@import url('https://fonts.googleapis.com/css2?family=Pixelify+Sans:wght@400..700&display=swap');

:root {
    /* --- Light Theme (16-bit style) --- */
    --bg-primary-light: #F0F0F0; /* Off-white for background */
    --bg-secondary-light: #FFFFFF; /* Pure white for cards/elements */
    --bg-gradient-light: linear-gradient(145deg, var(--bg-primary-light) 0%, #e8e8e8 100%);

    --text-primary-light: #0D0D0D; /* Very dark gray for primary text */
    --text-secondary-light: #444444; /* Dark gray for secondary text */
    --text-muted-light: #888888; /* Medium gray for muted text */

    --accent-primary-light: #7F5AF0; /* Vibrant Purple */
    --accent-primary-hover-light: #6A4BE0; /* Slightly darker purple */
    --accent-primary-text-light: #FFFFFF;

    --accent-secondary-light: #6C757D; /* Keep existing secondary for now or derive from palette */
    --accent-secondary-hover-light: #5A6268;
    --accent-secondary-text-light: #FFFFFF;

    --accent-tertiary-light: #D63384; /* Keep existing tertiary for now */
    --accent-tertiary-hover-light: #B02A6D;
    --accent-tertiary-text-light: #FFFFFF;

    --border-color-light: #D0D0D0; /* Light border color */
    --border-color-focus-light: var(--accent-primary-light);
    --shadow-color-light: #555555; /* Darker shadow for hard edges */
    --shadow-color-hover-light: #333333;
    --card-bg-light: #FFFFFF; /* Cards are pure white */
    --input-bg-light: #FFFFFF;
    --input-disabled-bg-light: #E0E0E0;

    --locked-color-light: #FFC107;
    --wcag-pass-color-light: #198754;
    --wcag-fail-color-light: #DC3545;

    /* --- Shared Variables (16-bit adjustments) --- */
    --font-family-base: 'Pixelify Sans', sans-serif; /* New pixel font */
    --border-radius-sm: 0px;
    --border-radius-md: 0px;
    --border-radius-lg: 0px;
    --border-radius-xl: 0px;
    --border-radius-pill: 0px; /* Still useful for some shapes */
    --border-radius-round: 50%; /* For circles like theme toggle */

    /* Sharp, pixel-like shadows */
    --shadow-sm: 4px 4px 0 var(--shadow-color); /* Aumentado para un 3D inicial más pronunciado */
    --shadow-md: 6px 6px 0 var(--shadow-color); /* Ajustado en proporción */
    --shadow-lg: 8px 8px 0 var(--shadow-color); /* Ajustado en proporción */

    --transition-speed-fast: 0s; /* Instant transitions for pixelated feel */
    --transition-speed-normal: 0s;
    --transition-speed-slow: 0s;
    --transition-bezier: linear; /* No bezier for pixel */
    --transition-bounce: linear;

    --gradient-overlay: linear-gradient(rgba(0,0,0,0.5), rgba(0,0,0,0.8)); /* Darker overlay for contrast on swatches */
}

/* --- Dark Theme (16-bit style) --- */
body.dark-theme {
    --bg-primary-dark: #0D0D0D; /* Very Dark Gray for primary background */
    --bg-secondary-dark: #16161A; /* Slightly Lighter Dark Gray for cards/elements */
    --bg-gradient-dark: linear-gradient(145deg, var(--bg-primary-dark) 0%, #08080A 100%);

    --text-primary-dark: #FFFFFF; /* Pure white for primary text */
    --text-secondary-dark: #B0B0B0; /* Light gray for secondary text */
    --text-muted-dark: #6C757D; /* Muted gray for muted text */

    --accent-primary-dark: #7F5AF0; /* Vibrant Purple */
    --accent-primary-hover-dark: #8E6BF2; /* Slightly lighter purple */
    --accent-primary-text-dark: #FFFFFF;

    --accent-secondary-dark: #ADBBCB; /* Adjusted for dark mode contrast, derived from old secondary */
    --accent-secondary-hover-dark: #C0CDDB;
    --accent-secondary-text-dark: #121212;

    --accent-tertiary-dark: #F06595;
    --accent-tertiary-hover-dark: #FAA2C1;
    --accent-tertiary-text-dark: #121212;

    --border-color-dark: rgba(127, 90, 240, 0.3); /* Purple-ish border in dark mode */
    --border-color-focus-dark: var(--accent-primary-dark);
    --shadow-color-dark: #000000; /* Black shadow for hard edges */
    --shadow-color-hover-dark: #000000;
    --card-bg-dark: #16161A; /* Cards are slightly lighter dark gray */
    --input-bg-dark: #222225; /* Darker input background */
    --input-disabled-bg-dark: #333336;

    --locked-color-dark: #FFCA2C;
    --wcag-pass-color-dark: #20C997;
    --wcag-fail-color-dark: #FF6B6B;
}

/* --- Apply Theme Variables --- */
body {
    --bg-gradient: var(--bg-gradient-light);
    --text-primary: var(--text-primary-light);
    --text-secondary: var(--text-secondary-light);
    --text-muted: var(--text-muted-light);
    --accent-primary: var(--accent-primary-light);
    --accent-primary-hover: var(--accent-primary-hover-light);
    --accent-primary-text: var(--accent-primary-text-light);
    --accent-secondary: var(--accent-secondary-light);
    --accent-secondary-hover: var(--accent-secondary-hover-light);
    --accent-secondary-text: var(--accent-secondary-text-light);
    --accent-tertiary: var(--accent-tertiary-light);
    --accent-tertiary-hover: var(--accent-tertiary-hover-light);
    --accent-tertiary-text: var(--accent-tertiary-text-light);
    --border-color: var(--border-color-light);
    --border-color-focus: var(--border-color-focus-light);
    --shadow-color: var(--shadow-color-light);
    --shadow-color-hover: var(--shadow-color-hover-light);
    --card-bg: var(--card-bg-light);
    --input-bg: var(--input-bg-light);
    --input-disabled-bg: var(--input-disabled-bg-light);
    --locked-color: var(--locked-color-light);
    --wcag-pass-color: var(--wcag-pass-color-light);
    --wcag-fail-color: var(--wcag-fail-color-light);
}

body.dark-theme {
    --bg-gradient: var(--bg-gradient-dark);
    --text-primary: var(--text-primary-dark);
    --text-secondary: var(--text-secondary-dark);
    --text-muted: var(--text-muted-dark);
    --accent-primary: var(--accent-primary-dark);
    --accent-primary-hover: var(--accent-primary-hover-dark);
    --accent-primary-text: var(--accent-primary-text-dark);
    --accent-secondary: var(--accent-secondary-dark);
    --accent-secondary-hover: var(--accent-secondary-hover-dark);
    --accent-secondary-text: var(--accent-secondary-text-dark);
    --accent-tertiary: var(--accent-tertiary-dark);
    --accent-tertiary-hover: var(--accent-tertiary-hover-dark);
    --accent-tertiary-text: var(--accent-tertiary-text-dark);
    --border-color: var(--border-color-dark);
    --border-color-focus: var(--border-color-focus-dark);
    --shadow-color: var(--shadow-color-dark);
    --shadow-color-hover: var(--shadow-color-hover-dark);
    --card-bg: var(--card-bg-dark);
    --input-bg: var(--input-bg-dark);
    --input-disabled-bg: var(--input-disabled-bg-dark);
    --locked-color: var(--locked-color-dark);
    --wcag-pass-color-dark: #20C997;
    --wcag-fail-color-dark: #FF6B6B;
}


/* --- Global Resets & Base Styles --- */
* {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

html {
    font-size: 16px;
    scroll-behavior: smooth;
    /* Disable anti-aliasing for true pixel look */
    -webkit-font-smoothing: unset;
    -moz-osx-font-smoothing: unset;
    image-rendering: optimizeSpeed; /* Older, but might help with pixelated images */
    image-rendering: -moz-crisp-edges; /* Firefox */
    image-rendering: -webkit-optimize-contrast; /* Webkit (non-standard property) */
    image-rendering: pixelated; /* Modern / Chrome, Safari */
    font-smooth: never; /* For older browsers / to force pixelation */
}

body {
    font-family: var(--font-family-base);
    background: var(--bg-gradient);
    color: var(--text-primary);
    line-height: 1.2; /* Tighter line height for pixel fonts */
    display: flex;
    flex-direction: column;
    align-items: center;
    min-height: 100vh;
    padding: 0 1rem clamp(1.5rem, 4vh, 3rem); /* Adjusted padding */
    padding-top: 80px; /* Add padding to body to avoid content being hidden by sticky header */
    /* Instant transition for pixel effect */
    transition: background 0s linear, color 0s linear;
}

.page-wrapper {
    width: 100%;
    max-width: 1400px;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: clamp(2rem, 5vh, 3.5rem);
}

img, svg {
    max-width: 100%;
    height: auto;
    vertical-align: middle;
    /* Apply pixel rendering to images and SVGs */
    image-rendering: pixelated;
}

/* Focus visible outline for keyboard navigation - Adjusted for pixel style */
*:focus-visible {
    outline: 2px solid var(--accent-primary); /* Thinner, sharp outline */
    outline-offset: 1px; /* Closer to element */
    border-radius: 0px; /* Sharp corners */
}
/* Remove default outline when focus-visible is supported */
*:focus:not(:focus-visible) {
    outline: none;
}

/* Visually Hidden Class */
.visually-hidden {
    position:absolute;
    width:1px;
    height:1px;
    padding:0;
    margin:-1px;
    overflow:hidden;
    clip:rect(0,0,0,0);
    white-space:nowrap;
    border:0
}


/* --- New Main Header --- */
.main-header {
    width: 100%;
    padding: 0 1rem;
    background-color: var(--card-bg);
    border-bottom: 2px solid var(--border-color);
    position: fixed; /* Changed to fixed */
    top: 0;
    left: 0; /* Added left: 0 */
    z-index: 999;
    box-shadow: 0 2px 4px rgba(0,0,0,0.1);
    transition: background-color 0s linear, border-color 0s linear;
}

.header-content {
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 60px;
    max-width: 1400px;
    margin: 0 auto;
}

.logo {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--accent-primary);
    text-decoration: none;
    letter-spacing: 0.1em;
    text-shadow: 1px 1px 0 var(--shadow-color);
}

.main-nav {
    display: flex;
    gap: 1.5rem;
}

.main-nav a {
    font-size: 0.9rem;
    font-weight: 600;
    color: var(--text-secondary);
    text-decoration: none;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    padding: 0.5rem;
    border-bottom: 2px solid transparent;
    transition: all 0s linear;
}

.main-nav a:hover, .main-nav a.active {
    color: var(--accent-primary);
    border-bottom-color: var(--accent-primary);
}

.header-actions {
    display: flex;
    align-items: center;
    gap: 1rem;
}

/* Re-styling the theme-toggle to fit in the header */
.theme-toggle {
    position: static;
    transform: none;
    padding: 0.5rem;
    box-shadow: none;
    border: none;
    color: var(--text-secondary);
    background: transparent;
    border-radius: 50%;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
}
.theme-toggle:hover {
    transform: none;
    box-shadow: none;
    background-color: var(--input-bg);
    color: var(--accent-primary);
}
.theme-toggle:active {
    transform: scale(0.95);
    box-shadow: none;
}
.theme-toggle svg {
    position: static; /* Changed from absolute */
}


/* Hamburger Menu */
.hamburger-menu {
    display: none; /* Hidden on desktop */
    flex-direction: column;
    justify-content: space-around;
    width: 24px;
    height: 24px;
    background: transparent;
    border: none;
    cursor: pointer;
    padding: 0;
    z-index: 1001; /* Higher than nav */
}

.hamburger-menu span {
    width: 24px;
    height: 3px;
    background: var(--text-primary);
    border-radius: 0px;
    transition: all 0.3s linear;
    position: relative;
    transform-origin: 1px;
}

/* Responsive (Mobile) Header */
@media (max-width: 768px) {
    .main-nav {
        display: none;
        flex-direction: column;
        justify-content: center;
        align-items: center;
        gap: 2rem;
        background-color: var(--card-bg);
        position: fixed;
        top: 0;
        left: 0;
        width: 100%;
        height: 100vh;
        z-index: 1000;
        transition: transform 0.3s ease-in-out;
        transform: translateX(-100%);
    }

    .main-nav.active {
        display: flex;
        transform: translateX(0);
    }

    .main-nav a {
        font-size: 1.5rem;
    }

    .hamburger-menu {
        display: flex;
    }

    /* Hamburger animation */
    .hamburger-menu.active span:nth-child(1) {
      transform: rotate(45deg);
    }
    .hamburger-menu.active span:nth-child(2) {
      opacity: 0;
      transform: translateX(20px);
    }
    .hamburger-menu.active span:nth-child(3) {
      transform: rotate(-45deg);
    }
}


/* --- General Container Styling (applied to individual panels) --- */
.container {
    background-color: var(--card-bg);
    padding: clamp(1.5rem, 4vw, 2.5rem) clamp(1.5rem, 5vw, 3rem);
    border-radius: 0px; /* Sharp corners */
    box-shadow: var(--shadow-md); /* Pixel shadow */
    width: 100%;
    backdrop-filter: none; /* No blur for 16-bit */
    border: 2px solid var(--border-color); /* Solid border */
    transition: background-color 0s linear, border-color 0s linear, box-shadow 0s linear;
}
.container:hover {
     box-shadow: var(--shadow-lg); /* Subtle lift on hover with pixel shadow */
     transform: translate(-2px, -2px); /* Shift for shadow effect */
}

/* This H2 style is for section titles that have the .container class applied,
   like the "Previsualizador de Combinaciones" section. */
.container h2 {
    text-align: center;
    color: var(--accent-primary);
    margin-bottom: clamp(1.5rem, 5vh, 2.5rem); /* Adjusted margin */
    font-weight: 600;
    font-size: clamp(1.5rem, 4vw, 1.8rem); /* Adjusted font size */
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem; /* Tighter gap */
    transition: color 0s linear; /* Instant transition */
    text-shadow: 1px 1px 0 var(--shadow-color); /* Hard shadow for text */
}
.container h2 .title-icon {
    margin-bottom: 0px; /* Fine-tune alignment */
    opacity: 1;
    image-rendering: pixelated; /* Ensure pixel rendering for icons */
}


/* --- Section 1: Palette Generator Controls --- */
.palette-generator-section {
    max-width: 1050px; /* Max width for the entire section */
    width: 100%; /* Ensure it takes full width of page-wrapper */
}

/* New wrapper for the side-by-side layout */
.palette-content-wrapper {
    display: flex;
    flex-wrap: wrap; /* Allows stacking on smaller screens */
    /* gap: clamp(1rem, 3vw, 2rem); Space between the two columns */
    width: 100%; /* Take full width of its parent (.palette-generator-section) */
    justify-content: center; /* Center content when wrapped */
    align-items: flex-start; /* Align items to the top */
}

/* Title for the palette generator section (now outside the panels) */
.container-title {
    text-align: center;
    color: var(--accent-primary);
    margin-bottom: clamp(1.5rem, 5vh, 2.5rem);
    font-weight: 600;
    font-size: clamp(1.5rem, 4vw, 1.8rem);
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    transition: color 0s linear;
    text-shadow: 1px 1px 0 var(--shadow-color);
    width: 100%; /* Ensure it takes full width */
}
.container-title .title-icon {
    margin-bottom: 0px;
    opacity: 1;
    image-rendering: pixelated;
}


/* Styles for the controls panel (now directly gets container styling) */
.controls {
    /* Removed inline-block, now display block or grid inside flex */
    display: grid; /* Use grid for internal layout of controls */
    grid-template-columns: repeat(auto-fit, minmax(min(100%, 240px), 1fr)); /* Adjusted for internal grid */
    gap: 1rem 1.5rem; /* Tighter gap for internal controls */
    margin-bottom: 0; /* Handled by parent gap */
    width: 100%; /* Default to full width on small screens */

    /* Inherit .container styles for visual panel appearance */
    background-color: var(--card-bg);
    padding: clamp(1.5rem, 4vw, 2.5rem) clamp(1.5rem, 5vw, 3rem);
    border-radius: 0px;
    box-shadow: var(--shadow-md);
    border: 2px solid var(--border-color);
    transition: background-color 0s linear, border-color 0s linear, box-shadow 0s linear;
}
body.dark-theme .controls {
     background-color: var(--card-bg); /* Use card-bg in dark theme as well for consistency */
}
.controls:hover { /* Re-add the hover effect directly */
    box-shadow: var(--shadow-lg);
    transform: translate(-2px, -2px);
}


/* Styles for the palette container (now directly gets container styling) */
/* Styles for the palette container (now directly gets container styling) */
#palette-container {
    display: grid;
    /* MODIFICACIÓN: Volver a 1fr para flexibilidad, pero el max-width lo controlará. */
    grid-template-columns: repeat(auto-fill, minmax(100px, 1fr));
    justify-content: center;
    /* MODIFICACIÓN: Reducir el espacio entre los colores para todas las pantallas */
    gap: 0.8rem; /* Puedes probar con 0.6rem o 0.5rem si aún lo ves muy separado */
    margin-top: 0;
    min-height: 180px;
    width: 100%;
    /* ... (resto de propiedades sin cambios en esta sección) ... */
    background-color: var(--card-bg);
    padding: clamp(1.5rem, 4vw, 2.5rem) clamp(1.5rem, 5vw, 3rem);
    border-radius: 0px;
    box-shadow: var(--shadow-md);
    border: 2px solid var(--border-color);
    transition: background-color 0s linear, border-color 0s linear, box-shadow 0s linear;
}

#palette-container:hover {
    box-shadow: var(--shadow-lg);
    transform: translate(-2px, -2px);
}

.control-group {
    display: flex;
    flex-direction: column;
    gap: 0.4rem; /* Tighter space between label and input */
}
.control-group label {
    font-weight: 600;
    font-size: 0.85rem; /* Adjusted font size */
    color: var(--text-secondary);
    transition: color 0s linear;
    padding-left: 0.2rem;
}

/* Input base style */
.control-group select,
.control-group input[type="range"],
.control-group input[type="text"],
.control-group input[type="number"] {
    width: 100%;
    padding: 0.6rem 0.8rem; /* Adjusted padding */
    border: 2px solid var(--border-color); /* Solid border */
    border-radius: 0px; /* Sharp corners */
    font-size: 0.9rem; /* Adjusted font size */
    font-family: inherit;
    background-color: var(--input-bg);
    color: var(--text-primary);
    /* Instant transitions */
    transition: border-color 0s linear, box-shadow 0s linear, background-color 0s linear, color 0s linear;
}
.control-group select:focus,
.control-group input:focus {
    outline: none;
}
/* Use focus-visible for keyboard users */
.control-group select:focus-visible,
.control-group input:focus-visible {
    border-color: var(--border-color-focus);
    box-shadow: 2px 2px 0 var(--border-color-focus); /* Pixelated focus shadow */
}

.control-group select {
     cursor: pointer;
     appearance: none;
     /* Custom arrow - requires update for pixel style or removal */
     background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 16 16' fill='%23444444'%3E%3Cpath fill-rule='evenodd' d='M4.22 6.03a.75.75 0 0 1 1.06 0L8 8.74l2.72-2.71a.75.75 0 1 1 1.06 1.06l-3.25 3.25a.75.75 0 0 1-1.06 0L4.22 7.09a.75.75 0 0 1 0-1.06z'/%3E%3C/svg%3E");
     background-repeat: no-repeat;
     background-position: right 0.6rem center; /* Adjusted position */
     background-size: 14px 14px; /* Smaller icon */
     padding-right: 2rem; /* Space for arrow */
     image-rendering: pixelated;
}
body.dark-theme .control-group select {
     background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 16 16' fill='%23B0B0B0'%3E%3Cpath fill-rule='evenodd' d='M4.22 6.03a.75.75 0 0 1 1.06 0L8 8.74l2.72-2.71a.75.75 0 1 1 1.06 1.06l-3.25 3.25a.75.75 0 0 1-1.06 0L4.22 7.09a.75.75 0 0 1 0-1.06z'/%3E%3C/svg%3E");
}


/* Input with button (Base Color) */
.input-with-button {
    display: flex;
    gap: 0.4rem;
}
.input-with-button input { flex-grow: 1; }
.apply-btn {
    padding: 0.5rem 0.7rem; /* Adjusted padding */
    border: 2px solid var(--border-color); /* Solid border */
    border-radius: 0px; /* Sharp corners */
    background-color: var(--input-bg);
    color: var(--text-secondary);
    cursor: pointer;
    transition: all 0s linear; /* Instant transition */
    flex-shrink: 0;
    box-shadow: 1px 1px 0 var(--shadow-color); /* Pixel shadow */
}
.apply-btn:hover {
    color: var(--accent-primary);
    border-color: var(--accent-primary);
    background-color: color-mix(in srgb, var(--accent-primary) 10%, var(--input-bg));
    box-shadow: 2px 2px 0 var(--shadow-color-hover);
    transform: translate(-1px, -1px);
}
.apply-btn svg { width: 14px; height: 14px; image-rendering: pixelated; }

/* Range Input Styling */
.control-group.range-group {
    flex-direction: row;
    align-items: center;
    gap: 0.8rem; /* Tighter gap */
}
.range-group input[type="range"] {
    cursor: pointer;
    accent-color: var(--accent-primary);
    flex-grow: 1;
    padding: 0;
    background: transparent;
    /* height: 4px; Thinner track */
    border-radius: 0px; /* Sharp corners */
    appearance: none;
    background-color: var(--border-color); /* Track background from border */
}
/* Thumb styling (basic cross-browser attempt) */
.range-group input[type="range"]::-webkit-slider-thumb {
    appearance: none;
    width: 14px; /* Smaller thumb */
    height: 14px;
    background: var(--accent-primary);
    border-radius: 0px; /* Square thumb */
    cursor: pointer;
    border: 2px solid var(--input-bg); /* Border matching background */
    margin-top: -5px; /* Center vertically relative to new track height */
    transition: transform 0s linear; /* Instant transition */
    box-shadow: 1px 1px 0 var(--shadow-color); /* Pixel shadow on thumb */
}
.range-group input[type="range"]::-moz-range-thumb {
    width: 14px;
    height: 14px;
    background: var(--accent-primary);
    border-radius: 0px;
    cursor: pointer;
    border: 2px solid var(--input-bg);
}
.range-group input[type="range"]:active::-webkit-slider-thumb {
    transform: scale(1.0) translate(0px, 0px); /* No scale, just a click effect if any */
    box-shadow: 0px 0px 0 var(--shadow-color); /* Shadow disappears on active */
}
.range-group input[type="range"]:active::-moz-range-thumb {
     transform: scale(1.0);
}

.range-value {
    font-size: 0.8rem; /* Adjusted font size */
    min-width: 40px;
    text-align: right;
    color: var(--accent-primary);
    font-weight: 600;
    background-color: color-mix(in srgb, var(--accent-primary) 15%, transparent); /* Slightly more opaque */
    padding: 0.2rem 0.5rem; /* Adjusted padding */
    border-radius: 0px; /* Sharp corners */
    transition: color 0s linear, background-color 0s linear;
    border: 1px solid var(--accent-primary); /* Small border */
}

/* Button Styling */
.button-group {
    display: flex;
    gap: 0.6rem; /* Tighter gap */
    flex-wrap: wrap;
    align-items: center;
}
/* Layout adjustments for button groups */
.button-group.main-actions { justify-content: flex-start; }
.button-group.export-actions { justify-content: flex-start; }
.button-group.storage-actions { justify-content: flex-start; }

/* Media query for larger screens */
@media (min-width: 900px) { /* Adjust this breakpoint as needed */
    .palette-content-wrapper {
        flex-direction: row; /* Arrange items in a row */
        flex-wrap: nowrap; /* Prevent wrapping on large screens */
        align-items: stretch; /* Make them stretch to equal height */
    }

    .controls {
        width: 40%; /* Adjust width for controls */
        flex-shrink: 0; /* Prevent it from shrinking too much */
        max-width: 350px; /* Set a max-width for the controls panel */
        /* If you want the controls to be a grid internally: */
        grid-template-columns: repeat(auto-fit, minmax(min(100%, 200px), 1fr)); /* Adjusted min-width for columns within controls */
        gap: 1rem; /* Adjust internal gap */
        margin-bottom: 0; /* No margin-bottom when side-by-side */
        padding: clamp(1rem, 2vw, 1.5rem); /* Adjust padding for side-by-side */
    }

    #palette-container {
        width: 60%; /* Keep its flexible width within the parent flex */
        flex-grow: 1;
        margin-top: 0;
        /* MODIFICACIÓN CLAVE: Limitar el ancho máximo del contenedor de la paleta */
        max-width: 700px; /* Puedes ajustar este valor (ej: 650px, 750px) para ver cuál se ajusta mejor */
    }

    /* Adjust button group layout within controls for desktop */
    .button-group.main-actions,
    .button-group.export-actions,
    .button-group.storage-actions {
        grid-column: span 1; /* Each button group takes one column */
        justify-content: flex-start; /* Align buttons to the start */
        gap: 0.5rem; /* Tighter gap for buttons */
    }
}


/* Media Query for smaller screens (769px and below) */
@media (max-width: 768px) {
    .button-group { justify-content: center; }
    .controls { grid-template-columns: 1fr; } /* Controls stack vertically on small screens */

    .palette-content-wrapper {
        flex-direction: column; /* Stack columns on smaller screens */
        align-items: center; /* Center stacked items */
        gap: 1.5rem; /* Gap between stacked panels */
    }
    .controls, #palette-container {
        width: 100%; /* Full width when stacked */
        margin-bottom: 0; /* Gap handled by parent */
    }
    .container { padding: 1.2rem; }
    .palette-container {
        grid-template-columns: repeat(auto-fit, minmax(80px, 80px)); /* Mantenemos ancho fijo para estas pantallas */
        justify-content: center;
        /* MODIFICACIÓN: Reducir el espacio para pantallas medianas */
        gap: 0.6rem; /* Ajustar si es necesario */
    }
    .device-preview.mobile { --device-width: 220px; --device-radius: 18px; --device-border: 7px;}
    .mobile-top-elements { height: 18px; }
    .contrast-info { top: 30px; padding: 3px 8px; font-size: 0.6rem;}
    .main-header { padding: 0 1rem; }
    .theme-toggle { right: 5px; }
}


.action-btn {
    padding: 0.6rem 1rem; /* Adjusted padding */
    border: none;
    border-radius: 0px; /* Sharp corners */
    cursor: pointer;
    font-size: 0.8rem; /* Adjusted font size */
    font-weight: 600;
    transition: all 0s linear; /* Instant transition */
    text-transform: uppercase;
    letter-spacing: 0.1em; /* Increased letter spacing */
    box-shadow: var(--shadow-sm); /* Pixel shadow. Ahora es 4px 4px 0 */
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.4rem; /* Tighter gap */
    line-height: 1; /* Tighter line height */
    border: 2px solid transparent; /* Placeholder for hover */
    position: relative; /* Add this for 3D effect */
    top: 0; /* Initial position for 3D effect */
    left: 0; /* Initial position for 3D effect */
}
.action-btn:disabled {
    opacity: 0.7; /* Less transparent */
    cursor: not-allowed;
    box-shadow: none;
    transform: none !important;
}
.action-btn:not(:disabled):hover {
    transform: translate(2px, 2px); /* Mueve el botón a la mitad de la profundidad (original 4px) */
    box-shadow: 2px 2px 0 var(--shadow-color); /* Sombra más pequeña para simular que se hunde */
    border-color: var(--accent-primary); /* Highlight border */
}
.action-btn:not(:disabled):active {
    transform: translate(4px, 4px) scale(0.98); /* Se hunde completamente, cubre la sombra original */
    box-shadow: 0 0 0 transparent; /* La sombra desaparece cuando se presiona */
}
.action-btn svg {
    width: 16px;
    height: 16px;
    margin-bottom: 0px;
    image-rendering: pixelated; /* Ensure pixel rendering for icons */
}

.primary-btn { background-color: var(--accent-primary); color: var(--accent-primary-text); }
.primary-btn:hover:not(:disabled) { background-color: var(--accent-primary-hover); }
.secondary-btn { background-color: var(--accent-secondary); color: var(--accent-secondary-text); }
.secondary-btn:hover:not(:disabled) { background-color: var(--accent-secondary-hover); }
.accent-btn { background-color: var(--accent-tertiary); color: var(--accent-tertiary-text); }
.accent-btn:hover:not(:disabled) { background-color: var(--accent-tertiary-hover); }


/* --- Section 1: Palette Display --- */
/* The .palette-container styles were moved up, but these remain for internal elements */
.color-swatch {
    aspect-ratio: 1 / 1; /* Square for a more blocky look */
    border-radius: 0px; /* Sharp corners */
    position: relative;
    overflow: hidden;
    cursor: pointer;
    transition: all 0s linear; /* Instant transition */
    display: flex;
    flex-direction: column;
    justify-content: flex-end;
    align-items: center;
    box-shadow: var(--shadow-sm); /* Pixel shadow */
    opacity: 0; /* Keep initial opacity for JS animation */
    transform: translateY(0px) scale(1); /* No initial transform, rely on JS for pixel effect */
    animation: none; /* Remove CSS animation, will be handled by JS for pixel effect */
    border: 2px solid transparent; /* For locked/hover effect */
}
/* No keyframes needed, JS will control `opacity` and `transform` */

.color-swatch:hover {
    transform: translate(-4px, -4px); /* Larger pixel shift on hover */
    box-shadow: var(--shadow-lg); /* Deeper pixel shadow */
    z-index: 10;
}
.color-swatch.locked {
     box-shadow: 0 0 0 2px var(--locked-color), var(--shadow-md); /* Locked border, smaller shadow */
     border-color: var(--locked-color); /* Explicit border color for locked */
}
.color-swatch.locked:hover {
    box-shadow: 0 0 0 2px var(--locked-color), var(--shadow-lg);
}

.color-info {
    background: var(--gradient-overlay);
    color: #ffffff;
    padding: 0.5rem 0.7rem; /* Adjusted padding */
    font-size: 0.75rem; /* Adjusted font size */
    text-align: center;
    width: 100%;
    font-weight: 400;
    user-select: none;
    opacity: 1; /* Always visible for pixel style */
    transform: translateY(0%); /* No slide-up effect */
    transition: none; /* Instant transition */
    backdrop-filter: none; /* No blur for 16-bit */
    display: flex;
    justify-content: space-between;
    align-items: center;
    text-shadow: 1px 1px 0 rgba(0,0,0,0.8); /* Stronger text shadow */
}
.color-swatch:hover .color-info {
    opacity: 1;
    transform: translateY(0);
}
.hex-code { font-weight: 600; letter-spacing: 0.05em;}
.lock-btn {
    background: none;
    border: none;
    color: rgba(255, 255, 255, 0.9); /* More opaque */
    cursor: pointer;
    padding: 2px 5px;
    line-height: 1;
    transition: color 0s linear, transform 0s linear; /* Instant transition */
    margin-left: 5px;
    image-rendering: pixelated;
}
.lock-btn:hover {
     color: #ffffff;
     transform: scale(1.0); /* No scale, just color change */
}
.lock-btn svg { width: 14px; height: 14px; vertical-align: middle; }
.color-swatch.locked .lock-btn { color: var(--locked-color); }


/* --- HSL Sliders Popup --- */
.hsl-sliders-popup {
    position: fixed;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%); /* No initial scale/transform */
    background-color: var(--card-bg);
    padding: 1.5rem 2rem 1.2rem; /* Adjusted padding */
    border-radius: 0px; /* Sharp corners */
    box-shadow: var(--shadow-lg); /* Pixel shadow */
    z-index: 1001;
    width: 90%;
    max-width: 350px; /* Slightly smaller */
    opacity: 0;
    visibility: hidden;
    transition: opacity 0s linear, visibility 0s linear; /* Instant transition */
    border: 2px solid var(--border-color); /* Solid border */
    backdrop-filter: none; /* No blur */
    overflow: hidden;
    border-top: 4px solid transparent; /* Thinner preview border */
}
.hsl-sliders-popup[hidden] {
    display: block;
    transition: opacity 0s linear, visibility 0s linear;
}
.hsl-sliders-popup:not([hidden]) {
    opacity: 1;
    visibility: visible;
    transform: translate(-50%, -50%);
}

.hsl-sliders-popup h4 {
    margin-bottom: 1.5rem; /* Adjusted margin */
    text-align: center;
    color: var(--accent-primary);
    font-size: 1.1rem; /* Adjusted font size */
    text-shadow: 1px 1px 0 var(--shadow-color);
}
.slider-wrap {
    display: grid;
    grid-template-columns: auto 1fr auto;
    align-items: center;
    margin-bottom: 0.8rem; /* Tighter margin */
    gap: 0.8rem; /* Tighter gap */
}
.slider-wrap label {
    font-weight: 600;
    font-size: 0.8rem; /* Adjusted font size */
    color: var(--text-secondary);
    justify-self: start;
}
.hsl-slider {
    width: 100%;
    height: 4px; /* Thinner track */
    cursor: pointer;
    accent-color: var(--accent-primary);
    background-color: var(--border-color);
    border-radius: 0px; /* Sharp corners */
    appearance: none;
    grid-column: 2 / 3;
}
.hsl-slider::-webkit-slider-thumb {
    appearance: none;
    width: 14px; height: 14px; background: var(--accent-primary);
    border-radius: 0px; /* Square thumb */
    cursor: pointer; border: 2px solid var(--input-bg);
    margin-top: -5px;
}
.hsl-slider::-moz-range-thumb {
    width: 14px; height: 14px; background: var(--accent-primary);
    border-radius: 0px;
    cursor: pointer; border: 2px solid var(--input-bg);
}

.slider-wrap .range-value {
     grid-column: 3 / 4;
     justify-self: end;
     min-width: 40px;
     font-size: 0.75rem; /* Adjusted font size */
     padding: 0.1rem 0.4rem; /* Adjusted padding */
     border-radius: 0px; /* Sharp corners */
     border: 1px solid var(--accent-primary);
}

.popup-color-preview {
    height: 25px; /* Thinner preview */
    border-radius: 0px; /* Sharp corners */
    margin-top: 1.2rem; /* Adjusted margin */
    border: 2px solid var(--border-color); /* Solid border */
    transition: background-color 0s linear;
}

.close-popup-btn {
    position: absolute;
    top: 8px; /* Closer to top */
    right: 10px; /* Closer to right */
    background: none;
    border: none;
    font-size: 1.3rem; /* Slightly smaller icon */
    color: var(--text-muted);
    cursor: pointer;
    padding: 5px;
    line-height: 1;
    border-radius: 0px; /* Square button */
    transition: color 0s linear, background-color 0s linear;
    box-shadow: 1px 1px 0 var(--shadow-color); /* Pixel shadow */
}
.close-popup-btn:hover {
     color: var(--text-primary);
     background-color: color-mix(in srgb, var(--border-color) 30%, transparent);
     box-shadow: 2px 2px 0 var(--shadow-color-hover);
}
.close-popup-btn svg { width: 20px; height: 20px; image-rendering: pixelated;}


/* --- Favorites Modal --- */
.modal {
    display: flex;
    justify-content: center;
    align-items: center;
    position: fixed;
    z-index: 1000;
    left: 0;
    top: 0;
    width: 100%;
    height: 100%;
    overflow: auto;
    background-color: rgba(0, 0, 0, 0.8); /* Darker, no blur */
    backdrop-filter: none;
    opacity: 0;
    visibility: hidden;
    transition: opacity 0s linear, visibility 0s linear;
}
.modal[hidden] {
    display: flex;
     transition: opacity 0s linear, visibility 0s linear;
}
.modal:not([hidden]) {
    opacity: 1;
    visibility: visible;
    transition: opacity 0s linear, visibility 0s linear;
}

.modal-content {
    background-color: var(--card-bg);
    margin: auto;
    padding: clamp(1.5rem, 4vw, 2.5rem);
    border: 2px solid var(--border-color); /* Solid border */
    border-radius: 0px; /* Sharp corners */
    width: 90%;
    max-width: 600px; /* Slightly smaller */
    position: relative;
    box-shadow: var(--shadow-lg); /* Pixel shadow */
    transform: scale(1); /* No initial scale */
    transition: transform 0s linear; /* Instant transition */
}
/* No modal transition needed */

.modal-content h2 {
    text-align: center;
    color: var(--accent-primary);
    margin-bottom: 1.5rem; /* Adjusted margin */
    font-size: 1.3rem; /* Adjusted font size */
    text-shadow: 1px 1px 0 var(--shadow-color);
}

.close-modal-btn {
    position: absolute;
    top: 8px;
    right: 10px;
    background: none; border: none;
    font-size: 1.3rem; color: var(--text-muted);
    cursor: pointer; padding: 5px; line-height: 1;
    border-radius: 0px; /* Square button */
    transition: color 0s linear, background-color 0s linear;
    box-shadow: 1px 1px 0 var(--shadow-color);
}
.close-modal-btn:hover {
    color: var(--text-primary);
    background-color: color-mix(in srgb, var(--border-color) 30%, transparent);
    box-shadow: 2px 2px 0 var(--shadow-color-hover);
}
.close-modal-btn svg { width: 20px; height: 20px; image-rendering: pixelated;}


#favorites-list {
    max-height: 45vh; /* Slightly less height */
    overflow-y: auto;
    margin-top: 0.8rem;
    padding-right: 5px;
}
/* Custom scrollbar for favorites list */
#favorites-list::-webkit-scrollbar { width: 6px; } /* Thinner scrollbar */
#favorites-list::-webkit-scrollbar-track { background: var(--bg-primary); border-radius: 0px;} /* Track from primary bg */
#favorites-list::-webkit-scrollbar-thumb { background: var(--text-muted); border-radius: 0px; }
#favorites-list::-webkit-scrollbar-thumb:hover { background: var(--text-secondary); }


.favorite-item {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 10px 12px; /* Adjusted padding */
    margin-bottom: 8px; /* Tighter margin */
    background-color: color-mix(in srgb, var(--border-color) 10%, transparent); /* Slightly less opaque */
    border-radius: 0px; /* Sharp corners */
    cursor: pointer;
    transition: background-color 0s linear, box-shadow 0s linear;
    border: 2px solid transparent;
    box-shadow: 1px 1px 0 var(--shadow-color); /* Pixel shadow */
}
.favorite-item:hover {
    background-color: color-mix(in srgb, var(--border-color) 20%, transparent);
    border-color: var(--accent-primary); /* Accent border on hover */
    box-shadow: 2px 2px 0 var(--shadow-color-hover);
    transform: translate(-1px, -1px);
}
.favorite-name {
    font-weight: 600;
    color: var(--text-primary);
    flex-grow: 1;
    margin-right: 0.8rem;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
    font-size: 0.9rem; /* Adjusted font size */
}
.favorite-swatches {
    display: flex;
    gap: 4px; /* Tighter gap */
    flex-shrink: 0;
}
.fav-swatch {
    width: 20px; /* Slightly smaller */
    height: 20px;
    border-radius: 0px; /* Sharp corners */
    border: 1px solid rgba(0,0,0,0.2); /* Harder inner border */
    box-shadow: inset 0 0 0px rgba(0,0,0,0.0); /* No inner shadow */
}
body.dark-theme .fav-swatch {
     border: 1px solid rgba(255,255,255,0.2);
     box-shadow: inset 0 0 0px rgba(255,255,255,0.0);
}

.delete-fav-btn {
    background: none;
    border: none;
    color: var(--text-muted);
    cursor: pointer;
    font-size: 1rem; /* Slightly smaller icon */
    margin-left: 0.8rem;
    padding: 6px; /* Smaller touch target */
    border-radius: 0px; /* Square button */
    transition: color 0s linear, background-color 0s linear;
    flex-shrink: 0;
    box-shadow: 1px 1px 0 var(--shadow-color);
}
.delete-fav-btn:hover {
    color: var(--wcag-fail-color);
    background-color: color-mix(in srgb, var(--wcag-fail-color) 10%, transparent);
    box-shadow: 2px 2px 0 var(--shadow-color-hover);
}
.delete-fav-btn svg { width: 16px; height: 16px; image-rendering: pixelated;}

.copy-palette-btn {
    background: none;
    border: none;
    cursor: pointer;
    color: var(--text-color);
    opacity: 0.7;
    transition: opacity 0s linear;
    padding: 5px;
    margin-right: 5px;
    image-rendering: pixelated;
}

.copy-palette-btn:hover {
    opacity: 1;
}

.favorite-palette {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 10px;
    border-radius: 0px;
    margin-bottom: 10px;
    background-color: var(--bg-secondary);
    cursor: pointer;
    transition: background-color 0s linear;
}

.favorite-palette:hover {
    background-color: var(--bg-hover);
}

.modal-tip {
    text-align: center;
    margin-top: 1.2rem;
    font-size: 0.85rem;
    color: var(--text-secondary);
    font-style: normal; /* No italics for pixel style */
}
.modal-tip svg { width: 12px; height: 12px; vertical-align: baseline; margin: 0 2px; image-rendering: pixelated;}


/* --- Section 2: Preview Section --- */
.preview-section {
    max-width: 1050px;
}

.preview-controls {
    display: flex;
    justify-content: center;
    gap: 0.8rem; /* Tighter gap */
    margin-bottom: 2rem;
    flex-wrap: wrap;
    align-items: center;
}
.gradient-controls {
    display: flex;
    gap: 0.6rem; /* Tighter gap */
    align-items: center;
    border: 2px solid var(--border-color); /* Solid border */
    padding: 0.4rem 0.8rem; /* Adjusted padding */
    border-radius: 0px; /* Sharp corners */
    box-shadow: 1px 1px 0 var(--shadow-color);
}
.gradient-controls select {
    padding: 0.5rem 0.7rem;
    width: auto;
    flex-shrink: 0;
    border: none;
    background-color: transparent;
    font-size: 0.85rem;
}

.preview-area {
    display: flex;
    justify-content: center;
    align-items: flex-start;
    gap: clamp(1.5rem, 6vw, 3rem); /* Tighter gap */
    flex-wrap: wrap;
}

.device-wrapper {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 0.8rem; /* Tighter gap */
}

.device-label {
    font-size: 0.85rem; /* Adjusted font size */
    color: var(--text-secondary);
    font-weight: 600;
    text-align: center;
}

/* Mobile Device Mockup */
.device-preview.mobile {
    --device-width: clamp(200px, 30vw, 260px); /* Slightly smaller width */
    --device-height: calc(var(--device-width) * 2.05);
    --device-border: 8px; /* Thinner border */
    --device-radius: 20px; /* Less rounded for pixel effect */

    width: var(--device-width);
    height: var(--device-height);
    border-radius: var(--device-radius);
    border: var(--device-border) solid #1c1c1c;
    box-shadow: var(--shadow-lg), inset 0 0 0 2px #333; /* Pixel shadows */
    background-color: #e0e0e0;
    position: relative;
    overflow: hidden;
    cursor: pointer;
    transition: background 0s linear, border-color 0s linear, transform 0s linear, box-shadow 0s linear; /* Instant transitions */
    display: flex;
    flex-direction: column;
    justify-content: flex-start; /* Align content to top for pixel UI */
}
.device-preview.mobile:hover {
      transform: translate(-6px, -6px); /* Deeper pixel shift on hover */
      box-shadow: 0 15px 30px var(--shadow-color-hover), inset 0 0 0 2px #444;
}

.mobile-top-elements {
    position: absolute;
    left: 50%;
    transform: translateX(-50%);
    width: 50%;
    height: 20px; /* Thinner notch */
    background-color: #1c1c1c;
    border-radius: 0 0 10px 10px; /* Less rounded bottom */
    display: flex;
    justify-content: center;
    align-items: center;
    z-index: 12;
    box-shadow: 0 1px 2px rgba(0,0,0,0.5); /* Harder shadow */
}
.speaker {
    width: 30px; /* Smaller speaker */
    height: 4px;
    background-color: #444;
    border-radius: 0px; /* Square speaker */
}

.mobile-content {
    flex-grow: 1;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    padding: 30px 15px 15px; /* Adjusted padding */
    text-align: center;
    transition: opacity 0s linear;
    position: relative;
    z-index: 10;
    color: #ffffff;
    overflow: hidden;
}
/* Hide text content when gradient is active */
.device-preview.has-gradient .editable-content-wrapper {
    opacity: 0;
    pointer-events: none;
}
/* Style gradient text differently */
.device-preview.has-gradient .mobile-content {
    justify-content: flex-end;
    padding-bottom: 40px; /* Adjusted padding */
}
.device-preview.has-gradient .color-name {
    font-size: 0.9rem; /* Smaller font for gradient text */
    font-weight: 600;
    color: rgba(255, 255, 255, 0.9); /* Whiteish text for gradient title */
    text-shadow: 1px 1px 0 rgba(0,0,0,0.7); /* Stronger text shadow */
    margin-bottom: 5px;
    letter-spacing: 0.05em;
}
.device-preview.has-gradient .hex-badge { display: none; }
.device-preview.has-gradient .contrast-info { display: none; }


.contrast-info {
    position: absolute;
    top: 35px; /* Closer to top */
    left: 50%;
    transform: translateX(-50%);
    background-color: rgba(0, 0, 0, 0.75); /* Darker background */
    color: #fff;
    padding: 4px 10px; /* Adjusted padding */
    border-radius: 0px; /* Sharp corners */
    font-size: 0.7rem; /* Smaller font */
    display: flex;
    gap: 8px; /* Tighter gap */
    align-items: center;
    white-space: nowrap;
    z-index: 11;
    backdrop-filter: none;
    opacity: 1; /* Always visible for pixel style */
    transition: opacity 0s linear, transform 0s linear;
    transform-origin: top center;
    transform: translateX(-50%) scale(1);
}
.device-preview:hover .contrast-info {
    opacity: 1;
    transform: translateX(-50%) scale(1);
}
.wcag-level { font-weight: bold; padding: 1px 4px; border-radius: 0px; margin-left: 2px; border: 1px solid currentColor;} /* Hard border */
.wcag-level.pass-aaa { color: #fff; background-color: var(--wcag-pass-color); }
.wcag-level.pass-aa { color: #fff; background-color: color-mix(in srgb, var(--wcag-pass-color) 80%, black); }
.wcag-level.fail { color: #fff; background-color: var(--wcag-fail-color); }


/* Editable content styling */
.editable-content-wrapper {
     width: 100%;
     padding: 0 8px;
}
[contenteditable="true"] {
    cursor: text;
    outline: none;
    transition: box-shadow 0s linear;
    display: inline-block;
    width: auto;
    max-width: 100%;
}
[contenteditable="true"]:focus {
     box-shadow: 0 0 0 1px var(--accent-primary); /* Thinner focus border */
     border-radius: 0px;
     background-color: rgba(0,0,0,0.2); /* Slightly darker bg on focus */
}
body.dark-theme [contenteditable="true"]:focus {
     background-color: rgba(255,255,255,0.2);
}


.color-name {
    font-size: clamp(1rem, 4vw, 1.2rem); /* Adjusted font size */
    font-weight: 700;
    margin-bottom: 0.6rem;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    color: inherit;
    transition: color 0s linear;
    padding: 5px;
    word-break: break-word;
    text-shadow: 1px 1px 0 rgba(0,0,0,0.8);
}

.hex-badge {
    font-size: clamp(0.7rem, 2.5vw, 0.8rem); /* Adjusted font size */
    padding: 0.4rem 0.8rem; /* Adjusted padding */
    border-radius: 0px; /* Sharp corners */
    font-weight: 600;
    transition: background-color 0s linear, color 0s linear;
    display: inline-block;
    border: 1px solid color-mix(in srgb, currentColor 30%, transparent); /* Stronger border */
    box-shadow: 1px 1px 0 rgba(0,0,0,0.5); /* Small pixel shadow */
}

.mobile-bottom-bar {
    height: 3px; /* Thinner bar */
    width: 80px; /* Shorter bar */
    background-color: rgba(255, 255, 255, 0.7);
    border-radius: 0px; /* Sharp corners */
    position: absolute;
    bottom: calc(var(--device-border) * 1.2);
    left: 50%;
    transform: translateX(-50%);
    z-index: 12;
    opacity: 0.8;
    transition: background-color 0s linear;
}
/* Adjust bottom bar color based on background brightness (simple JS will handle this better) */
.device-preview.dark-bg .mobile-bottom-bar {
     background-color: rgba(0, 0, 0, 0.5);
}


.color-codes {
    font-size: 0.75rem; /* Adjusted font size */
    color: var(--text-secondary);
    margin-top: 0.6rem;
    text-align: center;
    font-family: var(--font-family-base); /* Apply pixel font */
    opacity: 0.9;
    letter-spacing: 0.05em;
}

.preview-tip {
    text-align: center;
    margin-top: 1.5rem;
    font-size: 0.85rem;
    color: var(--text-secondary);
    font-style: normal; /* No italics */
}


/* --- Footer --- */
.main-footer-credits {
    margin-top: 1.5rem; /* Adjusted margin */
    text-align: center;
    font-size: 0.8rem; /* Adjusted font size */
    color: var(--text-secondary);
}
.main-footer-credits a {
    color: var(--accent-primary);
    text-decoration: none;
    font-weight: 600;
    transition: color 0s linear;
}
.main-footer-credits a:hover {
    color: var(--accent-primary-hover);
    text-decoration: underline;
}


/* --- Notification --- */
.notification {
    position: fixed;
    bottom: 20px; /* Closer to bottom */
    left: 50%;
    transform: translate(-50%, 0px); /* No initial transform */
    background-color: var(--accent-primary);
    color: var(--accent-primary-text);
    padding: 0.8rem 1.5rem; /* Adjusted padding */
    border-radius: 0px; /* Sharp corners */
    box-shadow: var(--shadow-md); /* Pixel shadow */
    z-index: 1005;
    opacity: 0;
    visibility: hidden;
    font-weight: 600;
    font-size: 0.85rem; /* Adjusted font size */
    transition: opacity 0s linear, visibility 0s linear, transform 0s linear; /* Instant transition */
    border: 2px solid currentColor; /* Border matching background color */
}
.notification[role="alert"] {
    background-color: var(--wcag-fail-color);
    color: #ffffff;
    border-color: var(--wcag-fail-color);
}
.notification:not([hidden]) {
    opacity: 1;
    visibility: visible;
    transform: translate(-50%, 0);
}

/* ... dentro de los estilos de .color-info ... */
.color-info {
    /* ... otros estilos ... */
    display: flex;
    justify-content: space-between;
    align-items: center;
}

/* **NUEVO**: Contenedor para los botones de la muestra */
.swatch-actions {
    display: flex;
    align-items: center;
    gap: 4px; /* Espacio entre el botón de copiar y el de bloquear */
}

/* **NUEVO**: Estilo base para los botones de acción de la muestra */
.swatch-action-btn {
    background: none;
    border: none;
    color: rgba(255, 255, 255, 0.9);
    cursor: pointer;
    padding: 3px;
    line-height: 1;
    transition: color 0s linear, transform 0s linear;
}

.swatch-action-btn:hover {
     color: #ffffff;
}

.color-info {
    /* Estilos existentes... */
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-direction: column; /* Apila el texto HEX y los iconos */
    padding: 4px; /* Añade un poco de espacio interno */
    gap: 3px; /* Espacio entre el texto y los botones */
}

.hex-code {
    /* --- CAMBIO DE FUENTE PARA LEGIBILIDAD --- */
    font-family: "Roboto Mono", monospace;
    font-size: 15px; /* Aumentamos el tamaño */
    color: #ffffff; /* Aseguramos que sea blanco puro */
    letter-spacing: 0.05em;
    padding: 2px 0; /* Añadimos un poco de espacio vertical */
    text-shadow: 1px 1px 2px rgba(0, 0, 0, 0.7); /* Sombra para que resalte más */
}

.swatch-actions {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 6px; /* Aumenta el espacio entre los botones */
    width: 100%; /* Ocupa todo el ancho para centrar los iconos */
}

.swatch-action-btn {
    /* Estilos existentes... */
    padding: 2px; /* Ajusta el padding si es necesario */
}

.swatch-action-btn svg {
    width: 1em;  /* Usa unidades 'em' para que el tamaño sea relativo al texto */
    height: 1em;
    font-size: 16px; /* Tamaño base del icono, puedes ajustarlo */
    vertical-align: middle;
    min-width: 12px; /* Asegura un tamaño mínimo visible */
    min-height: 12px;
}
/* El estilo del botón de bloqueo ahora usa la clase base */
.lock-btn {
    /* Ya no necesita los estilos que ahora están en .swatch-action-btn */
}

.color-swatch.locked .lock-btn {
    color: var(--locked-color);
}

/* --- Estilos para el Modal de Opciones de Copiado --- */
.copy-options-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr); /* 2 columnas */
    gap: 1rem;
    margin-top: 1.5rem;
    margin-bottom: 1rem;
}

.copy-options-grid .action-btn {
    width: 100%;
    padding-top: 1rem;
    padding-bottom: 1rem;
    font-size: 0.9rem;
    justify-content: center; /* Centra el texto e icono del botón */
}

/* Para pantallas pequeñas, los botones se apilan */
@media (max-width: 480px) {
    .copy-options-grid {
        grid-template-columns: 1fr;
        gap: 0.75rem;
    }
}

/* --- Media Queries (Refined for 16-bit) --- */

@media (max-width: 992px) {
    .page-wrapper { gap: 2rem; }
    .container { padding: 1.8rem; }
    .preview-area { gap: 2rem; }
    .device-preview.mobile { --device-width: 240px; }
}


@media (max-width: 480px) {
     body { padding: 1rem 0.5rem; }
     .page-wrapper { gap: 1.5rem; }
     /* .container styles already handled by .controls and #palette-container */
     .container-title { font-size: 1.2rem; margin-bottom: 1.5rem; }
     .action-btn { padding: 0.5rem 0.8rem; font-size: 0.7rem; gap: 0.3rem;}
     .action-btn svg { width: 12px; height: 12px; }
     .palette-container {
        grid-template-columns: repeat(auto-fit, minmax(65px, 65px)); /* Mantenemos ancho fijo para estas pantallas */
        justify-content: center;
        /* MODIFICACIÓN: Reducir el espacio para pantallas pequeñas */
        gap: 0.5rem; /* Ajustar si es necesario */
        padding: 0.8rem;
    }
     .color-info { font-size: 0.65rem; padding: 0.4rem 0.5rem; }
     .hex-code { font-size: 0.7rem;}
     .lock-btn svg { width: 10px; height: 10px;}
     .preview-controls { gap: 0.6rem; margin-bottom: 1.5rem;}
     .gradient-controls { flex-direction: column; align-items: stretch; width: 100%; border: none; padding: 0;}
     .gradient-controls select, .gradient-controls button { width: 100%; }
     .device-preview.mobile { --device-width: 180px; --device-radius: 15px; --device-border: 6px;}
     .mobile-top-elements { height: 16px; }
     .speaker { width: 25px; height: 3px;}
     .contrast-info { top: 25px; padding: 2px 6px; font-size: 0.55rem; gap: 4px;}
     .color-name { font-size: 0.9rem; margin-bottom: 0.5rem;}
     .hex-badge { font-size: 0.65rem; padding: 0.3rem 0.7rem;}
     .mobile-bottom-bar { height: 2px; width: 60px; bottom: 10px;}
     .hsl-sliders-popup { width: 95%; padding: 1.2rem 1.2rem 0.8rem;}
     .modal-content { padding: 15px; width: 95%; }
     .favorite-item { padding: 8px; margin-bottom: 6px; flex-wrap: wrap;}
     .favorite-name { margin-bottom: 6px; width: 100%;}
     .favorite-swatches { margin-bottom: 6px; }
     .fav-swatch { width: 16px; height: 16px; }
     .delete-fav-btn { position: static; margin-left: auto; margin-right: 0; }
     .notification { width: 90%; padding: 0.6rem 1rem; font-size: 0.75rem;}
     .main-footer-credits { font-size: 0.7rem; }
}

/* --- Explore Palettes Section --- */
.explore-palettes-section {
    max-width: 1050px;
}

.explore-subsection {
    margin-bottom: 2.5rem;
}

.explore-subtitle {
    font-size: 1.3rem;
    font-weight: 600;
    color: var(--text-secondary);
    margin-bottom: 1.5rem;
    padding-bottom: 0.5rem;
    border-bottom: 2px solid var(--border-color);
    text-shadow: 1px 1px 0 var(--shadow-color);
}

.explore-palettes-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 1.5rem;
}

.explore-palette-item {
    background-color: var(--input-bg);
    border-radius: 0px;
    border: 2px solid var(--border-color);
    box-shadow: var(--shadow-sm);
    padding: 1rem;
    transition: all 0s linear;
    cursor: pointer;
}

.explore-palette-item:hover {
    transform: translate(-4px, -4px);
    box-shadow: var(--shadow-lg);
    border-color: var(--accent-primary);
}

.explore-palette-name {
    font-weight: 600;
    font-size: 0.9rem;
    color: var(--text-primary);
    margin-bottom: 0.75rem;
    text-align: center;
}

.explore-palette-swatches {
    display: flex;
    height: 60px;
    border-radius: 0px;
    overflow: hidden;
    border: 1px solid var(--border-color);
}

.explore-swatch {
    flex-grow: 1;
    flex-basis: 0;
    transition: all 0s linear;
}

.explore-palette-item:hover .explore-swatch {
    transform: scale(1.05);
}

/* --- Explore Palettes Hover Effects --- */
.explore-palette-item {
    position: relative; /* Needed for the absolute overlay */
}

.explore-palette-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0, 0, 0, 0.6); /* Darkening effect */
    border-radius: 0px;
    display: flex;
    justify-content: center;
    align-items: center;
    opacity: 0;
    visibility: hidden;
    transition: all 0s linear;
    z-index: 1;
    padding: 1rem;
}

.explore-palette-item:hover .explore-palette-overlay {
    opacity: 1;
    visibility: visible;
}

.explore-palette-actions {
    display: flex;
    gap: 0.75rem;
}

/* Make buttons in overlay a bit smaller */
.explore-palette-actions .action-btn {
    padding: 0.5rem;
}

.explore-palette-actions .action-btn svg {
    margin: 0; /* Remove any margin if present */
}

/* Ensure original content is below the overlay */
.explore-palette-name, .explore-palette-swatches {
    position: relative;
    z-index: 0;
}