/* ============================================
   mKavs - COLOR PALETTE STUDIO
   Premium Design System v2.0
   ============================================ */

/* ===== VARIABLES ===== */
:root {
    /* Brand Colors */
    --accent-yellow: #C6FF00;
    --accent-glow: rgba(198, 255, 0, 0.5);

    /* Backgrounds */
    --bg-dark: #333333;
    --bg-gradient-start: #333333;
    --bg-gradient-end: #222222;

    /* Surface (Glassmorphism) */
    --surface-glass: rgba(255, 255, 255, 0.1);
    --surface-glass-hover: rgba(255, 255, 255, 0.15);
    --surface-border: rgba(255, 255, 255, 0.2);
    --surface-border-hover: #C6FF00;

    /* Text */
    --text-main: #FFFFFF;
    --text-muted: #E0E0E0;
    --text-dark: #0012FF;

    /* Typography */
    --font-display: 'Outfit', sans-serif;
    --font-body: 'Outfit', sans-serif;

    /* Spacing */
    --container-width: 1440px;
}

/* ===== RESET & BASE ===== */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: var(--font-body);
    background: linear-gradient(135deg, var(--bg-gradient-start) 0%, var(--bg-gradient-end) 100%);
    background-attachment: fixed;
    color: var(--text-main);
    line-height: 1.6;
    -webkit-font-smoothing: antialiased;
    min-height: 100vh;
    overflow-x: hidden;
}

/* ===== UTILITIES ===== */
.glass {
    background: var(--surface-glass);
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
    border: 1px solid var(--surface-border);
}

/* ===== CONTAINER ===== */
.container {
    max-width: var(--container-width);
    margin: 0 auto;
    padding: 6rem 2rem 4rem;
    position: relative;
    z-index: 1;
}

/* ===== PROFILE LINK ===== */
.profile-link {
    position: absolute;
    top: 2rem;
    right: 2.5rem;
    z-index: 100;
    font-size: 2rem;
    color: var(--text-main);
    text-decoration: none;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    opacity: 0.8;
}

.profile-link:hover {
    color: var(--accent-yellow);
    transform: scale(1.1);
    opacity: 1;
    filter: drop-shadow(0 0 10px var(--accent-glow));
}

@media (max-width: 768px) {
    .profile-link {
        top: 1.5rem;
        right: 1.5rem;
        font-size: 1.8rem;
    }
}

/* ===== HEADER (Updated to match Typography Page) ===== */
.header {
    text-align: center;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-direction: column;
    min-height: calc(50vh - 8rem);
    margin-bottom: 4rem;
    animation: fadeInDown 0.8s ease;
}

@media (max-width:768px) {
    .header {
        min-height: calc(40vh - 6rem);
    }
}

@keyframes fadeInDown {
    from {
        opacity: 0;
        transform: translateY(-30px);
    }

    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.header h1 {
    font-family: var(--font-display);
    font-size: 4.5rem;
    font-weight: 900;
    margin-bottom: 0.5rem;
    letter-spacing: -2px;
    text-transform: uppercase;
    color: var(--text-main);
}

.header h1 span {
    color: var(--accent-yellow);
}

.header p {
    font-size: 1.25rem;
    color: rgba(255, 255, 255, 0.8);
    font-weight: 300;
    letter-spacing: 0.5px;
    margin-top: 1rem;
    max-width: 600px;
}


/* ===== FILTER SECTION (Updated to match Typography Page) ===== */
.filter-section {
    background: transparent;
    padding: 0;
    margin-bottom: 3rem;
    animation: fadeIn 1s ease;
}

@keyframes fadeIn {
    from {
        opacity: 0;
    }

    to {
        opacity: 1;
    }
}

.filter-buttons {
    display: flex;
    flex-wrap: wrap;
    gap: 1rem;
    justify-content: center;
}

.filter-btn,
.tab {
    /* Keep .tab for JS compat if needed, but HTML now uses filter-btn */
    padding: 0.8rem 1.5rem;
    border: 1px solid rgba(255, 255, 255, 0.2);
    border-radius: 999px;
    background: rgba(255, 255, 255, 0.1);
    backdrop-filter: blur(10px);
    color: #ffffff;
    cursor: pointer;
    font-size: 1rem;
    font-weight: 600;
    font-family: 'Outfit', sans-serif;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

.filter-btn:hover {
    border-color: #C6FF00;
    color: #C6FF00;
    transform: translateY(-2px);
}

.filter-btn.active,
.tab.active {
    background: #C6FF00;
    color: #0012FF;
    border-color: #C6FF00;
    box-shadow: 0 0 30px rgba(198, 255, 0, 0.4);
}

.sort-select {
    background: rgba(0, 0, 0, 0.4);
    border: 1px solid var(--surface-border);
    color: var(--text-main);
    padding: 0.6rem 2.5rem 0.6rem 1.5rem;
    border-radius: 50px;
    font-family: var(--font-body);
    font-weight: 500;
    cursor: pointer;
    outline: none;
    min-width: 160px;
    font-size: 0.9rem;
    transition: all 0.3s ease;
    appearance: none;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='24' height='24' viewBox='0 0 24 24' fill='none' stroke='%238F8FAF' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpolyline points='6 9 12 15 18 9'%3E%3C/polyline%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right 1rem center;
    background-size: 1rem;
}

.sort-select:hover,
.sort-select:focus {
    border-color: var(--accent-yellow);
    box-shadow: 0 0 10px rgba(204, 255, 0, 0.1);
}

/* ===== PALETTE GRID ===== */
.palette-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
    gap: 2.5rem;
    margin-bottom: 4rem;
    width: 100%;
}

.palette-card {
    border-radius: 16px;
    transition: all 0.4s cubic-bezier(0.175, 0.885, 0.32, 1.275);
    position: relative;
    z-index: 1;
    overflow: visible;
    background: var(--surface-glass);
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
    border: 1px solid var(--surface-border);
}

.palette-card:hover {
    transform: translateY(-8px);
    border-color: var(--surface-border-hover);
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.4), 0 0 0 1px var(--surface-border-hover);
}

.color-strips {
    height: 180px;
    display: flex;
    width: 100%;
    position: relative;
    border-radius: 16px 16px 0 0;
    overflow: hidden;
}

.palette-card:hover .color-strips {
    overflow: visible;
}

.color-strip {
    flex: 1;
    height: 100%;
    position: relative;
    cursor: pointer;
    transition: transform 0.3s ease;
    will-change: transform;
}

.color-strip:first-child {
    border-top-left-radius: 16px;
}

.color-strip:last-child {
    border-top-right-radius: 16px;
}

.hex-code {
    position: absolute;
    bottom: 20px;
    left: 50%;
    transform: translateX(-50%) translateY(10px);
    font-size: 0.8rem;
    font-weight: 700;
    color: var(--accent-yellow);
    opacity: 0;
    transition: all 0.3s ease;
    pointer-events: none;
    background: rgba(0, 0, 0, 0.9);
    padding: 6px 12px;
    border-radius: 6px;
    font-family: 'Courier New', monospace;
    border: 1px solid var(--accent-yellow);
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.5);
}

.card-footer {
    padding: 1.5rem;
    border-radius: 0 0 16px 16px;
    border-top: 1px solid var(--surface-border);
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.palette-info {
    display: flex;
    flex-direction: column;
    gap: 0.25rem;
}

.palette-name {
    font-family: var(--font-display);
    font-weight: 600;
    font-size: 1.1rem;
    color: var(--accent-yellow);
    /* Green color names */
    letter-spacing: 0.5px;
    text-transform: uppercase;
}

.palette-type {
    font-size: 0.75rem;
    color: var(--text-muted);
    text-transform: uppercase;
    letter-spacing: 1px;
    font-weight: 600;
    opacity: 0.8;
}

/* Like Button (Heart) */
.like-btn {
    background: transparent;
    border: none;
    padding: 0;
    cursor: pointer;
    color: rgba(255, 255, 255, 0.4);
    transition: all 0.3s ease;
    display: flex;
    align-items: center;
    justify-content: center;
}

.like-btn:hover {
    color: var(--accent-yellow);
    transform: scale(1.2);
}

.like-btn.active {
    color: var(--accent-yellow);
}

.like-btn svg {
    /* Ensure no square border logic is applied if it was svg based */
    fill: none;
}

.like-btn.active svg {
    fill: currentColor;
}


/* ===== TOAST ===== */
.toast {
    position: fixed;
    bottom: 3rem;
    left: 50%;
    transform: translateX(-50%) translateY(100px);
    background: var(--accent-yellow);
    color: var(--text-dark);
    padding: 1rem 2.5rem;
    border-radius: 50px;
    font-weight: 700;
    font-size: 0.9rem;
    letter-spacing: 0.5px;
    z-index: 2000;
    transition: all 0.4s cubic-bezier(0.175, 0.885, 0.32, 1.275);
    box-shadow: 0 10px 30px var(--accent-glow);
    opacity: 0;
    text-transform: uppercase;
}

.toast.show {
    transform: translateX(-50%) translateY(0);
    opacity: 1;
}

/* ===== LOADER ===== */
.loader {
    width: 50px;
    height: 50px;
    border: 3px solid var(--surface-border);
    border-radius: 50%;
    border-top-color: var(--accent-yellow);
    margin: 4rem auto;
    animation: spin 1s linear infinite;
    display: none;
    box-shadow: 0 0 20px rgba(0, 0, 0, 0.2);
}

@keyframes spin {
    to {
        transform: rotate(360deg);
    }
}

/* ===== FOOTER ===== */
.site-footer {
    border-top: 1px solid var(--surface-border);
    padding: 5rem 0 3rem;
    margin-top: 8rem;
    background: var(--surface-glass);
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
    border: 1px solid var(--surface-border);
}

.footer-content {
    max-width: var(--container-width);
    margin: 0 auto;
    padding: 0 2rem;
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 4rem;
}

.footer-logo {
    font-family: var(--font-display);
    font-size: 2rem;
    font-weight: 700;
    color: var(--text-main);
    margin-bottom: 1rem;
    letter-spacing: 1px;
}

.footer-logo span {
    color: var(--accent-yellow);
}

.footer-tagline {
    color: var(--text-muted);
    font-size: 0.9rem;
    line-height: 1.6;
}

.stat-number {
    font-family: var(--font-display);
    font-size: 2.5rem;
    font-weight: 700;
    color: var(--accent-yellow);
    line-height: 1;
    text-shadow: 0 0 20px rgba(204, 255, 0, 0.2);
}

.stat-label {
    font-size: 0.8rem;
    color: var(--text-muted);
    text-transform: uppercase;
    letter-spacing: 1px;
    font-weight: 600;
    margin-top: 0.5rem;
}

.footer-phone {
    color: var(--text-main);
    text-decoration: none;
    font-weight: 600;
    font-size: 1.2rem;
    display: block;
    margin-bottom: 1rem;
    transition: color 0.3s ease;
}

.footer-phone:hover {
    color: var(--accent-yellow);
    text-shadow: 0 0 15px var(--accent-glow);
}

.footer-copyright {
    color: var(--text-muted);
    font-size: 0.8rem;
    margin-top: 4rem;
    text-align: center;
    border-top: 1px solid var(--surface-border);
    padding-top: 2rem;
}

/* ===== RESPONSIVE ===== */
@media (max-width: 768px) {
    .container {
        padding: 4rem 1.5rem;
    }

    .filter-buttons {
        /* Updated from control-section */
        flex-direction: row;
        /* wrap handles it */
        justify-content: center;
    }

    .sort-select {
        width: 100%;
    }

    .palette-grid {
        grid-template-columns: 1fr;
        gap: 2rem;
    }

    .header h1 {
        font-size: 3rem;
    }
}


/* ===== VARIABLES ===== */
:root {
    /* Brand Colors */
    --accent-yellow: #C6FF00;
    --accent-glow: rgba(198, 255, 0, 0.5);

    /* Backgrounds */
    --bg-dark: #333333;
    --bg-gradient-start: #333333;
    --bg-gradient-end: #222222;

    /* Surface (Glassmorphism) */
    --surface-glass: rgba(255, 255, 255, 0.1);
    --surface-glass-hover: rgba(255, 255, 255, 0.15);
    --surface-border: rgba(255, 255, 255, 0.2);
    --surface-border-hover: #C6FF00;

    /* Text */
    --text-main: #FFFFFF;
    --text-muted: #E0E0E0;
    --text-dark: #0012FF;

    /* Typography */
    --font-display: 'Outfit', sans-serif;
    --font-body: 'Outfit', sans-serif;

    /* Spacing */
    --container-width: 1440px;
}

/* ===== RESET & BASE ===== */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: var(--font-body);
    background: linear-gradient(135deg, var(--bg-gradient-start) 0%, var(--bg-gradient-end) 100%);
    background-attachment: fixed;
    color: var(--text-main);
    line-height: 1.6;
    -webkit-font-smoothing: antialiased;
    min-height: 100vh;
    overflow-x: hidden;
}

/* ===== UTILITIES ===== */
.glass {
    background: var(--surface-glass);
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
    border: 1px solid var(--surface-border);
}

/* ===== CONTAINER ===== */
.container {
    max-width: var(--container-width);
    margin: 0 auto;
    padding: 6rem 2rem 4rem;
    position: relative;
    z-index: 1;
}

/* ===== HEADER ===== */
.header {
    text-align: center;
    margin-bottom: 5rem;
    position: relative;
}

.title-wrapper {
    margin-bottom: 1rem;
    position: relative;
    display: inline-block;
}

.title {
    font-family: var(--font-display);
    font-size: clamp(3rem, 8vw, 5rem);
    font-weight: 700;
    color: var(--text-main);
    letter-spacing: 1px;
    text-transform: uppercase;
    line-height: 1.1;
    margin: 0;
    text-shadow: 0 10px 30px rgba(0, 0, 0, 0.5);
}

.title span {
    color: var(--accent-yellow);
    text-shadow: 0 0 20px var(--accent-glow);
}

.subtitle {
    font-size: 1.1rem;
    color: var(--text-muted);
    font-weight: 400;
    letter-spacing: 0.5px;
    max-width: 600px;
    margin: 0 auto;
}

/* ===== CONTROLS ===== */
.controls-section {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 4rem;
    padding: 1.25rem 2rem;
    border-radius: 100px;
    /* Pill shape */
    flex-wrap: wrap;
    gap: 1.5rem;
    transition: border-color 0.3s ease;
}

.controls-section:hover {
    border-color: var(--surface-border-hover);
}

.category-tabs {
    display: flex;
    gap: 0.5rem;
    flex-wrap: wrap;
}

.tab {
    background: transparent;
    border: 1px solid transparent;
    color: var(--text-muted);
    padding: 0.6rem 1.5rem;
    border-radius: 50px;
    cursor: pointer;
    font-family: var(--font-body);
    font-weight: 500;
    font-size: 0.9rem;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    letter-spacing: 0.3px;
}

.tab:hover {
    color: var(--text-main);
    background: rgba(255, 255, 255, 0.05);
}

.tab.active {
    background: var(--accent-yellow);
    color: var(--text-dark);
    font-weight: 700;
    box-shadow: 0 0 15px var(--accent-glow);
}

.sort-select {
    background: rgba(0, 0, 0, 0.4);
    border: 1px solid var(--surface-border);
    color: var(--text-main);
    padding: 0.6rem 1.5rem;
    border-radius: 50px;
    font-family: var(--font-body);
    font-weight: 500;
    cursor: pointer;
    outline: none;
    min-width: 160px;
    font-size: 0.9rem;
    transition: all 0.3s ease;
    appearance: none;
    /* Remove default arrow */
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='24' height='24' viewBox='0 0 24 24' fill='none' stroke='%238F8FAF' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpolyline points='6 9 12 15 18 9'%3E%3C/polyline%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right 1rem center;
    background-size: 1rem;
}

.sort-select option {
    background-color: #1a1a1a;
    color: #ffffff;
}

.sort-select:hover,
.sort-select:focus {
    border-color: var(--accent-yellow);
    box-shadow: 0 0 10px rgba(204, 255, 0, 0.1);
}

/* ===== PALETTE GRID ===== */
.palette-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
    gap: 2.5rem;
    margin-bottom: 4rem;
    width: 100%;
}

.palette-card {
    border-radius: 16px;
    transition: all 0.4s cubic-bezier(0.175, 0.885, 0.32, 1.275);
    position: relative;
    z-index: 1;
    overflow: visible;
    /* Allow strips to pop out */
}

.palette-card:hover {
    transform: translateY(-8px);
    border-color: var(--surface-border-hover);
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.4), 0 0 0 1px var(--surface-border-hover);
}

.color-strips {
    height: 180px;
    display: flex;
    width: 100%;
    position: relative;
    border-radius: 16px 16px 0 0;
    overflow: hidden;
    /* Initially hidden, but JS might pop them out */
}

/* Override overflow for hover effect if needed, but keeping it clean for now */
.palette-card:hover .color-strips {
    overflow: visible;
}

.color-strip {
    flex: 1;
    height: 100%;
    position: relative;
    cursor: pointer;
    transition: transform 0.3s ease;
    will-change: transform;
}

.color-strip:first-child {
    border-top-left-radius: 16px;
}

.color-strip:last-child {
    border-top-right-radius: 16px;
}

.hex-code {
    position: absolute;
    bottom: 20px;
    left: 50%;
    transform: translateX(-50%) translateY(10px);
    font-size: 0.8rem;
    font-weight: 700;
    color: var(--accent-yellow);
    opacity: 0;
    transition: all 0.3s ease;
    pointer-events: none;
    background: rgba(0, 0, 0, 0.9);
    padding: 6px 12px;
    border-radius: 6px;
    font-family: 'Courier New', monospace;
    border: 1px solid var(--accent-yellow);
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.5);
}

.card-footer {
    padding: 1.5rem;
    border-radius: 0 0 16px 16px;
    border-top: 1px solid var(--surface-border);
}

.palette-info {
    display: flex;
    flex-direction: column;
    gap: 0.25rem;
}

.palette-name {
    font-family: var(--font-display);
    font-weight: 600;
    font-size: 1.1rem;
    color: var(--text-main);
    letter-spacing: 0.5px;
    text-transform: uppercase;
}

.palette-type {
    font-size: 0.75rem;
    color: var(--accent-yellow);
    text-transform: uppercase;
    letter-spacing: 1px;
    font-weight: 600;
    opacity: 0.8;
}

/* ===== TOAST ===== */
.toast {
    position: fixed;
    bottom: 3rem;
    left: 50%;
    transform: translateX(-50%) translateY(100px);
    background: var(--accent-yellow);
    color: var(--text-dark);
    padding: 1rem 2.5rem;
    border-radius: 50px;
    font-weight: 700;
    font-size: 0.9rem;
    letter-spacing: 0.5px;
    z-index: 2000;
    transition: all 0.4s cubic-bezier(0.175, 0.885, 0.32, 1.275);
    box-shadow: 0 10px 30px var(--accent-glow);
    opacity: 0;
    text-transform: uppercase;
}

.toast.show {
    transform: translateX(-50%) translateY(0);
    opacity: 1;
}

/* ===== LOADER ===== */
.loader {
    width: 50px;
    height: 50px;
    border: 3px solid var(--surface-border);
    border-radius: 50%;
    border-top-color: var(--accent-yellow);
    margin: 4rem auto;
    animation: spin 1s linear infinite;
    display: none;
    box-shadow: 0 0 20px rgba(0, 0, 0, 0.2);
}

@keyframes spin {
    to {
        transform: rotate(360deg);
    }
}

/* ===== FOOTER ===== */
.site-footer {
    border-top: 1px solid var(--surface-border);
    padding: 5rem 0 3rem;
    margin-top: 8rem;
}

.footer-content {
    max-width: var(--container-width);
    margin: 0 auto;
    padding: 0 2rem;
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 4rem;
}

.footer-logo {
    font-family: var(--font-display);
    font-size: 2rem;
    font-weight: 700;
    color: var(--text-main);
    margin-bottom: 1rem;
    letter-spacing: 1px;
}

.footer-logo span {
    color: var(--accent-yellow);
}

.footer-tagline {
    color: var(--text-muted);
    font-size: 0.9rem;
    line-height: 1.6;
}

.stat-number {
    font-family: var(--font-display);
    font-size: 2.5rem;
    font-weight: 700;
    color: var(--accent-yellow);
    line-height: 1;
    text-shadow: 0 0 20px rgba(204, 255, 0, 0.2);
}

.stat-label {
    font-size: 0.8rem;
    color: var(--text-muted);
    text-transform: uppercase;
    letter-spacing: 1px;
    font-weight: 600;
    margin-top: 0.5rem;
}

.footer-phone {
    color: var(--text-main);
    text-decoration: none;
    font-weight: 600;
    font-size: 1.2rem;
    display: block;
    margin-bottom: 1rem;
    transition: color 0.3s ease;
}

.footer-phone:hover {
    color: var(--accent-yellow);
    text-shadow: 0 0 15px var(--accent-glow);
}

.footer-copyright {
    color: var(--text-muted);
    font-size: 0.8rem;
    margin-top: 4rem;
    text-align: center;
    border-top: 1px solid var(--surface-border);
    padding-top: 2rem;
}

/* ===== RESPONSIVE ===== */
@media (max-width: 768px) {
    .container {
        padding: 4rem 1.5rem;
    }

    .controls-section {
        border-radius: 24px;
        flex-direction: column;
        align-items: stretch;
        background: var(--surface-glass);
        /* Ensure background on mobile */
        border: 1px solid var(--surface-border);
    }

    .category-tabs {
        width: 100%;
        overflow-x: auto;
        padding-bottom: 0.5rem;
        flex-wrap: nowrap;
        -webkit-overflow-scrolling: touch;
    }

    .tab {
        white-space: nowrap;
        flex-shrink: 0;
    }

    .sort-select {
        width: 100%;
    }

    .palette-grid {
        grid-template-columns: 1fr;
        gap: 2rem;
    }
}

/* Add these classes to elements in HTML/JS */
.palette-card,
.controls-section,
.site-footer {
    background: var(--surface-glass);
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
    border: 1px solid var(--surface-border);
}