/* 
 * Waktu Update: 2026-05-25
 * Deskripsi: File CSS utama untuk RAZ Color Palette Generator yang mengusung desain Dark Mode Minimalist.
 * Menggunakan variabel CSS untuk manajemen warna dan menyertakan font modern.
 */

@import url('https://fonts.googleapis.com/css2?family=Inter:wght@400;500;600;700&family=Fira+Code:wght@400;500&display=swap');

:root {
    --bg-base: #0F1115;
    --surface-card: #1A1D24;
    --text-primary: #FFFFFF;
    --text-secondary: #A0AABF;
    --accent-color: #FFD700;
    --border-color: rgba(255, 255, 255, 0.08);
    --font-sans: 'Inter', sans-serif;
    --font-mono: 'Fira Code', monospace;
    --radius-lg: 16px;
    --radius-md: 12px;
    --radius-sm: 8px;
    --transition-smooth: all 0.2s ease-in-out;
}

* {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

body {
    background-color: var(--bg-base);
    color: var(--text-primary);
    font-family: var(--font-sans);
    line-height: 1.5;
    -webkit-font-smoothing: antialiased;
    scroll-behavior: smooth;
    padding-bottom: 60px;
}

/* Header & Hero Section */
.back-link-premium {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    color: var(--accent-color);
    text-decoration: none;
    font-weight: 600;
    margin-bottom: 24px;
    transition: var(--transition-smooth);
}
.back-link-premium:hover {
    transform: translateX(-5px);
    opacity: 0.8;
}

.hero {
    text-align: center;
    padding: 60px 20px 40px;
    max-width: 800px;
    margin: 0 auto;
}

.hero h1 {
    font-size: 2.5rem;
    font-weight: 700;
    margin-bottom: 10px;
    letter-spacing: -0.02em;
}

.hero p {
    color: var(--text-secondary);
    font-size: 1.1rem;
    margin-bottom: 40px;
}

/* Input Section */
.input-container {
    display: flex;
    align-items: center;
    justify-content: center;
    background-color: var(--surface-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    padding: 8px 8px 8px 24px;
    width: 100%;
    max-width: 600px;
    margin: 0 auto;
    transition: var(--transition-smooth);
}

.input-container:focus-within {
    border-color: var(--accent-color);
    box-shadow: 0 0 0 3px rgba(255, 215, 0, 0.15);
}

.color-picker {
    appearance: none;
    -webkit-appearance: none;
    border: none;
    width: 32px;
    height: 32px;
    flex-shrink: 0;
    border-radius: 50%;
    cursor: pointer;
    background: none;
    padding: 0;
    overflow: hidden;
}

.color-picker::-webkit-color-swatch-wrapper {
    padding: 0;
}

.color-picker::-webkit-color-swatch {
    border: 2px solid rgba(255, 255, 255, 0.2);
    border-radius: 50%;
}

.hex-input {
    background: transparent;
    border: none;
    color: var(--text-primary);
    font-family: var(--font-mono);
    font-size: 1.25rem;
    font-weight: 500;
    text-transform: uppercase;
    padding: 0 16px;
    flex-grow: 1;
    outline: none;
}

.btn-generate {
    background: linear-gradient(135deg, #FFD700, #FFA500);
    color: #0a0a0a;
    border: none;
    border-radius: var(--radius-md);
    padding: 12px 24px;
    font-family: var(--font-sans);
    font-weight: 700;
    font-size: 1rem;
    cursor: pointer;
    text-transform: uppercase;
    letter-spacing: 1px;
    transition: var(--transition-smooth);
}

.btn-generate:hover {
    transform: translateY(-3px);
    box-shadow: 0 4px 15px rgba(255, 215, 0, 0.3);
}

/* Palette Grid */
.palettes-wrapper {
    max-width: 1200px;
    margin: 0 auto;
    padding: 20px;
}

.grid-container {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
    gap: 24px;
}

.palette-card {
    background-color: var(--surface-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    overflow: hidden;
    display: flex;
    flex-direction: column;
}

.palette-header {
    padding: 16px 20px;
    border-bottom: 1px solid var(--border-color);
}

.palette-title {
    font-size: 1rem;
    font-weight: 600;
    color: var(--text-primary);
}

.palette-subtitle {
    font-size: 0.8rem;
    color: var(--text-secondary);
    margin-top: 4px;
}

.palette-colors {
    display: flex;
    height: 120px;
    width: 100%;
}

.color-swatch {
    flex-grow: 1;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    transition: var(--transition-smooth);
    position: relative;
    overflow: hidden;
}

.color-swatch:hover {
    flex-grow: 1.5;
    z-index: 2;
}

.color-hex {
    font-family: var(--font-mono);
    font-size: 0.85rem;
    font-weight: 500;
    opacity: 0;
    transform: translateY(10px);
    transition: var(--transition-smooth);
    pointer-events: none;
    text-shadow: 0 1px 3px rgba(0,0,0,0.5);
}

/* Otomatis teks HEX menjadi terang jika background gelap (di-handle oleh JS, default putih) */
.color-swatch:hover .color-hex {
    opacity: 1;
    transform: translateY(0);
}

/* Gradient Card Specific */
.gradient-preview {
    height: 120px;
    width: 100%;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: var(--transition-smooth);
}

.gradient-preview:hover {
    opacity: 0.9;
}

.gradient-preview .color-hex {
    font-family: var(--font-mono);
    opacity: 0;
    background: rgba(0,0,0,0.6);
    padding: 4px 8px;
    border-radius: var(--radius-sm);
}

.gradient-preview:hover .color-hex {
    opacity: 1;
    transform: translateY(0);
}

/* Tab Navigation */
.tool-tabs {
    display: flex;
    justify-content: center;
    gap: 12px;
    margin-bottom: 30px;
}

.tab-btn {
    background: transparent;
    color: var(--text-secondary);
    border: 1px solid var(--border-color);
    padding: 10px 20px;
    border-radius: 30px;
    font-size: 0.9rem;
    font-weight: 600;
    font-family: var(--font-sans);
    cursor: pointer;
    transition: var(--transition-smooth);
}

.tab-btn:hover {
    color: var(--text-primary);
    border-color: rgba(255, 255, 255, 0.2);
}

.tab-btn.active {
    background: var(--accent-color);
    color: #000;
    border-color: var(--accent-color);
}

/* Tool Sections */
.tool-section {
    display: none;
    animation: fadeIn 0.4s ease-out;
}

.tool-section.active {
    display: block;
}

@keyframes fadeIn {
    from { opacity: 0; transform: translateY(10px); }
    to { opacity: 1; transform: translateY(0); }
}

/* Multi Input (Gradient) */
.multi-input {
    gap: 12px;
    padding: 8px 12px;
    max-width: fit-content;
    flex-wrap: wrap;
}

.color-wrap {
    display: flex;
    align-items: center;
    background: rgba(0,0,0,0.2);
    border-radius: 30px;
    padding: 4px;
}

.hex-input-small {
    background: transparent;
    border: none;
    color: var(--text-primary);
    font-family: var(--font-mono);
    font-size: 1rem;
    width: 90px;
    text-transform: uppercase;
    outline: none;
}

/* Orientation Selector */
.orientation-selector {
    display: flex;
    justify-content: center;
    gap: 10px;
    margin-top: 24px;
}

.orient-btn {
    width: 40px;
    height: 40px;
    border-radius: 50%;
    background: var(--surface-card);
    border: 1px solid var(--border-color);
    color: var(--text-secondary);
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    transition: var(--transition-smooth);
}

.orient-btn:hover {
    color: var(--text-primary);
    border-color: rgba(255,255,255,0.3);
}

.orient-btn.active {
    background: var(--accent-color);
    color: #000;
    border-color: var(--accent-color);
}

/* Gradient Live Preview Box */
.gradient-live-container {
    width: 100%;
    margin-top: 30px;
}

.gradient-preview-box {
    width: 100%;
    height: 400px;
    border-radius: var(--radius-lg);
    background: #222; /* Default sebelum di-inject */
    display: flex;
    align-items: flex-end;
    justify-content: center;
    padding: 30px;
    position: relative;
    box-shadow: 0 20px 40px rgba(0,0,0,0.4);
    transition: background 0.3s ease;
}

.css-code-box {
    background: rgba(15, 17, 21, 0.85);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    padding: 20px 30px;
    border-radius: var(--radius-md);
    border: 1px solid rgba(255,255,255,0.1);
    cursor: pointer;
    transition: var(--transition-smooth);
    text-align: center;
    width: 100%;
    max-width: 800px;
}

.css-code-box:hover {
    transform: translateY(-2px);
    background: rgba(15, 17, 21, 0.95);
    border-color: var(--accent-color);
}

.css-code-box code {
    font-family: var(--font-mono);
    color: var(--text-primary);
    font-size: 0.95rem;
    word-break: break-all;
}

.copy-hint {
    margin-top: 10px;
    font-size: 0.8rem;
    color: var(--accent-color);
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 1px;
    opacity: 0.8;
}

/* Toast Notification Modal Custom */
.raz-toast-container {
    position: fixed;
    bottom: 30px;
    left: 50%;
    transform: translateX(-50%) translateY(100px);
    background-color: var(--accent-color);
    color: #000;
    padding: 12px 24px;
    border-radius: 30px;
    font-weight: 600;
    display: flex;
    align-items: center;
    gap: 8px;
    box-shadow: 0 10px 25px rgba(255, 215, 0, 0.3);
    transition: transform 0.3s cubic-bezier(0.175, 0.885, 0.32, 1.275), opacity 0.3s ease;
    opacity: 0;
    z-index: 1000;
    pointer-events: none;
}

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

.raz-toast-icon {
    display: flex;
    align-items: center;
    justify-content: center;
}

/* Responsiveness */
@media (max-width: 768px) {
    .color-hero {
        padding: 100px 15px 30px;
    }
    
    .color-hero h2 {
        font-size: 1.8rem;
    }
    
    .tool-tabs {
        flex-wrap: wrap;
        gap: 10px;
        justify-content: center;
    }
    
    .tab-btn {
        flex: 0 0 auto;
        padding: 8px 16px;
        font-size: 0.85rem;
    }
    
    .input-container {
        padding: 16px;
        flex-wrap: wrap;
        gap: 12px;
    }
    
    .input-container .btn-generate {
        width: 100%;
        margin-top: 5px;
    }
    
    .hex-input {
        font-size: 1.1rem;
        padding: 0 10px;
        flex: 1;
        text-align: center;
    }
    
    /* Responsive untuk Gradient multi-input */
    .multi-input {
        justify-content: center;
    }
    
    .orientation-selector {
        gap: 6px;
        flex-wrap: wrap;
    }
    
    .orient-btn {
        width: 38px;
        height: 38px;
    }
    
    .gradient-preview-box {
        height: 260px;
        padding: 16px;
    }
    
    .css-code-box {
        padding: 15px;
    }
    
    .css-code-box code {
        font-size: 0.8rem;
    }
    
    .grid-container {
        grid-template-columns: 1fr;
    }
}