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

:root {
    --primary-color: #667eea;
    --secondary-color: #764ba2;
    --accent-color: #f093fb;
    --text-light: rgba(255, 255, 255, 0.9);
    --text-muted: rgba(255, 255, 255, 0.7);
    --glass-bg: rgba(255, 255, 255, 0.1);
    --glass-border: rgba(255, 255, 255, 0.2);
    --shadow-light: 0 8px 32px rgba(0, 0, 0, 0.1);
    --shadow-hover: 0 12px 40px rgba(0, 0, 0, 0.2);
    --border-radius: 12px;
    --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, Cantarell, sans-serif;
    background: linear-gradient(135deg, var(--primary-color) 0%, var(--secondary-color) 100%);
    min-height: 100vh;
    padding: 20px;
    color: var(--text-light);
}

.container {
    max-width: 1400px;
    margin: 0 auto;
}

header {
    text-align: center;
    margin-bottom: 50px;
}

header h1 {
    font-size: 3rem;
    margin-bottom: 15px;
    background: linear-gradient(135deg, var(--text-light), var(--accent-color));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    text-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
}

header p {
    font-size: 1.3rem;
    opacity: 0.9;
    font-weight: 300;
}

.controls {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 40px;
    flex-wrap: wrap;
    gap: 20px;
}

.control-group {
    display: flex;
    align-items: center;
    gap: 15px;
    flex-wrap: wrap;
}

.btn-primary, .btn-secondary, .btn-danger {
    padding: 12px 24px;
    border: none;
    border-radius: 25px;
    font-size: 14px;
    cursor: pointer;
    transition: var(--transition);
    font-weight: 600;
    display: flex;
    align-items: center;
    gap: 8px;
    text-decoration: none;
}

.btn-primary {
    background: linear-gradient(135deg, var(--primary-color), var(--accent-color));
    color: white;
    box-shadow: var(--shadow-light);
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-hover);
}

.btn-secondary {
    background: var(--glass-bg);
    color: var(--text-light);
    border: 1px solid var(--glass-border);
    backdrop-filter: blur(10px);
}

.btn-secondary:hover {
    background: rgba(255, 255, 255, 0.2);
    transform: translateY(-1px);
}

.btn-danger {
    background: linear-gradient(135deg, #ff6b6b, #ee5a24);
    color: white;
}

.select-input {
    padding: 10px 15px;
    border: 1px solid var(--glass-border);
    border-radius: var(--border-radius);
    background: var(--glass-bg);
    color: var(--text-light);
    backdrop-filter: blur(10px);
    font-size: 14px;
}

.color-count {
    display: flex;
    align-items: center;
    gap: 10px;
    color: var(--text-light);
}

input[type="range"] {
    width: 100px;
}

.search-section {
    display: flex;
    gap: 10px;
    margin-bottom: 30px;
}

.search-input {
    flex: 1;
    padding: 12px 20px;
    border: 1px solid var(--glass-border);
    border-radius: var(--border-radius);
    background: var(--glass-bg);
    color: var(--text-light);
    backdrop-filter: blur(10px);
    font-size: 16px;
}

.search-input::placeholder {
    color: var(--text-muted);
}

.palette-container {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 25px;
    margin-bottom: 40px;
}

.color-card {
    background: var(--glass-bg);
    border: 1px solid var(--glass-border);
    border-radius: var(--border-radius);
    padding: 25px;
    backdrop-filter: blur(10px);
    transition: var(--transition);
    position: relative;
    overflow: hidden;
}

.color-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-hover);
}

.color-card.locked {
    border: 2px solid var(--accent-color);
}

.color-card.locked::before {
    content: '🔒';
    position: absolute;
    top: 10px;
    right: 10px;
    font-size: 20px;
}

.color-preview {
    height: 150px;
    border-radius: var(--border-radius);
    margin-bottom: 20px;
    position: relative;
    cursor: pointer;
    transition: var(--transition);
}

.color-preview:hover {
    transform: scale(1.02);
}

.color-info-display {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 15px;
}

.color-code {
    font-family: 'Courier New', monospace;
    font-size: 16px;
    font-weight: 600;
    color: var(--text-light);
}

.color-name {
    font-size: 14px;
    color: var(--text-muted);
}

.color-actions-row {
    display: flex;
    gap: 10px;
}

.color-actions-row button {
    flex: 1;
    padding: 8px 12px;
    border: 1px solid var(--glass-border);
    border-radius: 20px;
    background: var(--glass-bg);
    color: var(--text-light);
    cursor: pointer;
    transition: var(--transition);
    font-size: 12px;
}

.color-actions-row button:hover {
    background: rgba(255, 255, 255, 0.2);
}

.color-actions {
    display: flex;
    justify-content: center;
    gap: 15px;
    margin-bottom: 40px;
    flex-wrap: wrap;
}

.color-details {
    background: var(--glass-bg);
    border: 1px solid var(--glass-border);
    border-radius: var(--border-radius);
    padding: 30px;
    margin-bottom: 40px;
    backdrop-filter: blur(10px);
}

.color-details h3 {
    margin-bottom: 20px;
    color: var(--text-light);
}

.color-info-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 20px;
}

.color-info-item {
    display: flex;
    justify-content: space-between;
    padding: 10px 0;
    border-bottom: 1px solid var(--glass-border);
}

.saved-palettes {
    background: var(--glass-bg);
    border: 1px solid var(--glass-border);
    border-radius: var(--border-radius);
    padding: 30px;
    backdrop-filter: blur(10px);
}

.saved-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 30px;
    flex-wrap: wrap;
    gap: 15px;
}

.saved-controls {
    display: flex;
    gap: 10px;
    flex-wrap: wrap;
}

.saved-palettes-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
    gap: 30px;
}

.saved-palette-card {
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid var(--glass-border);
    border-radius: var(--border-radius);
    padding: 20px;
    transition: var(--transition);
    overflow: hidden;
}

.saved-palette-card:hover {
    transform: translateY(-2px);
}

.saved-palette-colors {
    display: flex;
    gap: 5px;
    margin-bottom: 15px;
    flex-wrap: wrap;
}

.saved-color {
    width: 40px;
    height: 40px;
    flex: 0 0 40px;
    border-radius: 5px;
    cursor: pointer;
    transition: var(--transition);
}

.saved-color:hover {
    transform: scale(1.1);
}

.saved-palette-actions {
    display: flex;
    gap: 10px;
    flex-wrap: wrap;
}

.mini-palette {
    display: flex;
    gap: 5px;
    margin-bottom: 15px;
}

.mini-color {
    width: 30px;
    height: 30px;
    border-radius: 5px;
    cursor: pointer;
    transition: var(--transition);
}

.mini-color:hover {
    transform: scale(1.1);
}

.modal {
    display: none;
    position: fixed;
    z-index: 1000;
    left: 0;
    top: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0, 0, 0, 0.5);
    backdrop-filter: blur(5px);
}

.modal-content {
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    margin: 5% auto;
    padding: 40px;
    border-radius: var(--border-radius);
    width: 90%;
    max-width: 600px;
    position: relative;
}

.close {
    color: var(--text-light);
    float: right;
    font-size: 28px;
    font-weight: bold;
    cursor: pointer;
}

.close:hover {
    color: var(--accent-color);
}

.export-options {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(120px, 1fr));
    gap: 15px;
    margin-bottom: 20px;
}

.export-btn {
    padding: 12px 20px;
    border: 1px solid var(--glass-border);
    border-radius: var(--border-radius);
    background: var(--glass-bg);
    color: var(--text-light);
    cursor: pointer;
    transition: var(--transition);
    text-align: center;
}

.export-btn:hover {
    background: rgba(255, 255, 255, 0.2);
}

#exportOutput {
    width: 100%;
    height: 200px;
    background: rgba(255, 255, 255, 0.1);
    border: 1px solid var(--glass-border);
    border-radius: var(--border-radius);
    color: var(--text-light);
    padding: 15px;
    font-family: 'Courier New', monospace;
    font-size: 14px;
    resize: vertical;
}

.toast {
    position: fixed;
    bottom: 30px;
    right: 30px;
    background: var(--glass-bg);
    color: var(--text-light);
    padding: 15px 25px;
    border-radius: 50px;
    border: 1px solid var(--glass-border);
    backdrop-filter: blur(10px);
    opacity: 0;
    transform: translateY(20px);
    transition: var(--transition);
    z-index: 1001;
}

.toast.show {
    opacity: 1;
    transform: translateY(0);
}

.palette-type-group {
    display: flex;
    gap: 10px;
    flex-wrap: wrap;
}

.palette-type-btn.active {
    background: linear-gradient(135deg, var(--primary-color), var(--accent-color));
    color: #fff;
}

.site-footer {
    text-align: center;
    margin-top: 60px;
    font-size: 0.9rem;
    color: var(--text-muted);
}

.site-footer a {
    color: var(--text-light);
    text-decoration: none;
}

.site-footer a:hover {
    text-decoration: underline;
}

@media (max-width: 768px) {
    .controls {
        flex-direction: column;
        align-items: stretch;
    }
    
    .control-group {
        justify-content: center;
    }
    
    .palette-container {
        grid-template-columns: 1fr;
    }
    
    .saved-palettes-grid {
        grid-template-columns: 1fr;
    }
    
    header h1 {
        font-size: 2.5rem;
    }
}

@media (max-width: 480px) {
    body {
        padding: 10px;
    }
    
    .color-card {
        padding: 20px;
    }
    
    .modal-content {
        margin: 10% auto;
        padding: 20px;
    }
}

/* Animations */
@keyframes fadeIn {
    from {
        opacity: 0;
        transform: translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.color-card {
    animation: fadeIn 0.5s ease-out;
}

/* Scrollbar styling */
::-webkit-scrollbar {
    width: 8px;
}

::-webkit-scrollbar-track {
    background: rgba(255, 255, 255, 0.1);
}

::-webkit-scrollbar-thumb {
    background: rgba(255, 255, 255, 0.3);
    border-radius: 4px;
}

::-webkit-scrollbar-thumb:hover {
    background: rgba(255, 255, 255, 0.5);
}

.export-actions {
    display: flex;
    gap: 10px;
    margin-top: 15px;
    flex-wrap: wrap;
}

.scheme-description {
    width: 100%;
    text-align: center;
    font-size: 1.125rem; /* 25% larger */
    line-height: 1.5;
    color: var(--text-muted);
    margin-top: 10px;
}

.detail-color-preview {
    width: 100%;
    height: 80px;
    border-radius: var(--border-radius);
    margin-bottom: 15px;
    border: 1px solid var(--glass-border);
}

.recommended-text {
    text-align: center;
    margin-top: 8px;
    font-size: 1.2rem;
    line-height: 1.4;
    font-style: italic;
    color: var(--text-light);
}

/* --- Mobile (<=480px) enhanced support --- */
@media (max-width: 480px) {
    .btn-primary,
    .btn-secondary,
    .btn-danger {
        width: 100%;
        justify-content: center;
        padding: 14px 0; /* bigger tap area */
    }

    .controls,
    .control-group {
        width: 100%;
        flex-direction: column;
        align-items: stretch;
    }

    .search-section {
        flex-direction: column;
        gap: 12px;
    }

    .palette-type-group {
        flex-direction: column;
        align-items: stretch;
    }

    .palette-container {
        grid-template-columns: 1fr;
        gap: 15px;
    }

    .color-info-display {
        flex-direction: column;
        align-items: flex-start;
        gap: 4px;
    }

    .color-actions-row {
        flex-direction: column;
        gap: 8px;
    }

    .modal-content {
        width: 95%;
        padding: 20px 15px;
    }

    /* Ensure large text remains readable */
    header h1 {
        font-size: 2rem;
    }
}