/* NIVELLA - Centralized Styles */

/* Reset and Base Styles */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

/* CSS Variables - NIVELLA Brand Colors */
:root {
    /* Background Colors */
    --bg-primary: #121212;
    --bg-secondary: #1E1E1E;
    --bg-card: #1E1E1E;
    --bg-input: #2C2C2C;
    
    /* Text Colors */
    --text-primary: #E0E0E0;
    --text-secondary: #A0A0A0;
    --text-muted: #757575;
    --text-light: #CCCCCC;
    
    /* Brand Colors */
    --accent: #dc3545;           /* Red primary */
    --accent-hover: #c82333;     /* Red hover */
    --accent-secondary: #ffc107; /* Yellow secondary */
    --accent-secondary-hover: #e0a800; /* Yellow hover */
    
    /* UI Colors */
    --border-color: #333333;
    --shadow: 0 4px 12px rgba(0, 0, 0, 0.25);
    --border-radius: 8px;
    
    /* Status Colors */
    --success: #28a745;
    --error: #dc3545;
    --warning: #ffc107;
    --info: #17a2b8;
}

/* Base Typography */
body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    background-color: var(--bg-primary);
    color: var(--text-primary);
    line-height: 1.6;
    min-height: 100vh;
}

/* Container */
.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 20px;
}

/* Header Styles */
.header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    background: linear-gradient(135deg, var(--bg-secondary) 0%, rgba(220, 53, 69, 0.1) 100%);
    padding: 18px 24px;
    z-index: 1000;
    border-bottom: 3px solid var(--accent);
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.4);
    backdrop-filter: blur(10px);
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.header h1 {
    font-size: 2rem;
    font-weight: 800;
    color: var(--accent);
    letter-spacing: 1px;
    margin: 0;
    display: flex;
    align-items: center;
    gap: 12px;
    text-shadow: 0 2px 8px rgba(220, 53, 69, 0.5);
}

.header h1 i {
    color: var(--accent-secondary);
    font-size: 1.8rem;
    animation: pulse 2s infinite;
}

@keyframes pulse {
    0%, 100% { transform: scale(1); }
    50% { transform: scale(1.05); }
}

.header-actions {
    display: flex;
    align-items: center;
    gap: 12px;
}

.header-actions .btn {
    padding: 10px 18px;
    font-size: 0.9rem;
    font-weight: 600;
    border-radius: 8px;
    transition: all 0.3s ease;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.2);
    border: none;
    cursor: pointer;
    text-decoration: none;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-width: 100px;
    background: var(--accent);
    color: white;
}

.header-actions .btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.3);
    background: var(--accent-hover);
}

.header-actions .btn.btn-secondary {
    background: var(--bg-input);
    color: var(--text-primary);
    border: 1px solid var(--border-color);
}

.header-actions .btn.btn-secondary:hover {
    background: var(--bg-secondary);
    color: var(--accent);
    border-color: var(--accent);
}

.header-actions .btn.btn-danger {
    background: var(--accent);
    color: white;
}

.header-actions .btn.btn-danger:hover {
    background: var(--accent-hover);
}

/* Consolidated Search Styles */
.search-container {
    position: relative;
    width: 300px;
}

.search-input {
    width: 100%;
    padding: 10px 15px 10px 40px;
    background-color: var(--bg-input);
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius);
    color: var(--text-primary);
    font-size: 0.9rem;
}

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

.search-container i {
    position: absolute;
    left: 15px;
    top: 50%;
    transform: translateY(-50%);
    color: var(--text-muted);
}

/* Ensure body has top padding to account for fixed header */
body {
    padding-top: 90px;
}

/* Page Headers */
.page-header {
    text-align: center;
    margin-bottom: 32px;
    padding: 24px 0;
}

.page-header h2 {
    font-size: 2.5rem;
    font-weight: 600;
    margin-bottom: 12px;
    color: var(--text-primary);
    letter-spacing: -1px;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 12px;
}

.page-header h2 i {
    color: var(--accent);
}

.page-header p {
    font-size: 1.1rem;
    color: var(--text-secondary);
    max-width: 500px;
    margin: 0 auto;
}

/* Cards */
.card {
    background-color: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius);
    padding: 24px;
    box-shadow: var(--shadow);
    margin-bottom: 24px;
}

.card-header {
    display: flex;
    align-items: center;
    gap: 12px;
    margin-bottom: 20px;
}

.card-header .card-icon {
    color: var(--accent);
    font-size: 1.2rem;
}

.card-header h2,
.card-header h3 {
    color: var(--text-primary);
    margin: 0;
    font-size: 1.25rem;
    font-weight: 600;
}

/* Forms */
.form-group {
    margin-bottom: 20px;
}

.form-group label {
    display: block;
    margin-bottom: 8px;
    font-weight: 500;
    color: var(--text-secondary);
    font-size: 0.9rem;
}

.form-group input,
.form-group textarea,
.form-group select {
    width: 100%;
    padding: 12px 14px;
    background-color: var(--bg-input);
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius);
    font-size: 0.95rem;
    color: var(--text-primary);
    transition: border-color 0.2s ease, box-shadow 0.2s ease;
    font-family: inherit;
}

.form-group input::placeholder,
.form-group textarea::placeholder {
    color: var(--text-muted);
}

.form-group input:focus,
.form-group textarea:focus,
.form-group select:focus {
    outline: none;
    border-color: var(--accent);
    box-shadow: 0 0 0 3px rgba(220, 53, 69, 0.15);
}

.form-group textarea {
    resize: vertical;
    min-height: 70px;
}

/* Buttons */
.btn {
    background: var(--accent);
    color: #ffffff;
    border: none;
    padding: 12px 18px;
    border-radius: var(--border-radius);
    font-size: 0.95rem;
    font-weight: 600;
    cursor: pointer;
    transition: background-color 0.2s ease;
    text-decoration: none;
    display: inline-block;
    text-align: center;
    border: none;
}

.btn:hover {
    background: var(--accent-hover);
    text-decoration: none;
}

.btn:disabled {
    opacity: 0.6;
    cursor: not-allowed;
}

.btn-secondary {
    background: var(--bg-input);
    color: var(--text-primary);
}

.btn-secondary:hover {
    background: #3a3a3a;
}

.btn-danger {
    background: var(--error);
}

.btn-danger:hover {
    background: #c82333;
}

.btn-warning {
    background: var(--accent-secondary);
    color: #000;
}

.btn-warning:hover {
    background: var(--accent-secondary-hover);
}

/* Profile Avatar */
.profile-avatar {
    width: 45px;
    height: 45px;
    border-radius: 50%;
    background: linear-gradient(135deg, var(--accent), var(--accent-hover));
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    text-decoration: none;
    font-size: 1.3rem;
    transition: all 0.3s ease;
    border: 2px solid var(--accent-secondary);
    box-shadow: 0 3px 12px rgba(220, 53, 69, 0.3);
}

.profile-avatar:hover {
    background: linear-gradient(135deg, var(--accent-hover), var(--accent));
    transform: scale(1.1) rotate(5deg);
    box-shadow: 0 5px 20px rgba(220, 53, 69, 0.5);
}

.profile-avatar i {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 100%;
    height: 100%;
}

/* Profile Dropdown */
.profile-dropdown {
    position: relative;
}

.profile-menu {
    position: absolute;
    top: 58px;
    right: 0;
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: 10px;
    box-shadow: 0 12px 30px rgba(0,0,0,0.35);
    min-width: 190px;
    padding: 8px;
    display: none;
    z-index: 1100;
}

.profile-menu.open {
    display: block;
}

.profile-menu .menu-item {
    display: flex;
    align-items: center;
    gap: 10px;
    width: 100%;
    padding: 10px 12px;
    border-radius: 8px;
    color: var(--text-primary);
    text-decoration: none;
    background: transparent;
    border: none;
    cursor: pointer;
    font: inherit;
}

.profile-menu .menu-item:hover {
    background: rgba(220, 53, 69, 0.12);
    color: var(--accent);
}

.profile-menu .menu-item.logout:hover {
    background: rgba(220, 53, 69, 0.18);
    color: var(--error);
}

.profile-menu .menu-separator {
    height: 1px;
    background: var(--border-color);
    margin: 6px 8px;
}

/* File Input */
.file-input-container {
    position: relative;
    width: 100%;
}

.file-input {
    display: none;
}

.file-input-label {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    padding: 24px;
    background-color: var(--bg-input);
    border: 2px dashed var(--border-color);
    border-radius: var(--border-radius);
    cursor: pointer;
    text-align: center;
    color: var(--text-secondary);
    transition: border-color 0.2s ease, background-color 0.2s ease;
}

.file-input-label:hover {
    border-color: var(--accent);
    background-color: #2a2a2a;
}

.file-input-label i {
    font-size: 1.5rem;
    margin-bottom: 8px;
    color: var(--accent);
}

.file-info {
    font-size: 0.85rem;
    color: var(--text-secondary);
    margin-top: 12px;
    padding: 12px;
    background-color: var(--bg-input);
    border-radius: var(--border-radius);
    border: 1px solid var(--border-color);
}

/* Messages */
.message {
    padding: 12px 16px;
    margin: 16px 0;
    border-radius: var(--border-radius);
    text-align: center;
    font-weight: 500;
    border: 1px solid;
}

.message.success {
    background-color: rgba(40, 167, 69, 0.15);
    color: var(--success);
    border-color: rgba(40, 167, 69, 0.5);
}

.message.error {
    background-color: rgba(220, 53, 69, 0.15);
    color: var(--error);
    border-color: rgba(220, 53, 69, 0.5);
}

.message.warning {
    background-color: rgba(255, 193, 7, 0.15);
    color: var(--warning);
    border-color: rgba(255, 193, 7, 0.5);
}

.message.info {
    background-color: rgba(23, 162, 184, 0.15);
    color: var(--info);
    border-color: rgba(23, 162, 184, 0.5);
}

/* Loading Spinner */
.loading-spinner {
    display: inline-block;
    width: 20px;
    height: 20px;
    border: 2px solid rgba(255, 255, 255, 0.3);
    border-radius: 50%;
    border-top: 2px solid white;
    animation: spin 1s linear infinite;
}

@keyframes spin {
    0% { transform: rotate(0deg); }
    100% { transform: rotate(360deg); }
}

/* Input utility (for selects in toolbar) */
.input {
    background-color: var(--bg-input);
    color: var(--text-primary);
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius);
    padding: 10px 12px;
    font-size: 0.9rem;
}

.input:focus {
    outline: none;
    border-color: var(--accent);
    box-shadow: 0 0 0 3px rgba(220, 53, 69, 0.15);
}

/* Pagination */
#pagination .btn {
    min-width: 40px;
    padding: 8px 12px;
}

#pagination .btn[disabled] {
    opacity: 0.5;
    cursor: not-allowed;
}

/* Levels Grid */
.levels-header {
    margin-bottom: 24px;
    padding-bottom: 16px;
    border-bottom: 1px solid var(--border-color);
    display: flex;
    align-items: center;
    gap: 12px;
}

.levels-header h2 {
    font-size: 1.5rem;
    font-weight: 600;
    color: var(--text-primary);
}

.levels-header .header-icon {
    color: var(--accent);
    font-size: 1.5rem;
}

.levels-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
    gap: 20px;
}

.level-card {
    background-color: transparent;
    border-radius: var(--border-radius);
    overflow: hidden;
    transition: transform 0.2s ease, box-shadow 0.2s ease;
    border: 1px solid transparent;
}

.level-card:hover {
    transform: translateY(-4px);
    border-color: var(--border-color);
}

.thumbnail-container {
    position: relative;
    width: 100%;
    padding-top: 56.25%; /* 16:9 Aspect Ratio */
    background-color: var(--bg-input);
    border-radius: var(--border-radius);
    overflow: hidden;
}

.level-thumbnail {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.3s ease;
}

.level-card:hover .level-thumbnail {
    transform: scale(1.05);
}

.level-info {
    padding: 12px 4px;
}

.level-title {
    font-size: 1.05rem;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: 4px;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.level-meta {
    display: flex;
    justify-content: space-between;
    align-items: center;
    font-size: 0.85rem;
    color: var(--text-secondary);
}

/* Like System */
.level-likes {
    display: flex;
    align-items: center;
    gap: 6px;
}

.like-button {
    background: none;
    border: none;
    color: var(--text-muted);
    cursor: pointer;
    font-size: 1rem;
    transition: all 0.2s ease;
    padding: 4px;
    border-radius: 4px;
}

.like-button:hover {
    background-color: rgba(255, 255, 255, 0.1);
    color: var(--text-primary);
}

.like-button.liked {
    color: var(--accent);
}

.like-button.liked:hover {
    color: var(--accent-hover);
}

.like-count {
    font-size: 0.9rem;
    color: var(--text-secondary);
    font-weight: 500;
}

/* Empty State */
.empty-state {
    text-align: center;
    padding: 60px 20px;
    color: var(--text-light);
    opacity: 0.7;
}

.empty-state .icon {
    font-size: 4rem;
    margin-bottom: 20px;
    opacity: 0.5;
}

/* Profile Specific */
.profile-header {
    display: flex;
    align-items: center;
    gap: 24px;
    margin-bottom: 32px;
    padding: 24px;
    background-color: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius);
    box-shadow: var(--shadow);
}

.profile-header .profile-avatar {
    width: 80px;
    height: 80px;
    font-size: 2rem;
    flex-shrink: 0;
}

.profile-info h2 {
    font-size: 1.8rem;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: 4px;
}

.profile-info p {
    color: var(--text-secondary);
    font-size: 0.95rem;
}

.profile-stats {
    display: flex;
    gap: 24px;
    margin-top: 16px;
}

.stat {
    text-align: center;
}

.stat-number {
    font-size: 1.5rem;
    font-weight: 600;
    color: var(--accent);
}

.stat-label {
    font-size: 0.85rem;
    color: var(--text-muted);
}

.profile-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 24px;
}

/* Level Items */
.level-item {
    display: flex;
    align-items: center;
    gap: 16px;
    padding: 16px;
    background-color: var(--bg-input);
    border-radius: var(--border-radius);
    margin-bottom: 12px;
    transition: background-color 0.2s ease;
}

.level-item:hover {
    background-color: #3a3a3a;
}

.level-item .level-thumbnail {
    width: 60px;
    height: 34px;
    border-radius: 4px;
    background: var(--border-color);
    object-fit: cover;
}

.level-details {
    flex: 1;
}

.level-details .level-title {
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: 4px;
    white-space: normal;
}

.level-details .level-meta {
    font-size: 0.85rem;
    color: var(--text-muted);
}

.level-actions {
    display: flex;
    gap: 8px;
}

.level-actions button {
    padding: 6px 12px;
    font-size: 0.8rem;
    width: auto;
}

/* Connection Status */
.connection-status {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    padding: 12px;
    margin-bottom: 16px;
    border-radius: var(--border-radius);
    background-color: rgba(40, 167, 69, 0.15);
    color: var(--success);
    border: 1px solid rgba(40, 167, 69, 0.5);
    font-weight: 500;
}

.connection-status.error {
    background-color: rgba(220, 53, 69, 0.15);
    color: var(--error);
    border-color: rgba(220, 53, 69, 0.5);
}

.status-dot {
    width: 8px;
    height: 8px;
    border-radius: 50%;
    background: currentColor;
    animation: pulse 2s infinite;
}

@keyframes pulse {
    0%, 100% { opacity: 1; }
    50% { opacity: 0.5; }
}

/* Download Overlay */
.download-overlay {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background-color: rgba(0,0,0,0.6);
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    transition: opacity 0.3s ease;
    border-radius: var(--border-radius);
    pointer-events: none;
}

.level-card:hover .download-overlay {
    opacity: 1;
    pointer-events: auto;
}

/* Responsive Design */
@media (max-width: 1024px) {
    .profile-content {
        grid-template-columns: 1fr;
    }
    
    .search-container {
        width: 250px;
    }
}

@media (max-width: 768px) {
    .container {
        padding: 20px 15px;
    }
    
    .header {
        padding: 12px 15px;
        flex-direction: column;
        gap: 12px;
        padding-top: 100px;
    }
    
    body {
        padding-top: 120px;
    }
    
    .header-actions {
        width: 100%;
        justify-content: center;
    }
    
    .page-header h2 {
        font-size: 2rem;
        flex-direction: column;
        gap: 8px;
    }
    
    .levels-grid {
        grid-template-columns: 1fr;
    }
    
    .profile-header {
        flex-direction: column;
        text-align: center;
    }
    
    .profile-stats {
        justify-content: center;
    }
    
    .search-container {
        width: 100%;
        max-width: 300px;
    }
}

@media (max-width: 480px) {
    .page-header h2 {
        font-size: 1.8rem;
    }
    
    .card {
        padding: 20px;
    }
    
    .file-input-label {
        padding: 20px 15px;
    }
    
    .btn {
        padding: 14px 20px;
        font-size: 1rem;
    }
}