/* ======================== */
/* COMPONENT STYLES         */
/* ======================== */

/* Container & Layout */
.container {
    max-width: 1400px;
    margin: 0 auto;
    padding: 0 20px;
}

.gradient {
    font-size: 16px;
    background: var(--dmt-gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    letter-spacing: -0.02em;
}

.small {
    font-size: 11px;
    color: var(--muted);
    font-weight: 500;
    letter-spacing: 0.02em;
}

/* Header */
header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    height: 55px;
    background: var(--glass-bg);
    backdrop-filter: var(--blur);
    -webkit-backdrop-filter: var(--blur);
    border-bottom: 1px solid var(--glass-border);
    z-index: 1000;
    box-shadow: var(--glass-shadow);
}

.header-inner {
    max-width: 1400px;
    margin: 0 auto;
    height: 100%;
    padding: 0 20px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 24px;
}

.brand-container {
    display: flex;
    align-items: center;
    gap: 8px;
    cursor: pointer;
    transition: var(--transition-fast);
}

.brand {
    font-size: 18px;
    font-weight: 700;
    background: var(--dmt-gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    letter-spacing: -0.5px;
}

.brand-container:hover {
    transform: translateY(-1px);
}

/* Search */
.search-container {
    flex: 1;
    max-width: 500px;
    display: flex;
    gap: 8px;
}

.search-input {
    flex: 1;
    height: 36px;
    border: 1px solid var(--glass-border);
    border-radius: 10px;
    padding: 0 14px;
    background: var(--glass-bg);
    backdrop-filter: var(--blur);
    -webkit-backdrop-filter: var(--blur);
    color: var(--ink);
    transition: var(--transition-fast);
}

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

.search-input:focus {
    outline: none;
    border-color: var(--dmt-purple);
    background: var(--glass-bg-strong);
    box-shadow: 0 0 0 3px rgba(196, 113, 245, 0.2), var(--glass-shadow);
}

.search-btn {
    background: none;
    border: none;
    cursor: pointer;
    padding: 6px 10px;
    font-size: 16px;
    color: var(--muted);
    transition: var(--transition-fast);
    border-radius: 8px;
}

.search-btn:hover {
    background: var(--glass-bg);
    color: var(--ink);
}

/* View Toggle */
.view-toggle {
    display: flex;
    gap: 4px;
    background: var(--glass-bg);
    padding: 4px;
    border-radius: 10px;
    border: 1px solid var(--glass-border);
}

.view-btn {
    background: none;
    border: none;
    cursor: pointer;
    padding: 6px 12px;
    border-radius: 8px;
    font-size: 16px;
    transition: var(--transition-fast);
    color: var(--muted);
}

.view-btn:hover {
    background: var(--glass-bg-strong);
    color: var(--ink);
}

.view-btn.active {
    background: var(--glass-bg-strong);
    color: var(--ink);
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.3);
}

/* Buttons */
.header-actions {
    display: flex;
    align-items: center;
    gap: 12px;
    font-size: 12px;
    font-weight: 600;
    white-space: nowrap;
    color: var(--ink-secondary);
    letter-spacing: 0.02em;
}

.upload-btn, .docs-btn, .generate-btn {
    padding: 10px 18px;
    background: var(--dmt-gradient);
    color: #fff;
    border: none;
    border-radius: 10px;
    font-size: 13px;
    font-weight: 600;
    cursor: pointer;
    transition: var(--transition-fast);
    box-shadow: 0 2px 8px rgba(196, 113, 245, 0.3);
}

.upload-btn:hover, .docs-btn:hover, .generate-btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 4px 16px rgba(196, 113, 245, 0.4);
}

.btn {
    padding: 10px 18px;
    background: var(--glass-bg);
    color: var(--ink);
    border: 1px solid var(--glass-border);
    border-radius: 10px;
    font-size: 13px;
    font-weight: 600;
    cursor: pointer;
    transition: var(--transition-fast);
}

.btn:hover {
    background: var(--glass-bg-strong);
    transform: translateY(-1px);
}

.btn-secondary {
    background: var(--glass-bg);
    color: var(--muted);
}

.btn-secondary:hover {
    background: var(--glass-bg-strong);
    color: var(--ink);
}

/* Cards */
.card, .glass-card {
    background: var(--glass-bg);
    backdrop-filter: var(--blur);
    -webkit-backdrop-filter: var(--blur);
    border: 1px solid var(--glass-border);
    border-radius: 16px;
    padding: 20px;
    box-shadow: var(--glass-shadow);
    transition: var(--transition-smooth);
}

.card:hover, .glass-card:hover {
    background: var(--glass-bg-strong);
    box-shadow: var(--glass-shadow-strong);
    transform: translateY(-2px);
}

/* File Cards */
.file-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(260px, 1fr));
    gap: 16px;
    padding: 20px 0;
}

.file-card {
    position: relative;
    background: var(--glass-bg);
    backdrop-filter: var(--blur);
    -webkit-backdrop-filter: var(--blur);
    border: 1px solid var(--glass-border);
    border-radius: 16px;
    padding: 16px;
    cursor: pointer;
    transition: var(--transition-smooth);
    overflow: hidden;
}

.file-card:hover {
    background: var(--glass-bg-strong);
    box-shadow: var(--glass-shadow-strong);
    transform: translateY(-4px) scale(1.02);
    border-color: var(--glass-border-strong);
}

.file-preview {
    width: 100%;
    aspect-ratio: 16/9;
    background: var(--bg-secondary);
    border-radius: 12px;
    overflow: hidden;
    margin-bottom: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
}

.file-preview img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.file-name {
    font-weight: 600;
    color: var(--ink);
    margin-bottom: 8px;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.file-meta {
    display: flex;
    gap: 8px;
    flex-wrap: wrap;
    font-size: 12px;
    color: var(--muted);
    margin-bottom: 8px;
}

.file-actions {
    display: flex;
    gap: 6px;
    flex-wrap: wrap;
    margin-top: 12px;
}

.action-btn {
    padding: 6px 12px;
    background: var(--glass-bg);
    border: 1px solid var(--glass-border);
    border-radius: 8px;
    font-size: 12px;
    font-weight: 500;
    cursor: pointer;
    transition: var(--transition-fast);
    color: var(--ink-secondary);
}

.action-btn:hover {
    background: var(--glass-bg-strong);
    color: var(--ink);
    transform: translateY(-1px);
}

/* Modal */
.modal {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.6);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    z-index: 2000;
    align-items: center;
    justify-content: center;
    padding: 20px;
    animation: fadeIn 0.2s ease;
}

.modal.active {
    display: flex;
}

.modal-content {
    background: var(--glass-bg-strong);
    backdrop-filter: saturate(180%) var(--blur-strong);
    -webkit-backdrop-filter: saturate(180%) var(--blur-strong);
    border: 1px solid var(--glass-border-strong);
    border-radius: 20px;
    max-width: 600px;
    width: 100%;
    max-height: 90vh;
    overflow-y: auto;
    padding: 30px;
    box-shadow: var(--glass-shadow-strong);
    position: relative;
    animation: slideUp 0.3s ease;
}

.modal-header {
    font-size: 20px;
    font-weight: 700;
    margin-bottom: 20px;
    background: var(--dmt-gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    display: flex;
    justify-content: space-between;
    align-items: center;
    letter-spacing: -0.02em;
}

.close-btn {
    background: var(--glass-bg);
    border: 1px solid var(--glass-border);
    border-radius: 10px;
    font-size: 24px;
    color: var(--ink);
    cursor: pointer;
    padding: 0;
    width: 36px;
    height: 36px;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: var(--transition-fast);
    line-height: 1;
    opacity: 0.7;
}

.close-btn:hover {
    background: var(--glass-bg-strong);
    color: var(--ink);
    opacity: 1;
    transform: rotate(90deg);
}

/* Forms */
.form-group {
    margin-bottom: 18px;
}

.form-label {
    display: block;
    margin-bottom: 8px;
    font-weight: 600;
    color: var(--ink-secondary);
    font-size: 13px;
}

.form-input, .form-textarea, .form-select {
    width: 100%;
    padding: 12px 16px;
    background: var(--glass-bg);
    border: 1px solid var(--glass-border);
    border-radius: 10px;
    color: var(--ink);
    font-size: 14px;
    transition: var(--transition-fast);
}

.form-input:focus, .form-textarea:focus, .form-select:focus {
    outline: none;
    border-color: var(--dmt-purple);
    background: var(--glass-bg-strong);
    box-shadow: 0 0 0 3px rgba(196, 113, 245, 0.2);
}

.form-textarea {
    min-height: 100px;
    resize: vertical;
}

/* Badge */
.badge, .tag {
    display: inline-block;
    padding: 4px 10px;
    background: var(--glass-bg);
    border: 1px solid var(--glass-border);
    border-radius: 6px;
    font-size: 11px;
    font-weight: 600;
    color: var(--ink-secondary);
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

/* Sidebar */
.sidebar {
    width: 240px;
    background: var(--glass-bg);
    backdrop-filter: var(--blur);
    -webkit-backdrop-filter: var(--blur);
    border: 1px solid var(--glass-border);
    border-radius: 16px;
    padding: 20px;
    box-shadow: var(--glass-shadow);
}

.sidebar-section {
    margin-bottom: 24px;
}

.sidebar-title {
    font-size: 12px;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 1px;
    color: var(--muted);
    margin-bottom: 12px;
}

.category-item {
    padding: 10px 12px;
    margin-bottom: 6px;
    border-radius: 10px;
    cursor: pointer;
    transition: var(--transition-fast);
    color: var(--ink-secondary);
    font-size: 14px;
    font-weight: 500;
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.category-item:hover {
    background: var(--glass-bg);
    color: var(--ink);
}

.category-item.active {
    background: var(--glass-bg-strong);
    color: var(--ink);
    font-weight: 600;
}

/* Loading spinner */
.spinner {
    border: 3px solid var(--glass-border);
    border-top: 3px solid var(--dmt-purple);
    border-radius: 50%;
    width: 24px;
    height: 24px;
    animation: spin 1s linear infinite;
}

/* Stats */
.stat-number {
    font-size: 32px;
    font-weight: 700;
    background: var(--dmt-gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

/* Utility */
.hidden {
    display: none !important;
}

/* Responsive */
@media (max-width: 768px) {
    .header-inner {
        flex-wrap: wrap;
    }
    .search-container {
        order: 3;
        width: 100%;
        max-width: none;
    }
    .file-grid {
        grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
    }
    .sidebar {
        width: 100%;
    }
}