/* =====================================================
   TheShow PDF Sharing Platform - Main Stylesheet
   ===================================================== */

:root {
    --primary: #4F46E5;
    --primary-dark: #4338CA;
    --primary-light: #6366F1;
    --success: #10B981;
    --danger: #EF4444;
    --warning: #F59E0B;
    --info: #3B82F6;
    --gray-50: #F9FAFB;
    --gray-100: #F3F4F6;
    --gray-200: #E5E7EB;
    --gray-300: #D1D5DB;
    --gray-400: #9CA3AF;
    --gray-500: #6B7280;
    --gray-600: #4B5563;
    --gray-700: #374151;
    --gray-800: #1F2937;
    --gray-900: #111827;
    --white: #FFFFFF;
    --sidebar-width: 260px;
    --topbar-height: 70px;
    --border-radius: 8px;
    --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
    --shadow: 0 1px 3px 0 rgba(0, 0, 0, 0.1);
    --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1);
    --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1);
}

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

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
    font-size: 14px;
    line-height: 1.6;
    color: var(--gray-800);
    background: var(--gray-50);
}

/* ===== AUTH PAGES ===== */
.auth-page {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, var(--primary) 0%, var(--primary-dark) 100%);
    padding: 20px;
}

.auth-container {
    width: 100%;
    max-width: 450px;
}

.auth-box {
    background: var(--white);
    border-radius: var(--border-radius);
    box-shadow: var(--shadow-lg);
    padding: 40px;
}

.auth-header {
    text-align: center;
    margin-bottom: 30px;
}

.auth-header h1 {
    font-size: 24px;
    font-weight: 700;
    color: var(--gray-900);
    margin-bottom: 8px;
}

.auth-header p {
    font-size: 14px;
    color: var(--gray-500);
}

.auth-form .form-group {
    margin-bottom: 20px;
}

.auth-form .form-row {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.auth-footer {
    text-align: center;
    margin-top: 24px;
    padding-top: 24px;
    border-top: 1px solid var(--gray-200);
}

.language-selector {
    display: flex;
    justify-content: center;
    gap: 12px;
    margin-top: 24px;
    padding-top: 20px;
    border-top: 1px solid var(--gray-200);
}

.lang-option {
    font-size: 13px;
    color: var(--gray-600);
    text-decoration: none;
    padding: 6px 12px;
    border-radius: 4px;
    transition: all 0.2s;
}

.lang-option:hover {
    background: var(--gray-100);
    color: var(--primary);
}

.lang-option.active {
    background: var(--primary);
    color: var(--white);
}

/* ===== APP LAYOUT ===== */
.app-layout {
    display: flex;
    min-height: 100vh;
}

/* ===== SIDEBAR ===== */
.sidebar {
    width: var(--sidebar-width);
    background: var(--white);
    border-right: 1px solid var(--gray-200);
    display: flex;
    flex-direction: column;
    position: fixed;
    height: 100vh;
    left: 0;
    top: 0;
    z-index: 100;
}

.sidebar-header {
    padding: 24px 20px;
    border-bottom: 1px solid var(--gray-200);
}

.sidebar-header h1 {
    font-size: 20px;
    font-weight: 700;
    color: var(--primary);
}

.sidebar-nav {
    flex: 1;
    padding: 20px 0;
    overflow-y: auto;
}

.nav-item {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 12px 20px;
    color: var(--gray-700);
    text-decoration: none;
    transition: all 0.2s;
    font-size: 14px;
    font-weight: 500;
}

.nav-item:hover {
    background: var(--gray-50);
    color: var(--primary);
}

.nav-item.active {
    background: var(--primary-light);
    color: var(--white);
    border-right: 3px solid var(--primary);
}

.nav-item svg {
    flex-shrink: 0;
}

.sidebar-footer {
    padding: 20px 0;
    border-top: 1px solid var(--gray-200);
}

/* ===== MAIN CONTENT ===== */
.main-content {
    flex: 1;
    margin-left: var(--sidebar-width);
    display: flex;
    flex-direction: column;
}

/* ===== TOP BAR ===== */
.top-bar {
    height: var(--topbar-height);
    background: var(--white);
    border-bottom: 1px solid var(--gray-200);
    padding: 0 30px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    position: sticky;
    top: 0;
    z-index: 50;
}

.top-bar-left h2 {
    font-size: 20px;
    font-weight: 600;
    color: var(--gray-900);
}

.top-bar-right {
    display: flex;
    align-items: center;
    gap: 20px;
}

.language-dropdown {
    position: relative;
}

.lang-btn {
    display: flex;
    align-items: center;
    gap: 6px;
    padding: 8px 12px;
    background: var(--white);
    border: 1px solid var(--gray-300);
    border-radius: 6px;
    cursor: pointer;
    font-size: 13px;
    color: var(--gray-700);
    transition: all 0.2s;
}

.lang-btn:hover {
    border-color: var(--primary);
}

.lang-dropdown-menu {
    position: absolute;
    top: 100%;
    right: 0;
    margin-top: 8px;
    background: var(--white);
    border: 1px solid var(--gray-200);
    border-radius: var(--border-radius);
    box-shadow: var(--shadow-lg);
    min-width: 150px;
    display: none;
}

.language-dropdown:hover .lang-dropdown-menu {
    display: block;
}

.user-menu {
    display: flex;
    align-items: center;
    gap: 12px;
}

.user-avatar {
    width: 40px;
    height: 40px;
    border-radius: 50%;
    background: var(--primary);
    color: var(--white);
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 600;
    font-size: 16px;
}

.user-info {
    display: flex;
    flex-direction: column;
}

.user-name {
    font-size: 14px;
    font-weight: 600;
    color: var(--gray-900);
}

.user-role {
    font-size: 12px;
    color: var(--gray-500);
}

/* ===== PAGE CONTENT ===== */
.page-content {
    flex: 1;
    padding: 30px;
}

.dashboard-container {
    max-width: 1400px;
}

/* ===== BREADCRUMB ===== */
.breadcrumb {
    display: flex;
    align-items: center;
    gap: 8px;
    margin-bottom: 24px;
    font-size: 14px;
}

.breadcrumb a {
    color: var(--primary);
    text-decoration: none;
}

.breadcrumb span {
    color: var(--gray-400);
}

/* ===== SECTION HEADER ===== */
.section-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 24px;
}

.section-header h2 {
    font-size: 24px;
    font-weight: 700;
    color: var(--gray-900);
}

/* ===== STATS GRID ===== */
.stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 24px;
    margin-bottom: 30px;
}

.stat-card {
    background: var(--white);
    border-radius: var(--border-radius);
    box-shadow: var(--shadow);
    padding: 24px;
    display: flex;
    gap: 16px;
}

.stat-icon {
    width: 56px;
    height: 56px;
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--primary-light);
    color: var(--white);
    flex-shrink: 0;
}

.stat-icon.admin-primary {
    background: linear-gradient(135deg, #667EEA 0%, #764BA2 100%);
}

.stat-icon.admin-success {
    background: linear-gradient(135deg, #10B981 0%, #059669 100%);
}

.stat-icon.admin-info {
    background: linear-gradient(135deg, #3B82F6 0%, #2563EB 100%);
}

.stat-icon.admin-warning {
    background: linear-gradient(135deg, #F59E0B 0%, #D97706 100%);
}

.stat-content h3 {
    font-size: 28px;
    font-weight: 700;
    color: var(--gray-900);
    margin-bottom: 4px;
}

.stat-content p {
    font-size: 14px;
    color: var(--gray-500);
}

/* ===== CARD ===== */
.card {
    background: var(--white);
    border-radius: var(--border-radius);
    box-shadow: var(--shadow);
    margin-bottom: 24px;
}

.card-header {
    padding: 20px 24px;
    border-bottom: 1px solid var(--gray-200);
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.card-header h3 {
    font-size: 18px;
    font-weight: 600;
    color: var(--gray-900);
}

.card-body {
    padding: 24px;
}

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

.form-group label {
    display: block;
    font-size: 14px;
    font-weight: 500;
    color: var(--gray-700);
    margin-bottom: 8px;
}

.form-group input[type="text"],
.form-group input[type="email"],
.form-group input[type="password"],
.form-group input[type="number"],
.form-group textarea,
.form-group select {
    width: 100%;
    padding: 10px 14px;
    border: 1px solid var(--gray-300);
    border-radius: 6px;
    font-size: 14px;
    transition: all 0.2s;
}

.form-group input:focus,
.form-group textarea:focus,
.form-group select:focus {
    outline: none;
    border-color: var(--primary);
    box-shadow: 0 0 0 3px rgba(79, 70, 229, 0.1);
}

.form-group textarea {
    resize: vertical;
    font-family: inherit;
}

.form-text {
    display: block;
    font-size: 12px;
    color: var(--gray-500);
    margin-top: 6px;
}

.checkbox-label {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 14px;
    color: var(--gray-700);
    cursor: pointer;
}

.radio-group {
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.radio-label {
    display: flex;
    flex-direction: column;
    padding: 16px;
    border: 2px solid var(--gray-200);
    border-radius: var(--border-radius);
    cursor: pointer;
    transition: all 0.2s;
}

.radio-label:hover {
    border-color: var(--primary);
}

.radio-label input[type="radio"] {
    margin-right: 8px;
}

.radio-label span {
    font-weight: 500;
    color: var(--gray-900);
}

.radio-label small {
    color: var(--gray-500);
    margin-top: 4px;
    font-size: 13px;
}

/* ===== BUTTONS ===== */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    padding: 10px 20px;
    font-size: 14px;
    font-weight: 500;
    border-radius: 6px;
    border: none;
    cursor: pointer;
    transition: all 0.2s;
    text-decoration: none;
}

.btn-primary {
    background: var(--primary);
    color: var(--white);
}

.btn-primary:hover {
    background: var(--primary-dark);
}

.btn-outline {
    background: var(--white);
    border: 1px solid var(--gray-300);
    color: var(--gray-700);
}

.btn-outline:hover {
    border-color: var(--primary);
    color: var(--primary);
}

.btn-success {
    background: var(--success);
    color: var(--white);
}

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

.btn-warning {
    background: var(--warning);
    color: var(--white);
}

.btn-sm {
    padding: 6px 12px;
    font-size: 13px;
}

.btn-block {
    width: 100%;
}

.btn-icon {
    width: 36px;
    height: 36px;
    padding: 0;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 6px;
    background: var(--white);
    border: 1px solid var(--gray-300);
    cursor: pointer;
    transition: all 0.2s;
}

.btn-icon:hover {
    border-color: var(--primary);
    color: var(--primary);
}

/* ===== BADGES ===== */
.badge {
    display: inline-block;
    padding: 4px 10px;
    font-size: 12px;
    font-weight: 500;
    border-radius: 12px;
}

.badge-success {
    background: #D1FAE5;
    color: #065F46;
}

.badge-danger {
    background: #FEE2E2;
    color: #991B1B;
}

.badge-warning {
    background: #FEF3C7;
    color: #92400E;
}

.badge-info {
    background: #DBEAFE;
    color: #1E40AF;
}

/* ===== ALERTS ===== */
.alert {
    padding: 16px 20px;
    border-radius: var(--border-radius);
    margin-bottom: 20px;
    font-size: 14px;
}

.alert-success {
    background: #D1FAE5;
    color: #065F46;
    border: 1px solid #6EE7B7;
}

.alert-error {
    background: #FEE2E2;
    color: #991B1B;
    border: 1px solid #FCA5A5;
}

.alert-warning {
    background: #FEF3C7;
    color: #92400E;
    border: 1px solid #FCD34D;
}

/* ===== TABLE ===== */
.table-responsive {
    overflow-x: auto;
}

.data-table {
    width: 100%;
    border-collapse: collapse;
}

.data-table thead {
    background: var(--gray-50);
}

.data-table th {
    padding: 12px 16px;
    text-align: left;
    font-size: 13px;
    font-weight: 600;
    color: var(--gray-700);
    border-bottom: 1px solid var(--gray-200);
}

.data-table td {
    padding: 16px;
    border-bottom: 1px solid var(--gray-200);
    font-size: 14px;
}

.data-table tbody tr:hover {
    background: var(--gray-50);
}

.file-info {
    display: flex;
    align-items: center;
    gap: 12px;
}

.action-buttons {
    display: flex;
    gap: 8px;
}

/* ===== MODALS ===== */
.modal {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.5);
    z-index: 1000;
    align-items: center;
    justify-content: center;
    padding: 20px;
}

.modal-content {
    background: var(--white);
    border-radius: var(--border-radius);
    max-width: 600px;
    width: 100%;
    max-height: 90vh;
    overflow-y: auto;
}

.modal-sm {
    max-width: 400px;
}

.modal-header {
    padding: 24px;
    border-bottom: 1px solid var(--gray-200);
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.modal-header h3 {
    font-size: 18px;
    font-weight: 600;
}

.modal-close {
    width: 32px;
    height: 32px;
    border: none;
    background: none;
    font-size: 24px;
    cursor: pointer;
    color: var(--gray-400);
}

.modal-body {
    padding: 24px;
}

.modal-footer {
    display: flex;
    justify-content: flex-end;
    gap: 12px;
    padding-top: 20px;
    margin-top: 20px;
    border-top: 1px solid var(--gray-200);
}

/* ===== FILE UPLOAD ===== */
.file-upload-area {
    border: 2px dashed var(--gray-300);
    border-radius: var(--border-radius);
    padding: 40px 20px;
    text-align: center;
    cursor: pointer;
    transition: all 0.2s;
    position: relative;
}

.file-upload-area:hover {
    border-color: var(--primary);
    background: var(--gray-50);
}

.file-upload-area.dragover {
    border-color: var(--primary);
    background: var(--primary-light);
}

.file-upload-area input[type="file"] {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    opacity: 0;
    cursor: pointer;
}

.upload-placeholder svg {
    color: var(--gray-400);
    margin-bottom: 16px;
}

.upload-placeholder p {
    font-size: 16px;
    font-weight: 500;
    color: var(--gray-900);
    margin-bottom: 8px;
}

.upload-placeholder span {
    font-size: 14px;
    color: var(--gray-500);
    display: block;
    margin-bottom: 8px;
}

.upload-placeholder small {
    font-size: 12px;
    color: var(--gray-400);
}

.file-selected {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 12px;
    background: var(--gray-50);
    border-radius: 6px;
}

.file-selected svg {
    color: var(--primary);
}

.file-selected button {
    margin-left: auto;
    background: none;
    border: none;
    font-size: 20px;
    cursor: pointer;
    color: var(--gray-400);
}

/* ===== EMPTY STATE ===== */
.empty-state {
    text-align: center;
    padding: 60px 20px;
}

.empty-state svg {
    color: var(--gray-300);
    margin-bottom: 20px;
}

.empty-state h3 {
    font-size: 18px;
    color: var(--gray-900);
    margin-bottom: 8px;
}

.empty-state p {
    font-size: 14px;
    color: var(--gray-500);
    margin-bottom: 24px;
}

.empty-state-small {
    text-align: center;
    padding: 40px 20px;
}

/* ===== LINKS ===== */
.link-primary {
    color: var(--primary);
    text-decoration: none;
    font-weight: 500;
}

.link-primary:hover {
    text-decoration: underline;
}

/* ===== GRIDS ===== */
.analytics-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 24px;
    margin-top: 24px;
}

.settings-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(400px, 1fr));
    gap: 24px;
}

.admin-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(400px, 1fr));
    gap: 24px;
    margin-top: 24px;
}

/* ===== SHARE LINKS ===== */
.share-links-list {
    display: flex;
    flex-direction: column;
    gap: 16px;
}

.share-link-item {
    border: 1px solid var(--gray-200);
    border-radius: var(--border-radius);
    padding: 20px;
}

.link-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 12px;
}

.link-date {
    font-size: 13px;
    color: var(--gray-500);
}

.link-url {
    display: flex;
    gap: 8px;
    margin-bottom: 12px;
}

.link-url input {
    flex: 1;
    padding: 8px 12px;
    border: 1px solid var(--gray-300);
    border-radius: 6px;
    font-size: 13px;
    background: var(--gray-50);
}

.link-stats {
    display: flex;
    gap: 16px;
    font-size: 13px;
    color: var(--gray-600);
    margin-bottom: 12px;
}

.link-actions {
    display: flex;
    gap: 8px;
    padding-top: 12px;
    border-top: 1px solid var(--gray-200);
}

/* ===== DOCUMENT/USER LISTS ===== */
.user-list, .document-list {
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.user-item, .document-item {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 12px;
    border-radius: 6px;
    transition: background 0.2s;
}

.user-item:hover, .document-item:hover {
    background: var(--gray-50);
}

.user-avatar-sm {
    width: 36px;
    height: 36px;
    border-radius: 50%;
    background: var(--primary);
    color: var(--white);
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 600;
    font-size: 14px;
    flex-shrink: 0;
}

.user-details {
    flex: 1;
}

.user-name {
    font-weight: 500;
    color: var(--gray-900);
}

.user-email {
    font-size: 13px;
    color: var(--gray-500);
}

.doc-icon {
    width: 40px;
    height: 40px;
    border-radius: 8px;
    background: var(--gray-100);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--primary);
}

.doc-details {
    flex: 1;
}

.doc-name {
    font-weight: 500;
    color: var(--gray-900);
}

.doc-owner {
    font-size: 13px;
    color: var(--gray-500);
}

.doc-views {
    font-size: 13px;
    color: var(--gray-600);
    font-weight: 500;
}

.user-cell {
    display: flex;
    align-items: center;
    gap: 12px;
}

/* ===== FORM FIELDS ===== */
.form-field-item {
    display: flex;
    gap: 12px;
    align-items: center;
    padding: 12px;
    background: var(--gray-50);
    border-radius: 6px;
    margin-bottom: 12px;
}

.form-field-item input[type="text"] {
    flex: 1;
}

.form-field-item select {
    width: 150px;
}

/* ===== DOCUMENT INFO ===== */
.document-info-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 20px;
}

.info-item label {
    display: block;
    font-size: 13px;
    color: var(--gray-500);
    margin-bottom: 6px;
}

.info-item p {
    font-size: 15px;
    color: var(--gray-900);
    font-weight: 500;
}

.info-item.full-width {
    grid-column: 1 / -1;
}

/* ===== SETTINGS SECTIONS ===== */
.settings-sections {
    display: flex;
    flex-direction: column;
    gap: 24px;
    margin-bottom: 24px;
}

.form-actions {
    display: flex;
    justify-content: flex-end;
    padding-top: 24px;
}

/* ===== TEXT UTILITIES ===== */
.text-center {
    text-align: center;
}

.text-muted {
    color: var(--gray-500);
}

.required {
    color: var(--danger);
}

/* ===== RESPONSIVE ===== */
@media (max-width: 1024px) {
    .sidebar {
        transform: translateX(-100%);
    }
    
    .main-content {
        margin-left: 0;
    }
}

@media (max-width: 768px) {
    .stats-grid {
        grid-template-columns: 1fr;
    }
    
    .analytics-grid,
    .settings-grid,
    .admin-grid {
        grid-template-columns: 1fr;
    }
    
    .top-bar {
        padding: 0 16px;
    }
    
    .page-content {
        padding: 20px 16px;
    }
}