/* ============================================================================
   Mercedes DFE Selenium Automations - Web GUI Styles
   Light Theme - Standalone automation tool
   ============================================================================ */

/* CSS Variables - Light Theme */
:root {
    --bg-primary: #f5f7fa;
    --bg-secondary: #ffffff;
    --bg-card: #ffffff;
    --bg-card-hover: #f8fafc;
    --border-color: #e2e8f0;

    --accent: #0d9488;
    --accent-hover: #0f766e;
    --accent-light: rgba(13, 148, 136, 0.08);
    --success: #0d9488;
    --warning: #d97706;
    --error: #dc2626;
    --info: #0284c7;

    --text-primary: #1e293b;
    --text-secondary: #64748b;
    --text-muted: #94a3b8;

    --font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, sans-serif;
    --font-mono: 'SF Mono', Monaco, 'Consolas', monospace;

    --radius-sm: 4px;
    --radius-md: 8px;
    --radius-lg: 12px;

    --shadow: 0 1px 3px rgba(0, 0, 0, 0.08), 0 1px 2px rgba(0, 0, 0, 0.06);
    --shadow-lg: 0 4px 12px rgba(0, 0, 0, 0.1);

    --transition: all 0.2s ease;
}

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

body {
    font-family: var(--font-family);
    background: var(--bg-primary);
    min-height: 100vh;
    color: var(--text-primary);
    line-height: 1.5;
}

/* Header */
.header {
    background: var(--bg-secondary);
    border-bottom: 1px solid var(--border-color);
    padding: 12px 20px;
    position: sticky;
    top: 0;
    z-index: 100;
    box-shadow: 0 1px 3px rgba(0, 0, 0, 0.05);
}

.header-content {
    max-width: 1800px;
    margin: 0 auto;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.logo {
    display: flex;
    align-items: center;
    gap: 10px;
    font-size: 1.4rem;
    font-weight: 600;
    color: var(--accent);
}

.logo i { font-size: 1.6rem; }

/* Navigation */
.main-nav {
    display: flex;
    gap: 5px;
    background: var(--bg-primary);
    padding: 5px;
    border-radius: var(--radius-lg);
}

.nav-btn {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 10px 20px;
    background: transparent;
    border: none;
    border-radius: var(--radius-md);
    color: var(--text-secondary);
    font-size: 0.9rem;
    font-weight: 500;
    cursor: pointer;
    transition: var(--transition);
    position: relative;
}

.nav-btn:hover { color: var(--text-primary); background: var(--bg-secondary); }
.nav-btn.active { color: var(--accent); background: var(--bg-secondary); box-shadow: var(--shadow); }

.nav-badge {
    background: var(--accent);
    color: #ffffff;
    font-size: 0.7rem;
    font-weight: 700;
    padding: 2px 6px;
    border-radius: 10px;
    min-width: 18px;
    text-align: center;
}

.header-status { display: flex; align-items: center; gap: 20px; }

.status-indicator { display: flex; align-items: center; gap: 8px; font-size: 0.9rem; }
.status-indicator.online { color: var(--success); }
.status-indicator.offline { color: var(--text-muted); }
.status-indicator i { font-size: 0.6rem; }

/* Main Content */
.main-content { max-width: 1800px; margin: 0 auto; padding: 20px; }

/* Login Panel */
.login-panel { max-width: 400px; margin: 100px auto; }
.login-panel .panel-header h2 { display: flex; align-items: center; gap: 10px; }

.form-group { margin-bottom: 20px; }
.form-group label { display: block; margin-bottom: 8px; color: var(--text-secondary); font-size: 0.9rem; }

.form-group input[type="text"],
.form-group input[type="password"] {
    width: 100%;
    padding: 12px 15px;
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    background: var(--bg-secondary);
    color: var(--text-primary);
    font-size: 1rem;
    transition: var(--transition);
}

.form-group input:focus { outline: none; border-color: var(--accent); box-shadow: 0 0 0 3px rgba(13, 148, 136, 0.1); }

.form-actions { margin-top: 30px; }

.error-message {
    margin-top: 15px;
    padding: 12px;
    background: rgba(220, 38, 38, 0.05);
    border: 1px solid var(--error);
    border-radius: var(--radius-md);
    color: var(--error);
    font-size: 0.9rem;
}

.saved-credentials { margin-top: 20px; padding-top: 20px; border-top: 1px solid var(--border-color); text-align: center; }
.saved-credentials p { margin-bottom: 15px; color: var(--text-secondary); }

/* Dashboard Layout */
.dashboard { display: grid; grid-template-columns: 420px 1fr 300px; gap: 20px; min-height: calc(100vh - 100px); }

@media (max-width: 1600px) { .dashboard { grid-template-columns: 380px 1fr; } .history-sidebar { display: none; } }
@media (max-width: 1000px) { .dashboard { grid-template-columns: 1fr; } .config-sidebar { order: 1; } .main-section { order: 0; } }

/* Panels */
.panel { background: var(--bg-card); border: 1px solid var(--border-color); border-radius: var(--radius-lg); overflow: hidden; box-shadow: var(--shadow); }

.panel-header {
    padding: 15px 20px;
    background: var(--bg-primary);
    border-bottom: 1px solid var(--border-color);
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.panel-header h3 { font-size: 1rem; font-weight: 600; display: flex; align-items: center; gap: 10px; color: var(--accent); }
.panel-header-actions { display: flex; align-items: center; gap: 10px; }
.panel-body { padding: 20px; }

/* Sidebar */
.sidebar { display: flex; flex-direction: column; gap: 20px; }

/* Configuration Steps */
.config-step { margin-bottom: 25px; padding-bottom: 25px; border-bottom: 1px solid var(--border-color); }
.config-step:last-of-type { border-bottom: none; margin-bottom: 0; padding-bottom: 0; }

.step-header { display: flex; align-items: center; gap: 10px; margin-bottom: 15px; }

.step-number {
    width: 24px; height: 24px;
    background: var(--accent);
    color: #ffffff;
    border-radius: 50%;
    display: flex; align-items: center; justify-content: center;
    font-size: 0.75rem; font-weight: 700;
}

.step-title { flex: 1; font-weight: 500; }
.step-count { font-size: 0.8rem; color: var(--accent); background: var(--accent-light); padding: 3px 10px; border-radius: var(--radius-sm); }
.select-actions { display: flex; gap: 10px; margin-bottom: 10px; }
.checkbox-list { max-height: 200px; overflow-y: auto; padding-right: 5px; }
.checkbox-list::-webkit-scrollbar { width: 6px; }
.checkbox-list::-webkit-scrollbar-track { background: var(--bg-primary); border-radius: 3px; }
.checkbox-list::-webkit-scrollbar-thumb { background: var(--accent); border-radius: 3px; opacity: 0.5; }

.placeholder { color: var(--text-muted); font-size: 0.85rem; padding: 10px; text-align: center; }
.loading { color: var(--text-secondary); font-size: 0.85rem; padding: 10px; text-align: center; }

/* Groups Selector */
.groups-selector { margin-top: 10px; }
.groups-selector .checkbox-list { max-height: none; }
.groups-selector .groups-list { max-height: none; overflow-y: visible; }
.group-category { margin-bottom: 10px; border: 1px solid var(--border-color); border-radius: var(--radius-md); overflow: hidden; }

.group-category-header {
    display: flex; align-items: center; gap: 10px;
    font-size: 0.9rem; font-weight: 600; color: var(--text-primary);
    padding: 11px 14px; background: var(--bg-primary);
    cursor: pointer; transition: var(--transition);
}

.group-category-header:hover { background: #edf2f7; }
.group-category-header .expand-icon { width: 18px; color: var(--accent); font-size: 0.75rem; }
.group-category-header .type-name { flex: 1; color: var(--accent); font-size: 0.9rem; }
.group-category-header .type-count { font-size: 0.75rem; color: var(--accent); background: var(--accent-light); padding: 3px 10px; border-radius: var(--radius-sm); }

.select-type-checkbox { display: flex; align-items: center; cursor: pointer; padding: 2px; }
.select-type-checkbox input { display: none; }
.checkmark-small { width: 18px; height: 18px; border: 2px solid var(--border-color); border-radius: 3px; display: flex; align-items: center; justify-content: center; transition: var(--transition); }
.select-type-checkbox input:checked + .checkmark-small { background: var(--accent); border-color: var(--accent); }
.select-type-checkbox input:checked + .checkmark-small::after { content: '\f00c'; font-family: 'Font Awesome 6 Free'; font-weight: 900; font-size: 0.6rem; color: #ffffff; }

.group-category-items { padding: 8px 12px 12px; background: var(--bg-secondary); max-height: none; overflow-y: visible; }
.group-category-items .checkbox-label { padding: 8px 10px; font-size: 0.9rem; }

/* National Type (NT) Section */
.nt-section {
    margin: 6px 0 10px 16px; padding: 10px 14px;
    border-left: 3px solid var(--accent);
    background: var(--bg-primary); border-radius: 0 var(--radius-md) var(--radius-md) 0;
}
.nt-toggle {
    cursor: pointer; font-size: 0.88rem; color: var(--text-secondary);
    display: flex; align-items: center; gap: 8px; padding: 6px 10px;
    border-radius: var(--radius-sm); transition: var(--transition);
    font-weight: 500;
}
.nt-toggle:hover { color: var(--accent); background: var(--accent-light); }
.nt-toggle i { font-size: 0.7rem; width: 14px; }
.nt-count {
    background: var(--accent-light); color: var(--accent);
    border-radius: 8px; font-size: 0.78rem; font-weight: 600;
    padding: 2px 9px; margin-left: auto;
}
.nt-list { max-height: 250px; overflow-y: auto; margin-top: 6px; padding: 4px 0; }
.nt-list .checkbox-label { font-size: 0.88rem; padding: 7px 10px; border-radius: var(--radius-sm); }
.nt-list .checkbox-label:hover { background: var(--bg-secondary); }
.nt-all-toggle {
    font-weight: 600; border-bottom: 1px solid var(--border-color);
    margin-bottom: 4px; padding-bottom: 8px !important; color: var(--text-primary);
}

/* Download Options */
.download-options { display: flex; flex-direction: column; gap: 10px; }

.radio-option {
    display: flex; align-items: flex-start; gap: 12px; padding: 12px;
    background: var(--bg-primary); border: 2px solid var(--border-color);
    border-radius: var(--radius-md); cursor: pointer; transition: var(--transition);
}

.radio-option:hover { background: #edf2f7; border-color: rgba(13, 148, 136, 0.3); }
.radio-option input { display: none; }

.radio-mark {
    width: 18px; height: 18px;
    border: 2px solid var(--border-color);
    border-radius: 50%;
    display: flex; align-items: center; justify-content: center;
    flex-shrink: 0; margin-top: 2px;
    transition: var(--transition);
}

.radio-option input:checked + .radio-mark { border-color: var(--accent); }
.radio-option input:checked + .radio-mark::after { content: ''; width: 10px; height: 10px; background: var(--accent); border-radius: 50%; }
.radio-option input:checked ~ .radio-content .radio-title { color: var(--accent); }

.radio-content { display: flex; flex-direction: column; gap: 2px; }
.radio-title { font-size: 0.9rem; font-weight: 500; color: var(--text-primary); }
.radio-desc { font-size: 0.75rem; color: var(--text-secondary); }

/* Checkboxes */
.checkbox-group { margin-bottom: 10px; }

.checkbox-label {
    display: flex; align-items: center; gap: 10px; cursor: pointer;
    padding: 8px 10px; border-radius: var(--radius-sm);
    transition: var(--transition); font-size: 0.9rem;
}

.checkbox-label:hover { background: var(--bg-primary); }
.checkbox-label input[type="checkbox"] { display: none; }

.checkmark {
    width: 18px; height: 18px;
    border: 2px solid var(--border-color);
    border-radius: var(--radius-sm);
    display: flex; align-items: center; justify-content: center;
    transition: var(--transition); flex-shrink: 0;
}

.checkbox-label input:checked + .checkmark { background: var(--accent); border-color: var(--accent); }
.checkbox-label input:checked + .checkmark::after { content: '\f00c'; font-family: 'Font Awesome 6 Free'; font-weight: 900; font-size: 0.7rem; color: #ffffff; }

.checkbox-label.small { font-size: 0.8rem; padding: 4px 8px; }
.checkbox-label.small .checkmark { width: 14px; height: 14px; }

/* LOB Grid */
.lob-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 10px; }
.lob-item { cursor: pointer; }
.lob-item input { display: none; }

.lob-box {
    display: flex; flex-direction: column; align-items: center; gap: 5px;
    padding: 12px 8px; background: var(--bg-primary);
    border: 2px solid var(--border-color); border-radius: var(--radius-md);
    transition: var(--transition); font-size: 0.75rem;
}

.lob-box i { font-size: 1.2rem; color: var(--text-secondary); }
.lob-item input:checked + .lob-box { border-color: var(--accent); background: var(--accent-light); }
.lob-item input:checked + .lob-box i { color: var(--accent); }

/* Buttons */
.btn {
    display: inline-flex; align-items: center; justify-content: center; gap: 8px;
    padding: 10px 20px; border: none; border-radius: var(--radius-md);
    font-size: 0.9rem; font-weight: 500; cursor: pointer;
    transition: var(--transition); text-decoration: none;
}

.btn:disabled { opacity: 0.5; cursor: not-allowed; }
.btn-primary { background: var(--accent); color: #ffffff; }
.btn-primary:hover:not(:disabled) { background: var(--accent-hover); }
.btn-secondary { background: var(--bg-primary); color: var(--text-primary); border: 1px solid var(--border-color); }
.btn-secondary:hover:not(:disabled) { background: #edf2f7; }
.btn-danger { background: var(--error); color: #ffffff; }
.btn-danger:hover:not(:disabled) { background: #b91c1c; }
.btn-outline { background: transparent; border: 1px solid var(--border-color); color: var(--text-secondary); }
.btn-outline:hover:not(:disabled) { border-color: var(--accent); color: var(--accent); }
.btn-text { background: transparent; color: var(--text-secondary); padding: 5px 10px; }
.btn-text:hover { color: var(--accent); }
.btn-block { width: 100%; }
.btn-sm { padding: 6px 12px; font-size: 0.8rem; }
.btn-warning { background: var(--warning); color: #ffffff; }
.btn-warning:hover:not(:disabled) { background: #b45309; }
.btn-success { background: #059669; color: #fff; }
.btn-success:hover:not(:disabled) { background: #047857; }

.control-buttons { margin-top: 20px; }
.view-all-files-btn { margin-top: 15px; }

/* Progress Panel */
.header-right { display: flex; align-items: center; gap: 10px; }

.sse-status { display: inline-flex; align-items: center; gap: 6px; font-size: 0.75rem; padding: 4px 10px; border-radius: var(--radius-sm); }
.sse-status::before { content: ''; width: 8px; height: 8px; border-radius: 50%; }
.sse-status.connecting { background: rgba(217, 119, 6, 0.1); color: var(--warning); }
.sse-status.connecting::before { background: var(--warning); animation: pulse 1s infinite; }
.sse-status.connected { background: rgba(13, 148, 136, 0.1); color: var(--success); }
.sse-status.connected::before { background: var(--success); }
.sse-status.disconnected { background: rgba(220, 38, 38, 0.1); color: var(--error); }
.sse-status.disconnected::before { background: var(--error); }

.progress-panel .panel-body { padding: 25px; }
.progress-overall { margin-bottom: 25px; }
.progress-label { display: flex; justify-content: space-between; margin-bottom: 10px; font-size: 0.9rem; }
.progress-bar { height: 12px; background: var(--bg-primary); border-radius: 6px; overflow: hidden; border: 1px solid var(--border-color); }
.progress-fill { height: 100%; background: linear-gradient(90deg, var(--accent), var(--info)); border-radius: 6px; transition: width 0.3s ease; }

.current-step { margin-bottom: 25px; padding: 15px; background: var(--bg-primary); border-radius: var(--radius-md); border: 1px solid var(--border-color); }
.step-indicator { display: flex; align-items: center; justify-content: center; gap: 0; margin-bottom: 10px; }
.step-dot { width: 12px; height: 12px; background: var(--border-color); border-radius: 50%; transition: var(--transition); }
.step-dot.active { background: var(--accent); box-shadow: 0 0 10px rgba(13, 148, 136, 0.4); }
.step-dot.completed { background: var(--success); }
.step-line { width: 60px; height: 2px; background: var(--border-color); }
.step-labels { display: flex; justify-content: space-between; font-size: 0.8rem; color: var(--text-secondary); }

.stats-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 15px; margin-bottom: 20px; }
.stat-item { background: var(--bg-primary); padding: 15px; border-radius: var(--radius-md); text-align: center; border: 1px solid var(--border-color); }
.stat-item.stat-wide { grid-column: span 3; }
.stat-item.highlight { background: var(--accent-light); border: 1px solid rgba(13, 148, 136, 0.3); }
.stat-value { font-size: 1.5rem; font-weight: 700; color: var(--accent); }
.stat-label { font-size: 0.75rem; color: var(--text-secondary); margin-top: 5px; }

.current-operation { background: var(--bg-primary); padding: 12px 15px; border-radius: var(--radius-md); font-size: 0.85rem; display: flex; gap: 10px; border: 1px solid var(--border-color); }
.operation-label { color: var(--text-secondary); }
.operation-value { color: var(--accent); flex: 1; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }

/* Pending Downloads Section */
.pending-downloads-section { margin-top: 20px; background: var(--bg-primary); border-radius: var(--radius-md); padding: 15px; border: 1px solid var(--border-color); }
.pending-header { display: flex; justify-content: space-between; align-items: center; margin-bottom: 15px; }
.pending-header h4 { font-size: 0.9rem; color: var(--accent); display: flex; align-items: center; gap: 8px; }
.pending-list { max-height: 200px; overflow-y: auto; }
.pending-item { display: flex; justify-content: space-between; align-items: center; padding: 10px 12px; background: var(--bg-secondary); border-radius: var(--radius-sm); margin-bottom: 8px; border: 1px solid var(--border-color); }
.pending-item:last-child { margin-bottom: 0; }
.pending-item-info { flex: 1; min-width: 0; }
.pending-item-name { font-size: 0.85rem; color: var(--text-primary); white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.pending-item-count { font-size: 0.75rem; color: var(--text-secondary); }
.pending-item-actions { display: flex; gap: 8px; }
.pending-item-actions .btn { padding: 5px 10px; font-size: 0.75rem; }

/* Logs Panel */
.logs-panel { flex: 1; display: flex; flex-direction: column; min-height: 300px; }
.logs-panel .panel-body { flex: 1; display: flex; flex-direction: column; padding: 0; }
.log-controls { display: flex; align-items: center; gap: 15px; }
.select-sm { padding: 5px 10px; background: var(--bg-secondary); border: 1px solid var(--border-color); border-radius: var(--radius-sm); color: var(--text-primary); font-size: 0.8rem; }
.log-container { flex: 1; overflow-y: auto; padding: 15px; font-family: var(--font-mono); font-size: 0.8rem; background: #1e293b; max-height: 400px; }
.log-entry { padding: 4px 0; border-bottom: 1px solid rgba(255, 255, 255, 0.05); }
.log-entry.log-info { color: #94a3b8; }
.log-entry.log-warning { color: #fbbf24; }
.log-entry.log-error { color: #f87171; }

/* Badges */
.badge { display: inline-block; padding: 4px 10px; border-radius: var(--radius-sm); font-size: 0.75rem; font-weight: 600; text-transform: uppercase; }
.badge-idle { background: var(--bg-primary); color: var(--text-secondary); border: 1px solid var(--border-color); }
.badge-running { background: rgba(13, 148, 136, 0.1); color: var(--accent); animation: pulse 2s infinite; }
.badge-completed { background: rgba(13, 148, 136, 0.1); color: var(--success); }
.badge-failed { background: rgba(220, 38, 38, 0.1); color: var(--error); }
.badge-stopped { background: rgba(217, 119, 6, 0.1); color: var(--warning); }

@keyframes pulse { 0%, 100% { opacity: 1; } 50% { opacity: 0.6; } }

/* History & Files (Dashboard Sidebar) */
.history-list, .files-list { max-height: 250px; overflow-y: auto; }

.history-item, .file-item { padding: 12px; background: var(--bg-primary); border-radius: var(--radius-md); margin-bottom: 10px; transition: var(--transition); border: 1px solid var(--border-color); }
.history-item:hover, .file-item:hover { background: #edf2f7; }
.history-item .item-header, .file-item .item-header { display: flex; justify-content: space-between; align-items: center; margin-bottom: 8px; }
.history-item .item-date, .file-item .item-name { font-size: 0.85rem; font-weight: 500; }
.history-item .item-stats { display: flex; gap: 15px; font-size: 0.75rem; color: var(--text-secondary); }
.file-item .item-size { font-size: 0.75rem; color: var(--text-secondary); }
.file-item .download-btn { padding: 4px 10px; font-size: 0.75rem; }
.file-item .item-actions { display: flex; gap: 5px; }
.file-item .item-actions .btn { padding: 4px 8px; font-size: 0.7rem; }

/* API Link */
.api-link { text-align: center; }
.help-text { font-size: 0.75rem; color: var(--text-muted); margin-top: 10px; }

/* Main Section */
.main-section { display: flex; flex-direction: column; gap: 20px; }

/* Downloads View */
.downloads-view { display: flex; flex-direction: column; gap: 20px; }

/* Summary Cards */
.downloads-summary { display: grid; grid-template-columns: repeat(4, 1fr); gap: 20px; }
@media (max-width: 1200px) { .downloads-summary { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 600px) { .downloads-summary { grid-template-columns: 1fr; } }

.summary-card { display: flex; align-items: center; gap: 15px; padding: 20px; background: var(--bg-card); border: 1px solid var(--border-color); border-radius: var(--radius-lg); transition: var(--transition); box-shadow: var(--shadow); }
.summary-card:hover { background: var(--bg-card-hover); transform: translateY(-2px); box-shadow: var(--shadow-lg); }
.summary-icon { width: 50px; height: 50px; background: var(--accent-light); border-radius: var(--radius-md); display: flex; align-items: center; justify-content: center; }
.summary-icon i { font-size: 1.5rem; color: var(--accent); }
.summary-info { flex: 1; }
.summary-value { font-size: 1.5rem; font-weight: 700; color: var(--text-primary); }
.summary-label { font-size: 0.8rem; color: var(--text-secondary); margin-top: 2px; }

/* Downloads Main Grid */
.downloads-main { display: grid; grid-template-columns: 1fr 400px; gap: 20px; }
@media (max-width: 1200px) { .downloads-main { grid-template-columns: 1fr; } }

/* Downloads Panel */
.downloads-panel .panel-body { padding: 0; }

/* Search Box */
.search-box { position: relative; display: flex; align-items: center; }
.search-box i { position: absolute; left: 12px; color: var(--text-muted); font-size: 0.85rem; }
.search-box input { padding: 8px 12px 8px 35px; background: var(--bg-secondary); border: 1px solid var(--border-color); border-radius: var(--radius-md); color: var(--text-primary); font-size: 0.85rem; width: 200px; transition: var(--transition); }
.search-box input:focus { outline: none; border-color: var(--accent); }
.search-box input::placeholder { color: var(--text-muted); }

/* Batch Actions */
.batch-actions { display: flex; align-items: center; gap: 10px; padding: 12px 20px; background: var(--accent-light); border-bottom: 1px solid var(--border-color); }
.selected-count { font-size: 0.85rem; color: var(--text-secondary); margin-right: 10px; }
.selected-count span { color: var(--accent); font-weight: 600; }

/* Files Grid */
.files-grid { padding: 20px; display: grid; gap: 10px; max-height: 500px; overflow-y: auto; }

.file-card { display: flex; align-items: center; gap: 15px; padding: 15px; background: var(--bg-primary); border: 1px solid transparent; border-radius: var(--radius-md); cursor: pointer; transition: var(--transition); }
.file-card:hover { background: #edf2f7; border-color: var(--border-color); }
.file-card.selected { background: var(--accent-light); border-color: var(--accent); }
.file-card.active { border-color: var(--accent); box-shadow: 0 0 0 2px rgba(13, 148, 136, 0.15); }

.file-checkbox { flex-shrink: 0; }
.file-checkbox input { display: none; }
.file-checkbox .checkmark { width: 20px; height: 20px; }

.file-icon { width: 40px; height: 40px; background: var(--accent-light); border-radius: var(--radius-sm); display: flex; align-items: center; justify-content: center; flex-shrink: 0; }
.file-icon i { font-size: 1.2rem; color: var(--accent); }

.file-info { flex: 1; min-width: 0; }
.file-name { font-size: 0.9rem; font-weight: 500; color: var(--text-primary); white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.file-meta { display: flex; gap: 15px; margin-top: 4px; font-size: 0.75rem; color: var(--text-secondary); }
.file-meta span { display: flex; align-items: center; gap: 5px; }
.file-meta i { font-size: 0.7rem; }

.file-actions { display: flex; gap: 8px; opacity: 0; transition: var(--transition); }
.file-card:hover .file-actions { opacity: 1; }

/* Preview Panel */
.preview-panel { position: sticky; top: 80px; max-height: calc(100vh - 100px); display: flex; flex-direction: column; }
.preview-panel .panel-body { flex: 1; overflow: hidden; padding: 0; }
.preview-actions { display: flex; gap: 8px; }

.file-preview-container { height: 100%; overflow-y: auto; padding: 20px; }

.preview-placeholder-large { display: flex; flex-direction: column; align-items: center; justify-content: center; gap: 15px; height: 300px; color: var(--text-muted); text-align: center; }
.preview-placeholder-large i { font-size: 4rem; opacity: 0.3; }
.preview-placeholder-large span { font-size: 1rem; font-weight: 500; }
.preview-placeholder-large p { font-size: 0.85rem; }

.file-preview-info { margin-bottom: 20px; padding: 15px; background: var(--bg-primary); border-radius: var(--radius-md); border: 1px solid var(--border-color); }
.file-preview-name { font-size: 1rem; font-weight: 600; color: var(--text-primary); margin-bottom: 8px; word-break: break-all; }
.file-preview-meta { display: flex; flex-wrap: wrap; gap: 15px; font-size: 0.8rem; color: var(--text-secondary); }
.file-preview-meta span { display: flex; align-items: center; gap: 5px; }

.file-preview-content { background: #1e293b; border-radius: var(--radius-md); padding: 15px; font-family: var(--font-mono); font-size: 0.75rem; color: #cbd5e1; white-space: pre-wrap; word-break: break-all; max-height: 400px; overflow-y: auto; }

.json-key { color: #9cdcfe; }
.json-string { color: #ce9178; }
.json-number { color: #b5cea8; }
.json-boolean { color: #569cd6; }
.json-null { color: #569cd6; }

/* History Panel Full */
.history-panel-full { margin-top: 0; }
.history-table-container { overflow-x: auto; }
.history-table { width: 100%; border-collapse: collapse; font-size: 0.85rem; }
.history-table th { padding: 12px 15px; text-align: left; background: var(--bg-primary); color: var(--text-secondary); font-weight: 600; white-space: nowrap; }
.history-table td { padding: 12px 15px; border-bottom: 1px solid var(--border-color); color: var(--text-primary); }
.history-table tr:hover td { background: var(--bg-primary); }
.history-table .badge { font-size: 0.7rem; }
.history-actions { display: flex; gap: 5px; }
.history-actions .btn { padding: 4px 8px; font-size: 0.7rem; }

/* Toast Notifications */
.toast-container { position: fixed; bottom: 20px; right: 20px; display: flex; flex-direction: column; gap: 10px; z-index: 1000; }

.toast { display: flex; align-items: center; gap: 12px; padding: 15px 20px; background: var(--bg-card); border: 1px solid var(--border-color); border-radius: var(--radius-md); box-shadow: var(--shadow-lg); animation: slideIn 0.3s ease; min-width: 300px; max-width: 400px; }
.toast.success { border-left: 4px solid var(--success); }
.toast.error { border-left: 4px solid var(--error); }
.toast.warning { border-left: 4px solid var(--warning); }
.toast.info { border-left: 4px solid var(--info); }

.toast-icon { font-size: 1.2rem; }
.toast.success .toast-icon { color: var(--success); }
.toast.error .toast-icon { color: var(--error); }
.toast.warning .toast-icon { color: var(--warning); }
.toast.info .toast-icon { color: var(--info); }

.toast-content { flex: 1; }
.toast-title { font-weight: 600; font-size: 0.9rem; margin-bottom: 2px; }
.toast-message { font-size: 0.8rem; color: var(--text-secondary); }

.toast-close { background: none; border: none; color: var(--text-muted); cursor: pointer; padding: 5px; transition: var(--transition); }
.toast-close:hover { color: var(--text-primary); }

@keyframes slideIn { from { opacity: 0; transform: translateX(100px); } to { opacity: 1; transform: translateX(0); } }
@keyframes slideOut { from { opacity: 1; transform: translateX(0); } to { opacity: 0; transform: translateX(100px); } }
.toast.hiding { animation: slideOut 0.3s ease forwards; }

/* Animations */
@keyframes fadeIn { from { opacity: 0; transform: translateY(10px); } to { opacity: 1; transform: translateY(0); } }
.panel { animation: fadeIn 0.3s ease; }

/* Scrollbar */
::-webkit-scrollbar { width: 8px; height: 8px; }
::-webkit-scrollbar-track { background: var(--bg-primary); }
::-webkit-scrollbar-thumb { background: #cbd5e1; border-radius: 4px; }
::-webkit-scrollbar-thumb:hover { background: #94a3b8; }

/* Empty State */
.empty-state { display: flex; flex-direction: column; align-items: center; justify-content: center; padding: 60px 20px; color: var(--text-muted); text-align: center; }
.empty-state i { font-size: 4rem; margin-bottom: 20px; opacity: 0.3; }
.empty-state h4 { font-size: 1.1rem; color: var(--text-secondary); margin-bottom: 8px; }
.empty-state p { font-size: 0.85rem; }