/* ==========================================================================
   VVT Signal Monitor & Teams Forwarder - Core Stylesheet
   Designed for High Reliability & Professional Security Monitoring
   ========================================================================== */

:root {
    --font-main: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    --font-mono: 'JetBrains Mono', 'Fira Code', Consolas, monospace;

    /* Dark Theme Colors */
    --bg-base: #0a0d14;
    --bg-surface: #111726;
    --bg-surface-elevated: #182238;
    --bg-surface-hover: #1e2b47;
    --bg-glass: rgba(17, 23, 38, 0.75);
    --bg-glass-card: rgba(24, 34, 56, 0.65);
    --border-subtle: rgba(255, 255, 255, 0.08);
    --border-glow: rgba(99, 102, 241, 0.35);

    --text-primary: #f1f5f9;
    --text-secondary: #94a3b8;
    --text-muted: #64748b;

    /* Accents */
    --primary: #6366f1;
    --primary-hover: #4f46e5;
    --primary-glow: rgba(99, 102, 241, 0.35);
    
    --accent-teams: #5059c9;
    --accent-teams-hover: #434ba8;

    /* Severities */
    --sev-critical: #ef4444;
    --sev-critical-bg: rgba(239, 68, 68, 0.15);
    --sev-error: #f59e0b;
    --sev-error-bg: rgba(245, 158, 11, 0.15);
    --sev-warning: #06b6d4;
    --sev-warning-bg: rgba(6, 182, 212, 0.15);
    --sev-info: #10b981;
    --sev-info-bg: rgba(16, 185, 129, 0.15);

    /* Channels */
    --chan-lk1: #8b5cf6;
    --chan-lk1-bg: rgba(139, 92, 246, 0.15);
    --chan-lk2: #ec4899;
    --chan-lk2-bg: rgba(236, 72, 153, 0.15);

    /* Statuses */
    --stat-success: #10b981;
    --stat-failed: #ef4444;
    --stat-pending: #f59e0b;
    --stat-skipped: #64748b;

    --radius-sm: 6px;
    --radius-md: 10px;
    --radius-lg: 16px;
    --radius-xl: 24px;

    --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.3);
    --shadow-md: 0 8px 24px rgba(0, 0, 0, 0.45);
    --shadow-lg: 0 16px 40px rgba(0, 0, 0, 0.6);
    --shadow-glow: 0 0 20px rgba(99, 102, 241, 0.3);
}

/* Light Mode Overrides */
body.light-theme {
    --bg-base: #f8fafc;
    --bg-surface: #ffffff;
    --bg-surface-elevated: #f1f5f9;
    --bg-surface-hover: #e2e8f0;
    --bg-glass: rgba(255, 255, 255, 0.85);
    --bg-glass-card: rgba(241, 245, 249, 0.75);
    --border-subtle: rgba(0, 0, 0, 0.08);
    --border-glow: rgba(99, 102, 241, 0.25);
    --text-primary: #0f172a;
    --text-secondary: #475569;
    --text-muted: #94a3b8;
    --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.05);
    --shadow-md: 0 8px 24px rgba(0, 0, 0, 0.08);
    --shadow-lg: 0 16px 40px rgba(0, 0, 0, 0.12);
}

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

html, body {
    height: 100%;
    font-family: var(--font-main);
    background-color: var(--bg-base);
    color: var(--text-primary);
    line-height: 1.5;
    -webkit-font-smoothing: antialiased;
    overflow-x: hidden;
}

code, pre, .font-mono {
    font-family: var(--font-mono);
}

/* Scrollbars */
::-webkit-scrollbar {
    width: 6px;
    height: 6px;
}
::-webkit-scrollbar-track {
    background: transparent;
}
::-webkit-scrollbar-thumb {
    background: var(--border-subtle);
    border-radius: 4px;
}
::-webkit-scrollbar-thumb:hover {
    background: var(--text-muted);
}

/* ==========================================================================
   SVG Icons Utility
   ========================================================================== */
.icon, .icon-sm, .icon-md, .icon-lg, .icon-brand, .icon-field, .icon-alert, .icon-btn, .icon-eye, .icon-secure {
    display: inline-block;
    vertical-align: middle;
    flex-shrink: 0;
}
.icon-sm { width: 14px; height: 14px; }
.icon, .icon-md { width: 18px; height: 18px; }
.icon-lg { width: 22px; height: 22px; }
.icon-brand { width: 26px; height: 26px; color: var(--primary); }
.icon-field { width: 16px; height: 16px; color: var(--text-muted); }
.icon-alert { width: 20px; height: 20px; }
.icon-btn { width: 18px; height: 18px; }
.icon-eye { width: 18px; height: 18px; }
.icon-secure { width: 14px; height: 14px; color: var(--stat-success); }

/* ==========================================================================
   Login Page Styles
   ========================================================================== */
.login-body {
    display: flex;
    align-items: center;
    justify-content: center;
    min-height: 100vh;
    background: radial-gradient(circle at 50% 20%, #151c33 0%, var(--bg-base) 80%);
    position: relative;
    overflow: hidden;
}

.login-bg-glow {
    position: absolute;
    border-radius: 50%;
    filter: blur(120px);
    pointer-events: none;
    opacity: 0.4;
}
.glow-1 {
    width: 400px;
    height: 400px;
    background: var(--primary);
    top: 10%;
    left: 20%;
}
.glow-2 {
    width: 350px;
    height: 350px;
    background: var(--chan-lk2);
    bottom: 10%;
    right: 20%;
}

.login-container {
    width: 100%;
    max-width: 460px;
    padding: 24px;
    position: relative;
    z-index: 10;
}

.login-card {
    padding: 40px;
    border-radius: var(--radius-xl);
    backdrop-filter: blur(20px);
    border: 1px solid var(--border-subtle);
    box-shadow: var(--shadow-lg), 0 0 40px rgba(99, 102, 241, 0.15);
    background: var(--bg-glass);
}

.login-header {
    text-align: center;
    margin-bottom: 32px;
}

.brand-badge {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 6px 14px;
    border-radius: 999px;
    background: var(--bg-surface-elevated);
    border: 1px solid var(--border-subtle);
    font-size: 11px;
    font-weight: 700;
    letter-spacing: 1.5px;
    color: var(--primary);
    margin-bottom: 16px;
}

.login-title {
    font-size: 22px;
    font-weight: 700;
    letter-spacing: -0.5px;
    margin-bottom: 8px;
}

.login-subtitle {
    font-size: 13px;
    color: var(--text-secondary);
    line-height: 1.4;
    margin-bottom: 14px;
}

.server-badge {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    font-size: 12px;
    color: var(--text-muted);
    background: rgba(0, 0, 0, 0.25);
    padding: 4px 10px;
    border-radius: var(--radius-sm);
    border: 1px solid var(--border-subtle);
}

.login-form {
    display: flex;
    flex-direction: column;
    gap: 20px;
}

.form-group {
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.form-label {
    display: flex;
    align-items: center;
    gap: 6px;
    font-size: 13px;
    font-weight: 500;
    color: var(--text-secondary);
}

.input-wrapper {
    position: relative;
    display: flex;
    align-items: center;
}

.form-input {
    width: 100%;
    height: 46px;
    padding: 0 14px;
    font-size: 14px;
    color: var(--text-primary);
    background: var(--bg-surface);
    border: 1px solid var(--border-subtle);
    border-radius: var(--radius-md);
    outline: none;
    transition: all 0.2s ease;
}
.form-input:focus {
    border-color: var(--primary);
    box-shadow: 0 0 0 3px var(--primary-glow);
    background: var(--bg-surface-elevated);
}

.btn-toggle-pwd {
    position: absolute;
    right: 12px;
    background: none;
    border: none;
    color: var(--text-muted);
    cursor: pointer;
    padding: 4px;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: color 0.2s;
}
.btn-toggle-pwd:hover {
    color: var(--text-primary);
}

.btn-submit {
    height: 48px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    background: var(--primary);
    color: #ffffff;
    border: none;
    border-radius: var(--radius-md);
    font-size: 15px;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.2s ease;
    box-shadow: 0 4px 14px rgba(99, 102, 241, 0.4);
    margin-top: 8px;
}
.btn-submit:hover {
    background: var(--primary-hover);
    transform: translateY(-1px);
    box-shadow: 0 6px 20px rgba(99, 102, 241, 0.5);
}
.btn-submit:disabled {
    opacity: 0.7;
    cursor: not-allowed;
    transform: none;
}

.alert-box {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 12px 14px;
    border-radius: var(--radius-md);
    font-size: 13px;
}
.alert-error {
    background: var(--sev-critical-bg);
    border: 1px solid rgba(239, 68, 68, 0.3);
    color: #fca5a5;
}

.login-footer {
    margin-top: 24px;
    text-align: center;
    border-top: 1px solid var(--border-subtle);
    padding-top: 18px;
}
.secure-indicator {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    font-size: 12px;
    color: var(--text-muted);
}

/* ==========================================================================
   Dashboard Layout Architecture
   ========================================================================== */
.app-container {
    display: flex;
    height: 100vh;
    width: 100vw;
    overflow: hidden;
}

/* Sidebar */
.app-sidebar {
    width: 260px;
    background: var(--bg-surface);
    border-right: 1px solid var(--border-subtle);
    display: flex;
    flex-direction: column;
    flex-shrink: 0;
    z-index: 50;
    transition: width 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

.sidebar-header {
    padding: 20px 18px;
    display: flex;
    align-items: center;
    gap: 10px;
    border-bottom: 1px solid var(--border-subtle);
}
.sidebar-logo {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 38px;
    height: 38px;
    border-radius: var(--radius-md);
    background: linear-gradient(135deg, var(--primary), #818cf8);
    color: #fff;
    box-shadow: 0 4px 12px var(--primary-glow);
}
.sidebar-title h2 {
    font-size: 15px;
    font-weight: 700;
    letter-spacing: -0.3px;
}
.sidebar-title span {
    font-size: 11px;
    color: var(--text-muted);
    display: block;
}

.sidebar-nav {
    flex: 1;
    padding: 16px 12px;
    display: flex;
    flex-direction: column;
    gap: 4px;
    overflow-y: auto;
}

.nav-section-title {
    font-size: 10px;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 1px;
    color: var(--text-muted);
    padding: 12px 12px 6px;
}

.nav-item {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 10px 12px;
    border-radius: var(--radius-md);
    font-size: 13px;
    font-weight: 500;
    color: var(--text-secondary);
    text-decoration: none;
    cursor: pointer;
    transition: all 0.2s ease;
    border: 1px solid transparent;
}
.nav-item:hover {
    background: var(--bg-surface-hover);
    color: var(--text-primary);
}
.nav-item.active {
    background: var(--bg-surface-elevated);
    color: var(--primary);
    border-color: var(--border-glow);
    box-shadow: var(--shadow-sm);
}

.nav-badge {
    margin-left: auto;
    font-size: 11px;
    padding: 2px 7px;
    border-radius: 999px;
    background: var(--bg-surface);
    color: var(--text-muted);
    border: 1px solid var(--border-subtle);
}

.sidebar-footer {
    padding: 16px;
    border-top: 1px solid var(--border-subtle);
    display: flex;
    align-items: center;
    justify-content: space-between;
}
.sidebar-user {
    display: flex;
    align-items: center;
    gap: 10px;
}
.user-avatar {
    width: 32px;
    height: 32px;
    border-radius: 50%;
    background: var(--primary-glow);
    color: var(--primary);
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 700;
    font-size: 12px;
    border: 1px solid var(--border-glow);
}
.user-info {
    font-size: 12px;
}
.user-info .user-name {
    font-weight: 600;
    color: var(--text-primary);
}
.user-info .user-role {
    font-size: 10px;
    color: var(--stat-success);
}

.btn-icon-sidebar {
    background: none;
    border: none;
    color: var(--text-muted);
    cursor: pointer;
    padding: 6px;
    border-radius: var(--radius-sm);
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all 0.2s;
}
.btn-icon-sidebar:hover {
    background: var(--bg-surface-hover);
    color: var(--sev-critical);
}

/* Main Area */
.app-main {
    flex: 1;
    display: flex;
    flex-direction: column;
    height: 100vh;
    overflow: hidden;
    background: var(--bg-base);
}

/* Topbar */
.app-topbar {
    height: 60px;
    background: var(--bg-surface);
    border-bottom: 1px solid var(--border-subtle);
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0 24px;
    flex-shrink: 0;
    z-index: 40;
}

.topbar-left {
    display: flex;
    align-items: center;
    gap: 16px;
}

.connection-status {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 5px 12px;
    border-radius: 999px;
    background: rgba(16, 185, 129, 0.1);
    border: 1px solid rgba(16, 185, 129, 0.3);
    font-size: 12px;
    font-weight: 600;
    color: var(--stat-success);
}
.status-dot {
    width: 8px;
    height: 8px;
    border-radius: 50%;
    background: var(--stat-success);
    box-shadow: 0 0 8px var(--stat-success);
    animation: pulse-live 2s infinite ease-in-out;
}
.connection-status.disconnected {
    background: rgba(239, 68, 68, 0.1);
    border-color: rgba(239, 68, 68, 0.3);
    color: var(--stat-failed);
}
.connection-status.disconnected .status-dot {
    background: var(--stat-failed);
    box-shadow: 0 0 8px var(--stat-failed);
    animation: none;
}

.domain-pill {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    font-size: 12px;
    font-family: var(--font-mono);
    color: var(--text-secondary);
    background: var(--bg-surface-elevated);
    padding: 4px 10px;
    border-radius: var(--radius-sm);
    border: 1px solid var(--border-subtle);
}

.topbar-right {
    display: flex;
    align-items: center;
    gap: 10px;
}

.btn-topbar {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 7px 12px;
    font-size: 12px;
    font-weight: 500;
    border-radius: var(--radius-md);
    background: var(--bg-surface-elevated);
    border: 1px solid var(--border-subtle);
    color: var(--text-secondary);
    cursor: pointer;
    transition: all 0.2s ease;
}
.btn-topbar:hover {
    background: var(--bg-surface-hover);
    color: var(--text-primary);
    border-color: var(--border-glow);
}
.btn-topbar.active {
    background: var(--primary-glow);
    border-color: var(--primary);
    color: #fff;
}

.btn-primary-action {
    background: var(--primary);
    color: #fff;
    border-color: var(--primary);
}
.btn-primary-action:hover {
    background: var(--primary-hover);
    color: #fff;
}

/* Content Area */
.app-content {
    flex: 1;
    overflow-y: auto;
    padding: 24px;
    display: flex;
    flex-direction: column;
    gap: 24px;
}

/* Metric Cards Grid */
.stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
    gap: 16px;
}

.stat-card {
    background: var(--bg-surface);
    border: 1px solid var(--border-subtle);
    border-radius: var(--radius-lg);
    padding: 20px;
    display: flex;
    flex-direction: column;
    gap: 12px;
    box-shadow: var(--shadow-sm);
    position: relative;
    overflow: hidden;
    transition: transform 0.2s, border-color 0.2s;
}
.stat-card:hover {
    transform: translateY(-2px);
    border-color: var(--border-glow);
    box-shadow: var(--shadow-md);
}

.stat-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
}
.stat-title {
    font-size: 13px;
    font-weight: 500;
    color: var(--text-secondary);
}
.stat-icon-wrapper {
    width: 36px;
    height: 36px;
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
}
.stat-icon-wrapper.primary { background: rgba(99, 102, 241, 0.15); color: var(--primary); }
.stat-icon-wrapper.lk1 { background: var(--chan-lk1-bg); color: var(--chan-lk1); }
.stat-icon-wrapper.lk2 { background: var(--chan-lk2-bg); color: var(--chan-lk2); }
.stat-icon-wrapper.success { background: rgba(16, 185, 129, 0.15); color: var(--stat-success); }

.stat-body {
    display: flex;
    align-items: baseline;
    gap: 10px;
}
.stat-value {
    font-size: 28px;
    font-weight: 700;
    letter-spacing: -1px;
    color: var(--text-primary);
}
.stat-subtext {
    font-size: 12px;
    color: var(--text-muted);
}

.stat-progress-bar {
    width: 100%;
    height: 4px;
    background: var(--bg-surface-elevated);
    border-radius: 2px;
    overflow: hidden;
}
.stat-progress-fill {
    height: 100%;
    background: var(--stat-success);
    border-radius: 2px;
    transition: width 0.5s ease;
}

/* Filter & Action Bar */
.filter-toolbar {
    background: var(--bg-surface);
    border: 1px solid var(--border-subtle);
    border-radius: var(--radius-lg);
    padding: 16px 20px;
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    justify-content: space-between;
    gap: 16px;
    box-shadow: var(--shadow-sm);
}

.filter-group-left {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: 12px;
}

.search-box {
    position: relative;
    min-width: 260px;
}
.search-box .icon-search {
    position: absolute;
    left: 12px;
    top: 50%;
    transform: translateY(-50%);
    width: 16px;
    height: 16px;
    color: var(--text-muted);
}
.search-input {
    width: 100%;
    height: 38px;
    padding: 0 12px 0 36px;
    font-size: 13px;
    border-radius: var(--radius-md);
    background: var(--bg-surface-elevated);
    border: 1px solid var(--border-subtle);
    color: var(--text-primary);
    outline: none;
    transition: all 0.2s;
}
.search-input:focus {
    border-color: var(--primary);
    box-shadow: 0 0 0 2px var(--primary-glow);
}

.pill-group {
    display: inline-flex;
    background: var(--bg-surface-elevated);
    padding: 3px;
    border-radius: var(--radius-md);
    border: 1px solid var(--border-subtle);
}
.pill-btn {
    padding: 5px 12px;
    font-size: 12px;
    font-weight: 500;
    border-radius: var(--radius-sm);
    border: none;
    background: transparent;
    color: var(--text-secondary);
    cursor: pointer;
    transition: all 0.2s;
}
.pill-btn:hover {
    color: var(--text-primary);
}
.pill-btn.active {
    background: var(--primary);
    color: #fff;
    box-shadow: 0 2px 6px rgba(99, 102, 241, 0.3);
}

.filter-select {
    height: 38px;
    padding: 0 12px;
    font-size: 12px;
    border-radius: var(--radius-md);
    background: var(--bg-surface-elevated);
    border: 1px solid var(--border-subtle);
    color: var(--text-secondary);
    outline: none;
    cursor: pointer;
}

.filter-group-right {
    display: flex;
    align-items: center;
    gap: 8px;
}

/* Signals Stream Table */
.table-container {
    background: var(--bg-surface);
    border: 1px solid var(--border-subtle);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-sm);
    overflow: hidden;
    display: flex;
    flex-direction: column;
}

.table-header-info {
    padding: 16px 20px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    border-bottom: 1px solid var(--border-subtle);
}
.table-title {
    font-size: 15px;
    font-weight: 600;
    display: flex;
    align-items: center;
    gap: 8px;
}
.badge-count {
    font-size: 11px;
    padding: 2px 8px;
    background: var(--bg-surface-elevated);
    border-radius: 999px;
    color: var(--text-muted);
    border: 1px solid var(--border-subtle);
}

.signals-table {
    width: 100%;
    border-collapse: collapse;
    text-align: left;
    font-size: 13px;
}

.signals-table th {
    background: var(--bg-surface-elevated);
    padding: 12px 16px;
    font-size: 11px;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    color: var(--text-muted);
    border-bottom: 1px solid var(--border-subtle);
    white-space: nowrap;
}

.signals-table td {
    padding: 14px 16px;
    border-bottom: 1px solid var(--border-subtle);
    vertical-align: middle;
    transition: background 0.15s ease;
}

.signals-table tbody tr {
    cursor: pointer;
}
.signals-table tbody tr:hover td {
    background: var(--bg-surface-hover);
}

.signals-table tr.new-row-flash {
    animation: flash-new-row 2.5s ease-out;
}

/* Badges */
.badge-sev {
    display: inline-flex;
    align-items: center;
    gap: 5px;
    padding: 3px 8px;
    border-radius: var(--radius-sm);
    font-size: 11px;
    font-weight: 600;
    letter-spacing: 0.3px;
}
.badge-sev.CRITICAL { background: var(--sev-critical-bg); color: var(--sev-critical); border: 1px solid rgba(239, 68, 68, 0.3); }
.badge-sev.ERROR { background: var(--sev-error-bg); color: var(--sev-error); border: 1px solid rgba(245, 158, 11, 0.3); }
.badge-sev.WARNING { background: var(--sev-warning-bg); color: var(--sev-warning); border: 1px solid rgba(6, 182, 212, 0.3); }
.badge-sev.INFO { background: var(--sev-info-bg); color: var(--sev-info); border: 1px solid rgba(16, 185, 129, 0.3); }

.badge-channel {
    display: inline-flex;
    align-items: center;
    gap: 4px;
    padding: 3px 8px;
    border-radius: var(--radius-sm);
    font-size: 11px;
    font-weight: 600;
}
.badge-channel.LK_1 { background: var(--chan-lk1-bg); color: var(--chan-lk1); border: 1px solid rgba(139, 92, 246, 0.3); }
.badge-channel.LK_2 { background: var(--chan-lk2-bg); color: var(--chan-lk2); border: 1px solid rgba(236, 72, 153, 0.3); }

.badge-status {
    display: inline-flex;
    align-items: center;
    gap: 4px;
    padding: 3px 8px;
    border-radius: var(--radius-sm);
    font-size: 11px;
    font-weight: 500;
    background: var(--bg-surface-elevated);
    border: 1px solid var(--border-subtle);
    color: var(--text-secondary);
}
.badge-status.NEW { color: #38bdf8; border-color: rgba(56, 189, 248, 0.3); background: rgba(56, 189, 248, 0.1); }
.badge-status.ACKNOWLEDGED { color: #fbbf24; border-color: rgba(251, 191, 36, 0.3); background: rgba(251, 191, 36, 0.1); }
.badge-status.RESOLVED { color: #34d399; border-color: rgba(52, 211, 153, 0.3); background: rgba(52, 211, 153, 0.1); }
.badge-status.IGNORED { color: #94a3b8; }

.badge-teams {
    display: inline-flex;
    align-items: center;
    gap: 4px;
    font-size: 11px;
    font-weight: 600;
    padding: 3px 7px;
    border-radius: var(--radius-sm);
}
.badge-teams.SUCCESS { color: var(--stat-success); background: rgba(16, 185, 129, 0.1); }
.badge-teams.FAILED { color: var(--stat-failed); background: rgba(239, 68, 68, 0.1); }
.badge-teams.SKIPPED { color: var(--stat-skipped); background: rgba(100, 116, 139, 0.1); }
.badge-teams.PENDING { color: var(--stat-pending); background: rgba(245, 158, 11, 0.1); }

.cell-title {
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: 2px;
}
.cell-subtitle {
    font-size: 12px;
    color: var(--text-muted);
}
.cell-code {
    display: inline-block;
    font-size: 11px;
    padding: 1px 5px;
    background: var(--bg-surface-elevated);
    border-radius: 4px;
    color: var(--text-secondary);
    border: 1px solid var(--border-subtle);
}

.table-empty-state {
    padding: 60px 20px;
    text-align: center;
    color: var(--text-muted);
}
.empty-icon {
    width: 48px;
    height: 48px;
    color: var(--text-muted);
    margin-bottom: 12px;
    opacity: 0.5;
}

.table-pagination {
    padding: 14px 20px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    border-top: 1px solid var(--border-subtle);
    font-size: 12px;
    color: var(--text-muted);
}

/* ==========================================================================
   Signal Inspector Drawer (Slide-over)
   ========================================================================== */
.drawer-backdrop {
    position: fixed;
    top: 0;
    left: 0;
    width: 100vw;
    height: 100vh;
    background: rgba(0, 0, 0, 0.6);
    backdrop-filter: blur(4px);
    z-index: 100;
    opacity: 0;
    pointer-events: none;
    transition: opacity 0.25s ease;
}
.drawer-backdrop.open {
    opacity: 1;
    pointer-events: auto;
}

.inspector-drawer {
    position: fixed;
    top: 0;
    right: 0;
    width: 100%;
    max-width: 680px;
    height: 100vh;
    background: var(--bg-surface);
    border-left: 1px solid var(--border-subtle);
    box-shadow: var(--shadow-lg);
    z-index: 101;
    display: flex;
    flex-direction: column;
    transform: translateX(100%);
    transition: transform 0.3s cubic-bezier(0.16, 1, 0.3, 1);
}
.inspector-drawer.open {
    transform: translateX(0);
}

.drawer-header {
    padding: 20px 24px;
    border-bottom: 1px solid var(--border-subtle);
    display: flex;
    align-items: center;
    justify-content: space-between;
    background: var(--bg-surface-elevated);
}
.drawer-header-left {
    display: flex;
    align-items: center;
    gap: 12px;
}
.drawer-title {
    font-size: 16px;
    font-weight: 700;
}
.drawer-close-btn {
    background: none;
    border: none;
    color: var(--text-muted);
    cursor: pointer;
    padding: 6px;
    border-radius: var(--radius-sm);
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all 0.2s;
}
.drawer-close-btn:hover {
    background: var(--bg-surface-hover);
    color: var(--text-primary);
}

.drawer-body {
    flex: 1;
    overflow-y: auto;
    padding: 24px;
    display: flex;
    flex-direction: column;
    gap: 20px;
}

.meta-info-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 12px;
    background: var(--bg-surface-elevated);
    padding: 16px;
    border-radius: var(--radius-md);
    border: 1px solid var(--border-subtle);
}
.meta-item {
    display: flex;
    flex-direction: column;
    gap: 4px;
}
.meta-label {
    font-size: 11px;
    color: var(--text-muted);
    font-weight: 600;
    text-transform: uppercase;
}
.meta-value {
    font-size: 13px;
    color: var(--text-primary);
    font-weight: 500;
}

.section-block {
    display: flex;
    flex-direction: column;
    gap: 8px;
}
.section-title-sm {
    font-size: 12px;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    color: var(--text-secondary);
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.code-box {
    background: #0d1117;
    border: 1px solid var(--border-subtle);
    border-radius: var(--radius-md);
    padding: 14px;
    font-family: var(--font-mono);
    font-size: 12px;
    line-height: 1.6;
    color: #c9d1d9;
    max-height: 280px;
    overflow-y: auto;
    white-space: pre-wrap;
    word-break: break-all;
    position: relative;
}

.btn-copy-code {
    background: rgba(255, 255, 255, 0.1);
    border: 1px solid var(--border-subtle);
    color: var(--text-secondary);
    padding: 4px 8px;
    border-radius: var(--radius-sm);
    font-size: 11px;
    cursor: pointer;
    display: inline-flex;
    align-items: center;
    gap: 4px;
    transition: all 0.2s;
}
.btn-copy-code:hover {
    background: rgba(255, 255, 255, 0.2);
    color: #fff;
}

.teams-delivery-card {
    background: rgba(80, 89, 201, 0.1);
    border: 1px solid rgba(80, 89, 201, 0.3);
    border-radius: var(--radius-md);
    padding: 16px;
    display: flex;
    flex-direction: column;
    gap: 10px;
}
.teams-delivery-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
}
.teams-tag {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    font-size: 12px;
    font-weight: 700;
    color: var(--accent-teams);
}

.drawer-footer {
    padding: 18px 24px;
    border-top: 1px solid var(--border-subtle);
    display: flex;
    align-items: center;
    justify-content: space-between;
    background: var(--bg-surface-elevated);
}

/* ==========================================================================
   Modals (Simulator, Integration Docs, Config)
   ========================================================================== */
.modal-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100vw;
    height: 100vh;
    background: rgba(0, 0, 0, 0.7);
    backdrop-filter: blur(6px);
    z-index: 200;
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    pointer-events: none;
    transition: opacity 0.2s ease;
}
.modal-overlay.open {
    opacity: 1;
    pointer-events: auto;
}

.modal-dialog {
    background: var(--bg-surface);
    border: 1px solid var(--border-subtle);
    border-radius: var(--radius-xl);
    width: 100%;
    max-width: 640px;
    max-height: 90vh;
    display: flex;
    flex-direction: column;
    box-shadow: var(--shadow-lg);
    transform: scale(0.95);
    transition: transform 0.25s cubic-bezier(0.16, 1, 0.3, 1);
    overflow: hidden;
}
.modal-overlay.open .modal-dialog {
    transform: scale(1);
}

.modal-header {
    padding: 18px 24px;
    border-bottom: 1px solid var(--border-subtle);
    display: flex;
    align-items: center;
    justify-content: space-between;
    background: var(--bg-surface-elevated);
}
.modal-title {
    font-size: 16px;
    font-weight: 700;
    display: flex;
    align-items: center;
    gap: 8px;
}

.modal-body {
    padding: 24px;
    overflow-y: auto;
    display: flex;
    flex-direction: column;
    gap: 16px;
}

.modal-footer {
    padding: 16px 24px;
    border-top: 1px solid var(--border-subtle);
    display: flex;
    align-items: center;
    justify-content: flex-end;
    gap: 10px;
    background: var(--bg-surface-elevated);
}

/* Tabs */
.tabs-nav {
    display: flex;
    gap: 6px;
    border-bottom: 1px solid var(--border-subtle);
    padding-bottom: 8px;
    margin-bottom: 12px;
}
.tab-btn {
    padding: 6px 14px;
    font-size: 12px;
    font-weight: 600;
    border-radius: var(--radius-sm);
    border: 1px solid transparent;
    background: transparent;
    color: var(--text-secondary);
    cursor: pointer;
    transition: all 0.2s;
}
.tab-btn:hover {
    color: var(--text-primary);
    background: var(--bg-surface-hover);
}
.tab-btn.active {
    background: var(--primary-glow);
    color: var(--primary);
    border-color: var(--border-glow);
}

/* Toast Notifications */
.toast-container {
    position: fixed;
    bottom: 24px;
    right: 24px;
    z-index: 999;
    display: flex;
    flex-direction: column;
    gap: 10px;
}
.toast {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 12px 18px;
    border-radius: var(--radius-md);
    background: var(--bg-surface-elevated);
    border: 1px solid var(--border-subtle);
    box-shadow: var(--shadow-lg);
    font-size: 13px;
    color: var(--text-primary);
    animation: toast-in 0.3s cubic-bezier(0.16, 1, 0.3, 1);
}
.toast.success { border-color: var(--stat-success); background: rgba(16, 185, 129, 0.15); }
.toast.error { border-color: var(--stat-failed); background: rgba(239, 68, 68, 0.15); }
.toast.info { border-color: var(--primary); background: rgba(99, 102, 241, 0.15); }

/* Keyframe Animations */
@keyframes pulse-live {
    0%, 100% { transform: scale(1); opacity: 1; }
    50% { transform: scale(1.3); opacity: 0.6; }
}

@keyframes flash-new-row {
    0% { background: rgba(99, 102, 241, 0.35); }
    100% { background: transparent; }
}

@keyframes toast-in {
    from { transform: translateY(20px); opacity: 0; }
    to { transform: translateY(0); opacity: 1; }
}

.spinner {
    width: 16px;
    height: 16px;
    border: 2px solid rgba(255, 255, 255, 0.3);
    border-top-color: #fff;
    border-radius: 50%;
    animation: spin 0.6s linear infinite;
    display: inline-block;
}
@keyframes spin {
    to { transform: rotate(360deg); }
}

/* Responsive adjustments */
@media (max-width: 900px) {
    .app-sidebar {
        position: fixed;
        left: -260px;
        height: 100vh;
    }
    .app-sidebar.mobile-open {
        left: 0;
    }
    .stats-grid {
        grid-template-columns: 1fr 1fr;
    }
}
@media (max-width: 600px) {
    .stats-grid {
        grid-template-columns: 1fr;
    }
    .meta-info-grid {
        grid-template-columns: 1fr;
    }
}