/* ==========================================================================
   GSM6 Server Operations Console - Master Industrial Theme
   Palette: Void Black (#0b0e14), Slate Carbon (#131922), Steel (#1e2633), Cyan (#00e5ff)
   ========================================================================== */

:root {
    --bg-void: #090c10;
    --bg-base: #0d1117;
    --bg-surface: #151b23;
    --bg-elevated: #1e2633;
    --bg-hover: #263143;
    
    --border-subtle: #212836;
    --border-medium: #303a4c;
    --border-focus: #00e5ff;

    --text-primary: #f0f6fc;
    --text-secondary: #9aa7b8;
    --text-muted: #64748b;

    --accent-cyan: #00e5ff;
    --accent-cyan-glow: rgba(0, 229, 255, 0.15);
    --accent-emerald: #00e676;
    --accent-emerald-glow: rgba(0, 230, 118, 0.15);
    --accent-amber: #ffb300;
    --accent-crimson: #ff3366;
    --accent-purple: #b388ff;

    --font-ui: 'Plus Jakarta Sans', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    --font-mono: 'JetBrains Mono', 'Fira Code', monospace;

    --shadow-card: 0 4px 20px rgba(0, 0, 0, 0.4);
    --shadow-dropdown: 0 10px 30px rgba(0, 0, 0, 0.6);
}

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

body {
    background-color: var(--bg-base);
    color: var(--text-primary);
    font-family: var(--font-ui);
    font-size: 14px;
    line-height: 1.5;
    -webkit-font-smoothing: antialiased;
}

/* ==========================================================================
   Security Gate & Login Screens
   ========================================================================== */
.gate-body {
    background-color: var(--bg-void);
    background-image: 
        radial-gradient(circle at 50% 0%, rgba(0, 229, 255, 0.08) 0%, transparent 60%),
        linear-gradient(to bottom, #090c10, #0d1117);
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 20px;
}

.gate-container {
    width: 100%;
    max-width: 440px;
}

.gate-card {
    background: var(--bg-surface);
    border: 1px solid var(--border-subtle);
    border-radius: 8px;
    padding: 36px 32px;
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.7);
    position: relative;
    overflow: hidden;
}

.gate-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 3px;
    background: linear-gradient(90deg, #00e5ff, #00e676, #00e5ff);
}

.gate-badge {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    background: rgba(255, 51, 102, 0.12);
    color: var(--accent-crimson);
    border: 1px solid rgba(255, 51, 102, 0.25);
    font-family: var(--font-mono);
    font-size: 11px;
    font-weight: 700;
    letter-spacing: 0.08em;
    padding: 4px 10px;
    border-radius: 4px;
    margin-bottom: 20px;
}

.gate-badge-cyan {
    background: var(--accent-cyan-glow);
    color: var(--accent-cyan);
    border-color: rgba(0, 229, 255, 0.3);
}

.gate-logo {
    font-size: 22px;
    font-weight: 800;
    letter-spacing: 0.05em;
    color: #fff;
    margin-bottom: 8px;
}

.logo-accent {
    color: var(--accent-cyan);
}

.gate-subtitle {
    color: var(--text-secondary);
    font-size: 13px;
    line-height: 1.5;
    margin-bottom: 24px;
}

.pin-input-wrap {
    margin-top: 8px;
}

.pin-input {
    width: 100%;
    height: 52px;
    background: var(--bg-void);
    border: 1px solid var(--border-medium);
    border-radius: 6px;
    color: var(--accent-cyan);
    font-family: var(--font-mono);
    font-size: 24px;
    font-weight: 700;
    letter-spacing: 0.4em;
    text-align: center;
    transition: all 0.2s ease;
}

.pin-input:focus {
    outline: none;
    border-color: var(--accent-cyan);
    box-shadow: 0 0 0 3px var(--accent-cyan-glow);
}

.gate-footer {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-top: 24px;
    padding-top: 18px;
    border-top: 1px solid var(--border-subtle);
    font-size: 12px;
    color: var(--text-muted);
}

/* ==========================================================================
   Master Header
   ========================================================================== */
.top-header {
    background: var(--bg-surface);
    border-bottom: 1px solid var(--border-subtle);
    padding: 12px 24px;
    display: flex;
    align-items: center;
    justify-content: space-between;
}

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

.brand-link {
    display: flex;
    align-items: center;
    gap: 10px;
    text-decoration: none;
    color: #fff;
}

.brand-badge {
    background: var(--accent-cyan);
    color: #000;
    font-family: var(--font-mono);
    font-size: 10px;
    font-weight: 800;
    letter-spacing: 0.05em;
    padding: 2px 6px;
    border-radius: 3px;
}

.brand-name {
    font-size: 17px;
    font-weight: 800;
    letter-spacing: 0.04em;
}

.brand-accent {
    color: var(--accent-cyan);
}

.header-divider {
    width: 1px;
    height: 18px;
    background: var(--border-medium);
}

.endpoint-pill {
    font-family: var(--font-mono);
    font-size: 12px;
    color: var(--accent-cyan);
    background: var(--accent-cyan-glow);
    border: 1px solid rgba(0, 229, 255, 0.25);
    padding: 3px 10px;
    border-radius: 4px;
    display: flex;
    align-items: center;
    gap: 6px;
}

.service-pill {
    font-family: var(--font-mono);
    font-size: 11px;
    color: var(--text-muted);
    border: 1px solid var(--border-subtle);
    padding: 3px 8px;
    border-radius: 4px;
}

.live-dot {
    width: 7px;
    height: 7px;
    background: var(--accent-emerald);
    border-radius: 50%;
    box-shadow: 0 0 8px var(--accent-emerald);
    display: inline-block;
}

.header-right {
    display: flex;
    align-items: center;
    gap: 14px;
}

.admin-pill {
    background: var(--bg-elevated);
    border: 1px solid var(--border-medium);
    padding: 5px 12px;
    border-radius: 4px;
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 12px;
}

.admin-role {
    font-family: var(--font-mono);
    font-size: 10px;
    font-weight: 700;
    color: var(--accent-amber);
    background: rgba(255, 179, 0, 0.12);
    padding: 2px 5px;
    border-radius: 3px;
}

.admin-user {
    font-weight: 600;
    color: #fff;
}

.btn-logout {
    display: flex;
    align-items: center;
    gap: 6px;
    background: transparent;
    border: 1px solid var(--border-subtle);
    color: var(--text-secondary);
    padding: 6px 12px;
    border-radius: 4px;
    text-decoration: none;
    font-size: 12px;
    transition: all 0.2s ease;
}

.btn-logout:hover {
    color: var(--accent-crimson);
    border-color: rgba(255, 51, 102, 0.4);
    background: rgba(255, 51, 102, 0.08);
}

/* ==========================================================================
   Quick Access Sub-Navbar (Directly beneath Header)
   ========================================================================== */
.sub-navbar {
    background: var(--bg-void);
    border-bottom: 1px solid var(--border-medium);
    padding: 0 24px;
    position: sticky;
    top: 0;
    z-index: 100;
}

.subnav-container {
    display: flex;
    align-items: center;
    justify-content: space-between;
    min-height: 48px;
}

.subnav-items {
    display: flex;
    align-items: center;
    gap: 6px;
}

.subnav-link {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 10px 14px;
    color: var(--text-secondary);
    text-decoration: none;
    font-weight: 600;
    font-size: 13px;
    border-bottom: 2px solid transparent;
    transition: all 0.2s ease;
}

.subnav-link:hover {
    color: #fff;
    background: var(--bg-surface);
}

.subnav-link.active {
    color: var(--accent-cyan);
    border-bottom-color: var(--accent-cyan);
    background: var(--accent-cyan-glow);
}

.subnav-pipe {
    color: var(--border-medium);
    font-size: 16px;
    margin: 0 4px;
}

.subnav-btn-highlight {
    background: linear-gradient(135deg, rgba(0, 229, 255, 0.15), rgba(0, 230, 118, 0.15));
    border: 1px solid var(--accent-cyan);
    color: #fff;
    font-family: var(--font-ui);
    font-weight: 700;
    font-size: 13px;
    padding: 7px 16px;
    border-radius: 4px;
    display: flex;
    align-items: center;
    gap: 8px;
    cursor: pointer;
    transition: all 0.2s ease;
}

.subnav-btn-highlight:hover {
    background: var(--accent-cyan);
    color: #000;
    box-shadow: 0 0 15px rgba(0, 229, 255, 0.4);
}

.nav-badge {
    font-family: var(--font-mono);
    font-size: 11px;
    font-weight: 700;
    padding: 2px 7px;
    border-radius: 10px;
    transition: all 0.2s ease;
}

.nav-badge-alert {
    background: var(--accent-crimson);
    color: #fff;
    box-shadow: 0 0 8px rgba(255, 51, 102, 0.6);
    animation: pulseBadge 2s infinite;
}

.nav-badge-zero {
    background: var(--bg-elevated);
    color: var(--text-muted);
}

@keyframes pulseBadge {
    0%, 100% { transform: scale(1); }
    50% { transform: scale(1.08); }
}

.subnav-metrics {
    display: flex;
    align-items: center;
    gap: 16px;
    font-family: var(--font-mono);
    font-size: 11px;
}

.subnav-metric-item {
    display: flex;
    align-items: center;
    gap: 6px;
}

.metric-label {
    color: var(--text-muted);
}

.metric-value {
    color: var(--text-secondary);
    font-weight: 600;
}

/* ==========================================================================
   Main Workspace Layout
   ========================================================================== */
.main-content {
    padding: 24px;
    max-width: 1560px;
    margin: 0 auto;
}

.panel-container {
    display: flex;
    flex-direction: column;
    gap: 24px;
}

.panel-header {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    padding-bottom: 16px;
    border-bottom: 1px solid var(--border-subtle);
}

.panel-title {
    font-size: 22px;
    font-weight: 800;
    letter-spacing: -0.01em;
    color: #fff;
    margin-bottom: 4px;
}

.panel-desc {
    color: var(--text-secondary);
    font-size: 13px;
}

.panel-actions {
    display: flex;
    gap: 10px;
}

/* ==========================================================================
   Metrics Grid
   ========================================================================== */
.metrics-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
    gap: 16px;
}

.metric-card {
    background: var(--bg-surface);
    border: 1px solid var(--border-subtle);
    border-radius: 6px;
    padding: 20px;
    display: flex;
    flex-direction: column;
    position: relative;
    overflow: hidden;
}

.metric-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 3px;
    height: 100%;
}

.metric-card:nth-child(1)::before { background: var(--accent-cyan); }
.metric-card:nth-child(2)::before { background: var(--accent-amber); }
.metric-card:nth-child(3)::before { background: var(--accent-emerald); }
.metric-card:nth-child(4)::before { background: var(--accent-purple); }

.metric-icon-wrap {
    font-size: 20px;
    margin-bottom: 12px;
}

.metric-num {
    font-family: var(--font-mono);
    font-size: 30px;
    font-weight: 800;
    color: #fff;
    line-height: 1.1;
    display: block;
}

.metric-title {
    font-size: 13px;
    font-weight: 600;
    color: var(--text-secondary);
    margin-top: 4px;
    display: block;
}

.metric-meta {
    font-size: 11px;
    font-family: var(--font-mono);
    margin-top: 14px;
    padding-top: 8px;
    border-top: 1px solid var(--border-subtle);
}

/* ==========================================================================
   Product Sub-Tabs (Multi-Panels)
   ========================================================================== */
.tabs-nav {
    display: flex;
    gap: 8px;
    border-bottom: 1px solid var(--border-medium);
    padding-bottom: 2px;
}

.tab-item {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 10px 18px;
    background: var(--bg-surface);
    border: 1px solid var(--border-subtle);
    border-bottom: none;
    border-radius: 6px 6px 0 0;
    color: var(--text-secondary);
    text-decoration: none;
    font-weight: 600;
    font-size: 13px;
    transition: all 0.2s ease;
}

.tab-item:hover {
    color: #fff;
    background: var(--bg-elevated);
}

.tab-item.active {
    background: var(--bg-elevated);
    border-color: var(--accent-cyan);
    color: var(--accent-cyan);
    box-shadow: 0 -2px 0 var(--accent-cyan);
}

.tab-count {
    font-family: var(--font-mono);
    font-size: 11px;
    background: var(--bg-base);
    color: var(--text-primary);
    padding: 2px 7px;
    border-radius: 10px;
}

/* ==========================================================================
   Cards & Data Tables
   ========================================================================== */
.card {
    background: var(--bg-surface);
    border: 1px solid var(--border-subtle);
    border-radius: 6px;
    box-shadow: var(--shadow-card);
    overflow: hidden;
}

.card-header {
    padding: 16px 20px;
    border-bottom: 1px solid var(--border-subtle);
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.card-title {
    display: flex;
    align-items: center;
    gap: 10px;
    font-size: 14px;
    font-weight: 700;
    color: #fff;
}

.card-link {
    font-size: 12px;
    color: var(--accent-cyan);
    text-decoration: none;
    font-weight: 600;
}

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

.grid-2col {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 20px;
}

.table-responsive {
    overflow-x: auto;
}

.data-table {
    width: 100%;
    border-collapse: collapse;
    font-size: 13px;
}

.data-table th {
    background: var(--bg-void);
    color: var(--text-secondary);
    font-family: var(--font-mono);
    font-size: 11px;
    font-weight: 700;
    letter-spacing: 0.05em;
    text-transform: uppercase;
    padding: 12px 18px;
    text-align: left;
    border-bottom: 1px solid var(--border-medium);
}

.data-table td {
    padding: 14px 18px;
    border-bottom: 1px solid var(--border-subtle);
    vertical-align: middle;
}

.data-table tr:hover td {
    background: var(--bg-hover);
}

/* User Cell */
.user-cell {
    display: flex;
    flex-direction: column;
    gap: 2px;
}

.user-name {
    font-weight: 700;
    color: #fff;
    display: flex;
    align-items: center;
    gap: 6px;
}

.user-id-tag {
    font-family: var(--font-mono);
    font-size: 10px;
    color: var(--text-muted);
    background: var(--bg-void);
    padding: 1px 4px;
    border-radius: 3px;
}

.user-sub {
    font-size: 12px;
    color: var(--text-muted);
}

/* Badges */
.badge {
    display: inline-flex;
    align-items: center;
    padding: 3px 8px;
    border-radius: 4px;
    font-family: var(--font-mono);
    font-size: 11px;
    font-weight: 700;
}

.badge-product {
    background: var(--bg-elevated);
    border: 1px solid var(--border-medium);
    color: #fff;
    font-family: var(--font-mono);
    font-size: 11px;
    padding: 3px 8px;
    border-radius: 4px;
}

.badge-status {
    display: inline-flex;
    align-items: center;
    padding: 3px 8px;
    border-radius: 4px;
    font-family: var(--font-mono);
    font-size: 10px;
    font-weight: 700;
    letter-spacing: 0.05em;
}

.status-active {
    background: var(--accent-emerald-glow);
    color: var(--accent-emerald);
    border: 1px solid rgba(0, 230, 118, 0.3);
}

.status-suspended {
    background: rgba(255, 51, 102, 0.15);
    color: var(--accent-crimson);
    border: 1px solid rgba(255, 51, 102, 0.3);
}

.status-completed {
    background: var(--accent-emerald-glow);
    color: var(--accent-emerald);
    border: 1px solid rgba(0, 230, 118, 0.3);
}

.status-authorized {
    background: var(--accent-cyan-glow);
    color: var(--accent-cyan);
    border: 1px solid rgba(0, 229, 255, 0.3);
}

.badge-success { background: var(--accent-emerald-glow); color: var(--accent-emerald); }
.badge-warning { background: rgba(255, 179, 0, 0.15); color: var(--accent-amber); }
.badge-expired { background: rgba(255, 51, 102, 0.15); color: var(--accent-crimson); }
.badge-unbound { background: var(--accent-cyan-glow); color: var(--accent-cyan); border: 1px solid rgba(0, 229, 255, 0.3); }

/* HWID Cells */
.hwid-cell {
    display: flex;
    flex-direction: column;
    gap: 3px;
}

.hwid-code, .hwid-full-code {
    font-family: var(--font-mono);
    font-size: 11px;
    color: var(--accent-cyan);
    background: var(--bg-void);
    padding: 2px 6px;
    border-radius: 3px;
    border: 1px solid var(--border-subtle);
    display: inline-block;
}

.hwid-full-code {
    max-width: 280px;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.hwid-changes {
    font-size: 11px;
    color: var(--text-muted);
}

.quota-pill {
    display: inline-flex;
    align-items: center;
    gap: 4px;
    font-family: var(--font-mono);
    font-size: 12px;
}

.quota-used {
    font-weight: 700;
    color: var(--accent-amber);
}

.quota-max {
    color: var(--text-muted);
}

.mono-op {
    font-family: var(--font-mono);
    font-size: 12px;
    font-weight: 600;
    color: var(--accent-cyan);
}

.badge-device {
    font-family: var(--font-mono);
    font-size: 11px;
    color: var(--text-secondary);
    background: var(--bg-void);
    padding: 2px 6px;
    border-radius: 3px;
}

/* ==========================================================================
   Filter Bar & Search Inputs
   ========================================================================== */
.filter-bar {
    margin-bottom: 16px;
}

.search-form {
    display: flex;
    gap: 10px;
    align-items: center;
}

.search-input-wrap {
    flex: 1;
    position: relative;
    display: flex;
    align-items: center;
}

.search-input-wrap svg {
    position: absolute;
    left: 14px;
    color: var(--text-muted);
}

.search-input-wrap input {
    padding-left: 42px;
}

.form-control {
    width: 100%;
    height: 40px;
    background: var(--bg-surface);
    border: 1px solid var(--border-medium);
    border-radius: 5px;
    color: #fff;
    font-family: var(--font-ui);
    font-size: 13px;
    padding: 0 14px;
    transition: all 0.2s ease;
}

.form-control:focus {
    outline: none;
    border-color: var(--accent-cyan);
    box-shadow: 0 0 0 3px var(--accent-cyan-glow);
}

select.form-control {
    cursor: pointer;
}

/* ==========================================================================
   Buttons
   ========================================================================== */
.btn {
    height: 40px;
    padding: 0 18px;
    border-radius: 5px;
    font-family: var(--font-ui);
    font-size: 13px;
    font-weight: 700;
    cursor: pointer;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    text-decoration: none;
    border: 1px solid transparent;
    transition: all 0.2s ease;
}

.btn-primary {
    background: var(--accent-cyan);
    color: #000;
    border-color: var(--accent-cyan);
}

.btn-primary:hover {
    background: #4df0ff;
    box-shadow: 0 0 15px rgba(0, 229, 255, 0.4);
}

.btn-secondary {
    background: var(--bg-elevated);
    border-color: var(--border-medium);
    color: #fff;
}

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

.btn-outline {
    background: transparent;
    border-color: var(--border-medium);
    color: var(--text-secondary);
}

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

.btn-sm {
    height: 32px;
    padding: 0 12px;
    font-size: 12px;
}

.btn-block {
    width: 100%;
}

/* Action button groups inside table */
.action-btn-group {
    display: flex;
    align-items: center;
    gap: 6px;
}

.btn-action {
    height: 28px;
    padding: 0 8px;
    border-radius: 4px;
    font-family: var(--font-mono);
    font-size: 11px;
    font-weight: 700;
    cursor: pointer;
    border: 1px solid var(--border-subtle);
    background: var(--bg-surface);
    color: var(--text-secondary);
    transition: all 0.15s ease;
}

.btn-action-extend {
    color: var(--accent-emerald);
    border-color: rgba(0, 230, 118, 0.3);
}

.btn-action-extend:hover {
    background: var(--accent-emerald-glow);
    color: #fff;
}

.btn-action-reset {
    color: var(--accent-cyan);
    border-color: rgba(0, 229, 255, 0.3);
}

.btn-action-reset:hover {
    background: var(--accent-cyan-glow);
    color: #fff;
}

.btn-action-suspend {
    color: var(--accent-crimson);
    border-color: rgba(255, 51, 102, 0.3);
}

.btn-action-suspend:hover {
    background: rgba(255, 51, 102, 0.15);
}

.btn-action-resume {
    color: var(--accent-emerald);
    border-color: rgba(0, 230, 118, 0.3);
}

/* ==========================================================================
   Customer Inquiries / Inbox 2-Column Layout
   ========================================================================== */
.inbox-layout {
    display: grid;
    grid-template-columns: 340px 1fr;
    gap: 20px;
    height: calc(100vh - 170px);
    min-height: 600px;
}

.inbox-sidebar {
    background: var(--bg-surface);
    border: 1px solid var(--border-subtle);
    border-radius: 6px;
    display: flex;
    flex-direction: column;
    overflow: hidden;
}

.inbox-sidebar-header {
    padding: 16px;
    border-bottom: 1px solid var(--border-subtle);
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.inbox-title {
    font-size: 14px;
    font-weight: 700;
    color: #fff;
    display: flex;
    align-items: center;
    gap: 8px;
}

.inbox-list {
    flex: 1;
    overflow-y: auto;
}

.inbox-item {
    display: block;
    padding: 14px 16px;
    border-bottom: 1px solid var(--border-subtle);
    text-decoration: none;
    transition: all 0.15s ease;
}

.inbox-item:hover {
    background: var(--bg-hover);
}

.inbox-item.selected {
    background: var(--bg-elevated);
    border-left: 3px solid var(--accent-cyan);
}

.inbox-item.unread {
    background: rgba(0, 229, 255, 0.04);
}

.inbox-item-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 4px;
}

.inbox-item-user {
    font-weight: 700;
    color: #fff;
    font-size: 13px;
}

.inbox-item-time {
    font-size: 11px;
    color: var(--text-muted);
}

.inbox-item-sub {
    font-size: 12px;
    color: var(--text-muted);
    margin-bottom: 6px;
}

.inbox-item-preview {
    font-size: 12px;
    color: var(--text-secondary);
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
    display: flex;
    align-items: center;
    gap: 6px;
}

.badge-unread-dot {
    background: var(--accent-crimson);
    color: #fff;
    font-family: var(--font-mono);
    font-size: 9px;
    font-weight: 800;
    padding: 1px 4px;
    border-radius: 3px;
}

/* Right Column: Active Thread */
.inbox-main {
    background: var(--bg-surface);
    border: 1px solid var(--border-subtle);
    border-radius: 6px;
    display: flex;
    flex-direction: column;
    overflow: hidden;
}

.thread-header {
    padding: 16px 20px;
    border-bottom: 1px solid var(--border-subtle);
    display: flex;
    justify-content: space-between;
    align-items: center;
    background: var(--bg-void);
}

.thread-user-name {
    font-size: 16px;
    font-weight: 800;
    color: #fff;
    display: flex;
    align-items: center;
    gap: 8px;
}

.thread-user-email {
    font-size: 12px;
    color: var(--text-secondary);
    margin-top: 2px;
}

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

.thread-body {
    flex: 1;
    overflow-y: auto;
    padding: 20px;
    display: flex;
    flex-direction: column;
    gap: 16px;
}

.msg-bubble-wrap {
    display: flex;
    flex-direction: column;
    max-width: 75%;
}

.msg-user {
    align-self: flex-start;
}

.msg-admin {
    align-self: flex-end;
}

.msg-bubble {
    padding: 14px 16px;
    border-radius: 8px;
    border: 1px solid var(--border-subtle);
}

.msg-user .msg-bubble {
    background: var(--bg-elevated);
    border-color: var(--border-medium);
}

.msg-admin .msg-bubble {
    background: #142838;
    border-color: rgba(0, 229, 255, 0.3);
}

.msg-meta {
    display: flex;
    align-items: center;
    gap: 8px;
    margin-bottom: 6px;
    font-size: 11px;
}

.msg-sender {
    font-weight: 700;
    color: #fff;
}

.msg-role {
    font-family: var(--font-mono);
    font-size: 9px;
    background: var(--accent-cyan);
    color: #000;
    font-weight: 800;
    padding: 1px 4px;
    border-radius: 2px;
}

.msg-user .msg-role {
    background: var(--bg-void);
    color: var(--text-muted);
}

.msg-time {
    color: var(--text-muted);
    font-size: 10px;
}

.msg-content {
    font-size: 13px;
    line-height: 1.6;
    color: var(--text-primary);
}

/* Quick Response Snippets */
.thread-quick-templates {
    padding: 10px 20px;
    background: var(--bg-void);
    border-top: 1px solid var(--border-subtle);
    display: flex;
    align-items: center;
    gap: 8px;
    overflow-x: auto;
}

.templates-label {
    font-size: 11px;
    font-family: var(--font-mono);
    color: var(--text-muted);
    white-space: nowrap;
}

.template-chip {
    background: var(--bg-surface);
    border: 1px solid var(--border-medium);
    color: var(--text-secondary);
    font-family: var(--font-ui);
    font-size: 11px;
    font-weight: 600;
    padding: 4px 10px;
    border-radius: 12px;
    cursor: pointer;
    white-space: nowrap;
    transition: all 0.15s ease;
}

.template-chip:hover {
    color: var(--accent-cyan);
    border-color: var(--accent-cyan);
    background: var(--accent-cyan-glow);
}

/* Composer Form */
.thread-composer {
    padding: 16px 20px;
    border-top: 1px solid var(--border-subtle);
    background: var(--bg-surface);
}

.composer-textarea {
    resize: none;
    height: 72px;
    margin-bottom: 10px;
}

.composer-footer {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.composer-hint {
    font-size: 11px;
    color: var(--text-muted);
}

.inbox-empty-placeholder {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    flex: 1;
    color: var(--text-muted);
    text-align: center;
    padding: 40px;
}

.empty-icon {
    font-size: 48px;
    margin-bottom: 12px;
    opacity: 0.5;
}

/* ==========================================================================
   Modal Dialog (New Activation)
   ========================================================================== */
.modal-backdrop {
    position: fixed;
    top: 0;
    left: 0;
    width: 100vw;
    height: 100vh;
    background: rgba(0, 0, 0, 0.75);
    backdrop-filter: blur(4px);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 1000;
}

.modal-card {
    background: var(--bg-surface);
    border: 1px solid var(--border-medium);
    border-radius: 8px;
    width: 100%;
    max-width: 580px;
    box-shadow: 0 25px 50px rgba(0, 0, 0, 0.8);
    position: relative;
    overflow: hidden;
}

.modal-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 3px;
    background: linear-gradient(90deg, #00e5ff, #00e676);
}

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

.modal-title {
    font-size: 16px;
    font-weight: 800;
    color: #fff;
    display: flex;
    align-items: center;
    gap: 8px;
}

.modal-close {
    background: transparent;
    border: none;
    color: var(--text-muted);
    font-size: 24px;
    cursor: pointer;
    line-height: 1;
}

.modal-close:hover {
    color: #fff;
}

.modal-body {
    padding: 24px;
    display: flex;
    flex-direction: column;
    gap: 18px;
}

.modal-footer {
    padding: 16px 24px;
    border-top: 1px solid var(--border-subtle);
    background: var(--bg-void);
    display: flex;
    justify-content: flex-end;
    gap: 12px;
}

.form-group {
    display: flex;
    flex-direction: column;
    gap: 6px;
    position: relative;
}

.form-group label {
    font-family: var(--font-mono);
    font-size: 11px;
    font-weight: 700;
    color: var(--text-secondary);
    letter-spacing: 0.05em;
}

.form-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 14px;
}

/* User Autocomplete Dropdown */
.search-dropdown {
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    background: var(--bg-elevated);
    border: 1px solid var(--border-focus);
    border-radius: 4px;
    box-shadow: var(--shadow-dropdown);
    max-height: 220px;
    overflow-y: auto;
    z-index: 100;
}

.search-dropdown-item {
    padding: 10px 14px;
    border-bottom: 1px solid var(--border-subtle);
    cursor: pointer;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.search-dropdown-item:hover {
    background: var(--accent-cyan-glow);
}

.search-user-name {
    font-weight: 700;
    color: #fff;
}

.search-user-email {
    font-size: 11px;
    color: var(--text-muted);
}

.selected-user-card {
    background: var(--accent-cyan-glow);
    border: 1px solid var(--accent-cyan);
    border-radius: 4px;
    padding: 10px 14px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-top: 6px;
}

.info-callout {
    background: var(--bg-void);
    border-left: 3px solid var(--accent-cyan);
    padding: 12px 14px;
    border-radius: 0 4px 4px 0;
    font-size: 12px;
    color: var(--text-secondary);
    display: flex;
    align-items: flex-start;
    gap: 10px;
}

.info-callout code {
    color: var(--accent-cyan);
}

/* Alert Boxes */
.alert {
    padding: 12px 16px;
    border-radius: 5px;
    font-size: 13px;
    display: flex;
    align-items: center;
    gap: 10px;
    margin-bottom: 16px;
}

.alert-danger {
    background: rgba(255, 51, 102, 0.12);
    border: 1px solid rgba(255, 51, 102, 0.3);
    color: #ff4d79;
}

/* Toast Notifications */
.toast-container {
    position: fixed;
    bottom: 24px;
    right: 24px;
    display: flex;
    flex-direction: column;
    gap: 10px;
    z-index: 2000;
}

.toast {
    background: var(--bg-elevated);
    border: 1px solid var(--border-medium);
    border-left: 4px solid var(--accent-cyan);
    color: #fff;
    padding: 14px 20px;
    border-radius: 4px;
    box-shadow: var(--shadow-dropdown);
    font-size: 13px;
    display: flex;
    align-items: center;
    gap: 10px;
    animation: slideIn 0.3s ease;
}

.toast-success {
    border-left-color: var(--accent-emerald);
}

.toast-danger {
    border-left-color: var(--accent-crimson);
}

@keyframes slideIn {
    from { transform: translateX(100%); opacity: 0; }
    to { transform: translateX(0); opacity: 1; }
}

/* Utilities */
.mono-text { font-family: var(--font-mono); }
.text-cyan { color: var(--accent-cyan); }
.text-emerald { color: var(--accent-emerald); }
.text-amber { color: var(--accent-amber); }
.text-purple { color: var(--accent-purple); }
.text-muted { color: var(--text-muted); }
.text-success { color: var(--accent-emerald); }
.text-center { text-align: center; }
.font-bold { font-weight: 700; }
.py-4 { padding-top: 16px; padding-bottom: 16px; }
.py-5 { padding-top: 24px; padding-bottom: 24px; }