/* ==========================================
   SMTP CONTROL CENTER — DESIGN SYSTEM v2
   Sidebar-based layout | Green accent
   Inspired by Frappe UI + shadcn/ui
   ========================================== */
@import url('https://fonts.googleapis.com/css2?family=Outfit:wght@300;400;500;600;700&family=Playfair+Display:ital,wght@0,600;1,600&display=swap');

/* ==========================================
   CSS CUSTOM PROPERTIES
   ========================================== */
:root {
    /* Premium monochrome palette */
    --color-primary: #111111;
    --color-primary-hover: #333333;
    --color-primary-light: #555555;
    --color-primary-muted: #f1f3f5;
    --color-primary-surface: #ffffff;
    --color-primary-glow: rgba(0, 0, 0, 0.12);

    /* Surfaces */
    --color-bg: #f8f9fa;
    --color-surface: #ffffff;
    --color-surface-hover: #f1f3f5;
    --color-surface-muted: #f8f9fa;

    /* Text */
    --color-text: #333333;
    --color-text-secondary: #555555;
    --color-text-muted: #888888;
    --color-text-on-primary: #ffffff;

    /* Borders */
    --color-border: #eaeaea;
    --color-border-hover: #cccccc;

    /* Semantic */
    --color-success: #16a34a;
    --color-success-muted: #dcfce7;
    --color-warning: #f59e0b;
    --color-warning-muted: #fef3c7;
    --color-danger: #ef4444;
    --color-danger-muted: #fee2e2;
    --color-info: #0d6efd;
    --color-info-muted: #e0f2fe;

    /* Shadows */
    --shadow-xs: 0 1px 2px rgba(0, 0, 0, 0.02);
    --shadow-sm: 0 4px 20px rgba(0, 0, 0, 0.02);
    --shadow-md: 0 10px 30px rgba(0, 0, 0, 0.05);
    --shadow-lg: 0 20px 40px rgba(0, 0, 0, 0.08);

    /* Radii */
    --radius-sm: 4px;
    --radius-md: 6px;
    --radius-lg: 8px;
    --radius-xl: 12px;
    --radius-full: 9999px;

    /* Transitions */
    --transition-fast: 150ms cubic-bezier(0.4, 0, 0.2, 1);
    --transition-base: 200ms cubic-bezier(0.4, 0, 0.2, 1);
    --transition-slow: 300ms cubic-bezier(0.4, 0, 0.2, 1);

    /* Typography */
    --font-sans: 'Outfit', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    --font-serif: 'Playfair Display', serif;
    --font-mono: 'SF Mono', SFMono-Regular, Menlo, Monaco, Consolas, monospace;

    /* Layout */
    --sidebar-width: 260px;
    --topbar-height: 64px;
}


/* ==========================================
   GLOBAL RESET & TYPOGRAPHY
   ========================================== */
*, *::before, *::after {
    box-sizing: border-box;
}

body {
    font-family: var(--font-sans);
    color: var(--color-text);
    background-color: var(--color-bg);
    font-size: 14px;
    line-height: 1.6;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    min-height: 100vh;
    margin: 0;
}

h1, h2, h3, h4, h5, h6 {
    font-family: var(--font-serif);
    font-weight: 600;
    letter-spacing: -0.02em;
    color: var(--color-text);
    line-height: 1.3;
}

h1 { font-size: 1.875rem; font-weight: 700; }
h2 { font-size: 1.5rem; }
h3 { font-size: 1.25rem; }
h4 { font-size: 1.125rem; }
h5 { font-size: 1rem; }
h6 { font-size: 0.875rem; }

p { color: var(--color-text-secondary); }

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


/* ==========================================
   ACCESSIBILITY
   ========================================== */
a:focus-visible,
button:focus-visible,
input:focus-visible,
select:focus-visible,
textarea:focus-visible,
.form-check-input:focus-visible {
    outline: 2px solid var(--color-primary) !important;
    outline-offset: 2px !important;
    box-shadow: 0 0 0 4px var(--color-primary-glow) !important;
}

.skip-link {
    position: absolute;
    top: -100px;
    left: 20px;
    z-index: 10000;
    padding: 10px 20px;
    background-color: var(--color-primary);
    color: var(--color-text-on-primary);
    border-radius: var(--radius-md);
    text-decoration: none;
    font-weight: 600;
    font-size: 0.875rem;
    transition: top var(--transition-base);
}
.skip-link:focus {
    top: 20px;
    color: var(--color-text-on-primary);
}


/* ==========================================
   SCROLLBAR
   ========================================== */
::-webkit-scrollbar {
    width: 6px;
    height: 6px;
}
::-webkit-scrollbar-track {
    background: transparent;
}
::-webkit-scrollbar-thumb {
    background: var(--color-border);
    border-radius: 3px;
}
::-webkit-scrollbar-thumb:hover {
    background: var(--color-text-muted);
}


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

/* ---- Sidebar ---- */
.app-sidebar {
    width: var(--sidebar-width);
    height: 100vh;
    position: fixed;
    top: 0;
    left: 0;
    z-index: 1040;
    display: flex;
    flex-direction: column;
    background-color: var(--color-surface);
    border-right: 1px solid var(--color-border);
    overflow-y: auto;
    overflow-x: hidden;
    transition: transform var(--transition-slow);
}

.sidebar-header {
    height: var(--topbar-height);
    padding: 0 20px;
    display: flex;
    align-items: center;
    gap: 12px;
    border-bottom: 1px solid var(--color-border);
    flex-shrink: 0;
}

.sidebar-logo-wrapper {
    width: 36px;
    height: 36px;
    border-radius: var(--radius-md);
    overflow: hidden;
    border: 1px solid var(--color-border);
    flex-shrink: 0;
    display: flex;
    align-items: center;
    justify-content: center;
    background: #fff;
}

.sidebar-logo-wrapper img {
    width: 100%;
    height: 100%;
    object-fit: contain;
}

.sidebar-brand {
    font-size: 1rem;
    font-weight: 700;
    color: var(--color-text);
    letter-spacing: -0.02em;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

/* Nav sections */
.sidebar-nav {
    flex: 1;
    padding: 12px 12px 0;
    overflow-y: auto;
}

.sidebar-section-label {
    font-size: 0.6875rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.08em;
    color: var(--color-text-muted);
    padding: 16px 12px 6px;
    display: block;
}

.sidebar-nav-item {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 8px 12px;
    border-radius: var(--radius-md);
    font-size: 0.875rem;
    font-weight: 500;
    color: var(--color-text-secondary);
    text-decoration: none;
    transition: all var(--transition-fast);
    margin-bottom: 2px;
    cursor: pointer;
    position: relative;
}

.sidebar-nav-item i {
    font-size: 1.1rem;
    width: 20px;
    text-align: center;
    flex-shrink: 0;
    transition: transform var(--transition-fast);
}

.sidebar-nav-item:hover {
    background-color: var(--color-surface-muted);
    color: var(--color-text);
    text-decoration: none;
}

.sidebar-nav-item:hover i {
    transform: scale(1.05);
}

.sidebar-nav-item.active {
    background-color: var(--color-primary-muted);
    color: var(--color-primary);
    font-weight: 600;
}

.sidebar-nav-item.active i {
    color: var(--color-primary);
}

/* Sidebar footer section */
.sidebar-footer {
    padding: 12px;
    border-top: 1px solid var(--color-border);
    flex-shrink: 0;
}

.sidebar-footer .sidebar-nav-item {
    margin-bottom: 2px;
}

.sidebar-nav-item.danger-item {
    color: var(--color-danger);
}
.sidebar-nav-item.danger-item:hover {
    background-color: var(--color-danger-muted);
    color: var(--color-danger);
}


/* ---- Main Content Area ---- */
.app-main {
    flex: 1;
    margin-left: var(--sidebar-width);
    display: flex;
    flex-direction: column;
    min-height: 100vh;
    min-width: 0;
}

/* ---- Top Bar ---- */
.app-topbar {
    height: var(--topbar-height);
    background-color: var(--color-surface);
    border-bottom: 1px solid var(--color-border);
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0 24px;
    position: sticky;
    top: 0;
    z-index: 1030;
    flex-shrink: 0;
}

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

.topbar-right {
    display: flex;
    align-items: center;
    gap: 12px;
}

.topbar-page-title {
    font-size: 1.125rem;
    font-weight: 600;
    color: var(--color-text);
    letter-spacing: -0.01em;
}

.topbar-search {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 6px 14px;
    background-color: var(--color-bg);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    color: var(--color-text-muted);
    font-size: 0.8125rem;
    cursor: pointer;
    transition: all var(--transition-fast);
    min-width: 220px;
}
.topbar-search:hover {
    border-color: var(--color-border-hover);
    background-color: var(--color-surface);
}
.topbar-search kbd {
    font-family: var(--font-sans);
    font-size: 0.6875rem;
    padding: 1px 6px;
    background-color: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: 4px;
    color: var(--color-text-muted);
    margin-left: auto;
}

.topbar-user {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 4px 12px 4px 4px;
    border-radius: var(--radius-full);
    background-color: var(--color-bg);
    border: 1px solid var(--color-border);
    font-size: 0.8125rem;
    font-weight: 500;
    color: var(--color-text-secondary);
    cursor: default;
}

.topbar-avatar {
    width: 28px;
    height: 28px;
    border-radius: var(--radius-full);
    background-color: var(--color-primary);
    color: var(--color-text-on-primary);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 0.75rem;
    font-weight: 700;
}

.topbar-icon-btn {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 36px;
    height: 36px;
    border-radius: var(--radius-md);
    border: none;
    background: transparent;
    color: var(--color-text-secondary);
    cursor: pointer;
    transition: all var(--transition-fast);
    font-size: 1.1rem;
}
.topbar-icon-btn:hover {
    background-color: var(--color-bg);
    color: var(--color-text);
}

/* Mobile sidebar toggle */
.sidebar-toggle {
    display: none;
    align-items: center;
    justify-content: center;
    width: 36px;
    height: 36px;
    border-radius: var(--radius-md);
    border: 1px solid var(--color-border);
    background: var(--color-surface);
    color: var(--color-text);
    cursor: pointer;
    font-size: 1.2rem;
    flex-shrink: 0;
}

.sidebar-close-btn {
    display: none;
    position: absolute;
    top: 14px;
    right: 12px;
    width: 28px;
    height: 28px;
    border-radius: var(--radius-sm);
    border: none;
    background: transparent;
    color: var(--color-text-muted);
    cursor: pointer;
    font-size: 1.1rem;
    align-items: center;
    justify-content: center;
    z-index: 10;
}
.sidebar-close-btn:hover {
    background-color: var(--color-bg);
    color: var(--color-text);
}

/* Sidebar overlay for mobile */
.sidebar-overlay {
    display: none;
    position: fixed;
    inset: 0;
    background: rgba(0, 0, 0, 0.4);
    z-index: 1035;
    backdrop-filter: blur(2px);
}

/* ---- Content ---- */
.app-content {
    flex: 1;
    padding: 24px;
    max-width: 100%;
}

.app-footer {
    padding: 16px 24px;
    font-size: 0.75rem;
    color: var(--color-text-muted);
    display: flex;
    justify-content: space-between;
    align-items: center;
    border-top: 1px solid var(--color-border);
    flex-shrink: 0;
}


/* ==========================================
   RESPONSIVE — MOBILE
   ========================================== */
@media (max-width: 991.98px) {
    .app-sidebar {
        transform: translateX(-100%);
        box-shadow: var(--shadow-lg);
    }

    .app-sidebar.sidebar-open {
        transform: translateX(0);
    }

    .sidebar-overlay.show {
        display: block;
    }

    .sidebar-toggle {
        display: flex;
    }

    .sidebar-close-btn {
        display: flex;
    }

    .app-main {
        margin-left: 0;
    }

    .topbar-search {
        display: none;
    }

    .app-content {
        padding: 16px;
    }

    .app-footer {
        padding: 12px 16px;
        flex-direction: column;
        gap: 4px;
        text-align: center;
    }
}

@media (max-width: 575.98px) {
    .topbar-user span {
        display: none;
    }
}


/* ==========================================
   CARDS
   ========================================== */
.card {
    background-color: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow-sm);
    transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
}

.card:hover {
    box-shadow: var(--shadow-md);
    border-color: var(--color-border-hover);
}

.card-header {
    background-color: transparent;
    border-bottom: 1px solid var(--color-border);
    padding: 1.5rem;
}

.card-title {
    font-size: 1.25rem;
    font-family: var(--font-serif);
    font-weight: 600;
    color: var(--color-text);
    margin-bottom: 0;
}


/* ==========================================
   METRIC / KPI CARDS
   ========================================== */
.metric-card {
    position: relative;
    overflow: hidden;
    border: 1px solid var(--color-border) !important;
    border-radius: var(--radius-lg) !important;
    transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
}

.metric-card:hover {
    border-color: var(--color-border-hover) !important;
    box-shadow: var(--shadow-sm);
    transform: none;
}

.metric-icon {
    width: 44px;
    height: 44px;
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 18px;
    flex-shrink: 0;
    transition: background-color var(--transition-fast);
}

/* Colored accent stripe on left edge removed for clean flat design */
.metric-card--green { }
.metric-card--blue { }
.metric-card--red { }
.metric-card--yellow { }
.metric-card--primary { }


/* ==========================================
   STATUS INDICATORS
   ========================================== */
.status-indicator {
    display: inline-block;
    width: 8px;
    height: 8px;
    border-radius: var(--radius-full);
    margin-right: 6px;
}
.status-active {
    background-color: var(--color-success);
    box-shadow: 0 0 6px rgba(22, 163, 74, 0.3);
}
.status-inactive {
    background-color: var(--color-danger);
    box-shadow: 0 0 6px rgba(239, 68, 68, 0.3);
}


/* ==========================================
   BUTTONS
   ========================================== */
.btn {
    border-radius: var(--radius-md);
    font-weight: 500;
    font-size: 0.875rem;
    padding: 8px 16px;
    font-family: var(--font-sans);
    transition: all var(--transition-fast);
    display: inline-flex;
    align-items: center;
    gap: 6px;
    cursor: pointer;
    line-height: 1.4;
}

.btn:active {
    transform: scale(0.98);
}

/* Primary green */
.btn-primary {
    background-color: var(--color-primary);
    border: none;
    color: var(--color-text-on-primary);
    padding: 10px 20px;
}
.btn-primary:hover, .btn-primary:focus {
    background-color: var(--color-primary-hover);
    color: var(--color-text-on-primary);
    transform: translateY(-2px);
    box-shadow: var(--shadow-sm);
}

/* Outline variant */
.btn-outline-primary {
    border: 1px solid var(--color-primary);
    color: var(--color-primary);
    background: transparent;
}
.btn-outline-primary:hover {
    background-color: var(--color-primary);
    color: var(--color-text-on-primary);
}

/* Ghost / subtle variant */
.btn-outline-secondary {
    border: 1px solid var(--color-border);
    color: var(--color-text-secondary);
    background: var(--color-surface);
}
.btn-outline-secondary:hover {
    background: var(--color-bg);
    border-color: var(--color-border-hover);
    color: var(--color-text);
}

/* Danger */
.btn-danger,
.btn-outline-danger:hover {
    background-color: var(--color-danger);
    border-color: var(--color-danger);
    color: #fff;
}
.btn-outline-danger {
    border: 1px solid var(--color-danger);
    color: var(--color-danger);
    background: transparent;
}

/* Success */
.btn-success {
    background-color: var(--color-success);
    border-color: var(--color-success);
    color: #fff;
}

/* Disabled state overrides */
.btn-primary:disabled, .btn-primary.disabled {
    background-color: var(--color-primary);
    border-color: var(--color-primary);
    color: var(--color-text-on-primary);
    opacity: 0.55;
}

.form-control:disabled, .form-control[disabled] {
    background-color: var(--color-bg);
    opacity: 0.7;
    cursor: not-allowed;
}


/* ==========================================
   FORM CONTROLS
   ========================================== */
.form-label {
    display: block;
    color: #555;
    font-size: 0.85rem;
    margin-bottom: 0.5rem;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    font-weight: 600;
}

.form-control, .form-select {
    background-color: var(--color-surface);
    border: 1px solid var(--color-border);
    color: var(--color-text);
    border-radius: var(--radius-md);
    padding: 8px 12px;
    font-size: 0.875rem;
    font-family: var(--font-sans);
    transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
    line-height: 1.5;
}

.form-control:focus, .form-select:focus {
    background-color: var(--color-surface);
    border-color: var(--color-primary);
    color: var(--color-text);
    box-shadow: 0 0 0 3px var(--color-primary-glow);
}

.form-control::placeholder {
    color: var(--color-text-muted);
}

.form-check-input:checked {
    background-color: var(--color-primary);
    border-color: var(--color-primary);
}

/* Form floating overrides */
.form-floating > .form-control:focus ~ label,
.form-floating > .form-control:not(:placeholder-shown) ~ label,
.form-floating > .form-select ~ label {
    color: var(--color-primary);
}


/* ==========================================
   BADGES
   ========================================== */
.badge {
    padding: 4px 10px;
    font-weight: 500;
    font-size: 0.75rem;
    border-radius: var(--radius-full);
    font-family: var(--font-sans);
    display: inline-flex;
    align-items: center;
    gap: 4px;
}

.badge-sent {
    background-color: var(--color-success-muted);
    color: var(--color-success);
    border: 1px solid rgba(22, 163, 74, 0.2);
}
.badge-failed {
    background-color: var(--color-danger-muted);
    color: var(--color-danger);
    border: 1px solid rgba(239, 68, 68, 0.2);
}
.badge-queued {
    background-color: var(--color-warning-muted);
    color: var(--color-warning);
    border: 1px solid rgba(245, 158, 11, 0.2);
}


/* ==========================================
   TABLES
   ========================================== */
.table-responsive {
    border-radius: var(--radius-lg);
    border: 1px solid var(--color-border);
}

@media (min-width: 768px) {
    .table-responsive {
        overflow: visible;
    }
}

@media (max-width: 767.98px) {
    .table-responsive {
        overflow-x: auto;
    }
}

.table {
    margin-bottom: 0;
    background-color: var(--color-surface);
    font-size: 0.875rem;
}

.table th {
    background-color: #f8f9fa;
    color: #333333;
    font-weight: 600;
    font-size: 0.875rem;
    border-bottom: 1px solid var(--color-border);
    padding: 1rem;
    text-align: left;
}

.table td {
    padding: 1rem;
    border-bottom: 1px solid var(--color-border);
    color: #444444;
    vertical-align: middle;
}

.table tbody tr:last-child td {
    border-bottom: none;
}

.table tbody tr:hover {
    background-color: var(--color-surface-hover);
}

/* Fix table corners bleeding out of container when overflow is visible */
.table-responsive .table thead tr:first-child th:first-child {
    border-top-left-radius: calc(var(--radius-lg) - 1px);
}
.table-responsive .table thead tr:first-child th:last-child {
    border-top-right-radius: calc(var(--radius-lg) - 1px);
}
.table-responsive .table tbody tr:last-child td:first-child {
    border-bottom-left-radius: calc(var(--radius-lg) - 1px);
}
.table-responsive .table tbody tr:last-child td:last-child {
    border-bottom-right-radius: calc(var(--radius-lg) - 1px);
}

.tabular-nums {
    font-variant-numeric: tabular-nums;
}


/* ==========================================
   TABS / PILLS
   ========================================== */
.nav-pills .nav-link {
    font-weight: 500;
    font-size: 0.875rem;
    color: var(--color-text-secondary);
    border-radius: var(--radius-md);
    padding: 8px 16px;
    transition: all var(--transition-fast);
    border: 1px solid transparent;
}

.nav-pills .nav-link:hover {
    background-color: var(--color-bg);
    color: var(--color-text);
}

.nav-pills .nav-link.active {
    background-color: var(--color-primary);
    color: var(--color-text-on-primary);
    border-color: var(--color-primary);
}


/* ==========================================
   MODALS
   ========================================== */
.modal-content {
    border: 1px solid var(--color-border);
    border-radius: var(--radius-xl);
    background-color: var(--color-surface);
    box-shadow: var(--shadow-lg);
}

.modal-header {
    border-bottom: 1px solid var(--color-border);
    padding: 16px 20px;
}

.modal-body {
    padding: 20px;
}

.modal-footer {
    border-top: 1px solid var(--color-border);
    padding: 12px 20px;
}


/* ==========================================
   ALERTS
   ========================================== */
.alert {
    border-radius: var(--radius-md);
    font-size: 0.875rem;
    border: 1px solid;
}

.alert-danger {
    background-color: var(--color-danger-muted);
    border-color: rgba(239, 68, 68, 0.2);
    color: var(--color-danger);
}

.alert-success {
    background-color: var(--color-success-muted);
    border-color: rgba(22, 163, 74, 0.2);
    color: var(--color-success);
}

.alert-warning {
    background-color: var(--color-warning-muted);
    border-color: rgba(245, 158, 11, 0.2);
    color: #92400e;
}

.alert-info {
    background-color: var(--color-info-muted);
    border-color: rgba(14, 165, 233, 0.2);
    color: #0369a1;
}


/* ==========================================
   DNS / CODE BLOCKS
   ========================================== */
.dns-record-box {
    background-color: var(--color-bg);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    padding: 12px 14px;
    font-family: var(--font-mono);
    font-size: 0.8125rem;
    position: relative;
    word-break: break-all;
    line-height: 1.6;
}

.dns-copy-btn {
    position: absolute;
    right: 8px;
    top: 8px;
    padding: 3px 8px;
    font-size: 0.6875rem;
    border-radius: var(--radius-sm);
}


/* ==========================================
   LANE ICONS (lists)
   ========================================== */
.lane-icon {
    width: 20px;
    flex-shrink: 0;
    text-align: center;
}


/* ==========================================
   LOGIN PAGE
   ========================================== */
.login-body {
    background: var(--color-bg);
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 20px;
    position: relative;
    overflow: hidden;
}

.login-card {
    max-width: 440px;
    width: 100%;
    border-radius: var(--radius-xl);
    border: 1px solid var(--color-border);
    background: var(--color-surface);
    box-shadow: var(--shadow-lg);
    padding: 2.5rem;
    position: relative;
    z-index: 1;
}

.login-card .form-control {
    border-radius: var(--radius-md);
    padding: 10px 14px;
    font-size: 0.9375rem;
}

.login-card .form-control:focus {
    border-color: var(--color-primary);
    box-shadow: 0 0 0 3px var(--color-primary-glow);
}


/* ==========================================
   PAGE HEADER / BREADCRUMB AREA
   ========================================== */
.page-header {
    margin-bottom: 24px;
}

.page-header h1 {
    font-size: 1.5rem;
    font-weight: 700;
    margin-bottom: 4px;
}

.page-header p {
    font-size: 0.875rem;
    color: var(--color-text-muted);
    margin-bottom: 0;
}


/* ==========================================
   EMPTY STATES
   ========================================== */
.empty-state {
    text-align: center;
    padding: 48px 24px;
    color: var(--color-text-muted);
}

.empty-state i {
    font-size: 2.5rem;
    margin-bottom: 12px;
    display: block;
    color: var(--color-text-muted);
    opacity: 0.5;
}


/* ==========================================
   PREMIUM CIRCULAR GAUGES & VISUALIZATIONS
   (preserved from original)
   ========================================== */
.gauge-container {
    position: relative;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    transition: transform var(--transition-slow);
}

.gauge-container:hover {
    transform: scale(1.02);
}

.gauge-svg {
    overflow: visible;
}

@keyframes pulse-glow {
    0%, 100% {
        filter: drop-shadow(0 0 4px var(--gauge-glow-color, rgba(22, 163, 74, 0.2)));
    }
    50% {
        filter: drop-shadow(0 0 12px var(--gauge-glow-color, rgba(22, 163, 74, 0.6)));
    }
}

.pulse-glow-effect {
    animation: pulse-glow 2s infinite ease-in-out;
}

.gauge-tick {
    stroke-linecap: round;
    transition: stroke 0.4s cubic-bezier(0.4, 0, 0.2, 1), stroke-width 0.3s cubic-bezier(0.4, 0, 0.2, 1), filter 0.3s;
}

.gauge-tick.active {
    filter: drop-shadow(0 0 3px var(--tick-active-color));
}

.gauge-value {
    font-family: var(--font-sans);
    font-weight: 700;
    fill: var(--color-text);
    transition: fill 0.3s;
}

.gauge-label {
    font-family: var(--font-sans);
    font-weight: 600;
    fill: var(--color-text-secondary);
    font-size: 11px;
    letter-spacing: 0.05em;
    text-transform: uppercase;
    transition: fill 0.3s;
}

.gauge-sublabel {
    font-family: var(--font-sans);
    font-weight: 400;
    fill: var(--color-text-muted);
    font-size: 10px;
    transition: fill 0.3s;
}

/* Gauge Colors & Gradients */
:root {
    --color-critical-start: #fca5a5;
    --color-critical-mid: #ef4444;
    --color-critical-end: #b91c1c;

    --color-poor-start: #fdba74;
    --color-poor-mid: #f97316;
    --color-poor-end: #c2410c;

    --color-average-start: #fef08a;
    --color-average-mid: #eab308;
    --color-average-end: #a16207;

    --color-good-start: #a7f3d0;
    --color-good-mid: #10b981;
    --color-good-end: #047857;

    --color-excellent-start: #86efac;
    --color-excellent-mid: #22c55e;
    --color-excellent-end: #166534;

    --gauge-track-color: #e2e8f0;
}



.multi-ring-path {
    stroke-linecap: round;
    transition: stroke-dashoffset 1s cubic-bezier(0.34, 1.56, 0.64, 1);
}

.multi-ring-bg {
    stroke: var(--gauge-track-color);
    stroke-linecap: round;
}

.segmented-ring-segment {
    transition: stroke-dashoffset 0.8s cubic-bezier(0.4, 0, 0.2, 1), stroke 0.4s;
    stroke-linecap: round;
}

.circular-progress-ring-circle {
    transform: rotate(-90deg);
    transform-origin: 50% 50%;
    transition: stroke-dashoffset 0.8s cubic-bezier(0.4, 0, 0.2, 1);
}


/* ==========================================
   UTILITY OVERRIDES & ANIMATIONS
   ========================================== */
/* Smooth page transitions */
@keyframes fadeIn {
    from { opacity: 0; transform: translateY(6px); }
    to { opacity: 1; transform: translateY(0); }
}

.app-content {
    animation: fadeIn 0.3s ease-out;
}

/* Toast override — top-right position */
#toast-container {
    position: fixed !important;
    top: 16px !important;
    right: 16px !important;
    bottom: auto !important;
    left: auto !important;
    z-index: 9999 !important;
    max-width: 380px;
}

/* Fix Bootstrap overrides for our theme */
.text-primary { color: var(--color-primary) !important; }
.text-success { color: var(--color-success) !important; }
.text-danger { color: var(--color-danger) !important; }
.text-warning { color: var(--color-warning) !important; }
.text-info { color: var(--color-info) !important; }
.text-secondary { color: var(--color-text-secondary) !important; }
.text-muted { color: var(--color-text-muted) !important; }
.bg-primary { background-color: var(--color-primary) !important; }

/* Navbar cleanup — override Bootstrap navbar for compatibility */
nav.navbar { display: none !important; }

/* Border utility override */
.border-0 { border: none !important; }

/* Form switch (toggle) color override */
.form-check-input:checked {
    background-color: var(--color-primary);
    border-color: var(--color-primary);
}

/* Spinner override */
.spinner-border.text-primary {
    color: var(--color-primary) !important;
}

/* Selection color */
::selection {
    background-color: var(--color-primary-muted);
    color: var(--color-primary);
}

/* Legacy class aliases for backward compatibility */
.font-outfit { font-family: var(--font-sans); }
.font-mono, .font-monospace { font-family: var(--font-mono); }