/**
 * Email Tracker — SaaS Design System
 * Inspired by modern product dashboards (Linear, Stripe, Vercel aesthetic)
 */

:root {
    --saas-primary: #6366f1;
    --saas-primary-hover: #4f46e5;
    --saas-primary-soft: rgba(99, 102, 241, 0.1);
    --saas-secondary: #64748b;
    --saas-bg: #f4f6fb;
    --saas-surface: #ffffff;
    --saas-border: #e8ecf3;
    --saas-border-strong: #d8dee9;
    --saas-text: #0f172a;
    --saas-text-muted: #64748b;
    --saas-text-soft: #94a3b8;
    --saas-success: #10b981;
    --saas-warning: #f59e0b;
    --saas-danger: #ef4444;
    --saas-info: #3b82f6;
    --saas-sidebar-width: 260px;
    --saas-sidebar-collapsed: 76px;
    --saas-topbar-height: 56px;
    --saas-space-page: 1.125rem;
    --saas-space-section: 0.875rem;
    --saas-space-nav: 0.625rem;
    --saas-radius: 12px;
    --saas-radius-sm: 8px;
    --saas-shadow-sm: 0 1px 2px rgba(15, 23, 42, 0.04);
    --saas-shadow: 0 4px 16px rgba(15, 23, 42, 0.06);
    --saas-shadow-hover: 0 8px 24px rgba(15, 23, 42, 0.08);
    --saas-font: 'Inter', system-ui, -apple-system, sans-serif;
    --bs-primary: var(--saas-primary);
    --bs-primary-rgb: 99, 102, 241;
    --bs-body-bg: var(--saas-bg);
    --bs-body-color: var(--saas-text);
    --bs-border-color: var(--saas-border);
}

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

html,
body {
    height: 100%;
}

body.saas-app {
    margin: 0;
    font-family: var(--saas-font);
    background: var(--saas-bg);
    color: var(--saas-text);
    -webkit-font-smoothing: antialiased;
}

a {
    color: inherit;
    text-decoration: none;
}

/* ─── App Shell ─── */

.saas-app-shell {
    display: flex;
    min-height: 100vh;
}

.saas-main {
    flex: 1;
    min-width: 0;
    margin-left: var(--saas-sidebar-width);
    display: flex;
    flex-direction: column;
    transition: margin-left 0.2s ease;
}

body.saas-sidebar-collapsed .saas-main {
    margin-left: var(--saas-sidebar-collapsed);
}

.saas-content {
    flex: 1;
    padding: var(--saas-space-page) 1.375rem;
    overflow-x: hidden;
}

@media (max-width: 991.98px) {
    .saas-main {
        margin-left: 0;
    }
}

/* ─── Sidebar ─── */

.saas-sidebar {
    position: fixed;
    inset: 0 auto 0 0;
    width: var(--saas-sidebar-width);
    background: var(--saas-surface);
    border-right: 1px solid var(--saas-border);
    display: flex;
    flex-direction: column;
    z-index: 1040;
    transition: width 0.2s ease, transform 0.2s ease;
}

body.saas-sidebar-collapsed .saas-sidebar {
    width: var(--saas-sidebar-collapsed);
}

.saas-sidebar-brand {
    display: flex;
    align-items: center;
    gap: 0.625rem;
    padding: 0.875rem 0.875rem;
    border-bottom: 1px solid var(--saas-border);
    min-height: var(--saas-topbar-height);
}

.saas-sidebar-logo {
    width: 36px;
    height: 36px;
    border-radius: 10px;
    background: linear-gradient(135deg, #6366f1, #8b5cf6);
    color: #fff;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
    font-size: 1rem;
}

.saas-sidebar-title {
    font-size: 0.9375rem;
    font-weight: 700;
    letter-spacing: -0.02em;
    white-space: nowrap;
}

body.saas-sidebar-collapsed .saas-sidebar-title,
body.saas-sidebar-collapsed .saas-nav-label,
body.saas-sidebar-collapsed .saas-sidebar-section {
    opacity: 0;
    width: 0;
    overflow: hidden;
}

.saas-sidebar-nav {
    flex: 1;
    padding: 0.625rem;
    overflow-y: auto;
    display: flex;
    flex-direction: column;
    gap: var(--saas-space-nav);
}

.saas-sidebar-section {
    font-size: 0.6875rem;
    font-weight: 600;
    letter-spacing: 0.08em;
    text-transform: uppercase;
    color: var(--saas-text-soft);
    padding: 0.75rem 0.75rem 0.5rem;
    transition: opacity 0.2s ease;
}

.saas-nav-item {
    display: flex;
    align-items: center;
    gap: 0.625rem;
    padding: 0.5rem 0.625rem;
    border-radius: var(--saas-radius-sm);
    color: var(--saas-secondary);
    font-size: 0.875rem;
    font-weight: 500;
    border-left: 3px solid transparent;
    transition: background 0.15s ease, color 0.15s ease, border-color 0.15s ease;
}

.saas-nav-item i {
    font-size: 1.05rem;
    width: 1.25rem;
    text-align: center;
    flex-shrink: 0;
}

.saas-nav-item:hover {
    background: #f8fafc;
    color: var(--saas-text);
}

.saas-nav-item.is-active {
    background: var(--saas-primary-soft);
    color: var(--saas-primary-hover);
    border-left-color: var(--saas-primary);
}

.saas-nav-item.is-disabled {
    opacity: 0.55;
    cursor: not-allowed;
}

.saas-sidebar-footer {
    padding: 0.625rem;
    border-top: 1px solid var(--saas-border);
}

.saas-sidebar-collapse-btn {
    width: 100%;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    padding: 0.5rem;
    border: 1px solid var(--saas-border);
    border-radius: var(--saas-radius-sm);
    background: #fff;
    color: var(--saas-secondary);
    font-size: 0.8125rem;
    cursor: pointer;
}

.saas-sidebar-collapse-btn:hover {
    background: #f8fafc;
}

@media (max-width: 991.98px) {
    .saas-sidebar {
        transform: translateX(-100%);
    }

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

    .saas-sidebar-collapse-btn {
        display: none;
    }
}

/* ─── Topbar ─── */

.saas-topbar {
    position: sticky;
    top: 0;
    z-index: 1030;
    height: var(--saas-topbar-height);
    background: rgba(255, 255, 255, 0.85);
    backdrop-filter: blur(12px);
    border-bottom: 1px solid var(--saas-border);
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 1rem;
    padding: 0 1.125rem;
}

.saas-topbar-left {
    display: flex;
    align-items: center;
    gap: 1rem;
    min-width: 0;
}

.saas-topbar-menu-btn {
    display: none;
    border: none;
    background: transparent;
    color: var(--saas-text);
    font-size: 1.25rem;
    padding: 0.25rem;
}

@media (max-width: 991.98px) {
    .saas-topbar-menu-btn {
        display: inline-flex;
    }
}

.saas-page-heading {
    min-width: 0;
}

.saas-page-title {
    font-size: 1.25rem;
    font-weight: 700;
    letter-spacing: -0.02em;
    margin: 0;
    line-height: 1.2;
}

.saas-page-subtitle {
    font-size: 0.8125rem;
    color: var(--saas-text-muted);
    margin: 0.125rem 0 0;
}

.saas-topbar-right {
    display: flex;
    align-items: center;
    gap: 0.75rem;
}

.saas-topbar-search {
    position: relative;
    width: 240px;
}

.saas-topbar-search i {
    position: absolute;
    left: 0.75rem;
    top: 50%;
    transform: translateY(-50%);
    color: var(--saas-text-soft);
}

.saas-topbar-search input {
    width: 100%;
    padding: 0.5rem 0.75rem 0.5rem 2.25rem;
    border: 1px solid var(--saas-border);
    border-radius: 999px;
    font-size: 0.8125rem;
    background: #f8fafc;
}

.saas-topbar-search input:focus {
    outline: none;
    border-color: var(--saas-primary);
    box-shadow: 0 0 0 3px var(--saas-primary-soft);
    background: #fff;
}

@media (max-width: 767.98px) {
    .saas-topbar-search {
        display: none;
    }
}

.saas-icon-btn {
    width: 38px;
    height: 38px;
    border-radius: 999px;
    border: 1px solid var(--saas-border);
    background: #fff;
    color: var(--saas-secondary);
    display: inline-flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    transition: background 0.15s ease, border-color 0.15s ease;
}

.saas-icon-btn:hover {
    background: #f8fafc;
    border-color: var(--saas-border-strong);
}

.saas-user-menu .dropdown-toggle,
.saas-user-menu .saas-user-trigger {
    display: inline-flex;
    align-items: center;
    gap: 0.75rem;
    border: 1px solid var(--saas-border);
    border-radius: 999px;
    padding: 0.375rem 0.875rem 0.375rem 0.375rem;
    background: #fff;
    cursor: pointer;
    min-height: 48px;
    max-width: 100%;
    box-shadow: var(--saas-shadow-sm);
    transition: background 0.15s ease, border-color 0.15s ease, box-shadow 0.15s ease;
}

.saas-user-menu .dropdown-toggle:hover,
.saas-user-menu .saas-user-trigger:hover {
    background: #f8fafc;
    border-color: var(--saas-border-strong);
}

.saas-user-menu .dropdown-toggle::after {
    margin-left: 0.125rem;
    flex-shrink: 0;
    align-self: center;
}

.saas-user-avatar {
    position: relative;
    width: 40px;
    height: 40px;
    min-width: 40px;
    min-height: 40px;
    border-radius: 50%;
    background: linear-gradient(135deg, #6366f1, #8b5cf6);
    color: #fff;
    flex-shrink: 0;
    overflow: hidden;
    border: 1px solid rgba(255, 255, 255, 0.85);
    box-shadow: 0 1px 3px rgba(15, 23, 42, 0.12);
}

.saas-user-avatar-img {
    position: absolute;
    inset: 0;
    width: 100%;
    height: 100%;
    max-width: none;
    display: block;
    object-fit: cover;
    object-position: center center;
    border-radius: 50%;
}

.saas-user-avatar-initials {
    position: absolute;
    inset: 0;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 0.875rem;
    font-weight: 600;
    line-height: 1;
    letter-spacing: 0.02em;
    user-select: none;
    text-transform: uppercase;
}

.saas-user-meta {
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: flex-start;
    gap: 0.125rem;
    min-width: 0;
    line-height: 1.2;
}

.saas-user-name {
    display: block;
    font-size: 0.8125rem;
    font-weight: 600;
    max-width: 140px;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.saas-user-email {
    display: block;
    font-size: 0.6875rem;
    color: var(--saas-text-muted);
    max-width: 140px;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

@media (max-width: 575.98px) {
    .saas-user-menu .dropdown-toggle,
    .saas-user-menu .saas-user-trigger {
        gap: 0.625rem;
        padding: 0.3125rem 0.625rem 0.3125rem 0.3125rem;
        min-height: 44px;
    }

    .saas-user-avatar {
        width: 36px;
        height: 36px;
        min-width: 36px;
        min-height: 36px;
    }

    .saas-user-avatar-initials {
        font-size: 0.8125rem;
    }

    .saas-user-email {
        display: none;
    }

    .saas-user-name {
        max-width: 110px;
    }
}

.saas-nav-item:focus-visible,
.saas-btn:focus-visible,
.saas-icon-btn:focus-visible,
.saas-sidebar-collapse-btn:focus-visible,
.saas-user-menu .dropdown-toggle:focus-visible,
.saas-topbar-search input:focus-visible,
.saas-input:focus-visible,
.saas-select:focus-visible {
    outline: 2px solid var(--saas-primary);
    outline-offset: 2px;
}

/* ─── Cards & Surfaces ─── */

.saas-card {
    background: var(--saas-surface);
    border: 1px solid var(--saas-border);
    border-radius: var(--saas-radius-sm);
    box-shadow: none;
}

.saas-card-header {
    padding: 0.75rem 1rem;
    border-bottom: 1px solid var(--saas-border);
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 0.75rem;
    min-height: 44px;
}

.saas-card-title {
    font-size: 0.9375rem;
    font-weight: 600;
    margin: 0;
}

.saas-card-body {
    padding: 0.875rem 1rem;
}

.saas-card-body--tight {
    padding: 0.75rem 1rem;
}

.saas-card-body-flush {
    padding: 0;
}

.saas-card-footer {
    padding: 0.875rem 1.25rem;
    border-top: 1px solid var(--saas-border);
    background: #fafbfd;
    border-radius: 0 0 var(--saas-radius) var(--saas-radius);
}

/* ─── Stat Cards ─── */

.saas-stat-grid {
    display: grid;
    grid-template-columns: repeat(6, minmax(0, 1fr));
    gap: 0.75rem;
}

@media (max-width: 1399.98px) {
    .saas-stat-grid {
        grid-template-columns: repeat(3, minmax(0, 1fr));
    }
}

@media (max-width: 767.98px) {
    .saas-stat-grid {
        grid-template-columns: repeat(2, minmax(0, 1fr));
    }
}

@media (max-width: 479.98px) {
    .saas-stat-grid {
        grid-template-columns: 1fr;
    }
}

.saas-stat-card {
    background: var(--saas-surface);
    border: 1px solid var(--saas-border);
    border-radius: var(--saas-radius-sm);
    padding: 0.875rem 1rem;
    box-shadow: none;
    transition: border-color 0.15s ease, background 0.15s ease;
}

.saas-stat-card--kpi {
    padding: 0.875rem 1rem;
}

.saas-stat-card--compact {
    display: flex;
    align-items: center;
    gap: 0.75rem;
}

.saas-stat-card--compact .saas-stat-icon {
    margin-bottom: 0;
    flex-shrink: 0;
}

.saas-stat-body {
    min-width: 0;
}

.saas-stat-card:hover {
    border-color: var(--saas-border-strong);
    background: #fafbfd;
}

.saas-stat-icon {
    width: 36px;
    height: 36px;
    border-radius: 8px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    font-size: 1rem;
    margin-bottom: 0.5rem;
}

.saas-stat-icon--indigo { background: #eef2ff; color: #4f46e5; }
.saas-stat-icon--blue { background: #eff6ff; color: #2563eb; }
.saas-stat-icon--green { background: #ecfdf5; color: #059669; }
.saas-stat-icon--amber { background: #fffbeb; color: #d97706; }
.saas-stat-icon--rose { background: #fff1f2; color: #e11d48; }
.saas-stat-icon--violet { background: #f5f3ff; color: #7c3aed; }

.saas-stat-grid--kpi {
    grid-template-columns: repeat(4, minmax(0, 1fr));
}

@media (max-width: 1199.98px) {
    .saas-stat-grid--kpi {
        grid-template-columns: repeat(2, minmax(0, 1fr));
    }
}

@media (max-width: 479.98px) {
    .saas-stat-grid--kpi {
        grid-template-columns: 1fr;
    }
}

.saas-stat-value {
    font-size: 1.375rem;
    font-weight: 700;
    letter-spacing: -0.03em;
    line-height: 1.1;
    margin-bottom: 0.125rem;
}

.saas-stat-card--compact .saas-stat-value {
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.saas-stat-label {
    font-size: 0.8125rem;
    color: var(--saas-text-muted);
}

/* ─── Buttons ─── */

.saas-btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    padding: 0.5625rem 1rem;
    font-size: 0.875rem;
    font-weight: 500;
    border-radius: var(--saas-radius-sm);
    border: 1px solid transparent;
    cursor: pointer;
    transition: background 0.15s ease, border-color 0.15s ease, color 0.15s ease;
}

.saas-btn-primary {
    background: var(--saas-primary);
    color: #fff;
}

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

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

.saas-btn-outline:hover {
    background: #f8fafc;
}

.saas-btn-danger {
    background: #fff;
    border-color: #fecaca;
    color: var(--saas-danger);
}

.saas-btn-danger:hover {
    background: #fef2f2;
}

.saas-btn-sm {
    padding: 0.375rem 0.75rem;
    font-size: 0.8125rem;
}

.saas-btn-icon {
    width: 34px;
    height: 34px;
    padding: 0;
    border-radius: var(--saas-radius-sm);
}

/* ─── Badges ─── */

.saas-badge {
    display: inline-flex;
    align-items: center;
    gap: 0.25rem;
    padding: 0.25rem 0.625rem;
    font-size: 0.75rem;
    font-weight: 500;
    border-radius: 999px;
    border: 1px solid transparent;
}

.saas-badge--project {
    background: #eef2ff;
    color: #4338ca;
    border-color: #e0e7ff;
}

.saas-badge--opened {
    background: #ecfdf5;
    color: #047857;
    border-color: #d1fae5;
}

.saas-badge--pending {
    background: #f8fafc;
    color: #64748b;
    border-color: #e2e8f0;
}

.saas-badge--clicked {
    background: #fffbeb;
    color: #b45309;
    border-color: #fde68a;
}

.saas-badge--count {
    background: #eff6ff;
    color: #1d4ed8;
    border-color: #dbeafe;
}

.saas-badge--no-links {
    background: #f1f5f9;
    color: #94a3b8;
    border-color: #e2e8f0;
    font-size: 0.6875rem;
    padding: 0.125rem 0.4375rem;
    font-weight: 500;
}

.saas-click-stat {
    display: inline-block;
    font-size: 0.8125rem;
    font-weight: 600;
    font-variant-numeric: tabular-nums;
    color: var(--saas-text);
    line-height: 1.2;
    cursor: help;
}

/* ─── Tables ─── */

.saas-table-wrap {
    overflow: auto;
    max-height: calc(100vh - 240px);
}

.saas-table-wrap--compact {
    max-height: none;
}

.saas-table {
    width: 100%;
    margin: 0;
    border-collapse: separate;
    border-spacing: 0;
    font-size: 0.8125rem;
}

.saas-table thead th {
    position: sticky;
    top: 0;
    z-index: 2;
    background: #f8fafc;
    color: var(--saas-text-muted);
    font-size: 0.6875rem;
    font-weight: 600;
    letter-spacing: 0.06em;
    text-transform: uppercase;
    padding: 0.5rem 0.75rem;
    border-bottom: 1px solid var(--saas-border);
    white-space: nowrap;
}

.saas-table tbody td {
    padding: 0.5625rem 0.75rem;
    border-bottom: 1px solid var(--saas-border);
    vertical-align: middle;
}

.saas-table tbody tr {
    transition: background 0.12s ease;
}

.saas-table tbody tr:hover {
    background: #f8fafc;
}

.saas-table-row-clickable {
    cursor: pointer;
}

.saas-table-row-updated {
    background: #fefce8 !important;
}

.saas-table-subject {
    font-weight: 600;
    color: var(--saas-text);
    max-width: 260px;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

/* ─── Filters Bar ─── */

.saas-toolbar {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    justify-content: space-between;
    gap: 0.75rem;
    margin-bottom: 0.875rem;
}

.saas-filter-group {
    display: flex;
    flex-wrap: wrap;
    gap: 0.75rem;
    align-items: center;
}

.saas-input,
.saas-select {
    border: 1px solid var(--saas-border);
    border-radius: var(--saas-radius-sm);
    padding: 0.5rem 0.75rem;
    font-size: 0.8125rem;
    background: #fff;
    min-height: 38px;
}

.saas-input:focus,
.saas-select:focus {
    outline: none;
    border-color: var(--saas-primary);
    box-shadow: 0 0 0 3px var(--saas-primary-soft);
}

/* ─── Auth States ─── */

.saas-auth-gate {
    max-width: 520px;
    margin: 3rem auto;
    text-align: center;
    padding: 2rem;
    background: var(--saas-surface);
    border: 1px solid var(--saas-border);
    border-radius: var(--saas-radius);
    box-shadow: var(--saas-shadow);
}

.saas-auth-gate-icon {
    width: 56px;
    height: 56px;
    margin: 0 auto 1rem;
    border-radius: 14px;
    background: var(--saas-primary-soft);
    color: var(--saas-primary);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
}

.saas-auth-gate h2 {
    font-size: 1.25rem;
    font-weight: 700;
    margin-bottom: 0.5rem;
}

.saas-auth-gate p {
    color: var(--saas-text-muted);
    margin-bottom: 1.25rem;
}

.saas-alert {
    padding: 0.875rem 1rem;
    border-radius: var(--saas-radius-sm);
    font-size: 0.875rem;
    margin-bottom: 1rem;
    border: 1px solid transparent;
}

.saas-alert-info {
    background: #eff6ff;
    border-color: #dbeafe;
    color: #1e40af;
}

.saas-alert-warning {
    background: #fffbeb;
    border-color: #fde68a;
    color: #92400e;
}

/* ─── Empty States ─── */

.saas-empty {
    text-align: center;
    padding: 3rem 1.5rem;
}

.saas-empty-icon {
    width: 64px;
    height: 64px;
    margin: 0 auto 1rem;
    border-radius: 16px;
    background: #f1f5f9;
    color: #94a3b8;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.75rem;
}

.saas-empty h3 {
    font-size: 1rem;
    font-weight: 600;
    margin-bottom: 0.375rem;
}

.saas-empty p {
    color: var(--saas-text-muted);
    margin-bottom: 1rem;
    font-size: 0.875rem;
}

/* ─── Skeletons ─── */

.saas-skeleton {
    background: linear-gradient(90deg, #eef2f7 25%, #f8fafc 50%, #eef2f7 75%);
    background-size: 200% 100%;
    animation: saas-shimmer 1.4s ease infinite;
    border-radius: var(--saas-radius-sm);
}

@keyframes saas-shimmer {
    0% { background-position: 200% 0; }
    100% { background-position: -200% 0; }
}

.saas-skeleton-stat {
    height: 120px;
    border-radius: var(--saas-radius);
}

.saas-skeleton-chart {
    height: 280px;
    border-radius: var(--saas-radius);
}

/* ─── Email Detail Modal ─── */

.saas-modal-email {
    border: 1px solid var(--saas-border);
    border-radius: var(--saas-radius-sm);
    box-shadow: var(--saas-shadow);
}

.saas-modal-email-header {
    padding: 0.75rem 1rem;
    border-bottom: 1px solid var(--saas-border);
}

.saas-modal-email-title {
    font-size: 1rem;
    font-weight: 600;
    letter-spacing: -0.01em;
    margin: 0;
    line-height: 1.35;
    padding-right: 1.5rem;
}

.saas-modal-email-body {
    padding: 0.75rem 1rem 1rem;
}

.saas-email-detail {
    display: flex;
    flex-direction: column;
    gap: 0.625rem;
}

.saas-email-meta-bar {
    display: flex;
    flex-wrap: wrap;
    gap: 0.375rem 0.625rem;
    align-items: center;
    padding-bottom: 0.625rem;
    border-bottom: 1px solid var(--saas-border);
}

.saas-meta-chip {
    display: inline-flex;
    align-items: center;
    gap: 0.375rem;
    font-size: 0.8125rem;
    line-height: 1.3;
    color: var(--saas-text);
}

.saas-meta-chip-label {
    font-size: 0.6875rem;
    font-weight: 600;
    letter-spacing: 0.04em;
    text-transform: uppercase;
    color: var(--saas-text-soft);
}

.saas-email-body-block {
    display: flex;
    flex-direction: column;
    gap: 0.375rem;
}

.saas-detail-split-title {
    font-size: 0.6875rem;
    font-weight: 600;
    letter-spacing: 0.06em;
    text-transform: uppercase;
    color: var(--saas-text-soft);
    margin: 0;
}

.saas-email-body-preview {
    border: 1px solid var(--saas-border);
    border-radius: var(--saas-radius-sm);
    background: #fff;
    padding: 0.5rem 0.625rem;
}

.saas-email-body-preview.is-clamped {
    max-height: 160px;
    overflow: hidden;
}

.saas-email-body-preview.is-expanded {
    max-height: none;
    overflow: auto;
}

.saas-detail-stats-inline {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem 0.875rem;
    padding: 0.5rem 0.625rem;
    background: #f8fafc;
    border: 1px solid var(--saas-border);
    border-radius: var(--saas-radius-sm);
}

.saas-detail-stat-pill {
    display: inline-flex;
    align-items: center;
    gap: 0.35rem;
    font-size: 0.8125rem;
    color: var(--saas-text-muted);
}

.saas-detail-stat-pill i {
    font-size: 0.875rem;
    opacity: 0.85;
}

.saas-detail-stat-pill strong {
    color: var(--saas-text);
    font-weight: 600;
}

.saas-detail-split {
    display: grid;
    grid-template-columns: minmax(0, 1fr) minmax(0, 1.2fr);
    gap: 0.75rem;
    align-items: start;
}

@media (max-width: 767.98px) {
    .saas-detail-split {
        grid-template-columns: 1fr;
    }
}

.saas-detail-split-col {
    display: flex;
    flex-direction: column;
    gap: 0.375rem;
    min-width: 0;
}

.saas-timeline-compact {
    max-height: 120px;
    overflow-y: auto;
    border: 1px solid var(--saas-border);
    border-radius: var(--saas-radius-sm);
    background: #fff;
    padding: 0.25rem 0.5rem;
}

.saas-timeline-item--compact {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.3125rem 0;
    border-bottom: 1px solid var(--saas-border);
    margin: 0;
}

.saas-timeline-item--compact:last-child {
    border-bottom: none;
}

.saas-timeline-item--compact .saas-timeline-dot {
    flex-shrink: 0;
    margin-top: 0;
}

.saas-timeline-time {
    font-size: 0.8125rem;
    font-weight: 500;
    white-space: nowrap;
}

.saas-timeline-meta {
    font-size: 0.75rem;
    color: var(--saas-text-muted);
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.saas-table-wrap--modal {
    max-height: 120px;
    border: 1px solid var(--saas-border);
    border-radius: var(--saas-radius-sm);
}

.saas-table--compact thead th,
.saas-table--compact tbody td {
    padding: 0.375rem 0.5rem;
    font-size: 0.75rem;
}

.saas-detail-empty {
    font-size: 0.8125rem;
    color: var(--saas-text-muted);
    padding: 0.5rem;
    margin: 0;
    text-align: center;
}

.saas-detail-label {
    font-size: 0.6875rem;
    font-weight: 600;
    letter-spacing: 0.06em;
    text-transform: uppercase;
    color: var(--saas-text-soft);
    margin-bottom: 0.25rem;
}

.saas-detail-value {
    font-size: 0.8125rem;
    font-weight: 500;
    margin-bottom: 0.875rem;
}

.saas-email-body-html {
    font-size: 0.875rem;
    line-height: 1.55;
    color: var(--saas-text);
    word-break: break-word;
}

.saas-email-body-html p {
    margin-bottom: 0.5rem;
}

.saas-email-body-html p:last-child {
    margin-bottom: 0;
}

.saas-email-body-text {
    margin: 0;
    font-family: inherit;
    font-size: 0.875rem;
    line-height: 1.55;
    white-space: pre-wrap;
    word-break: break-word;
    color: var(--saas-text);
    background: transparent;
    border: none;
}

.saas-email-link {
    color: var(--saas-primary);
    text-decoration: underline;
    word-break: break-all;
}

.saas-email-link:hover {
    color: var(--saas-primary-hover);
}

.saas-modal-subject-empty {
    color: var(--saas-text-muted) !important;
    font-style: italic;
    font-weight: 600;
}

.saas-timeline-item {
    display: flex;
    gap: 0.75rem;
    padding: 0.75rem 0;
    border-bottom: 1px solid var(--saas-border);
}

.saas-timeline-dot {
    width: 8px;
    height: 8px;
    border-radius: 999px;
    background: var(--saas-primary);
    margin-top: 0.375rem;
    flex-shrink: 0;
}

/* ─── Charts ─── */

.saas-chart-card {
    height: 100%;
}

.saas-chart-header {
    margin-bottom: 1rem;
}

.saas-chart-title {
    font-size: 0.9375rem;
    font-weight: 600;
    margin: 0 0 0.25rem;
}

.saas-chart-subtitle {
    font-size: 0.8125rem;
    color: var(--saas-text-muted);
    margin: 0;
}

.saas-chart-wrap {
    position: relative;
    min-height: 260px;
}

.saas-chart-wrap canvas {
    max-height: 300px;
}

/* ─── Utilities ─── */

.saas-section {
    margin-bottom: 1.5rem;
}

.saas-section-title {
    font-size: 0.9375rem;
    font-weight: 600;
    letter-spacing: -0.01em;
    margin: 0;
    color: var(--saas-text);
    line-height: 1.3;
}

.saas-section-desc {
    font-size: 0.8125rem;
    color: var(--saas-text-muted);
    margin: 0.125rem 0 0;
}

.d-none { display: none !important; }

.fade-in {
    animation: saasFadeIn 0.25s ease;
}

@keyframes saasFadeIn {
    from { opacity: 0; transform: translateY(4px); }
    to { opacity: 1; transform: translateY(0); }
}

.saas-overlay {
    display: none;
    position: fixed;
    inset: 0;
    background: rgba(15, 23, 42, 0.35);
    z-index: 1035;
}

.saas-overlay.is-visible {
    display: block;
}

@media (min-width: 992px) {
    .saas-overlay {
        display: none !important;
    }
}

/* ─── Dashboard ─── */

.saas-dashboard-section {
    margin-bottom: var(--saas-space-section);
}

.saas-dashboard-section:last-child {
    margin-bottom: 0;
}

.saas-section-meta {
    font-size: 0.8125rem;
    font-weight: 500;
    color: var(--saas-text-muted);
}

.saas-card--flat {
    border-color: var(--saas-border);
    box-shadow: none;
}

.saas-card-header--split {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 0.75rem;
}

.saas-link-action {
    display: inline-flex;
    align-items: center;
    gap: 0.35rem;
    font-size: 0.8125rem;
    font-weight: 600;
    color: var(--saas-primary);
    white-space: nowrap;
    transition: color 0.15s ease, gap 0.15s ease;
}

.saas-link-action:hover {
    color: var(--saas-primary-hover);
    gap: 0.5rem;
}

.saas-link-action--muted {
    color: var(--saas-text-muted);
}

.saas-link-action--muted:hover {
    color: var(--saas-text);
}

.saas-table-empty {
    color: var(--saas-text-muted);
    text-align: center;
    padding: 1.25rem 0.75rem !important;
}

.saas-chart-grid {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 0.75rem;
}

@media (max-width: 991.98px) {
    .saas-chart-grid {
        grid-template-columns: 1fr;
    }
}

.saas-chart-panel {
    border: 1px solid var(--saas-border);
    border-radius: var(--saas-radius-sm);
    padding: 0.625rem 0.75rem 0.5rem;
    background: #fafbfd;
}

.saas-chart-label {
    display: flex;
    align-items: center;
    gap: 0.375rem;
    font-size: 0.75rem;
    font-weight: 600;
    color: var(--saas-text-muted);
    margin: 0 0 0.5rem;
}

.saas-chart-canvas-wrap {
    position: relative;
    height: 168px;
}

.saas-chart-canvas-wrap canvas {
    width: 100% !important;
    height: 100% !important;
}

.saas-chart-empty {
    position: absolute;
    inset: 0;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 0.875rem;
    color: var(--saas-text-muted);
    margin: 0;
}

/* ─── Settings ─── */

.saas-settings-profile {
    display: flex;
    align-items: center;
    gap: 1rem;
}

.saas-settings-avatar {
    width: 48px;
    height: 48px;
    border-radius: 999px;
    background: var(--saas-primary-soft);
    color: var(--saas-primary);
    display: inline-flex;
    align-items: center;
    justify-content: center;
    font-weight: 700;
    overflow: hidden;
    flex-shrink: 0;
}

.saas-settings-avatar img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.saas-settings-name {
    font-size: 1rem;
    font-weight: 600;
}

.saas-settings-list {
    list-style: none;
    padding: 0;
    margin: 0 0 1rem;
}

.saas-settings-list li {
    display: flex;
    align-items: center;
    gap: 0.625rem;
    padding: 0.375rem 0;
    font-size: 0.875rem;
}

@media (max-width: 767.98px) {
    .saas-content {
        padding: 0.875rem 1rem;
    }

    .saas-nav-item {
        padding: 0.5625rem 0.625rem;
    }
}

/* ─── Recipients Engagement ─── */

.saas-table-wrap--recipients {
    overflow: visible;
    max-height: none;
}

.saas-table--recipients {
    width: 100%;
    table-layout: fixed;
}

.saas-table--recipients thead th,
.saas-table--recipients tbody td {
    padding: 0.5rem 0.4375rem;
}

.saas-table--recipients thead th {
    white-space: normal;
    line-height: 1.2;
    letter-spacing: 0.04em;
}

.saas-table--recipients .saas-recipient-name,
.saas-table--recipients .saas-recipient-email,
.saas-table--recipients .saas-recipient-active {
    display: block;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.saas-table--recipients .saas-recipient-name {
    font-weight: 600;
}

.saas-table--recipients .saas-recipient-email {
    color: var(--saas-text-muted);
    font-size: 0.8125rem;
}

.saas-table--recipients .saas-recipient-active {
    color: var(--saas-text-muted);
    font-size: 0.8125rem;
}

.saas-table--recipients .saas-num-cell {
    font-variant-numeric: tabular-nums;
    white-space: nowrap;
}

.saas-table--recipients .saas-rate-cell {
    flex-direction: row;
    align-items: center;
    justify-content: flex-end;
    gap: 0.3rem;
    min-width: 0;
}

.saas-table--recipients .saas-rate-value {
    font-size: 0.75rem;
}

.saas-table--recipients .saas-progress--compact {
    width: 2rem;
    height: 4px;
    flex-shrink: 0;
}

.saas-table--recipients .saas-engagement {
    padding: 0.15rem 0.4rem;
    font-size: 0.6875rem;
    gap: 0.2rem;
}

.saas-table--recipients .saas-sortable {
    white-space: normal;
}

.saas-table-wrap--scroll {
    overflow-x: auto;
    overflow-y: visible;
    max-height: none;
}

.saas-sortable {
    cursor: pointer;
    user-select: none;
    white-space: nowrap;
}

.saas-sortable:hover {
    color: var(--saas-primary);
}

.saas-sortable.is-active {
    color: var(--saas-primary);
}

.saas-sort-icon {
    display: inline-block;
    font-size: 0.75rem;
    opacity: 0.55;
    margin-left: 0.375rem;
    vertical-align: middle;
    flex-shrink: 0;
}

.saas-sortable.is-active .saas-sort-icon {
    opacity: 1;
}

.saas-rate-cell {
    display: inline-flex;
    flex-direction: column;
    align-items: flex-end;
    gap: 0.25rem;
    min-width: 72px;
}

.saas-rate-value {
    font-size: 0.8125rem;
    font-weight: 600;
    color: var(--saas-text);
}

.saas-progress {
    width: 72px;
    height: 6px;
    border-radius: 999px;
    background: #eef2f7;
    overflow: hidden;
}

.saas-progress--compact {
    width: 64px;
    height: 5px;
}

.saas-progress-bar {
    height: 100%;
    border-radius: inherit;
    background: linear-gradient(90deg, #6366f1 0%, #818cf8 100%);
}

.saas-engagement {
    display: inline-flex;
    align-items: center;
    gap: 0.35rem;
    padding: 0.2rem 0.55rem;
    border-radius: 999px;
    font-size: 0.75rem;
    font-weight: 600;
    white-space: nowrap;
    border: 1px solid transparent;
}

.saas-engagement--very_high {
    color: #b45309;
    background: #fff7ed;
    border-color: #fed7aa;
}

.saas-engagement--high {
    color: #4338ca;
    background: #eef2ff;
    border-color: #c7d2fe;
}

.saas-engagement--medium {
    color: #a16207;
    background: #fefce8;
    border-color: #fde68a;
}

.saas-engagement--low {
    color: #64748b;
    background: #f8fafc;
    border-color: #e2e8f0;
}

.saas-engagement--inactive {
    color: #64748b;
    background: #f1f5f9;
    border-color: #e2e8f0;
}

.saas-stat-sub {
    font-size: 0.75rem;
    margin-top: 0.15rem;
}

.saas-detail-title {
    font-size: 1.125rem;
    font-weight: 700;
    color: var(--saas-text);
}

.saas-project-row {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 0.75rem;
    padding: 0.5rem 0;
    border-bottom: 1px solid var(--saas-border);
}

.saas-project-row:last-child {
    border-bottom: none;
}

.saas-timeline-scroll {
    max-height: 280px;
    overflow-y: auto;
}

.saas-badge--success {
    background: #ecfdf5;
    color: #047857;
}

.saas-badge--info {
    background: #eff6ff;
    color: #1d4ed8;
}

.saas-badge--muted {
    background: #f1f5f9;
    color: #64748b;
}

/* ─── Email Tracking Status ─── */

.etp-ts {
    display: inline-flex;
    align-items: center;
    gap: 0.35rem;
    font-size: 0.8125rem;
    line-height: 1.2;
    white-space: nowrap;
    cursor: default;
}

.etp-ts-icons {
    display: inline-flex;
    align-items: center;
    gap: 0.15rem;
}

.etp-ts-check {
    display: inline-block;
    font-size: 0.75rem;
    font-weight: 700;
    letter-spacing: -0.12em;
    line-height: 1;
}

.etp-ts-check--single {
    color: #94a3b8;
}

.etp-ts-check--double {
    color: #059669;
}

.etp-ts-check--partial {
    color: #d97706;
}

.etp-ts--partial .etp-ts-label {
    color: #b45309;
    font-weight: 600;
}

.etp-ts--sent .etp-ts-label {
    color: #64748b;
}

.etp-ts--opened .etp-ts-label {
    color: #047857;
    font-weight: 600;
}

.etp-ts-link {
    display: inline-flex;
    align-items: center;
    color: #7c3aed;
    font-size: 0.8125rem;
    line-height: 1;
}

.etp-ts-link .bi {
    font-size: 0.8125rem;
}

.etp-ts-label {
    font-weight: 500;
    color: #475569;
}

.etp-ts--compact {
    font-size: 0.75rem;
    gap: 0.25rem;
}

.saas-tracking-cell {
    width: 1%;
    white-space: nowrap;
}

.saas-tracking-cell .etp-ts {
    font-size: 0.75rem;
}

.etp-ts--animate-in {
    animation: etp-ts-fade-in 0.45s ease;
}

@keyframes etp-ts-fade-in {
    0% {
        opacity: 0.35;
        transform: scale(0.92);
    }

    100% {
        opacity: 1;
        transform: scale(1);
    }
}

.etp-ts-detail {
    padding: 0.875rem 1rem;
    margin-bottom: 0.875rem;
    border: 1px solid var(--saas-border);
    border-radius: var(--saas-radius-sm);
    background: #fafbfd;
}

.etp-ts-detail-head {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    margin-bottom: 0.75rem;
}

.etp-ts-detail-label {
    font-size: 0.75rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.04em;
    color: var(--saas-text-muted);
}

.etp-ts-detail-metrics {
    display: grid;
    grid-template-columns: repeat(4, minmax(0, 1fr));
    gap: 0.75rem;
}

.etp-ts-metric-label {
    display: block;
    font-size: 0.6875rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.03em;
    color: var(--saas-text-soft);
    margin-bottom: 0.15rem;
}

.etp-ts-metric-value {
    font-size: 0.875rem;
    font-weight: 600;
    color: var(--saas-text);
}

.etp-ts-tooltip .tooltip-inner {
    max-width: 260px;
    text-align: left;
    font-size: 0.75rem;
    line-height: 1.45;
    padding: 0.5rem 0.65rem;
}

@media (max-width: 767.98px) {
    .etp-ts-detail-metrics {
        grid-template-columns: repeat(2, minmax(0, 1fr));
    }
}