:root {
    --bg: #edf4fb;
    --surface: rgba(255, 255, 255, 0.92);
    --surface-strong: #ffffff;
    --surface-alt: #0f172a;
    --text: #16324f;
    --text-soft: #4f647d;
    --muted: #6f8199;
    --primary: #ff6b3d;
    --primary-dark: #db4f28;
    --primary-soft: rgba(255, 107, 61, 0.14);
    --secondary: #0f6cbd;
    --secondary-soft: rgba(15, 108, 189, 0.12);
    --success: #12805c;
    --warning: #b98200;
    --danger: #c13f3f;
    --border: rgba(140, 166, 191, 0.22);
    --border-strong: rgba(119, 146, 172, 0.35);
    --shadow: 0 18px 55px rgba(33, 56, 82, 0.12);
    --shadow-soft: 0 12px 24px rgba(33, 56, 82, 0.08);
    --radius: 22px;
}

body.dark {
    --bg: #08131f;
    --surface: rgba(14, 26, 40, 0.9);
    --surface-strong: #0f2033;
    --surface-alt: #e6eef7;
    --text: #e8f0fa;
    --text-soft: #b9c8d9;
    --muted: #8ea2bb;
    --primary: #ff8a5c;
    --primary-dark: #ff6b3d;
    --primary-soft: rgba(255, 138, 92, 0.16);
    --secondary: #54a6f5;
    --secondary-soft: rgba(84, 166, 245, 0.16);
    --success: #3ac28b;
    --warning: #f1b62d;
    --danger: #ff8c8c;
    --border: rgba(122, 152, 181, 0.2);
    --border-strong: rgba(122, 152, 181, 0.3);
    --shadow: 0 20px 55px rgba(0, 0, 0, 0.32);
    --shadow-soft: 0 12px 20px rgba(0, 0, 0, 0.22);
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
    margin: 0;
    font-family: "Segoe UI", Tahoma, Geneva, Verdana, sans-serif;
    background:
        radial-gradient(circle at top left, rgba(255, 107, 61, 0.12), transparent 30%),
        radial-gradient(circle at 80% 0%, rgba(15, 108, 189, 0.12), transparent 28%),
        linear-gradient(180deg, rgba(255,255,255,0.35), transparent 35%),
        var(--bg);
    color: var(--text);
}
body.modal-open { overflow: hidden; }
[hidden] { display: none !important; }

a { color: inherit; text-decoration: none; }
small { display: block; color: var(--muted); }
strong { font-weight: 700; }
hr { border: 0; border-top: 1px solid var(--border); margin: 1.5rem 0; }
code { background: var(--secondary-soft); padding: 0.22rem 0.45rem; border-radius: 8px; }

.guest-body { min-height: 100vh; display: grid; place-items: center; padding: 2rem; }
.auth-shell { width: min(100%, 1120px); }
.auth-card {
    background: linear-gradient(180deg, rgba(255,255,255,0.96), rgba(248,251,255,0.92));
    box-shadow: var(--shadow);
    border: 1px solid rgba(255,255,255,0.8);
    border-radius: 32px;
    padding: 2.2rem;
    max-width: 560px;
    margin: auto;
}
body.dark .auth-card {
    background: linear-gradient(180deg, rgba(15,32,51,0.96), rgba(9,20,32,0.96));
    border-color: var(--border);
}
.install-card { max-width: 960px; }
.eyebrow { text-transform: uppercase; letter-spacing: 0.14em; color: var(--secondary); font-weight: 700; font-size: 0.72rem; }

.layout { display: grid; grid-template-columns: 284px minmax(0, 1fr); min-height: 100vh; }
.sidebar {
    position: sticky;
    top: 0;
    height: 100vh;
    padding: 1.4rem;
    background: linear-gradient(180deg, #08111d, #10233b 56%, #0a1727);
    color: #f6f9fd;
    display: flex;
    flex-direction: column;
    gap: 1.25rem;
    box-shadow: inset -1px 0 0 rgba(255,255,255,0.05);
}
.brand-lockup { display: flex; align-items: center; gap: 0.95rem; padding: 0.45rem 0.35rem; }
.brand-mark {
    width: 48px;
    height: 48px;
    display: grid;
    place-items: center;
    border-radius: 16px;
    background: linear-gradient(135deg, var(--primary), #fca311);
    color: #fff;
    font-size: 1.1rem;
    font-weight: 800;
    box-shadow: 0 14px 26px rgba(255, 107, 61, 0.35);
}
.sidebar h2 { margin: 0.28rem 0 0; font-size: 1.32rem; }
.workspace-chip {
    padding: 1rem 1.05rem;
    border-radius: 20px;
    background: linear-gradient(180deg, rgba(255,255,255,0.08), rgba(255,255,255,0.03));
    border: 1px solid rgba(255,255,255,0.08);
}
.nav-menu { display: grid; gap: 0.45rem; }
.nav-item {
    padding: 0.95rem 1rem;
    border-radius: 16px;
    color: rgba(246,249,253,0.78);
    transition: transform 0.18s ease, background 0.18s ease, color 0.18s ease;
}
.nav-item:hover, .nav-item.active {
    background: linear-gradient(90deg, rgba(255, 107, 61, 0.2), rgba(84, 166, 245, 0.14));
    color: #fff;
    transform: translateX(2px);
}
.sidebar-footer {
    margin-top: auto;
    padding: 1rem;
    border-radius: 18px;
    background: rgba(255,255,255,0.06);
    border: 1px solid rgba(255,255,255,0.06);
}
.main-content { padding: 1.8rem 2rem 2.4rem; }
.topbar {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    gap: 1.2rem;
    margin-bottom: 1.65rem;
}
.page-meta h1 { margin: 0.32rem 0 0.4rem; font-size: clamp(2rem, 3vw, 2.6rem); line-height: 1.05; }
.page-meta p { margin: 0; color: var(--muted); }
.topbar-actions { display: flex; gap: 0.75rem; flex-wrap: wrap; align-items: center; }
.theme-toggle {
    border: 1px solid var(--border);
    background: var(--surface);
    color: var(--text);
    border-radius: 14px;
    padding: 0.85rem 1rem;
    cursor: pointer;
    box-shadow: var(--shadow-soft);
}

.dashboard-hero {
    display: grid;
    grid-template-columns: minmax(0, 1.8fr) minmax(320px, 1fr);
    gap: 1.25rem;
    margin-bottom: 1.35rem;
}
.hero-panel,
.panel,
.stat-card {
    background: var(--surface);
    backdrop-filter: blur(20px);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    box-shadow: var(--shadow);
}
.hero-panel {
    padding: 1.55rem;
    position: relative;
    overflow: hidden;
}
.hero-panel::after {
    content: "";
    position: absolute;
    inset: auto -60px -70px auto;
    width: 220px;
    height: 220px;
    background: radial-gradient(circle, rgba(255, 107, 61, 0.2), transparent 70%);
}
.hero-grid {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 0.9rem;
    margin-top: 1.25rem;
}
.hero-metric {
    padding: 1rem;
    border-radius: 18px;
    background: rgba(255,255,255,0.62);
    border: 1px solid rgba(255,255,255,0.55);
}
body.dark .hero-metric { background: rgba(255,255,255,0.03); border-color: rgba(255,255,255,0.06); }
.hero-metric span { color: var(--muted); display: block; margin-bottom: 0.45rem; }
.hero-metric strong { font-size: 1.6rem; }
.section-stack { display: grid; gap: 1.25rem; }

.panel, .stat-card { padding: 1.35rem; }
.panel-head { display: flex; justify-content: space-between; align-items: center; gap: 1rem; margin-bottom: 1rem; }
.panel-head h3 { margin: 0; font-size: 1.08rem; }
.panel-grid { display: grid; gap: 1.25rem; margin-bottom: 1.25rem; }
.panel-grid.two-col { grid-template-columns: repeat(2, minmax(0, 1fr)); }
.panel-grid.three-col { grid-template-columns: repeat(3, minmax(0, 1fr)); }
.align-start { align-items: start; }
.stats-grid { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 1rem; margin-bottom: 1.25rem; }
.stat-card { position: relative; overflow: hidden; }
.stat-card::before {
    content: "";
    position: absolute;
    left: 0;
    top: 0;
    width: 100%;
    height: 4px;
    background: linear-gradient(90deg, var(--primary), var(--secondary));
}
.stat-card span { color: var(--muted); display: block; margin-bottom: 0.65rem; }
.stat-card strong { font-size: 2.15rem; line-height: 1; }
.stat-card p { margin: 0.45rem 0 0; color: var(--text-soft); font-size: 0.92rem; }

.table-wrap { overflow: auto; }
.data-table { width: 100%; border-collapse: collapse; }
.data-table th, .data-table td { padding: 0.9rem 0.75rem; border-bottom: 1px solid var(--border); vertical-align: top; }
.data-table th { text-align: left; font-size: 0.76rem; text-transform: uppercase; color: var(--muted); letter-spacing: 0.12em; }
.data-table tbody tr:hover { background: rgba(15, 108, 189, 0.04); }
.table-actions { display: flex; gap: 0.45rem; flex-wrap: wrap; }

.badge {
    display: inline-flex;
    align-items: center;
    padding: 0.34rem 0.72rem;
    border-radius: 999px;
    font-size: 0.75rem;
    font-weight: 700;
    text-transform: capitalize;
}
.badge.active, .status-converted { background: rgba(18, 128, 92, 0.12); color: var(--success); }
.badge.inactive, .status-closed, .status-not_interested { background: rgba(193, 63, 63, 0.12); color: var(--danger); }
.status-follow_up, .priority-medium { background: rgba(185, 130, 0, 0.14); color: var(--warning); }
.status-new, .status-contacted, .priority-low { background: var(--secondary-soft); color: var(--secondary); }
.priority-high { background: rgba(193, 63, 63, 0.12); color: var(--danger); }
.row-overdue { background: rgba(193, 63, 63, 0.06); }

.form-group { display: grid; gap: 0.45rem; }
.form-group label { font-size: 0.92rem; font-weight: 600; color: var(--text-soft); }
.form-group-full { grid-column: 1 / -1; }
.form-control {
    width: 100%;
    border: 1px solid var(--border);
    border-radius: 14px;
    background: var(--surface-strong);
    color: var(--text);
    padding: 0.92rem 1rem;
    outline: none;
    transition: border-color 0.18s ease, box-shadow 0.18s ease, transform 0.18s ease;
}
.form-control:focus {
    border-color: rgba(15, 108, 189, 0.5);
    box-shadow: 0 0 0 4px rgba(15, 108, 189, 0.12);
    transform: translateY(-1px);
}
.grid-form { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 1rem; }
.filters-grid, .inline-form { display: flex; gap: 0.75rem; flex-wrap: wrap; margin-bottom: 1rem; }
.filters-grid .form-control, .inline-form .form-control { min-width: 170px; }
.stack-md, .stack-lg { display: grid; gap: 1rem; }

.btn {
    border: 0;
    border-radius: 14px;
    padding: 0.84rem 1.05rem;
    cursor: pointer;
    font-weight: 700;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.45rem;
    transition: transform 0.18s ease, box-shadow 0.18s ease, opacity 0.18s ease;
}
.btn:hover { transform: translateY(-1px); }
.btn:disabled { opacity: 0.65; cursor: not-allowed; }
.btn-sm { padding: 0.54rem 0.78rem; border-radius: 11px; font-size: 0.84rem; }
.btn-primary { background: linear-gradient(135deg, var(--primary), var(--primary-dark)); color: #fff; box-shadow: 0 12px 26px rgba(255, 107, 61, 0.24); }
.btn-secondary { background: var(--secondary-soft); color: var(--secondary); border: 1px solid rgba(84, 166, 245, 0.14); }
.btn-outline { background: transparent; border: 1px solid var(--border-strong); color: var(--text); }
.btn-danger { background: rgba(193, 63, 63, 0.12); color: var(--danger); }
.btn-block { width: 100%; }

.alert { padding: 1rem 1.05rem; border-radius: 14px; margin-bottom: 1rem; border: 1px solid transparent; }
.alert-success { background: rgba(18, 128, 92, 0.12); color: var(--success); border-color: rgba(18, 128, 92, 0.15); }
.alert-danger { background: rgba(193, 63, 63, 0.12); color: var(--danger); border-color: rgba(193, 63, 63, 0.16); }
.pagination { display: flex; gap: 0.5rem; margin-top: 1rem; flex-wrap: wrap; }
.page-link {
    padding: 0.6rem 0.9rem;
    background: var(--surface-strong);
    border: 1px solid var(--border);
    border-radius: 12px;
}
.page-link.active { background: var(--secondary); border-color: var(--secondary); color: #fff; }
.timeline, .queue-list, .chart-list { display: grid; gap: 0.8rem; }
.timeline-item, .queue-card {
    padding: 1rem;
    border: 1px solid var(--border);
    border-radius: 18px;
    background: rgba(255,255,255,0.5);
}
body.dark .timeline-item, body.dark .queue-card { background: rgba(255,255,255,0.03); }
.queue-card.active { border-color: rgba(15, 108, 189, 0.38); box-shadow: 0 0 0 3px rgba(15, 108, 189, 0.08); }
.queue-card.overdue { border-color: rgba(193, 63, 63, 0.35); }
.queue-panel { margin-bottom: 1.25rem; }
.queue-table-wrap { margin-top: 1rem; }
.queue-table tbody tr.queue-row-active { background: rgba(15, 108, 189, 0.06); }
.queue-note-cell {
    min-width: 260px;
    max-width: 420px;
    color: var(--text-soft);
    line-height: 1.45;
}
.chart-row { display: grid; grid-template-columns: minmax(0, 1fr) 140px; gap: 1rem; align-items: center; }
.bar { background: rgba(148,163,184,0.2); border-radius: 999px; height: 10px; overflow: hidden; }
.bar span { display: block; height: 100%; background: linear-gradient(90deg, var(--secondary), var(--primary)); border-radius: 999px; }
.metric-pill { padding: 0.45rem 0.78rem; border-radius: 999px; background: var(--primary-soft); color: var(--primary); font-weight: 700; }
.detail-list p { margin: 0.8rem 0; }

.insight-list { display: grid; gap: 0.85rem; }
.insight-row {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 1rem;
    padding: 0.95rem 1rem;
    border-radius: 16px;
    background: rgba(255,255,255,0.52);
    border: 1px solid rgba(255,255,255,0.48);
}
body.dark .insight-row { background: rgba(255,255,255,0.03); border-color: rgba(255,255,255,0.05); }
.insight-row p { margin: 0.2rem 0 0; color: var(--muted); }
.kpi-ring {
    min-width: 54px;
    height: 54px;
    border-radius: 50%;
    display: grid;
    place-items: center;
    background: radial-gradient(circle at 35% 35%, rgba(255,255,255,0.9), rgba(255,255,255,0.25)), linear-gradient(135deg, var(--secondary), var(--primary));
    color: #fff;
    font-weight: 800;
    box-shadow: 0 12px 25px rgba(15, 108, 189, 0.18);
}

@media (max-width: 1180px) {
    .dashboard-hero,
    .panel-grid.two-col,
    .panel-grid.three-col,
    .stats-grid,
    .grid-form,
    .hero-grid { grid-template-columns: 1fr; }
}

@media (max-width: 920px) {
    .layout { grid-template-columns: 1fr; }
    .sidebar {
        position: static;
        height: auto;
        border-bottom-left-radius: 24px;
        border-bottom-right-radius: 24px;
    }
    .main-content { padding: 1.2rem; }
}

@media (max-width: 720px) {
    .guest-body { padding: 1rem; }
    .auth-card { padding: 1.4rem; }
    .topbar { flex-direction: column; }
    .topbar-actions,
    .filters-grid,
    .inline-form,
    .table-actions { flex-direction: column; align-items: stretch; }
    .chart-row,
    .insight-row { grid-template-columns: 1fr; display: grid; }
}

.toast-region {
    position: fixed;
    right: 1.25rem;
    top: 1.25rem;
    z-index: 1200;
    display: grid;
    gap: 0.65rem;
}
.toast-item {
    min-width: 260px;
    max-width: 360px;
    padding: 0.9rem 1rem;
    border-radius: 14px;
    background: var(--surface-strong);
    border: 1px solid var(--border);
    box-shadow: var(--shadow-soft);
    opacity: 0;
    transform: translateY(-6px);
    transition: opacity 0.2s ease, transform 0.2s ease;
}
.toast-item.visible { opacity: 1; transform: translateY(0); }
.toast-item.success { border-color: rgba(16, 185, 129, 0.28); }
.toast-item.warning { border-color: rgba(245, 158, 11, 0.28); }
.toast-item.danger { border-color: rgba(239, 68, 68, 0.28); }
.status-badge {
    display: inline-flex;
    align-items: center;
    gap: 0.4rem;
    padding: 0.35rem 0.7rem;
    border-radius: 999px;
    font-size: 0.75rem;
    font-weight: 700;
    color: #10203a;
    background: rgba(226, 232, 240, 0.85);
}
.status-dot {
    width: 9px;
    height: 9px;
    border-radius: 50%;
    display: inline-block;
}
.quick-links {
    display: flex;
    gap: 0.6rem;
    flex-wrap: wrap;
    margin-bottom: 1rem;
}
.quick-link {
    padding: 0.65rem 0.9rem;
    border-radius: 999px;
    background: var(--surface-strong);
    border: 1px solid var(--border);
    color: var(--text-soft);
}
.quick-link.active {
    background: var(--secondary-soft);
    color: var(--secondary);
    border-color: rgba(84, 166, 245, 0.24);
}
.tab-count {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-width: 1.45rem;
    height: 1.45rem;
    margin-left: 0.45rem;
    padding: 0 0.35rem;
    border-radius: 999px;
    background: rgba(15, 108, 189, 0.1);
    color: inherit;
    font-size: 0.72rem;
    font-weight: 700;
}
.modal-shell {
    position: fixed;
    inset: 0;
    z-index: 1500;
    display: grid;
    place-items: center;
    padding: 1.25rem;
}
.modal-backdrop {
    position: absolute;
    inset: 0;
    background: rgba(8, 19, 31, 0.55);
    backdrop-filter: blur(4px);
}
.modal-card {
    position: relative;
    width: min(920px, 100%);
    max-height: calc(100vh - 2.5rem);
    overflow: auto;
    border-radius: 24px;
    background: var(--surface-strong);
    border: 1px solid var(--border);
    box-shadow: var(--shadow);
}
.modal-body {
    padding: 1.4rem;
    min-height: 160px;
    color: var(--text);
}
.modal-head {
    display: flex;
    justify-content: space-between;
    gap: 1rem;
    align-items: flex-start;
    margin-bottom: 1rem;
}
.modal-head h3 {
    margin: 0 0 0.25rem;
}
.modal-head p {
    margin: 0;
    color: var(--muted);
}
.modal-close-btn {
    width: 42px;
    height: 42px;
    border-radius: 12px;
    border: 1px solid var(--border);
    background: var(--surface);
    color: var(--text);
    cursor: pointer;
    font-size: 1.3rem;
    line-height: 1;
}
.modal-actions {
    display: flex;
    gap: 0.75rem;
    justify-content: flex-end;
}
.modal-loading {
    padding: 2rem 1rem;
    text-align: center;
    color: var(--muted);
}
.modal-state {
    display: grid;
    gap: 0.5rem;
    padding: 1.5rem;
    border-radius: 18px;
    background: rgba(15, 108, 189, 0.08);
    border: 1px solid rgba(15, 108, 189, 0.16);
    color: var(--text);
}
.modal-state strong {
    font-size: 1rem;
}
.modal-state p {
    margin: 0;
    color: var(--muted);
}
.modal-state-error {
    background: rgba(193, 63, 63, 0.08);
    border-color: rgba(193, 63, 63, 0.16);
}