:root {
    --bg: #f4f7fb;
    --panel: #ffffff;
    --panel-2: #eef4ff;
    --primary: #2654d4;
    --primary-soft: rgba(38, 84, 212, 0.12);
    --success: #0f9f6e;
    --warning: #f5a623;
    --danger: #d9534f;
    --text: #1d2736;
    --muted: #67748a;
    --line: #e7edf5;
    --shadow: 0 18px 40px rgba(29, 39, 54, 0.08);
}

* {
    box-sizing: border-box;
}

body {
    margin: 0;
    background: linear-gradient(180deg, #eef3fe 0%, #f8fafc 100%);
    color: var(--text);
    font-family: "Segoe UI", sans-serif;
}

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

.sidebar {
    width: 260px;
    background: linear-gradient(180deg, #0f172a 0%, #17233d 100%);
    color: #fff;
    padding: 24px 18px;
    box-shadow: 12px 0 30px rgba(15, 23, 42, 0.18);
}

.brand-box {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 12px 10px 26px;
    border-bottom: 1px solid rgba(255,255,255,0.08);
    margin-bottom: 18px;
}

.brand-mark {
    width: 42px;
    height: 42px;
    border-radius: 12px;
    display: grid;
    place-items: center;
    font-weight: 700;
    background: linear-gradient(135deg, #8aa8ff, #3b82f6);
    color: white;
}

.brand-box strong,
.brand-box small {
    display: block;
}

.brand-box small {
    opacity: 0.7;
}

.nav-menu {
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.nav-item {
    display: flex;
    align-items: center;
    gap: 12px;
    color: rgba(255,255,255,0.8);
    text-decoration: none;
    padding: 12px 14px;
    border-radius: 12px;
    transition: 0.2s ease;
}

.nav-item:hover,
.nav-item.active {
    background: rgba(255,255,255,0.08);
    color: white;
}

.main-panel {
    flex: 1;
    padding: 26px 28px 38px;
}

.topbar {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 24px;
    padding: 0 4px;
}

.eyebrow,
.section-kicker {
    margin: 0 0 4px 0;
    color: var(--muted);
    font-size: 12px;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    font-weight: 700;
}

.topbar h1,
.section-header h2 {
    margin: 0;
    font-weight: 700;
    color: var(--text);
}

.user-badge {
    display: flex;
    align-items: center;
    gap: 12px;
    background: rgba(255,255,255,0.7);
    border: 1px solid var(--line);
    padding: 10px 14px;
    border-radius: 16px;
    box-shadow: var(--shadow);
}

.avatar {
    width: 42px;
    height: 42px;
    border-radius: 50%;
    display: grid;
    place-items: center;
    background: linear-gradient(135deg, var(--primary), #7ea5ff);
    color: white;
    font-weight: 700;
}

.user-badge small {
    display: block;
    color: var(--muted);
}

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

.stats-grid {
    display: grid;
    grid-template-columns: repeat(4, minmax(180px, 1fr));
    gap: 18px;
}

.stat-card {
    background: var(--panel);
    border: 1px solid var(--line);
    border-radius: 18px;
    box-shadow: var(--shadow);
    padding: 18px 20px;
    position: relative;
    overflow: hidden;
}

.stat-card::before {
    content: "";
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 4px;
    background: var(--line);
}

.tone-primary::before { background: var(--primary); }
.tone-warning::before { background: var(--warning); }
.tone-success::before { background: var(--success); }
.tone-info::before { background: #0ea5e9; }

.stat-label {
    color: var(--muted);
    font-size: 13px;
}

.stat-value {
    margin-top: 14px;
    font-size: 2rem;
    font-weight: 800;
    letter-spacing: -0.04em;
}

.stat-trend {
    margin-top: 10px;
    color: var(--success);
    font-weight: 600;
    font-size: 13px;
}

.panel-block {
    background: var(--panel);
    border: 1px solid var(--line);
    border-radius: 18px;
    box-shadow: var(--shadow);
    padding: 20px 22px;
}

.section-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 18px;
}

.filter-bar {
    background: var(--panel-2);
    border: 1px solid var(--line);
    border-radius: 14px;
    padding: 16px;
}

.form-label {
    font-size: 12px;
    font-weight: 700;
    color: var(--muted);
    margin-bottom: 8px;
}

.form-control,
.form-select {
    border-radius: 12px;
    border: 1px solid #dfe7f3;
    padding: 10px 12px;
    background: #fff;
}

.btn {
    border: none;
    border-radius: 12px;
    padding: 10px 16px;
    font-weight: 600;
}

.btn-primary {
    background: var(--primary);
}

.btn-outline-secondary {
    border: 1px solid var(--line);
    background: white;
}

.panel-grid {
    display: grid;
    grid-template-columns: 2fr 1fr;
    gap: 22px;
}

.team-grid {
    display: grid;
    grid-template-columns: repeat(4, minmax(180px, 1fr));
    gap: 16px;
}

.team-card {
    background: linear-gradient(180deg, #fff, #f6f9ff);
    border: 1px solid var(--line);
    padding: 18px 16px;
    border-radius: 18px;
    box-shadow: var(--shadow);
}

.team-card.activo {
    border-left: 4px solid var(--success);
}

.team-card.pendiente {
    border-left: 4px solid var(--warning);
}

.team-header {
    display: flex;
    justify-content: space-between;
    gap: 12px;
    align-items: flex-start;
}

.team-label {
    display: block;
    color: var(--muted);
    text-transform: uppercase;
    letter-spacing: 0.08em;
    font-size: 11px;
    margin-bottom: 8px;
}

.team-card h3 {
    margin: 0;
    font-size: 1rem;
}

.team-badge {
    background: var(--primary-soft);
    color: var(--primary);
    border-radius: 999px;
    padding: 6px 10px;
    font-size: 12px;
    font-weight: 700;
}

.team-meta {
    margin-top: 16px;
    display: flex;
    flex-direction: column;
    gap: 8px;
    color: var(--muted);
    font-size: 13px;
}

.board-grid {
    display: grid;
    grid-template-columns: repeat(5, minmax(180px, 1fr));
    gap: 16px;
}

.kanban-column {
    background: #f8fafc;
    border: 1px solid var(--line);
    border-radius: 18px;
    padding: 14px;
    min-height: 250px;
}

.kanban-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 12px;
    color: var(--text);
}

.kanban-header h3 {
    margin: 0;
    font-size: 0.95rem;
}

.kanban-header span {
    background: var(--primary-soft);
    color: var(--primary);
    border-radius: 999px;
    padding: 4px 8px;
    font-size: 12px;
    font-weight: 700;
}

.kanban-list {
    display: flex;
    flex-direction: column;
    gap: 10px;
}

.kanban-card {
    background: white;
    border: 1px solid var(--line);
    border-radius: 14px;
    padding: 12px;
    box-shadow: 0 8px 18px rgba(20, 30, 55, 0.04);
}

.card-tag {
    display: inline-block;
    background: rgba(38, 84, 212, 0.08);
    color: var(--primary);
    font-size: 11px;
    font-weight: 700;
    border-radius: 999px;
    padding: 6px 10px;
    margin-bottom: 8px;
}

.kanban-card strong {
    display: block;
    margin-bottom: 6px;
    font-size: 0.9rem;
}

.kanban-card p {
    margin: 0;
    color: var(--muted);
    font-size: 12px;
    line-height: 1.5;
}

.priority {
    display: inline-flex;
    align-items: center;
    border-radius: 999px;
    padding: 5px 10px;
    font-size: 12px;
    font-weight: 700;
}

.priority-alta {
    background: rgba(217, 83, 79, 0.1);
    color: #b3261e;
}

.priority-media {
    background: rgba(245, 166, 35, 0.12);
    color: #9b6200;
}

.priority-baja {
    background: rgba(15, 159, 110, 0.12);
    color: #0a7a58;
}

.priority-crítica {
    background: rgba(139, 0, 0, 0.12);
    color: #7d0000;
}

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

.data-table {
    width: 100%;
    border-collapse: collapse;
    min-width: 520px;
}

.data-table th,
.data-table td {
    padding: 14px 12px;
    border-bottom: 1px solid var(--line);
    text-align: left;
}

.data-table th {
    color: var(--muted);
    font-size: 12px;
    text-transform: uppercase;
    letter-spacing: 0.08em;
}

.status-pill {
    display: inline-flex;
    align-items: center;
    border-radius: 999px;
    font-size: 12px;
    padding: 6px 10px;
    font-weight: 700;
}

.status-pendiente,
.status-pendiente-cliente {
    background: rgba(245, 166, 35, 0.12);
    color: #9b6200;
}

.status-activo,
.status-resueltas {
    background: rgba(15, 159, 110, 0.12);
    color: #0a7a58;
}

.status-aprobado {
    background: rgba(38, 84, 212, 0.12);
    color: #1f4ec8;
}

.status-asignadas,
.status-asignada {
    background: rgba(94, 114, 228, 0.12);
    color: #4257d2;
}

.status-en-revisión {
    background: rgba(17, 94, 255, 0.12);
    color: #175ecc;
}

.status-en-proceso {
    background: rgba(18, 125, 173, 0.12);
    color: #12607a;
}

.status-nuevas {
    background: rgba(38, 84, 212, 0.08);
    color: var(--primary);
}

.status-resuelta {
    background: rgba(15, 159, 110, 0.12);
    color: #0a7a58;
}

.quick-actions {
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.btn-action {
    border: none;
    border-radius: 14px;
    padding: 14px 16px;
    text-align: left;
    font-weight: 700;
    color: white;
}

.btn-action.primary { background: var(--primary); }
.btn-action.success { background: var(--success); }
.btn-action.warning { background: var(--warning); }
.btn-action.muted { background: #5d6b82; }

@media (max-width: 980px) {
    .app-shell {
        flex-direction: column;
    }

    .sidebar {
        width: 100%;
    }

    .stats-grid,
    .panel-grid {
        grid-template-columns: 1fr;
    }

    .topbar {
        flex-direction: column;
        align-items: flex-start;
        gap: 12px;
    }
}