:root {
    --color-primary: #5b21b6;
    --color-primary-dark: #4c1d95;
    --color-primary-light: #ede9fe;
    --color-dark: #111827;
    --color-muted: #6b7280;
    --color-bg: #f4f6f9;
    --color-white: #ffffff;
    --color-danger: #dc2626;
    --color-success: #16a34a;
    --color-warning: #f59e0b;
    --border-radius: 18px;
    --shadow-card: 0 8px 24px rgba(15, 23, 42, 0.08);
}

* {
    box-sizing: border-box;
}

body {
    background: var(--color-bg);
    color: #1f2937;
    font-family: system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
}

a {
    text-decoration: none;
}

/* Layout */

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

.app-sidebar {
    width: 265px;
    min-height: 100vh;
    background: linear-gradient(180deg, #111827, #4c1d95);
    color: var(--color-white);
    padding: 24px 18px;
    display: flex;
    flex-direction: column;
    position: fixed;
    left: 0;
    top: 0;
    bottom: 0;
}

.app-main {
    flex: 1;
    margin-left: 265px;
    padding: 24px;
}

.sidebar-brand {
    display: flex;
    align-items: center;
    gap: 12px;
    margin-bottom: 36px;
}

.brand-icon {
    width: 44px;
    height: 44px;
    border-radius: 14px;
    background: rgba(255, 255, 255, 0.14);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 22px;
}

.brand-title {
    font-size: 1.05rem;
    font-weight: 800;
    line-height: 1.1;
}

.brand-subtitle {
    font-size: 0.85rem;
    color: #ddd6fe;
}

.sidebar-nav {
    flex: 1;
}

.sidebar-link {
    color: #e9d5ff;
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 12px 14px;
    border-radius: 14px;
    margin-bottom: 8px;
    transition: 0.2s ease;
    font-weight: 500;
}

.sidebar-link:hover,
.sidebar-link.active {
    color: var(--color-white);
    background: rgba(255, 255, 255, 0.14);
}

.sidebar-link i {
    font-size: 1.1rem;
}

.logout-link {
    color: #fecaca;
}

.logout-link:hover {
    background: rgba(239, 68, 68, 0.18);
    color: #fff;
}

/* Topbar */

.app-topbar {
    background: var(--color-white);
    border-radius: var(--border-radius);
    padding: 16px 22px;
    box-shadow: var(--shadow-card);
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 24px;
}

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

.user-avatar {
    width: 42px;
    height: 42px;
    border-radius: 14px;
    background: var(--color-primary-light);
    color: var(--color-primary);
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 800;
}

/* Cards */

.card-metrica,
.app-card {
    border: none;
    border-radius: var(--border-radius);
    box-shadow: var(--shadow-card);
    background: var(--color-white);
}

.metric-card {
    border: none;
    border-radius: var(--border-radius);
    box-shadow: var(--shadow-card);
    background: var(--color-white);
    overflow: hidden;
}

.metric-card .card-body {
    padding: 22px;
}

.metric-label {
    font-size: 0.86rem;
    color: var(--color-muted);
    margin-bottom: 6px;
}

.metric-value {
    font-size: 1.65rem;
    font-weight: 800;
    line-height: 1.2;
}

.metric-icon {
    width: 46px;
    height: 46px;
    border-radius: 15px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 22px;
    background: var(--color-primary-light);
    color: var(--color-primary);
}

/* Titles */

.page-title {
    font-weight: 800;
    color: #111827;
    margin-bottom: 4px;
}

.page-subtitle {
    color: var(--color-muted);
    margin-bottom: 0;
}

.page-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 16px;
    margin-bottom: 24px;
}

/* Buttons */

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

.btn-primary:hover,
.btn-primary:focus {
    background: var(--color-primary-dark);
    border-color: var(--color-primary-dark);
}

.btn-outline-primary {
    color: var(--color-primary);
    border-color: var(--color-primary);
}

.btn-outline-primary:hover {
    background: var(--color-primary);
    border-color: var(--color-primary);
}

.btn {
    border-radius: 12px;
    font-weight: 600;
}

.form-control,
.form-select {
    border-radius: 12px;
    padding: 10px 12px;
}

.form-control:focus,
.form-select:focus {
    border-color: var(--color-primary);
    box-shadow: 0 0 0 0.2rem rgba(91, 33, 182, 0.14);
}

/* Badges */

.badge-soft {
    background: var(--color-primary-light);
    color: var(--color-primary);
}

.badge {
    border-radius: 10px;
    padding: 7px 10px;
}

/* Tables */

.table {
    margin-bottom: 0;
}

.table thead th {
    color: var(--color-muted);
    font-size: 0.82rem;
    text-transform: uppercase;
    letter-spacing: 0.03em;
    border-bottom: 1px solid #e5e7eb;
}

.table tbody td {
    vertical-align: middle;
}

.table-responsive {
    border-radius: 14px;
}

/* Auth */

.auth-bg {
    min-height: 100vh;
    background:
        radial-gradient(circle at top left, rgba(139, 92, 246, 0.35), transparent 32%),
        linear-gradient(135deg, #111827, #5b21b6);
}

.auth-card {
    width: 100%;
    max-width: 460px;
    border: none;
    border-radius: 26px;
    box-shadow: 0 24px 70px rgba(0, 0, 0, 0.28);
}

.auth-card-lg {
    max-width: 560px;
}

.auth-logo {
    width: 60px;
    height: 60px;
    border-radius: 20px;
    background: var(--color-primary-light);
    color: var(--color-primary);
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 18px auto;
    font-size: 30px;
}

/* Utilities */

.text-money-danger {
    color: var(--color-danger);
}

.text-money-success {
    color: var(--color-success);
}

.text-money-warning {
    color: var(--color-warning);
}

.empty-state {
    padding: 32px;
    text-align: center;
    color: var(--color-muted);
}

.empty-state i {
    font-size: 42px;
    color: #c4b5fd;
    margin-bottom: 12px;
}

.messages-area {
    margin-bottom: 18px;
}

/* Responsive */

@media (max-width: 991px) {
    .app-layout {
        display: block;
    }

    .app-sidebar {
        position: relative;
        width: 100%;
        min-height: auto;
        padding: 16px;
    }

    .app-main {
        margin-left: 0;
        padding: 16px;
    }

    .sidebar-nav {
        display: grid;
        grid-template-columns: repeat(2, 1fr);
        gap: 8px;
    }

    .sidebar-link {
        margin-bottom: 0;
    }

    .sidebar-footer {
        margin-top: 12px;
    }

    .page-header {
        flex-direction: column;
        align-items: flex-start;
    }
}

.sidebar-link.border-0 {
    background: transparent;
}