/* =========================================
   VARIABLES
========================================= */
:root {
    --app-bg: #f5f6f8;
    --surface: #ffffff;
    --surface-secondary: #f8f9fa;

    --text-primary: #212529;
    --text-secondary: #6c757d;

    --border-color: #e5e7eb;

    --primary: #2563eb;
    --primary-hover: #1d4ed8;
    --primary-subtle: #eff4ff;

    --success: #198754;
    --danger: #dc3545;
    --warning: #f59e0b;
    --info: #0ea5e9;

    --sidebar-width: 260px;
    --sidebar-bg: #1a1f2b;
    --sidebar-text: #aab1c0;
    --sidebar-text-active: #ffffff;
    --topbar-height: 64px;

    --border-radius: 10px;
    --border-radius-sm: 6px;

    --transition-fast: 0.2s ease-in-out;
}

/* =========================================
   GLOBAL
========================================= */
body {
    background-color: var(--app-bg);
    color: var(--text-primary);
    font-family: 'Poppins', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
}

a {
    color: var(--primary);
}

.text-secondary-app {
    color: var(--text-secondary) !important;
}

.page-title {
    font-size: 1.5rem;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: 0.25rem;
}

.page-subtitle {
    font-size: 0.9rem;
    color: var(--text-secondary);
    margin-bottom: 1.5rem;
}

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

.app-main {
    flex: 1;
    width: 100%;
    margin-left: var(--sidebar-width);
    display: flex;
    flex-direction: column;
    min-height: 100vh;
    transition: margin-left var(--transition-fast);
}

.app-content {
    flex: 1;
    padding: 1.5rem;
    padding-top: calc(var(--topbar-height) + 1.5rem);
}

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

/* =========================================
   NAVBAR
========================================= */
.app-topbar {
    position: fixed;
    top: 0;
    right: 0;
    left: var(--sidebar-width);
    height: var(--topbar-height);
    background: var(--surface);
    border-bottom: 1px solid var(--border-color);
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0 1.25rem;
    z-index: 1030;
    transition: left var(--transition-fast);
}

@media (max-width: 991.98px) {
    .app-topbar {
        left: 0;
    }
}

.app-topbar .btn-sidebar-toggle {
    border: none;
    background: transparent;
    font-size: 1.25rem;
    color: var(--text-primary);
    padding: 0.25rem 0.5rem;
    display: none;
}

@media (max-width: 991.98px) {
    .app-topbar .btn-sidebar-toggle {
        display: inline-flex;
    }
}

.app-topbar .user-menu .btn {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    color: var(--text-primary);
    background: var(--surface-secondary);
    border: 1px solid var(--border-color);
    border-radius: 999px;
    padding: 0.35rem 0.9rem 0.35rem 0.5rem;
}

.app-topbar .user-avatar {
    width: 28px;
    height: 28px;
    border-radius: 50%;
    background: var(--primary-subtle);
    color: var(--primary);
    display: inline-flex;
    align-items: center;
    justify-content: center;
    font-weight: 600;
    font-size: 0.8rem;
}

/* =========================================
   SIDEBAR
========================================= */
.app-sidebar {
    position: fixed;
    top: 0;
    left: 0;
    bottom: 0;
    width: var(--sidebar-width);
    background: var(--sidebar-bg);
    display: flex;
    flex-direction: column;
    z-index: 1040;
    transition: transform var(--transition-fast);
}

.app-sidebar .sidebar-logo {
    display: flex;
    align-items: center;
    gap: 0.6rem;
    padding: 1.1rem 1.25rem;
    border-bottom: 1px solid rgba(255, 255, 255, 0.08);
}

.app-sidebar .sidebar-logo img {
    width: 32px;
    height: 32px;
    border-radius: 50%;
    object-fit: contain;
    background: #fff;
}

.app-sidebar .sidebar-logo span {
    color: #fff;
    font-weight: 600;
    font-size: 0.95rem;
}

.app-sidebar .sidebar-nav {
    flex: 1;
    overflow-y: auto;
    padding: 0.75rem;
    list-style: none;
    margin: 0;
}

.app-sidebar .sidebar-nav li + li {
    margin-top: 0.15rem;
}

.app-sidebar .sidebar-nav a {
    display: flex;
    align-items: center;
    gap: 0.7rem;
    padding: 0.6rem 0.85rem;
    border-radius: var(--border-radius-sm);
    color: var(--sidebar-text);
    text-decoration: none;
    font-size: 0.875rem;
    font-weight: 500;
    transition: background-color var(--transition-fast), color var(--transition-fast);
}

.app-sidebar .sidebar-nav a i,
.app-sidebar .sidebar-nav a .nav-icon {
    width: 18px;
    text-align: center;
    flex-shrink: 0;
}

.app-sidebar .sidebar-nav a:hover {
    background: rgba(255, 255, 255, 0.06);
    color: #fff;
}

.app-sidebar .sidebar-nav li.active > a {
    background: var(--primary);
    color: #fff;
}

.app-sidebar .sidebar-nav .nav-section-title {
    padding: 1rem 0.85rem 0.35rem;
    font-size: 0.7rem;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    color: rgba(255, 255, 255, 0.35);
}

@media (max-width: 991.98px) {
    .app-sidebar {
        transform: translateX(-100%);
    }
    body.sidebar-open .app-sidebar {
        transform: translateX(0);
    }
    body.sidebar-open .sidebar-backdrop {
        display: block;
    }
}

.sidebar-backdrop {
    display: none;
    position: fixed;
    inset: 0;
    background: rgba(0, 0, 0, 0.4);
    z-index: 1035;
}

/* =========================================
   CONTENT
========================================= */
.section-heading {
    display: flex;
    align-items: flex-start;
    justify-content: space-between;
    flex-wrap: wrap;
    gap: 0.75rem;
    margin-bottom: 1.25rem;
}

/* =========================================
   CARDS
========================================= */
.card,
.app-card {
    background: var(--surface);
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius);
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.05);
    margin-bottom: 1.5rem;
}

.card-header,
.app-card .app-card-header {
    padding: 1rem 1.25rem;
    background: transparent;
    border-bottom: 1px solid var(--border-color);
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 0.75rem;
    flex-wrap: wrap;
}

.card-title,
.card-header h2,
.card-header h3,
.card-header h4,
.card-header h5,
.app-card .app-card-header h2,
.app-card .app-card-header h3,
.app-card .app-card-header h5 {
    font-size: 1.05rem;
    font-weight: 600;
    margin: 0;
    color: var(--text-primary);
}

.card-body,
.app-card .app-card-body {
    padding: 1.25rem;
}

a.app-card-clickable {
    display: block;
    text-decoration: none;
    color: inherit;
    transition: box-shadow var(--transition-fast), transform var(--transition-fast);
}

a.app-card-clickable:hover {
    box-shadow: 0 8px 20px rgba(0, 0, 0, 0.08);
    transform: translateY(-2px);
}

/* stat / KPI tiles */
.stat-tile {
    background: var(--surface);
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius);
    padding: 1.1rem 1.25rem;
}

.stat-tile .stat-label {
    color: var(--text-secondary);
    font-size: 0.8rem;
    text-transform: uppercase;
    letter-spacing: 0.03em;
    margin-bottom: 0.25rem;
}

.stat-tile .stat-value {
    font-size: 1.6rem;
    font-weight: 700;
    color: var(--text-primary);
}

/* =========================================
   FORMS
========================================= */
.form-label {
    font-weight: 500;
    font-size: 0.85rem;
    color: var(--text-primary);
    margin-bottom: 0.35rem;
}

.form-control,
.form-select {
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius-sm);
    padding: 0.5rem 0.75rem;
    font-size: 0.9rem;
    transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
}

.form-control:focus,
.form-select:focus {
    border-color: var(--primary);
    box-shadow: 0 0 0 0.2rem rgba(37, 99, 235, 0.15);
}

.form-control:disabled,
.form-select:disabled {
    background-color: var(--surface-secondary);
    color: var(--text-secondary);
}

.form-control.is-invalid,
.form-select.is-invalid {
    border-color: var(--danger);
}

.form-text {
    color: var(--text-secondary);
    font-size: 0.8rem;
}

/* =========================================
   BUTTONS
========================================= */
.btn {
    border-radius: var(--border-radius-sm);
    font-size: 0.875rem;
    font-weight: 500;
    padding: 0.5rem 1rem;
    transition:
        background-color var(--transition-fast),
        color var(--transition-fast),
        border-color var(--transition-fast),
        box-shadow var(--transition-fast),
        transform var(--transition-fast);
}

.btn:focus {
    box-shadow: 0 0 0 0.2rem rgba(37, 99, 235, 0.2);
}

.btn:disabled,
.btn.disabled {
    opacity: 0.55;
    transform: none;
}

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

.btn-primary:hover {
    background-color: var(--primary-hover);
    border-color: var(--primary-hover);
    transform: translateY(-1px);
}

.btn-sm {
    padding: 0.3rem 0.65rem;
    font-size: 0.8rem;
}

.btn-icon {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 32px;
    height: 32px;
    padding: 0;
}

/* =========================================
   TABLES
========================================= */
.table thead th,
.app-table thead th {
    background-color: var(--surface-secondary);
    color: var(--text-secondary);
    font-size: 0.75rem;
    text-transform: uppercase;
    letter-spacing: 0.03em;
    font-weight: 600;
    border-bottom: 1px solid var(--border-color);
    white-space: nowrap;
}

.table td,
.table th,
.app-table td,
.app-table th {
    padding: 0.75rem 1rem;
    vertical-align: middle;
}

.table tbody tr,
.app-table tbody tr {
    border-bottom: 1px solid var(--border-color);
}

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

.table-actions {
    display: flex;
    gap: 0.4rem;
    flex-wrap: wrap;
}

/* =========================================
   MODALS
========================================= */
.modal-content {
    border: none;
    border-radius: var(--border-radius);
    box-shadow: 0 12px 40px rgba(0, 0, 0, 0.15);
}

.modal-header {
    border-bottom: 1px solid var(--border-color);
    padding: 1rem 1.25rem;
}

.modal-header .modal-title {
    font-weight: 600;
    font-size: 1.05rem;
}

.modal-body {
    padding: 1.25rem;
}

.modal-footer {
    border-top: 1px solid var(--border-color);
    padding: 1rem 1.25rem;
}

/* =========================================
   RESPONSIVE
========================================= */
@media (max-width: 575.98px) {
    .app-content {
        padding: 1rem;
        padding-top: calc(var(--topbar-height) + 1rem);
    }

    .app-card .app-card-body,
    .app-card .app-card-header {
        padding: 0.9rem;
    }

    .section-heading {
        flex-direction: column;
        align-items: stretch;
    }

    .table-actions {
        justify-content: flex-start;
    }
}

.table-responsive {
    -webkit-overflow-scrolling: touch;
}

/* =========================================
   LOGIN / TELAS PÚBLICAS (index.php, redefinir_senha.php)
========================================= */
.login-page {
    display: flex;
    align-items: center;
    justify-content: center;
    min-height: 100vh;
    padding: 20px;
}

.login-card {
    background: var(--surface);
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius);
    box-shadow: 0 12px 40px rgba(0, 0, 0, 0.08);
    padding: 2.5rem;
    max-width: 420px;
    width: 100%;
}

.login-card h2 {
    color: var(--text-primary);
    font-weight: 700;
    font-size: 1.4rem;
    margin-bottom: 1.75rem;
}

.login-card .input-group-text {
    background: var(--surface-secondary);
    border: 1px solid var(--border-color);
    color: var(--primary);
}

.login-card .btn-login {
    background-color: var(--primary);
    color: #fff;
    font-weight: 600;
    height: 48px;
}

.login-card .btn-login:hover {
    background-color: var(--primary-hover);
}