/* ============================================================
   Ambiente do Aluno — Design System v2
   Inspirado no estilo Ehya: azul céu, navy, cards arredondados
   ============================================================ */

@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700;800&display=swap');

/* ─── Variáveis ──────────────────────────────────────────────── */
:root {
    --aa-primary:       #29C5F6;
    --aa-primary-dark:  #1AADDE;
    --aa-primary-light: #7DDFF9;
    --aa-navy:          #1A2D4D;
    --aa-navy-mid:      #2D4A7A;
    --aa-bg:            #EBF5FB;
    --aa-muted:         #8FA4B8;
    --aa-border:        rgba(41, 197, 246, 0.15);
    --aa-shadow:        0 4px 24px rgba(41, 197, 246, 0.12);
    --aa-shadow-hover:  0 8px 36px rgba(41, 197, 246, 0.22);
    --aa-radius-card:   16px;
    --aa-radius-btn:    10px;
    --aa-radius-input:  10px;

    /* Override Bootstrap */
    --bs-primary:       #29C5F6;
    --bs-primary-rgb:   41, 197, 246;
    --bs-body-bg:       #EBF5FB;
    --bs-body-color:    #1A2D4D;
    --bs-body-font-family: 'Inter', system-ui, sans-serif;
    --bs-border-color:  rgba(41, 197, 246, 0.15);
}

/* ─── Base ───────────────────────────────────────────────────── */
body {
    font-family: 'Inter', system-ui, sans-serif;
    background-color: var(--aa-bg);
    color: var(--aa-navy);
}

h1, h2, h3, h4, h5, h6 {
    color: var(--aa-navy);
    font-weight: 700;
    letter-spacing: -0.02em;
}

/* ─── Navbar ─────────────────────────────────────────────────── */
.navbar {
    background-color: var(--aa-primary) !important;
    box-shadow: 0 2px 20px rgba(41, 197, 246, 0.35);
}

.navbar-brand {
    font-weight: 800;
    font-size: 1.05rem;
    letter-spacing: -0.01em;
}

/* ─── Sidebar ────────────────────────────────────────────────── */
.sidebar {
    background-color: var(--aa-navy) !important;
    position: sticky;
    top: 56px;
    height: calc(100vh - 56px);
    overflow-y: auto;
}

.sidebar .border-bottom {
    border-color: rgba(255, 255, 255, 0.08) !important;
}

.sidebar .border-top {
    border-color: rgba(255, 255, 255, 0.08) !important;
}

.sidebar-link {
    color: rgba(255, 255, 255, 0.60);
    border-radius: var(--aa-radius-btn);
    padding: 0.55rem 0.85rem;
    margin-bottom: 2px;
    font-size: 0.875rem;
    font-weight: 500;
    transition: all 0.18s ease;
    display: flex;
    align-items: center;
}

.sidebar-link:hover {
    color: #fff;
    background-color: rgba(41, 197, 246, 0.18);
}

.sidebar-link.active {
    color: #fff;
    background-color: rgba(41, 197, 246, 0.26);
    font-weight: 600;
}

.sidebar::-webkit-scrollbar { width: 3px; }
.sidebar::-webkit-scrollbar-thumb {
    background: rgba(41, 197, 246, 0.30);
    border-radius: 3px;
}

/* ─── Cards ──────────────────────────────────────────────────── */
.card {
    border-radius: var(--aa-radius-card) !important;
    border: none !important;
    box-shadow: var(--aa-shadow);
    transition: box-shadow 0.22s ease, transform 0.22s ease;
    background-color: #fff;
}

.card-header {
    background-color: #fff !important;
    border-radius: var(--aa-radius-card) var(--aa-radius-card) 0 0 !important;
    border-bottom: 1px solid var(--aa-border) !important;
    font-weight: 600;
    color: var(--aa-navy);
}

.card-footer {
    background-color: #fff !important;
    border-radius: 0 0 var(--aa-radius-card) var(--aa-radius-card) !important;
    border-top: 1px solid var(--aa-border) !important;
}

/* ─── Botões ─────────────────────────────────────────────────── */
.btn {
    border-radius: var(--aa-radius-btn) !important;
    font-weight: 600;
    font-size: 0.875rem;
    transition: all 0.18s ease;
}

.btn-primary {
    background-color: var(--aa-primary) !important;
    border-color: var(--aa-primary) !important;
    color: #fff !important;
    box-shadow: 0 4px 14px rgba(41, 197, 246, 0.35);
}

.btn-primary:hover, .btn-primary:focus {
    background-color: var(--aa-primary-dark) !important;
    border-color: var(--aa-primary-dark) !important;
    box-shadow: 0 6px 20px rgba(41, 197, 246, 0.45);
    transform: translateY(-1px);
}

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

.btn-outline-primary:hover {
    background-color: var(--aa-primary) !important;
    color: #fff !important;
    box-shadow: 0 4px 14px rgba(41, 197, 246, 0.30);
}

.btn-outline-secondary {
    color: var(--aa-navy) !important;
    border-color: rgba(41, 197, 246, 0.30) !important;
    background-color: #fff;
}

.btn-outline-secondary:hover {
    background-color: var(--aa-bg) !important;
    border-color: var(--aa-primary) !important;
    color: var(--aa-primary) !important;
}

.btn-success {
    background: linear-gradient(135deg, #48BB78, #38A169) !important;
    border: none !important;
    box-shadow: 0 4px 14px rgba(72, 187, 120, 0.35);
}

.btn-warning {
    background: linear-gradient(135deg, #F6AD55, #FC8019) !important;
    border: none !important;
    color: #fff !important;
}

.btn-danger {
    background: linear-gradient(135deg, #FF6B6B, #EE5A24) !important;
    border: none !important;
}

/* ─── Formulários ────────────────────────────────────────────── */
.form-control, .form-select {
    border-radius: var(--aa-radius-input) !important;
    border-color: rgba(41, 197, 246, 0.25) !important;
    font-size: 0.9rem;
    padding: 0.55rem 0.9rem;
    background-color: #fff;
    color: var(--aa-navy);
    transition: border-color 0.18s ease, box-shadow 0.18s ease;
}

.form-control:focus, .form-select:focus {
    border-color: var(--aa-primary) !important;
    box-shadow: 0 0 0 3px rgba(41, 197, 246, 0.15) !important;
    outline: none;
}

.form-label {
    font-size: 0.82rem;
    font-weight: 700;
    color: var(--aa-navy);
    text-transform: uppercase;
    letter-spacing: 0.04em;
    margin-bottom: 0.4rem;
}

.form-text {
    color: var(--aa-muted);
    font-size: 0.78rem;
}

.invalid-feedback {
    font-size: 0.8rem;
    font-weight: 500;
}

/* ─── Badges ─────────────────────────────────────────────────── */
.badge {
    border-radius: 8px !important;
    font-weight: 700;
    font-size: 0.72rem;
    letter-spacing: 0.02em;
    padding: 0.38em 0.7em;
}

/* Role badges - gradientes coloridos */
.badge-admin {
    background: linear-gradient(135deg, #FF6B6B, #EE5A24) !important;
    color: #fff !important;
}

.badge-professor {
    background: linear-gradient(135deg, #667EEA, #764BA2) !important;
    color: #fff !important;
}

.badge-monitor {
    background: linear-gradient(135deg, #F6AD55, #FC8019) !important;
    color: #fff !important;
}

.badge-aluno {
    background: linear-gradient(135deg, #29C5F6, #1A9DD4) !important;
    color: #fff !important;
}

/* Bootstrap badge overrides */
.bg-primary   { background-color: var(--aa-primary) !important; }
.bg-success   { background: linear-gradient(135deg, #48BB78, #38A169) !important; }
.bg-danger    { background: linear-gradient(135deg, #FF6B6B, #EE5A24) !important; }
.bg-warning   { background: linear-gradient(135deg, #F6AD55, #FC8019) !important; }
.bg-info      { background: linear-gradient(135deg, #29C5F6, #1A9DD4) !important; }
.bg-secondary { background-color: var(--aa-muted) !important; }

/* ─── Icon Badges (quadrados arredondados) ───────────────────── */
.icon-badge {
    width: 52px;
    height: 52px;
    border-radius: 14px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.4rem;
    flex-shrink: 0;
}

.icon-badge-blue   { background: linear-gradient(135deg, #29C5F6, #1A9DD4); color: #fff; }
.icon-badge-navy   { background: linear-gradient(135deg, #1A2D4D, #2D4A7A); color: #fff; }
.icon-badge-red    { background: linear-gradient(135deg, #FF6B6B, #EE5A24); color: #fff; }
.icon-badge-purple { background: linear-gradient(135deg, #667EEA, #764BA2); color: #fff; }
.icon-badge-yellow { background: linear-gradient(135deg, #F6AD55, #FC8019); color: #fff; }
.icon-badge-green  { background: linear-gradient(135deg, #48BB78, #38A169); color: #fff; }
.icon-badge-teal   { background: linear-gradient(135deg, #38B2AC, #2C7A7B); color: #fff; }

/* ─── Tabelas ────────────────────────────────────────────────── */
.table {
    --bs-table-hover-bg: rgba(41, 197, 246, 0.05);
    --bs-table-striped-bg: rgba(41, 197, 246, 0.03);
}

.table th {
    font-size: 0.72rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.06em;
    color: var(--aa-muted);
    border-bottom: 1px solid var(--aa-border) !important;
    padding: 0.85rem 0.85rem;
}

.table td {
    border-color: var(--aa-border) !important;
    padding: 0.75rem 0.85rem;
    color: var(--aa-navy);
    vertical-align: middle;
}

.table-light {
    background-color: rgba(235, 245, 251, 0.8) !important;
}

/* ─── Nav Tabs ───────────────────────────────────────────────── */
.nav-tabs {
    border-bottom: 2px solid var(--aa-border) !important;
    gap: 4px;
}

.nav-tabs .nav-link {
    border: none !important;
    color: var(--aa-muted);
    font-weight: 600;
    font-size: 0.875rem;
    padding: 0.6rem 1.1rem;
    border-radius: 8px 8px 0 0 !important;
    transition: all 0.18s ease;
}

.nav-tabs .nav-link:hover {
    color: var(--aa-primary);
    background-color: rgba(41, 197, 246, 0.06);
}

.nav-tabs .nav-link.active, .nav-tabs .nav-link.fw-semibold.active {
    color: var(--aa-primary) !important;
    font-weight: 700 !important;
    background-color: transparent !important;
    border-bottom: 2px solid var(--aa-primary) !important;
    margin-bottom: -2px;
}

/* ─── Accordion ──────────────────────────────────────────────── */
.accordion-item {
    border-radius: 12px !important;
    border: 1px solid var(--aa-border) !important;
    overflow: hidden;
    margin-bottom: 4px;
}

.accordion-button {
    font-weight: 600;
    color: var(--aa-navy) !important;
    background-color: #fff !important;
    font-size: 0.9rem;
}

.accordion-button:not(.collapsed) {
    background-color: rgba(41, 197, 246, 0.07) !important;
    color: var(--aa-primary) !important;
    box-shadow: none !important;
}

.accordion-button:focus {
    box-shadow: none !important;
}

.accordion-button::after {
    filter: invert(60%) sepia(70%) saturate(400%) hue-rotate(170deg);
}

/* ─── Alerts ─────────────────────────────────────────────────── */
.alert {
    border-radius: 12px !important;
    border: none !important;
    font-weight: 500;
    font-size: 0.9rem;
}

.alert-success  { background: rgba(72,187,120,0.12); color: #276749; }
.alert-danger   { background: rgba(255,107,107,0.12); color: #c53030; }
.alert-warning  { background: rgba(246,173,85,0.15);  color: #7b341e; }
.alert-info     { background: rgba(41,197,246,0.12);  color: #1a6987; }

/* ─── List Group ─────────────────────────────────────────────── */
.list-group-item {
    border-color: var(--aa-border) !important;
    color: var(--aa-navy);
}

.list-group-item-action:hover {
    background-color: rgba(41, 197, 246, 0.06) !important;
    color: var(--aa-primary) !important;
}

/* ─── Breadcrumb ─────────────────────────────────────────────── */
.breadcrumb-item a {
    color: var(--aa-primary);
    text-decoration: none;
    font-weight: 500;
}

.breadcrumb-item.active {
    color: var(--aa-muted);
    font-weight: 500;
}

.breadcrumb-item + .breadcrumb-item::before {
    color: var(--aa-muted);
}

/* ─── Modal ──────────────────────────────────────────────────── */
.modal-content {
    border-radius: var(--aa-radius-card) !important;
    border: none !important;
    box-shadow: 0 20px 60px rgba(26, 45, 77, 0.25);
}

.modal-header {
    border-bottom: 1px solid var(--aa-border) !important;
}

.modal-footer {
    border-top: 1px solid var(--aa-border) !important;
}

/* ─── Dropdown ───────────────────────────────────────────────── */
.dropdown-menu {
    border-radius: 12px !important;
    border: 1px solid var(--aa-border) !important;
    box-shadow: var(--aa-shadow) !important;
    padding: 6px;
}

.dropdown-item {
    border-radius: 8px !important;
    font-size: 0.875rem;
    font-weight: 500;
    color: var(--aa-navy) !important;
    padding: 0.45rem 0.85rem;
    transition: all 0.15s ease;
}

.dropdown-item:hover {
    background-color: rgba(41, 197, 246, 0.08) !important;
    color: var(--aa-primary) !important;
}

/* ─── Input Group ────────────────────────────────────────────── */
.input-group > .form-control,
.input-group > .btn {
    border-radius: 0 !important;
}

.input-group > .form-control:first-child,
.input-group > .btn:first-child {
    border-radius: var(--aa-radius-input) 0 0 var(--aa-radius-input) !important;
}

.input-group > .form-control:last-child,
.input-group > .btn:last-child {
    border-radius: 0 var(--aa-radius-input) var(--aa-radius-input) 0 !important;
}

/* ─── Utilitários customizados ───────────────────────────────── */
.text-primary { color: var(--aa-primary) !important; }
.text-navy    { color: var(--aa-navy) !important; }
.text-muted   { color: var(--aa-muted) !important; }

.bg-body-light { background-color: var(--aa-bg) !important; }

/* Card métrica com ícone */
.metric-card {
    display: flex;
    align-items: center;
    gap: 1rem;
}

/* Página de erro */
.error-page {
    min-height: 60vh;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-direction: column;
    text-align: center;
}

/* Quill editor */
#quill-editor { min-height: 200px; background: #fff; }
.ql-toolbar { border-radius: 10px 10px 0 0; border-color: rgba(41,197,246,0.25) !important; }
.ql-container { border-radius: 0 0 10px 10px; border-color: rgba(41,197,246,0.25) !important; font-size: 0.95rem; }