/* ============================================
   AVA ALUNO - CENED
   Tema principal
   ============================================ */

/* --- RESET & BASE --- */
*,
*::before,
*::after {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

:root {
    --sidebar-width: 260px;
    --sidebar-collapsed-width: 68px;
    --sidebar-bg: #0f0f0f;
    --sidebar-hover: #16213e;
    --sidebar-text: #a0a0b8;
    --sidebar-text-active: #ffffff;
    --body-bg: #f4f6fa;
    --card-bg: #ffffff;
    --text-primary: #1e1e2d;
    --text-secondary: #6b7280;
    --border-color: #e5e7eb;
    --header-height: 60px;
    --transition-speed: 0.3s;
    
    /* Cores do tema - Azul (padrão) */
    --primary: #2563eb;
    --primary-dark: #1d4ed8;
    --primary-light: #dbeafe;
    --accent: #3b82f6;
    --sidebar-active: #2563eb;
}

/* ============================================
   TEMAS DE CORES
   ============================================ */

/* Tema Azul (Padrão) */
[data-theme="blue"], :root {
    --primary: #2563eb;
    --primary-dark: #1d4ed8;
    --primary-light: #dbeafe;
    --accent: #3b82f6;
    --sidebar-active: #2563eb;
}

/* Tema Roxo */
[data-theme="purple"] {
    --primary: #7c3aed;
    --primary-dark: #5b21b6;
    --primary-light: #ede9fe;
    --accent: #d946ef;
    --sidebar-active: #7c3aed;
}

/* Tema Verde */
[data-theme="green"] {
    --primary: #059669;
    --primary-dark: #047857;
    --primary-light: #d1fae5;
    --accent: #10b981;
    --sidebar-active: #059669;
}

/* Tema Escuro */
[data-theme="dark"] {
    --primary: #374151;
    --primary-dark: #1f2937;
    --primary-light: #e5e7eb;
    --accent: #6b7280;
    --sidebar-active: #374151;
}

html {
    font-size: 15px;
}

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    background: var(--body-bg);
    color: var(--text-primary);
    line-height: 1.6;
    min-height: 100vh;
}

a {
    color: var(--primary);
    text-decoration: none;
}

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

/* ============================================
   LOGIN PAGE
   ============================================ */
.login-body {
    background: var(--body-bg);
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
}

.login-container {
    display: flex;
    width: 100%;
    max-width: 1100px;
    min-height: 600px;
    background: var(--card-bg);
    border-radius: 20px;
    overflow: hidden;
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.1);
    margin: 20px;
}

.login-form-side {
    flex: 1;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 60px 50px;
    background: #f8f7fc;
}

.login-form-wrapper {
    width: 100%;
    max-width: 380px;
}

.login-logo img {
    max-height: 80px;
    margin-bottom: 10px;
}

.logo-text-fallback {
    font-size: 2.5rem;
    font-weight: 800;
    color: #2563eb;
    letter-spacing: 2px;
}

.login-title {
    font-size: 1.4rem;
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: 30px;
}

.login-form .form-control {
    border: 1px solid var(--border-color);
    border-radius: 10px;
    padding: 14px 16px;
    font-size: 0.95rem;
    background: var(--card-bg);
    transition: border-color var(--transition-speed);
}

.login-form .form-control:focus {
    border-color: #2563eb;
    box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.1);
}

.login-form .form-floating > label {
    color: var(--text-secondary);
}

.link-forgot {
    color: #2563eb;
    font-weight: 600;
    font-size: 0.9rem;
}

.link-forgot:hover {
    color: #1d4ed8;
}

.btn-login {
    background: linear-gradient(135deg, #2563eb, #3b82f6);
    color: #fff;
    border: none;
    border-radius: 50px;
    padding: 12px;
    font-size: 1rem;
    font-weight: 600;
    letter-spacing: 0.5px;
    transition: all var(--transition-speed);
}

.btn-login:hover {
    background: linear-gradient(135deg, #1d4ed8, #2563eb);
    color: #fff;
    transform: translateY(-1px);
    box-shadow: 0 6px 20px rgba(37, 99, 235, 0.3);
}

.link-cookies {
    color: #2563eb;
    font-size: 0.85rem;
    font-weight: 500;
}

.login-image-side {
    flex: 1;
    background: linear-gradient(135deg, #2563eb 0%, #3b82f6 50%, #60a5fa 100%);
    position: relative;
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: hidden;
}

.login-image-overlay {
    position: absolute;
    inset: 0;
    background: url('data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 200 200"><circle cx="100" cy="100" r="80" fill="none" stroke="rgba(255,255,255,0.1)" stroke-width="2"/><circle cx="60" cy="60" r="120" fill="none" stroke="rgba(255,255,255,0.05)" stroke-width="2"/></svg>') center/cover;
}

.login-image-content {
    position: relative;
    z-index: 2;
    color: #fff;
    text-align: center;
    padding: 40px;
}

.login-image-content h2 {
    font-size: 2rem;
    font-weight: 700;
    margin-bottom: 15px;
    line-height: 1.3;
}

.login-image-content p {
    font-size: 1rem;
    opacity: 0.9;
}

/* ============================================
   APP WRAPPER (sidebar + main)
   ============================================ */
.app-wrapper {
    display: flex;
    min-height: 100vh;
}

/* ============================================
   SIDEBAR - Tema Escuro
   ============================================ */
.sidebar {
    width: var(--sidebar-width);
    background: var(--sidebar-bg);
    color: var(--sidebar-text);
    position: fixed;
    top: 0;
    left: 0;
    bottom: 0;
    z-index: 1000;
    display: flex;
    flex-direction: column;
    transition: width var(--transition-speed) ease;
    overflow-x: hidden;
    overflow-y: auto;
}

.sidebar::-webkit-scrollbar {
    width: 4px;
}

.sidebar::-webkit-scrollbar-thumb {
    background: rgba(255, 255, 255, 0.1);
    border-radius: 4px;
}

/* Logo */
.sidebar-logo {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 20px 20px 10px;
    white-space: nowrap;
}

.sidebar-logo-img {
    height: 32px;
    width: auto;
}

.sidebar-logo-text {
    font-size: 1.1rem;
    font-weight: 700;
    color: #fff;
    letter-spacing: 1px;
}

.sidebar-logo-full {
    display: inline;
}

/* Profile */
.sidebar-profile {
    padding: 15px 20px;
    border-bottom: 1px solid rgba(255, 255, 255, 0.08);
    margin-bottom: 10px;
    display: flex;
    align-items: center;
    gap: 12px;
    white-space: nowrap;
}

.sidebar-avatar img {
    width: 44px;
    height: 44px;
    border-radius: 50%;
    border: 2px solid var(--primary);
    object-fit: cover;
    flex-shrink: 0;
}

.sidebar-user-info {
    overflow: hidden;
}

.sidebar-user-name {
    display: block;
    font-size: 0.85rem;
    font-weight: 600;
    color: #fff;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.sidebar-user-email {
    display: block;
    font-size: 0.72rem;
    color: var(--sidebar-text);
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

/* Navigation */
.sidebar-nav {
    flex: 1;
    display: flex;
    flex-direction: column;
    padding: 0 10px;
}

.sidebar-section-label {
    display: block;
    font-size: 0.65rem;
    font-weight: 700;
    letter-spacing: 1.5px;
    color: rgba(255, 255, 255, 0.3);
    padding: 18px 12px 6px;
    text-transform: uppercase;
    white-space: nowrap;
}

.sidebar-link {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 10px 12px;
    border-radius: 8px;
    color: var(--sidebar-text);
    font-size: 0.88rem;
    font-weight: 500;
    transition: all 0.2s;
    white-space: nowrap;
    text-decoration: none;
}

.sidebar-link:hover {
    background: var(--sidebar-hover);
    color: #fff;
}

.sidebar-link.active {
    background: var(--sidebar-active);
    color: #fff;
}

.sidebar-link i:first-child {
    font-size: 1.1rem;
    width: 24px;
    text-align: center;
    flex-shrink: 0;
}

/* Sidebar Bootstrap Accordion */
.sidebar-accordion {
    --bs-accordion-bg: transparent;
    --bs-accordion-border-color: transparent;
    --bs-accordion-btn-padding-x: 0;
    --bs-accordion-btn-padding-y: 0;
    --bs-accordion-body-padding-x: 0;
    --bs-accordion-body-padding-y: 0;
    --bs-accordion-active-bg: transparent;
    --bs-accordion-active-color: inherit;
}

.sidebar-accordion .accordion-item {
    background: transparent;
    border: none;
}

.sidebar-acc-btn {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 10px 12px !important;
    border-radius: 8px !important;
    color: var(--sidebar-text) !important;
    font-size: 0.88rem;
    font-weight: 500;
    background: transparent !important;
    box-shadow: none !important;
    white-space: nowrap;
    transition: all 0.2s;
}

.sidebar-acc-btn:hover {
    background: var(--sidebar-hover) !important;
    color: #fff !important;
}

.sidebar-acc-btn:not(.collapsed) {
    background: var(--sidebar-active) !important;
    color: #fff !important;
}

.sidebar-acc-btn::after {
    filter: invert(0.7);
    flex-shrink: 0;
    margin-left: auto;
    width: 14px;
    height: 14px;
    background-size: 14px;
}

.sidebar-acc-btn i {
    font-size: 1.1rem;
    width: 24px;
    text-align: center;
    flex-shrink: 0;
}

.sidebar-acc-body {
    padding: 4px 0 4px 48px !important;
}

.sidebar-sublink {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 7px 12px;
    font-size: 0.82rem;
    color: var(--sidebar-text);
    border-radius: 6px;
    transition: all 0.2s;
    text-decoration: none;
    white-space: nowrap;
}

.sidebar-sublink i {
    font-size: 0.85rem;
    width: 18px;
    text-align: center;
    flex-shrink: 0;
}

.sidebar-sublink:hover {
    color: #fff;
    background: rgba(255, 255, 255, 0.05);
}

.sidebar-sublink.active {
    color: var(--primary);
    font-weight: 600;
}

/* Spacer */
.sidebar-spacer {
    flex: 1;
}

/* Logout */
.sidebar-link-logout {
    margin-top: auto;
    margin-bottom: 20px;
    color: #ef4444;
}

.sidebar-link-logout:hover {
    background: rgba(239, 68, 68, 0.15);
    color: #ef4444;
}

/* ============================================
   SIDEBAR COLLAPSED
   ============================================ */
.sidebar-collapsed .sidebar {
    width: var(--sidebar-collapsed-width);
}

.sidebar-collapsed .sidebar-logo-full,
.sidebar-collapsed .sidebar-user-info,
.sidebar-collapsed .sidebar-link span,
.sidebar-collapsed .sidebar-section-label,
.sidebar-collapsed .sidebar-accordion {
    display: none;
}

.sidebar-collapsed .sidebar-profile {
    justify-content: center;
    padding: 15px 10px;
}

.sidebar-collapsed .sidebar-link {
    justify-content: center;
    padding: 10px;
}

.sidebar-collapsed .sidebar-link i:first-child {
    font-size: 1.3rem;
}

.sidebar-collapsed .main-content {
    margin-left: var(--sidebar-collapsed-width);
}

/* Overlay oculto no desktop */
.sidebar-overlay {
    display: none;
}

/* ============================================
   MAIN CONTENT
   ============================================ */
.main-content {
    margin-left: var(--sidebar-width);
    flex: 1;
    display: flex;
    flex-direction: column;
    min-height: 100vh;
    transition: margin-left var(--transition-speed) ease;
}

/* ============================================
   TOP HEADER
   ============================================ */
.top-header {
    height: var(--header-height);
    background: var(--card-bg);
    border-bottom: 1px solid var(--border-color);
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0 24px;
    position: sticky;
    top: 0;
    z-index: 100;
}

.header-left {
    display: flex;
    align-items: center;
    gap: 16px;
}

.sidebar-toggle-btn {
    background: none;
    border: none;
    font-size: 1.4rem;
    color: var(--text-primary);
    cursor: pointer;
    padding: 6px;
    border-radius: 8px;
    transition: background 0.2s;
}

.sidebar-toggle-btn:hover {
    background: var(--primary-light);
    color: var(--primary);
}

.page-title {
    font-size: 1.2rem;
    font-weight: 700;
    color: var(--text-primary);
    margin: 0;
}

.header-right {
    display: flex;
    align-items: center;
    gap: 12px;
}

.header-user-name {
    font-size: 0.85rem;
    font-weight: 500;
    color: var(--text-secondary);
}

.header-avatar {
    width: 36px;
    height: 36px;
    border-radius: 50%;
    border: 2px solid var(--primary);
    object-fit: cover;
}

/* ============================================
   PAGE CONTENT
   ============================================ */
.page-content {
    flex: 1;
    padding: 24px;
}

/* ============================================
   STAT CARDS (Dashboard)
   ============================================ */
.stat-card {
    background: var(--card-bg);
    border-radius: 14px;
    padding: 20px;
    display: flex;
    align-items: center;
    gap: 16px;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.04);
    border-left: 4px solid transparent;
    transition: transform 0.2s, box-shadow 0.2s;
}

.stat-card:hover {
    transform: translateY(-2px);
    box-shadow: 0 4px 16px rgba(0, 0, 0, 0.08);
}

.stat-card-primary { border-left-color: var(--primary); }
.stat-card-secondary    { border-left-color: #3498db; }
.stat-card-warning { border-left-color: #e67e22; }
.stat-card-success { border-left-color: #27ae60; }

.stat-card-icon {
    width: 50px;
    height: 50px;
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.4rem;
    flex-shrink: 0;
}

.stat-card-primary .stat-card-icon { background: var(--primary-light); color: var(--primary); }
.stat-card-secondary .stat-card-icon    { background: #e8f4fd; color: #3498db; }
.stat-card-warning .stat-card-icon { background: #fef3e2; color: #e67e22; }
.stat-card-success .stat-card-icon { background: #e6f9ee; color: #27ae60; }

.stat-card-info {
    display: flex;
    flex-direction: column;
}

.stat-card-number {
    font-size: 1.6rem;
    font-weight: 700;
    color: var(--text-primary);
    line-height: 1;
}

.stat-card-label {
    font-size: 0.8rem;
    color: var(--text-secondary);
    margin-top: 2px;
}

/* ============================================
   SECTIONS
   ============================================ */
.content-section {
    margin-bottom: 32px;
}

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

.section-title {
    font-size: 1.15rem;
    font-weight: 700;
    color: var(--text-primary);
    margin: 0;
}

.section-link {
    font-size: 0.85rem;
    font-weight: 600;
    color: var(--primary);
}

.section-link:hover {
    color: var(--primary-dark);
}

/* ============================================
   COURSE CARDS
   ============================================ */
.course-card-link {
    text-decoration: none;
    color: inherit;
    display: block;
}

.course-card-link:hover {
    color: inherit;
}

.course-card {
    background: var(--card-bg);
    border-radius: 14px;
    overflow: hidden;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.04);
    transition: transform 0.2s, box-shadow 0.2s;
    height: 100%;
}

.course-card:hover {
    transform: translateY(-3px);
    box-shadow: 0 8px 24px rgba(0, 0, 0, 0.1);
}

/* Course card thumbnail with image */
.course-card-thumb {
    position: relative;
    overflow: hidden;
    min-height: 160px;
    background: linear-gradient(135deg, #f3e8ff, #ede9fe);
    display: flex;
    align-items: center;
    justify-content: center;
}

.course-card-thumb img {
    width: 100%;
    height: 300px;
    object-fit: cover;
}

.course-card-thumb .course-card-category {
    position: absolute;
    top: 12px;
    left: 12px;
}

.course-card-thumb .course-card-ch {
    position: absolute;
    top: 12px;
    right: 12px;
}

.course-card-category {
    background: rgba(37, 99, 235, 0.85);
    color: #fff;
    padding: 4px 10px;
    border-radius: 20px;
    font-size: 0.72rem;
    font-weight: 600;
    backdrop-filter: blur(4px);
}

.course-card-ch {
    background: rgba(0, 0, 0, 0.4);
    color: #fff;
    padding: 4px 10px;
    border-radius: 20px;
    font-size: 0.75rem;
    font-weight: 600;
    backdrop-filter: blur(4px);
}

/* Keep old header fallback */
.course-card-header {
    padding: 24px 20px;
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    min-height: 80px;
}

.course-card-body {
    padding: 16px 20px 20px;
}

.course-card-title {
    font-size: 1rem;
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: 8px;
    line-height: 1.3;
}

.course-card-meta {
    font-size: 0.78rem;
    color: var(--text-secondary);
    margin-bottom: 10px;
}

.course-card-meta div {
    margin-bottom: 2px;
}

.course-card-meta i {
    color: var(--primary);
    margin-right: 4px;
}

.course-card-dates {
    font-size: 0.78rem;
    color: var(--text-secondary);
    margin-bottom: 10px;
}

.course-card-dates i {
    color: var(--primary);
}

.course-card-status {
    margin-bottom: 12px;
}

.badge-status {
    display: inline-block;
    padding: 4px 12px;
    border-radius: 20px;
    font-size: 0.72rem;
    font-weight: 600;
    color: #fff;
}

.badge-status-lg {
    font-size: 0.85rem;
    padding: 6px 16px;
}

.course-card-progress {
    margin-top: 8px;
}

.progress-info {
    display: flex;
    justify-content: space-between;
    font-size: 0.78rem;
    color: var(--text-secondary);
    margin-bottom: 4px;
}

.progress {
    height: 6px;
    border-radius: 6px;
    background: #e5e7eb;
}

.progress-lg {
    height: 10px;
}

.progress-bar {
    background: linear-gradient(90deg, var(--primary), var(--accent));
    border-radius: 6px;
    transition: width 0.6s ease;
}

.course-card-grade {
    margin-top: 10px;
    font-size: 0.85rem;
    color: var(--text-secondary);
}

.course-card-grade strong {
    color: #27ae60;
    font-size: 1.1rem;
}

.course-card-desc {
    font-size: 0.82rem;
    color: var(--text-secondary);
    margin-bottom: 10px;
    line-height: 1.4;
}

.course-card-price {
    text-align: center;
}

.price-value {
    font-size: 1.3rem;
    font-weight: 700;
    color: var(--primary);
}

/* ============================================
   FILTER TABS
   ============================================ */
.filter-tabs {
    display: flex;
    gap: 8px;
    flex-wrap: wrap;
}

.filter-tab {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 8px 18px;
    border-radius: 50px;
    font-size: 0.85rem;
    font-weight: 500;
    color: var(--text-secondary);
    background: var(--card-bg);
    border: 1px solid var(--border-color);
    text-decoration: none;
    transition: all 0.2s;
}

.filter-tab:hover {
    border-color: var(--primary);
    color: var(--primary);
}

.filter-tab.active {
    background: var(--primary);
    color: #fff;
    border-color: var(--primary);
}

/* ============================================
   COURSE DETAIL
   ============================================ */
.curso-header-detail {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    margin-bottom: 16px;
    flex-wrap: wrap;
    gap: 12px;
}

.curso-detail-title {
    font-size: 1.5rem;
    font-weight: 700;
    margin-bottom: 4px;
}

.curso-detail-subtitle {
    font-size: 0.85rem;
    color: var(--text-secondary);
    margin: 0;
}

.curso-tabs {
    display: flex;
    gap: 0;
    border-bottom: 2px solid var(--border-color);
    margin-bottom: 0;
}

.curso-tab {
    padding: 10px 24px;
    font-size: 0.9rem;
    font-weight: 600;
    color: var(--text-secondary);
    text-decoration: none;
    border-bottom: 2px solid transparent;
    transition: all 0.2s;
    margin-bottom: -2px;
}

.curso-tab:hover {
    color: var(--primary);
}

.curso-tab.active {
    color: var(--primary);
    border-bottom-color: var(--primary);
}

.curso-progress-bar {
    max-width: 600px;
}

/* ============================================
   MODULE ACCORDION (Course Detail)
   ============================================ */
#accordionModulos {
    --bs-accordion-border-color: var(--border-color);
    --bs-accordion-border-radius: 12px;
}

.modulo-accordion-item {
    background: var(--card-bg);
    border-radius: 12px !important;
    margin-bottom: 16px;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.04);
    border: 1px solid var(--border-color) !important;
    overflow: hidden;
}

.modulo-accordion-exam {
    border-left: 4px solid var(--primary) !important;
}

.modulo-acc-btn {
    font-size: 1rem;
    font-weight: 700;
    color: var(--text-primary) !important;
    background: #fafafa !important;
    box-shadow: none !important;
    padding: 16px 20px !important;
    border-radius: 0 !important;
}

.modulo-acc-btn:not(.collapsed) {
    background: #f3f0ff !important;
    color: var(--primary) !important;
}

.modulo-acc-btn i {
    color: var(--primary);
}

.modulo-acc-btn::after {
    flex-shrink: 0;
}

.modulo-acc-body {
    padding: 4px 20px 16px !important;
}

.modulo-item {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 12px 0;
    border-bottom: 1px solid #f0f0f0;
    flex-wrap: wrap;
    gap: 8px;
}

.modulo-item:last-child {
    border-bottom: none;
}

.modulo-item-left {
    display: flex;
    align-items: center;
    gap: 10px;
    font-size: 0.9rem;
}

.modulo-item-left i {
    font-size: 1.15rem;
    width: 20px;
    text-align: center;
}

.modulo-item-right {
    flex-shrink: 0;
}

.item-badge {
    display: inline-flex;
    align-items: center;
    gap: 4px;
    padding: 4px 12px;
    border-radius: 20px;
    font-size: 0.78rem;
    font-weight: 500;
    border: 1px solid;
}

.item-badge-accessed {
    color: #27ae60;
    border-color: #27ae60;
    background: #e6f9ee;
}

.item-badge-accessed a {
    color: #27ae60;
    font-weight: 600;
}

.item-badge-task {
    color: #e74c3c;
    border-color: #e74c3c;
    background: #fdf0ef;
}

.item-badge-task a {
    color: #e74c3c;
    font-weight: 600;
}

.item-badge-pending {
    color: var(--text-secondary);
    border-color: var(--border-color);
    background: #f9fafb;
}

.modulo-item-dates {
    padding: 6px 20px 6px 50px;
    font-size: 0.78rem;
    color: var(--text-secondary);
    background: #fdf8f0;
    border-left: 3px solid #e67e22;
    margin: -1px 0 0;
}

/* ============================================
   ACTIVITY LIST (Dashboard)
   ============================================ */
.activity-list {
    background: var(--card-bg);
    border-radius: 12px;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.04);
}

.activity-item {
    display: flex;
    align-items: center;
    gap: 16px;
    padding: 16px 20px;
    border-bottom: 1px solid var(--border-color);
    flex-wrap: wrap;
}

.activity-item:last-child {
    border-bottom: none;
}

.activity-icon {
    width: 40px;
    height: 40px;
    border-radius: 10px;
    background: var(--primary-light);
    color: var(--primary);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.1rem;
    flex-shrink: 0;
}

.activity-info {
    flex: 1;
    min-width: 200px;
}

.activity-info strong {
    display: block;
    font-size: 0.9rem;
}

.activity-info span {
    font-size: 0.78rem;
}

.activity-date {
    font-size: 0.8rem;
    color: #e67e22;
    font-weight: 500;
    white-space: nowrap;
}

/* ============================================
   CERTIFICATE CARD
   ============================================ */
.certificate-card {
    background: var(--card-bg);
    border-radius: 14px;
    padding: 28px 24px;
    text-align: center;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.04);
    border: 1px solid var(--border-color);
    transition: transform 0.2s;
}

.certificate-card:hover {
    transform: translateY(-3px);
    box-shadow: 0 8px 24px rgba(0, 0, 0, 0.1);
}

.certificate-icon {
    font-size: 2.5rem;
    color: #f59e0b;
    margin-bottom: 12px;
}

.certificate-title {
    font-size: 1.05rem;
    font-weight: 700;
    margin-bottom: 12px;
}

.certificate-details {
    font-size: 0.85rem;
    color: var(--text-secondary);
    text-align: left;
    margin-bottom: 8px;
}

.certificate-details div {
    margin-bottom: 4px;
}

/* ============================================
   PAYMENT CARD
   ============================================ */
.payment-card {
    background: var(--card-bg);
    border-radius: 14px;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.04);
    border: 1px solid var(--border-color);
    overflow: hidden;
}

.payment-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 20px;
    border-bottom: 1px solid var(--border-color);
    flex-wrap: wrap;
    gap: 10px;
}

.payment-title {
    font-size: 1.05rem;
    font-weight: 700;
    margin: 0;
}

.payment-subtitle {
    font-size: 0.82rem;
    color: var(--text-secondary);
    margin: 4px 0 0;
}

/* ============================================
   TUTORIAL CARDS
   ============================================ */
.tutorial-card {
    background: var(--card-bg);
    border-radius: 14px;
    padding: 28px 24px;
    text-align: center;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.04);
    border: 1px solid var(--border-color);
    transition: transform 0.2s;
    height: 100%;
}

.tutorial-card:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(0, 0, 0, 0.08);
}

.tutorial-icon {
    font-size: 2.2rem;
    color: var(--primary);
    margin-bottom: 14px;
}

.tutorial-card h4 {
    font-size: 1rem;
    font-weight: 700;
    margin-bottom: 8px;
}

.tutorial-card p {
    font-size: 0.85rem;
    color: var(--text-secondary);
    line-height: 1.5;
    margin: 0;
}

/* ============================================
   PROFILE / DADOS CADASTRAIS
   ============================================ */
.profile-card {
    background: var(--card-bg);
    border-radius: 14px;
    padding: 32px 24px;
    text-align: center;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.04);
    border: 1px solid var(--border-color);
}

.profile-avatar-wrapper {
    position: relative;
    display: inline-block;
    margin-bottom: 16px;
}

.profile-avatar-lg {
    width: 120px;
    height: 120px;
    border-radius: 50%;
    border: 3px solid var(--primary);
    object-fit: cover;
}

.profile-change-photo {
    display: block;
    font-size: 0.8rem;
    color: var(--primary);
    margin-top: 8px;
    font-weight: 500;
}

.profile-name {
    font-size: 1.15rem;
    font-weight: 700;
    margin-bottom: 4px;
}

.profile-email {
    font-size: 0.85rem;
    color: var(--text-secondary);
    margin-bottom: 4px;
}

.profile-ra {
    font-size: 0.82rem;
    color: var(--text-secondary);
}

.form-card {
    background: var(--card-bg);
    border-radius: 14px;
    padding: 28px;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.04);
    border: 1px solid var(--border-color);
}

.form-card-title {
    font-size: 1.05rem;
    font-weight: 700;
    margin-bottom: 20px;
    color: var(--text-primary);
}

.form-card .form-control:focus {
    border-color: var(--primary);
    box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.1);
}

.form-card .form-label {
    font-size: 0.85rem;
    font-weight: 500;
    color: var(--text-secondary);
}

/* ============================================
   EMPTY STATES
   ============================================ */
.empty-state {
    text-align: center;
    padding: 60px 20px;
    color: var(--text-secondary);
}

.empty-state i {
    font-size: 3rem;
    color: #d1d5db;
    margin-bottom: 16px;
    display: block;
}

.empty-state h3 {
    font-size: 1.15rem;
    font-weight: 600;
    margin-bottom: 8px;
    color: var(--text-primary);
}

.empty-state p {
    font-size: 0.9rem;
}

.empty-state-sm {
    text-align: center;
    padding: 40px 20px;
    color: var(--text-secondary);
}

.empty-state-sm i {
    font-size: 2rem;
    color: #d1d5db;
    margin-bottom: 10px;
    display: block;
}

/* ============================================
   BUTTONS
   ============================================ */
.btn-purple {
    background: var(--primary);
    color: #fff;
    border: none;
    border-radius: 8px;
    font-weight: 600;
    padding: 8px 20px;
    transition: all 0.2s;
}

.btn-purple:hover {
    background: var(--primary-dark);
    color: #fff;
    transform: translateY(-1px);
}

.btn-outline-purple {
    color: var(--primary);
    border: 1px solid var(--primary);
    border-radius: 8px;
    font-weight: 500;
    padding: 4px 14px;
    transition: all 0.2s;
    background: transparent;
}

.btn-outline-purple:hover {
    background: var(--primary);
    color: #fff;
}

/* ============================================
   TABLES
   ============================================ */
.table {
    font-size: 0.88rem;
}

.table thead.table-dark th {
    background: var(--sidebar-bg);
    border: none;
    font-weight: 600;
    font-size: 0.82rem;
    letter-spacing: 0.3px;
}

/* ============================================
   MOBILE TABLE CARDS (Responsive Tables)
   ============================================ */
.mobile-table-card {
    background: var(--card-bg);
    border-radius: 12px;
    border: 1px solid var(--border-color);
    overflow: hidden;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.04);
}

.mobile-table-card-header {
    padding: 16px;
    background: #fafafa;
    border-bottom: 1px solid var(--border-color);
}

.mobile-table-card-header h6 {
    font-weight: 600;
    color: var(--text-primary);
    margin: 0;
}

.mobile-table-card-body {
    padding: 12px 16px;
}

.mobile-table-card-footer {
    padding: 12px 16px;
    border-top: 1px solid var(--border-color);
    background: #fafafa;
}

.mobile-table-row {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 8px 0;
    border-bottom: 1px solid #f0f0f0;
}

.mobile-table-row:last-child {
    border-bottom: none;
}

.mobile-table-label {
    font-size: 0.8rem;
    color: var(--text-secondary);
    font-weight: 500;
}

.mobile-table-value {
    font-size: 0.85rem;
    color: var(--text-primary);
    text-align: right;
}

/* Mobile Parcela Card (Pagamentos) */
.mobile-parcela-card {
    background: #f9fafb;
    border-radius: 10px;
    border: 1px solid var(--border-color);
    overflow: hidden;
}

.mobile-parcela-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 12px 16px;
    background: var(--card-bg);
    border-bottom: 1px solid var(--border-color);
}

.mobile-parcela-numero {
    font-weight: 600;
    font-size: 0.9rem;
    color: var(--text-primary);
}

.mobile-parcela-body {
    padding: 8px 16px;
    background: var(--card-bg);
}

.mobile-parcela-footer {
    padding: 12px 16px;
    background: var(--card-bg);
    border-top: 1px solid var(--border-color);
}

/* Ver mais / Ver menos toggle button */
.ver-mais-text,
.ver-menos-text {
    display: inline-flex;
    align-items: center;
    gap: 4px;
}

button.collapsed .ver-mais-text {
    display: inline-flex;
}

button.collapsed .ver-menos-text {
    display: none;
}

button:not(.collapsed) .ver-mais-text {
    display: none;
}

button:not(.collapsed) .ver-menos-text {
    display: inline-flex;
}

/* ============================================
   PAGAMENTOS ACCORDION
   ============================================ */
#accordionPagamentos,
#accordionContratos {
    --bs-accordion-border-color: var(--border-color);
    --bs-accordion-border-radius: 12px;
}

.pagamento-accordion-item,
.contrato-accordion-item {
    background: var(--card-bg);
    border-radius: 12px !important;
    margin-bottom: 12px;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.04);
    border: 1px solid var(--border-color) !important;
    overflow: hidden;
}

.pagamento-acc-btn,
.contrato-acc-btn {
    padding: 16px 20px !important;
    background: var(--card-bg) !important;
    box-shadow: none !important;
    border-radius: 0 !important;
}

.pagamento-acc-btn:not(.collapsed),
.contrato-acc-btn:not(.collapsed) {
    background: #fafafa !important;
}

.pagamento-acc-btn::after,
.contrato-acc-btn::after {
    flex-shrink: 0;
    margin-left: auto;
}

.pagamento-acc-header,
.contrato-acc-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    width: 100%;
    gap: 12px;
    flex-wrap: wrap;
}

.pagamento-acc-info,
.contrato-acc-info {
    display: flex;
    flex-direction: column;
    gap: 4px;
    min-width: 0;
    flex: 1;
}

.pagamento-acc-title,
.contrato-acc-title {
    font-size: 1rem;
    font-weight: 700;
    color: var(--text-primary);
}

.pagamento-acc-subtitle,
.contrato-acc-subtitle {
    font-size: 0.82rem;
    color: var(--text-secondary);
}

.pagamento-accordion-item .accordion-body,
.contrato-accordion-item .accordion-body {
    border-top: 1px solid var(--border-color);
}

/* Contrato Sections */
.contrato-cursos-section,
.contrato-parcelas-section {
    border-bottom: 1px solid var(--border-color);
}

.contrato-section-title {
    font-size: 0.85rem;
    font-weight: 600;
    color: var(--text-secondary);
    padding: 12px 20px;
    background: #fafafa;
    border-bottom: 1px solid var(--border-color);
}

.contrato-section-title i {
    color: var(--primary);
    margin-right: 6px;
}

.contrato-cursos-list {
    padding: 12px 20px;
}

.contrato-curso-item {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 8px 0;
    border-bottom: 1px dashed var(--border-color);
    flex-wrap: wrap;
    gap: 8px;
}

.contrato-curso-item:last-child {
    border-bottom: none;
}

.contrato-curso-item .curso-nome {
    font-weight: 500;
    color: var(--text-primary);
}

.contrato-curso-item .curso-info {
    font-size: 0.82rem;
    color: var(--text-secondary);
}

.contrato-valores {
    padding: 12px 20px;
    background: #f9fafb;
    border-top: 1px solid var(--border-color);
}

.contrato-valor-linha {
    display: flex;
    justify-content: space-between;
    padding: 4px 0;
    font-size: 0.85rem;
}

.contrato-footer {
    padding: 12px 20px;
    background: #fafafa;
}

/* Pagination styling */
.pagination .page-link {
    color: var(--primary);
    border-color: var(--border-color);
    padding: 8px 14px;
    font-size: 0.85rem;
}

.pagination .page-link:hover {
    background: var(--primary-light);
    border-color: var(--primary);
    color: var(--primary);
}

.pagination .page-item.active .page-link {
    background: var(--primary);
    border-color: var(--primary);
    color: #fff;
}

.pagination .page-item.disabled .page-link {
    color: var(--text-secondary);
    background: #f9fafb;
}

/* ============================================
   THEME SELECTOR
   ============================================ */
.theme-selector {
    padding: 10px 12px;
    margin-bottom: 10px;
}

.theme-colors {
    display: flex;
    gap: 8px;
    padding: 0 12px;
}

.theme-color {
    width: 28px;
    height: 28px;
    border-radius: 50%;
    border: 2px solid transparent;
    cursor: pointer;
    transition: all 0.2s;
    position: relative;
}

.theme-color:hover {
    transform: scale(1.1);
}

.theme-color.active {
    border-color: #fff;
    box-shadow: 0 0 0 2px rgba(255, 255, 255, 0.3);
}

.theme-color.active::after {
    content: '\2713';
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    color: #fff;
    font-size: 12px;
    font-weight: bold;
    text-shadow: 0 1px 2px rgba(0,0,0,0.3);
}

.theme-blue {
    background: linear-gradient(135deg, #2563eb, #3b82f6);
}

.theme-purple {
    background: linear-gradient(135deg, #7c3aed, #a855f7);
}

.theme-green {
    background: linear-gradient(135deg, #059669, #10b981);
}

.theme-dark {
    background: linear-gradient(135deg, #374151, #6b7280);
}

/* Sidebar collapsed - hide theme labels */
.sidebar-collapsed .theme-selector .sidebar-section-label, .sidebar-collapsed.sidebar-section-label.theme-selector.theme-color.active {
    display: none;
    position: relative;
}

.sidebar-collapsed .theme-colors {
    flex-direction: column;
    align-items: center;
    padding: 0;
}

.sidebar-collapsed .theme-color {
    width: 24px;
    height: 24px;
}

/* ============================================
   RESPONSIVE
   ============================================ */
@media (max-width: 768px) {
    /* Mobile: sidebar fechada por padrão */
    .sidebar {
        width: var(--sidebar-collapsed-width);
    }
    .course-card-thumb img{
        height: 160px;
    }

    .sidebar-logo-full,
    .sidebar-user-info,
    .sidebar-link span,
    .sidebar-section-label,
    .sidebar-accordion {
        display: none;
    }

    .sidebar-profile {
        justify-content: center;
        padding: 15px 10px;
    }

    .sidebar-link {
        justify-content: center;
    }

    .main-content {
        margin-left: var(--sidebar-collapsed-width);
    }

    /* Mobile: quando clicado, EXPANDE a sidebar (comportamento invertido) */
    .sidebar-collapsed .sidebar {
        width: var(--sidebar-width);
    }

    .sidebar-collapsed .sidebar-logo-full,
    .sidebar-collapsed .sidebar-user-info,
    .sidebar-collapsed .sidebar-link span,
    .sidebar-collapsed .sidebar-section-label {
        display: block;
    }
    
    .sidebar-collapsed .sidebar-link span {
        display: inline;
    }

    .sidebar-collapsed .sidebar-profile {
        justify-content: flex-start;
        padding: 15px 20px;
    }

    .sidebar-collapsed .sidebar-link {
        justify-content: flex-start;
        padding: 10px 12px;
    }

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

    /* No mobile, sidebar expandida cobre o conteúdo (não empurra) */
    .sidebar-collapsed .main-content {
        margin-left: var(--sidebar-collapsed-width);
    }
    
    /* Overlay escuro quando sidebar expandida no mobile */
    .sidebar-overlay {
        display: none;
        position: fixed;
        top: 0;
        left: 0;
        right: 0;
        bottom: 0;
        background: rgba(0, 0, 0, 0.5);
        z-index: 999;
    }
    
    .sidebar-collapsed .sidebar-overlay {
        display: block;
    }
    
    .sidebar-collapsed .theme-selector .sidebar-section-label {
        display: block;
    }
    
    .sidebar-collapsed .theme-colors {
        flex-direction: row;
        align-items: flex-start;
        padding: 0 12px;
    }
    
    .sidebar-collapsed .theme-color {
        width: 28px;
        height: 28px;
    }

    .login-container {
        flex-direction: column;
    }

    .login-image-side {
        display: none;
    }

    .login-form-side {
        padding: 40px 24px;
    }

    .curso-header-detail {
        flex-direction: column;
    }

    .activity-item {
        flex-direction: column;
        align-items: flex-start;
    }
    
    /* Esconder seletor de tema e labels quando colapsado no mobile */
    .theme-selector .sidebar-section-label {
        display: none;
    }
    
    .theme-colors {
        flex-direction: column;
        align-items: center;
        padding: 0;
    }
    
    .theme-color {
        width: 24px;
        height: 24px;
    }
}

@media (max-width: 576px) {
    .page-content {
        padding: 16px;
    }

    .stat-card {
        padding: 16px;
    }

    .filter-tabs {
        flex-direction: column;
    }

    .filter-tab {
        width: 100%;
        justify-content: center;
    }
}