/* Variáveis */
:root {
    --bg-color: #121212;
    --card-bg: #1e1e1e;
    --primary-color: #FDCF6D;
    --text-color: #ffffff;
    --text-muted: #b3b3b3;
    --border-radius: 12px;
    --base-font-size: 16px;
}

body.light-theme {
    --bg-color: #f5f5f5;
    --card-bg: #ffffff;
    --text-color: #121212;
    --text-muted: #737373;
}

/* Geral */
html {
    font-size: var(--base-font-size);
}

body {
    background-color: var(--bg-color);
    color: var(--text-color);
    font-family: 'Inter', sans-serif;
    margin: 0;
    font-size: 1rem;
    /* Padding será ajustado no JS após login ou via classe */
    transition: padding 0.3s;
}

/* TELA DE LOGIN */
#login-screen {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: #000;
    z-index: 9999;
    display: flex;
    align-items: center;
    justify-content: center;
}

.login-container {
    width: 90%;
    max-width: 400px;
    padding: 40px;
    text-align: center;
}

.login-logo {
    font-size: 2.5rem;
    font-weight: 800;
    color: var(--primary-color);
    margin-bottom: 40px;
    letter-spacing: 2px;
    display: block;
}

.login-input {
    background: #333 !important;
    border: none !important;
    border-radius: 4px !important;
    color: white !important;
    padding: 0 15px !important;
    box-sizing: border-box !important;
    height: 50px !important;
    margin-bottom: 20px !important;
}

.login-input:focus {
    background: #444 !important;
    box-shadow: none !important;
}

.login-btn {
    width: 100%;
    height: 50px;
    background: var(--primary-color);
    color: #000;
    border: none;
    border-radius: 4px;
    font-weight: 700;
    font-size: 1rem;
    cursor: pointer;
    text-transform: uppercase;
    letter-spacing: 1px;
    margin-top: 10px;
    transition: background 0.3s;
}

.login-btn:hover {
    background: #e6bc63;
}

.login-help {
    display: flex;
    justify-content: space-between;
    margin-top: 15px;
    font-size: 0.85rem;
    color: #737373;
}

.login-help a {
    color: #b3b3b3;
    text-decoration: none;
}

.login-help a:hover {
    text-decoration: underline;
}

/* CONTEÚDO DA APLICAÇÃO (inicialmente oculto) */
#app-content {
    display: none;
    /* Controlado via JS */
    opacity: 0;
    transition: opacity 0.8s ease;
}

/* Quando app ativo, aplicamos padding no body se for mobile */
body.app-active {
    padding-bottom: 90px;
    /* Ajustado para acomodar o menu fixo + safe area */
}

@media (min-width: 993px) {
    body.app-active {
        padding-bottom: 0;
    }
}

::-webkit-scrollbar {
    width: 8px;
}

::-webkit-scrollbar-track {
    background: #121212;
}

::-webkit-scrollbar-thumb {
    background: #333;
    border-radius: 4px;
}

/* Nav */
nav {
    background-color: transparent !important;
    box-shadow: none !important;
    height: 64px;
    line-height: 64px;
}

nav .nav-wrapper {
    background-color: #000;
    padding: 0 20px;
}

body.light-theme nav .nav-wrapper {
    background-color: #ffffff;
    border-bottom: 1px solid #ddd;
}

body.light-theme .brand-logo {
    color: var(--primary-color) !important;
}

body.light-theme nav ul a {
    color: #333;
}

body.light-theme .dropdown-content {
    background-color: #ffffff !important;
}

body.light-theme .dropdown-content li>a {
    color: #333 !important;
}

.brand-logo {
    color: var(--primary-color) !important;
    font-weight: 800;
    font-size: 1.5rem !important;
}

nav ul a {
    font-weight: 500;
    color: #e5e5e5;
    position: relative;
}

nav ul a:hover {
    color: var(--primary-color);
    background-color: transparent;
}

.container {
    width: 90%;
    max-width: 1200px;
    margin: 0 auto;
}

/* Quiz Styles Específicos */
.progress-bar-container {
    width: 100%;
    height: 8px;
    background: rgba(255, 255, 255, 0.1);
    border-radius: 4px;
    margin: 20px 0;
    overflow: hidden;
}

.progress-bar-fill {
    height: 100%;
    background: var(--primary-color);
    width: 0%;
    transition: width 0.3s ease;
}

.quiz-option {
    background: var(--card-bg);
    border: 1px solid rgba(255, 255, 255, 0.05);
    border-radius: var(--border-radius);
    padding: 16px;
    margin-bottom: 12px;
    cursor: pointer;
    transition: all 0.3s ease;
    position: relative;
}

.quiz-option:hover {
    background: #2a2a2a;
    transform: translateX(5px);
}

.quiz-option.correct {
    background: rgba(76, 175, 80, 0.15) !important;
    border: 1px solid #4CAF50 !important;
}

.quiz-option.wrong {
    background: rgba(244, 67, 54, 0.15) !important;
    border: 1px solid #F44336 !important;
}

.quiz-justification {
    margin-top: 10px;
    padding-top: 10px;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    font-size: 0.85rem;
    color: #ddd;
    font-style: italic;
    display: block;
    animation: fadeIn 0.5s;
}

.expand-btn-inner {
    position: absolute;
    top: 16px;
    right: 16px;
    background: none;
    border: none;
    color: var(--text-muted);
    cursor: pointer;
    padding: 0;
    display: none;
}

.expand-btn-inner:hover {
    color: var(--primary-color);
}

/* NOTIFICAÇÕES (POP-UP EXPANDIDO) */
.notification-list-item {
    background: var(--card-bg);
    border-left: 4px solid var(--primary-color);
    padding: 20px;
    margin-bottom: 15px;
    border-radius: 4px;
    cursor: pointer;
    transition: all 0.3s;
    display: flex;
    justify-content: space-between;
    align-items: center;
    position: relative;
}

.notification-list-item:hover {
    background: #252525;
    transform: scale(1.02);
}

/* Estilo para lidas */
.notification-list-item.read {
    opacity: 0.6;
    border-left-color: #555;
    background: #181818;
}

.notification-list-item.read:hover {
    opacity: 0.8;
    background: #202020;
}

.notification-list-item .meta {
    font-size: 0.8rem;
    color: var(--text-muted);
}

.unread-dot-quiz {
    width: 10px;
    height: 10px;
    background: var(--primary-color);
    border-radius: 50%;
    position: absolute;
    top: 15px;
    right: 15px;
    display: none;
    /* Controlled via JS */
}

/* Indicador de não lida (ponto azul/vermelho) dentro do item */
.unread-dot {
    width: 8px;
    height: 8px;
    background: var(--primary-color);
    border-radius: 50%;
    margin-right: 10px;
    display: inline-block;
    vertical-align: middle;
}

/* Modal de Notificação */
#notifModal {
    background: #1e1e1e;
    color: white;
    border-radius: 16px;
    max-height: 80%;
}

#notifModal .modal-content {
    padding: 30px;
}

#notifModal h4 {
    color: var(--primary-color);
    font-weight: 700;
    margin-top: 0;
}

#notifModal p {
    line-height: 1.6;
    font-size: 1.1rem;
    color: #ddd;
}

#notifModal .modal-footer {
    background: #121212;
    padding: 10px 20px;
}

/* Dashboard & Carrossel Styles */
#homeTab .carousel {
    height: 350px;
    margin-top: 20px;
}

#homeTab .carousel .carousel-item {
    width: 400px !important;
    height: 250px !important;
}

#homeTab .carousel .carousel-item img {
    width: 100%;
    height: 100%;
    border-radius: 12px;
    object-fit: cover;
}

.play-btn {
    position: absolute;
    left: 50%;
    top: 50%;
    transform: translate(-50%, -50%);
    background: rgba(253, 207, 109, 0.9);
    border: none;
    width: 60px;
    height: 60px;
    border-radius: 50%;
    color: #121212;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    font-size: 24px;
    box-shadow: 0 0 20px rgba(253, 207, 109, 0.4);
}

/* VIEW SWITCHER & GRID */
.view-switcher {
    display: flex;
    justify-content: flex-end;
    align-items: center;
    gap: 10px;
    margin-bottom: 10px;
}

.view-btn {
    background: transparent;
    border: 1px solid rgba(255, 255, 255, 0.2);
    color: var(--text-muted);
    border-radius: 8px;
    padding: 5px 10px;
    cursor: pointer;
    transition: all 0.3s;
    display: flex;
    align-items: center;
    justify-content: center;
}

.view-btn:hover {
    background: rgba(255, 255, 255, 0.1);
    color: white;
}

.view-btn.active {
    background: var(--primary-color);
    border-color: var(--primary-color);
    color: #000;
}

.video-grid {
    display: none;
    /* Oculto por padrão */
    grid-template-columns: repeat(3, 1fr);
    gap: 20px;
}

.video-card {
    background: var(--card-bg);
    border-radius: 12px;
    overflow: hidden;
    position: relative;
    cursor: pointer;
    transition: transform 0.3s;
}

.video-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.5);
}

.video-card img {
    width: 100%;
    height: 180px;
    object-fit: cover;
    display: block;
}

.video-card .play-btn-small {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    background: rgba(0, 0, 0, 0.6);
    color: white;
    border-radius: 50%;
    width: 40px;
    height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
    backdrop-filter: blur(2px);
}

.video-card-content {
    padding: 15px;
}

.video-card h6 {
    margin: 0;
    font-size: 1rem;
    font-weight: 600;
    color: #fff;
}


.dashboard-cards {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 20px;
    margin: 30px 0;
}

.dashboard-card {
    background: var(--card-bg);
    padding: 24px;
    border-radius: 12px;
    text-align: center;
    border: 1px solid rgba(255, 255, 255, 0.05);
}

.dashboard-card p {
    font-size: 2rem;
    font-weight: 700;
    margin: 0;
}

.dashboard-card h6 {
    margin: 0 0 10px 0;
    color: var(--text-muted);
    font-size: 0.9rem;
    text-transform: uppercase;
}

/* Tabs & Mobile Nav */
.tab-content {
    display: none;
    animation: fadeIn 0.4s;
}

.tab-content.active {
    display: block;
}

@keyframes fadeIn {
    from {
        opacity: 0;
        transform: translateY(10px);
    }

    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.mobile-bottom-nav {
    position: fixed !important;
    bottom: 0 !important;
    left: 0;
    right: 0;
    background: rgba(18, 18, 18, 0.85);
    backdrop-filter: blur(20px) saturate(180%);
    -webkit-backdrop-filter: blur(20px) saturate(180%);
    display: flex;
    justify-content: space-around;
    padding: 10px 0;
    padding-bottom: calc(10px + env(safe-area-inset-bottom));
    border-top: 1px solid rgba(255, 255, 255, 0.08);
    z-index: 9999 !important;
    height: 75px;
    box-sizing: border-box;
}

.mobile-bottom-nav a {
    color: var(--text-muted);
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    font-size: 0.65rem;
    font-weight: 500;
    position: relative;
    flex: 1;
    height: 100%;
    transition: all 0.2s ease;
}

.mobile-bottom-nav a.active-nav {
    color: var(--primary-color);
}

.mobile-bottom-nav a.active-nav i {
    color: var(--primary-color);
    transform: translateY(-2px);
}

.mobile-bottom-nav i {
    font-size: 24px;
    margin-bottom: 2px;
    transition: transform 0.2s ease;
}

/* Course Preview Modal (Premium) */
.course-preview-modal {
    background: #181818 !important;
    border-radius: 12px !important;
    width: 90% !important;
    max-width: 900px !important;
    top: 5% !important;
    max-height: 90% !important;
    overflow: hidden !important;
}

.preview-hero {
    position: relative;
    height: 350px;
}

.preview-hero img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.preview-overlay {
    position: absolute;
    bottom: 0;
    left: 0;
    width: 100%;
    height: 80%;
    background: linear-gradient(0deg, #181818 0%, rgba(24, 24, 24, 0.8) 40%, transparent 100%);
    padding: 0 40px 40px 40px;
    display: flex;
    flex-direction: column;
    justify-content: flex-end;
}

.preview-close {
    position: absolute;
    top: 20px;
    right: 20px;
    background: rgba(0, 0, 0, 0.5);
    color: white;
    padding: 8px;
    border-radius: 50%;
    cursor: pointer;
    backdrop-filter: blur(5px);
    z-index: 10;
}

.preview-lessons-list {
    margin: 0;
    padding: 0;
}

.preview-lesson-item {
    display: flex;
    align-items: center;
    padding: 15px;
    border-radius: 8px;
    cursor: pointer;
    transition: background 0.3s;
    border-bottom: 1px solid rgba(255, 255, 255, 0.05);
}

.preview-lesson-item:hover {
    background: rgba(255, 255, 255, 0.05);
}

.preview-lesson-item.active {
    background: rgba(253, 207, 109, 0.1);
}

.lesson-number {
    font-size: 1.5rem;
    font-weight: 700;
    color: #444;
    width: 40px;
}

.lesson-info {
    flex-grow: 1;
}

.lesson-info h6 {
    margin: 0;
    font-size: 0.95rem;
    font-weight: 600;
}

.lesson-info span {
    font-size: 0.8rem;
    color: #888;
}

.preview-activity-badge {
    display: flex;
    align-items: center;
    background: #2a2a2a;
    padding: 10px 15px;
    border-radius: 8px;
    margin-bottom: 10px;
}

.preview-activity-badge i {
    margin-right: 12px;
    color: var(--primary-color);
}

.preview-activity-badge div h6 {
    margin: 0;
    font-size: 0.85rem;
    font-weight: 700;
}

.preview-activity-badge div p {
    margin: 0;
    font-size: 0.75rem;
    color: #888;
}

/* Badge de Notificação Geral */
.notification-badge-nav {
    position: absolute;
    top: 5px;
    right: 25%;
    background: var(--primary-color);
    width: 10px;
    height: 10px;
    border-radius: 50%;
    border: 2px solid #181818;
    display: none;
    /* Inicialmente oculto se zero */
}

/* Para desktop também */
.desktop-badge {
    position: absolute;
    top: 15px;
    right: 8px;
    width: 8px;
    height: 8px;
    background: var(--primary-color);
    border-radius: 50%;
    display: none;
}


/* Carousel Item Enhancements */
.carousel {
    overflow: visible !important;
}

.carousel .carousel-item {
    display: flex !important;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    overflow: visible !important;
    z-index: 1;
}

.carousel .carousel-item.active {
    z-index: 100;
}

.carousel-item-content {
    display: flex;
    flex-direction: column;
    align-items: center;
    width: 100%;
}

.carousel-item-title {
    color: var(--text-color);
    font-weight: 700;
    font-size: 1.2rem;
    margin: 0 0 15px 0;
    text-align: center;
    text-shadow: 0 2px 4px rgba(0, 0, 0, 0.5);
    width: 100%;
}

.carousel-thumbnail-wrapper {
    position: relative;
    width: 100%;
    border-radius: 12px;
    overflow: hidden;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.5);
}

.carousel-thumbnail-wrapper img {
    display: block;
    width: 100%;
    height: auto;
}

.carousel-item-progress-container {
    width: 100%;
    height: 6px;
    background: rgba(255, 255, 255, 0.1);
    border-radius: 3px;
    margin-top: 15px;
    overflow: hidden;
}

.carousel-item-progress-bar {
    height: 100%;
    background: var(--primary-color);
    border-radius: 3px;
}

/* Responsividade */
@media (min-width: 993px) {
    .mobile-bottom-nav {
        display: none !important;
    }

    .sidenav-trigger {
        display: none;
    }

    #homeTab .carousel {
        height: 550px;
        perspective: 1000px;
    }

    #homeTab .carousel .carousel-item {
        width: 450px !important;
        height: 450px !important;
    }
}

@media (max-width: 992px) {
    .brand-logo {
        font-size: 1.5rem !important;
    }

    .hide-on-med-and-down {
        display: none !important;
    }

    /* Global bottom padding for the fixed nav */
    #app-content {
        padding-bottom: 75px;
    }

    #homeTab .carousel {
        height: 400px;
    }

    #homeTab .carousel .carousel-item {
        width: 85% !important;
        height: 350px !important;
    }

    .container {
        width: 95%;
    }

    /* HEADER REFINEMENT */
    nav .brand-logo.left {
        left: 0 !important;
        transform: none !important;
        display: flex;
        align-items: center;
        height: 100%;
    }

    .sidenav-trigger.right {
        float: right !important;
        margin: 0 !important;
        height: 56px;
        display: flex;
        align-items: center;
        justify-content: center;
    }

    .sidenav-trigger i {
        font-size: 2.2rem !important;
    }

    .dashboard-card {
        padding: 15px;
    }

    .dashboard-card p {
        font-size: 1.5rem;
    }

    .video-grid {
        grid-template-columns: 1fr !important;
    }

    .ad-cards-container {
        grid-template-columns: 1fr;
        gap: 20px;
    }

    .quiz-selection-grid {
        grid-template-columns: 1fr;
        gap: 15px;
    }
}

/* Grid vira Lista no mobile */

/* TRENDING STYLES */
.trending-item {
    display: flex;
    align-items: center;
    background: var(--card-bg);
    margin-bottom: 15px;
    border-radius: 8px;
    padding: 10px;
    transition: transform 0.2s;
    cursor: pointer;
}

.trending-item:hover {
    transform: translateX(5px);
    background: #252525;
}

.trending-item img {
    width: 120px;
    height: 68px;
    object-fit: cover;
    border-radius: 6px;
    margin-right: 15px;
}

.trending-info {
    flex: 1;
}

.trending-info h5 {
    font-size: 1rem;
    font-weight: 600;
    margin: 0 0 5px 0;
}

.trending-info .author {
    color: var(--text-muted);
    font-size: 0.85rem;
    margin: 0;
}

.trending-info .views {
    color: #777;
    font-size: 0.75rem;
    margin: 0;
}

.btn-clean {
    background: none;
    border: none;
    color: var(--text-muted);
    cursor: pointer;
}

.btn-clean:hover {
    color: white;
}

/* COURSES STYLES (Horizontal Card) */
.course-card-horizontal {
    display: flex;
    background: var(--card-bg);
    border-radius: 12px;
    overflow: hidden;
    margin-bottom: 20px;
    border: 1px solid rgba(255, 255, 255, 0.05);
}

.course-card-horizontal img {
    width: 160px;
    object-fit: cover;
}

.course-info {
    padding: 20px;
    flex: 1;
    display: flex;
    flex-direction: column;
    justify-content: center;
}

.course-info h5 {
    margin: 0 0 15px 0;
    font-size: 1.1rem;
    font-weight: 700;
}

.progress-wrapper {
    margin-bottom: 15px;
}

.progress-text {
    font-size: 0.8rem;
    color: var(--text-muted);
    display: block;
    margin-top: 5px;
    text-align: right;
}

.course-actions {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.last-access {
    font-size: 0.8rem;
    color: #666;
    align-items: center;
    gap: 4px;
}

@media (max-width: 600px) {
    .container {
        width: 100%;
        padding: 0 15px;
    }

    #homeTab .carousel {
        height: 200px;
    }

    #homeTab .carousel .carousel-item {
        width: 90% !important;
        height: 140px !important;
    }

    .preview-hero {
        height: 200px;
    }

    .preview-overlay {
        padding: 0 20px 20px 20px;
    }

    .preview-overlay h4 {
        font-size: 1.5rem !important;
    }

    .course-card-horizontal {
        flex-direction: column;
    }

    .course-card-horizontal img {
        width: 100%;
        height: 150px;
    }

    .trending-item img {
        width: 100px;
        height: 56px;
    }

    .ad-card-banner {
        height: 150px;
    }

    .quiz-card-icon i {
        font-size: 2.5rem;
    }

    .quiz-type-card {
        padding: 15px 12px;
    }

    h5 {
        font-size: 1.2rem;
    }

    h6 {
        font-size: 1rem;
    }

    /* Redundant styles removed - handled by main .mobile-bottom-nav class */
}

/* NAVBAR AVATAR & DROPDOWN */
/* NAVBAR AVATAR & DROPDOWN */
.nav-wrapper ul li {
    margin-left: 20px;
    /* Mais espaço entre itens */
}

.nav-avatar {
    width: 35px;
    height: 35px;
    border-radius: 50%;
    object-fit: cover;
    border: 2px solid var(--primary-color);
    vertical-align: middle;
}

.dropdown-content {
    border-radius: 8px !important;
    min-width: 200px !important;
    z-index: 9999 !important;
    /* Garantir que apareça no mobile */
    top: 56px !important;
    /* Ajuste para não cobrir a navbar no mobile */
}

.dropdown-content li>a,
.dropdown-content li>span {
    font-size: 14px;
    padding: 14px 16px;
}

.dropdown-content li>a>i {
    margin-right: 10px;
    height: inherit;
    line-height: inherit;
}

/* PROFILE STYLES */
.profile-header {
    display: flex;
    flex-direction: column;
    align-items: center;
    margin-bottom: 30px;
}

.profile-avatar-container {
    position: relative;
    width: 100px;
    height: 100px;
    margin-bottom: 15px;
}

.profile-avatar {
    width: 100%;
    height: 100%;
    border-radius: 50%;
    object-fit: cover;
    border: 3px solid var(--primary-color);
}

.profile-edit-btn {
    position: absolute;
    bottom: 0;
    right: 0;
    background: var(--primary-color);
    color: white;
    border-radius: 50%;
    width: 30px;
    height: 30px;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    border: 2px solid #121212;
}

/* AD CARDS STYLES */
.ad-section {
    margin-top: 40px;
    margin-bottom: 60px;
}

.ad-cards-container {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
    gap: 30px;
}

.ad-card {
    background: var(--card-bg);
    border-radius: 16px;
    overflow: hidden;
    border: 1px solid rgba(255, 255, 255, 0.05);
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    position: relative;
}

.ad-card:hover {
    transform: translateY(-8px);
    border-color: rgba(229, 9, 20, 0.3);
    box-shadow: 0 12px 24px rgba(0, 0, 0, 0.5);
}

.ad-card-banner {
    position: relative;
    height: 180px;
    overflow: hidden;
}

.ad-card-banner img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.5s;
}

.ad-card:hover .ad-card-banner img {
    transform: scale(1.05);
}

.ad-price {
    position: absolute;
    top: 15px;
    right: 15px;
    background: var(--primary-color);
    color: #000;
    padding: 6px 12px;
    border-radius: 8px;
    font-weight: 700;
    font-size: 0.9rem;
    box-shadow: 0 4px 8px rgba(0, 0, 0, 0.3);
}

.ad-card-content {
    padding: 20px;
}

.ad-card-content h6 {
    margin: 0 0 10px 0;
    font-size: 1.2rem;
    font-weight: 700;
}

.ad-card-expandable {
    max-height: 0;
    overflow: hidden;
    transition: all 0.4s ease-out;
    opacity: 0;
}

.ad-card.expanded .ad-card-expandable {
    max-height: 250px;
    /* Suficiente para o conteúdo */
    opacity: 1;
    margin-top: 10px;
    padding-bottom: 10px;
}

.ad-expand-btn {
    background: transparent;
    border: none;
    color: var(--text-muted);
    font-family: 'Inter', sans-serif;
    font-size: 0.85rem;
    font-weight: 600;
    display: flex;
    align-items: center;
    gap: 5px;
    cursor: pointer;
    margin-top: 15px;
    padding: 5px 0;
    transition: color 0.3s;
}

.ad-expand-btn:hover {
    color: var(--primary-color);
}

.ad-expand-btn i {
    transition: transform 0.3s;
}

.ad-card.expanded .ad-expand-btn i {
    transform: rotate(180deg);
}

.profile-form {
    background: var(--card-bg);
    padding: 30px;
    border-radius: 12px;
    border: 1px solid rgba(255, 255, 255, 0.05);
    max-width: 600px;
    margin: 0 auto;
}

.input-field input,
.input-field textarea {
    color: white;
}

.input-field label {
    color: #999;
}

.input-field input:focus+label,
.input-field textarea:focus+label {
    color: var(--primary-color) !important;
}

.input-field input:focus,
.input-field textarea:focus {
    border-bottom: 1px solid var(--primary-color) !important;
    box-shadow: 0 1px 0 0 var(--primary-color) !important;
}

/* QUIZ SELECTION STYLES */
.quiz-selection-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 25px;
    margin-top: 20px;
}

.quiz-type-card {
    background: var(--card-bg);
    border: 1px solid rgba(255, 255, 255, 0.05);
    border-radius: 16px;
    padding: 30px 20px;
    text-align: center;
    cursor: pointer;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    display: flex;
    flex-direction: column;
    align-items: center;
}

.quiz-type-card:hover {
    transform: translateY(-8px);
    border-color: var(--primary-color);
    box-shadow: 0 10px 20px rgba(0, 0, 0, 0.4);
}

.quiz-card-icon {
    margin-bottom: 20px;
}

.quiz-card-icon i {
    font-size: 4rem;
}

.quiz-card-content h6 {
    font-size: 1.3rem;
    font-weight: 700;
    margin: 0 0 10px 0;
    color: white;
}

.quiz-card-content p {
    font-size: 0.9rem;
    color: var(--text-muted);
    margin-bottom: 20px;
    min-height: 40px;
}

.quiz-card-badge {
    background: rgba(255, 255, 255, 0.1);
    color: white;
    padding: 4px 12px;
    border-radius: 20px;
    font-size: 0.8rem;
    font-weight: 600;
}

/* FOOTER STYLES */
.app-footer {
    background-color: #000;
    padding-top: 50px;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    margin-top: 80px;
    color: white;
}

.app-footer .footer-title {
    font-size: 1.1rem;
    font-weight: 700;
    margin-bottom: 20px;
    color: var(--primary-color);
    text-transform: uppercase;
    letter-spacing: 1px;
}

.app-footer ul li {
    margin-bottom: 10px;
}

.app-footer ul a {
    color: var(--text-muted);
    transition: color 0.3s;
    font-size: 0.95rem;
}

.app-footer ul a:hover {
    color: white;
}

.social-icons {
    display: flex;
    gap: 15px;
    margin-top: 20px;
}

.social-icons a {
    color: white;
    background: rgba(255, 255, 255, 0.1);
    width: 40px;
    height: 40px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all 0.3s;
}

.social-icons a:hover {
    background: var(--primary-color);
    transform: translateY(-3px);
}

.footer-copyright {
    margin-top: 40px;
    padding: 20px 0;
    border-top: 1px solid rgba(255, 255, 255, 0.05);
    background-color: #080808;
    color: var(--text-muted);
    font-size: 0.85rem;
}

/* SETTINGS PAGE STYLES */
.settings-section {
    background: var(--card-bg);
    padding: 24px;
    border-radius: 12px;
    margin-bottom: 20px;
    border: 1px solid rgba(255, 255, 255, 0.05);
}

body.light-theme .settings-section {
    border-color: #ddd;
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.05);
}

.settings-row {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 15px 0;
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

body.light-theme .settings-row {
    border-bottom-color: #eee;
}

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

.settings-info h6 {
    margin: 0;
    font-weight: 600;
}

.settings-info p {
    margin: 5px 0 0 0;
    font-size: 0.85rem;
    color: var(--text-muted);
}

.font-size-controls {
    display: flex;
    gap: 10px;
}

.font-btn {
    background: rgba(255, 255, 255, 0.1);
    border: 1px solid rgba(255, 255, 255, 0.1);
    color: var(--text-color);
    width: 40px;
    height: 40px;
    border-radius: 8px;
    cursor: pointer;
    transition: all 0.3s;
    font-weight: 700;
}

body.light-theme .font-btn {
    background: #eee;
    border-color: #ddd;
}

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

.theme-switch-container {
    display: flex;
    gap: 20px;
}

.theme-option {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 8px;
    cursor: pointer;
}

.theme-preview {
    width: 60px;
    height: 40px;
    border-radius: 8px;
    border: 2px solid transparent;
    transition: all 0.3s;
    display: flex;
    align-items: center;
    justify-content: center;
}

.theme-preview.dark {
    background: #121212;
    color: white;
}

.theme-preview.light {
    background: white;
    color: #121212;
    border: 1px solid #ddd;
}

.theme-option.active .theme-preview {
    border-color: var(--primary-color);
}

@media (max-width: 600px) {
    .settings-row {
        flex-direction: column;
        align-items: flex-start;
        gap: 15px;
    }

    .settings-info {
        margin-bottom: 5px;
    }

    .font-size-controls,
    .theme-switch-container {
        width: 100%;
        justify-content: flex-start;
    }

    .theme-switch-container {
        gap: 30px;
    }
}

/* BACK BUTTON */
.btn-back {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 32px;
    height: 32px;
    background: rgba(255, 255, 255, 0.1);
    color: var(--text-color);
    border-radius: 50%;
    margin-right: 12px;
    cursor: pointer;
    transition: all 0.3s;
    vertical-align: middle;
    border: none;
    flex-shrink: 0;
}

.btn-back:hover {
    background: var(--primary-color);
    color: white;
    transform: translateX(-3px);
}

.btn-back i {
    font-size: 20px !important;
}

body.light-theme .btn-back {
    background: #e0e0e0;
    color: #333;
}

.tab-header-inline {
    display: flex;
    align-items: center;
    margin-bottom: 20px;
}

/* QUIZ ENHANCEMENTS */
.quiz-option.force-correct {
    border-color: #4caf50;
    background: rgba(76, 175, 80, 0.1);
}

.quiz-option.force-correct::after {
    content: "✓ Corretíssima";
    position: absolute;
    right: 40px;
    font-size: 0.7rem;
    color: #4caf50;
    font-weight: 700;
}

.quiz-btn-prev {
    background: rgba(255, 255, 255, 0.1);
    color: var(--text-color);
    border-radius: 20px;
    padding: 0 20px;
    margin-right: 10px;
    color: #000;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all 0.3s cubic-bezier(0.175, 0.885, 0.32, 1.275);
    box-shadow: 0 10px 20px rgba(0, 0, 0, 0.3);
    position: relative;
    z-index: 2;
}

.record-btn i {
    font-size: 40px !important;
}

.record-btn:active {
    transform: scale(0.9);
}

.record-btn.recording-active {
    background: #f44336;
    color: #fff;
    animation: pulse-red 1.5s infinite;
}

@keyframes pulse-red {
    0% {
        transform: scale(1);
        box-shadow: 0 0 0 0 rgba(244, 67, 54, 0.7);
    }

    70% {
        transform: scale(1.1);
        box-shadow: 0 0 0 20px rgba(244, 67, 54, 0);
    }

    100% {
        transform: scale(1);
        box-shadow: 0 0 0 0 rgba(244, 67, 54, 0);
    }
}

.wave-container {
    display: flex;
    align-items: center;
    gap: 3px;
    height: 30px;
    margin-top: 20px;
    opacity: 0;
    transition: opacity 0.3s;
}

.wave-container.active {
    opacity: 1;
}

.wave-bar {
    width: 3px;
    height: 100%;
    background: var(--primary-color);
    border-radius: 3px;
}

.recording-active+.wave-container .wave-bar {
    animation: wave-animation 1s ease-in-out infinite;
}

@keyframes wave-animation {

    0%,
    100% {
        height: 10%;
    }

    50% {
        height: 100%;
    }
}

.wave-bar:nth-child(2) {
    animation-delay: 0.1s;
}

.wave-bar:nth-child(3) {
    animation-delay: 0.2s;
}

.wave-bar:nth-child(4) {
    animation-delay: 0.3s;
}

.wave-bar:nth-child(5) {
    animation-delay: 0.4s;
}

.timer-display {
    font-family: 'Courier New', Courier, monospace;
    font-size: 1.5rem;
    font-weight: bold;
    margin-top: 10px;
    color: var(--text-color);
}