/* Reset e configurações gerais */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
}

:root {
    --primary: #1a73e8;
    --primary-dark: #0d47a1;
    --secondary: #34a853;
    --accent: #fbbc05;
    --danger: #ea4335;
    --light: #f8f9fa;
    --dark: #202124;
    --gray: #5f6368;
    --light-gray: #dadce0;
    --border-radius: 8px;
    --shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
    --transition: all 0.3s ease;
}

body {
    background-color: #f5f7fa;
    color: var(--dark);
    line-height: 1.6;
}

#senraApp {
    min-height: 100vh;
}

.container {
    width: 100%;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 15px;
}

/* Header e Navegação */
.senra-header {
    background-color: white;
    box-shadow: var(--shadow);
    position: sticky;
    top: 0;
    z-index: 100;
}

.senra-navbar {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 15px 0;
}

.senra-logo {
    display: flex;
    align-items: center;
    gap: 10px;
}

.senra-logo img {
    height: 40px;
}

.senra-logo h1 {
    font-size: 1.5rem;
    color: var(--primary);
}

.senra-nav-links {
    display: flex;
    gap: 20px;
}

.senra-nav-links a {
    text-decoration: none;
    color: var(--gray);
    font-weight: 500;
    transition: var(--transition);
    padding: 8px 16px;
    border-radius: var(--border-radius);
}

.senra-nav-links a:hover, 
.senra-nav-links a.active {
    color: var(--primary);
    background-color: var(--light);
}

.senra-user-menu {
    display: flex;
    align-items: center;
    gap: 15px;
}

.senra-user-avatar {
    width: 40px;
    height: 40px;
    border-radius: 50%;
    overflow: hidden;
    background-color: var(--light-gray);
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: bold;
    color: var(--primary);
    border: 2px solid var(--primary);
}

/* Páginas de autenticação */
.senra-auth-container {
    display: flex;
    justify-content: center;
    align-items: center;
    min-height: 100vh;
    padding: 40px 0;
}

.senra-auth-card {
    background-color: white;
    border-radius: var(--border-radius);
    box-shadow: var(--shadow);
    width: 100%;
    max-width: 450px;
    padding: 30px;
}

.senra-auth-header {
    text-align: center;
    margin-bottom: 30px;
}

.senra-auth-header h2 {
    color: var(--primary);
    margin-bottom: 10px;
}

.senra-auth-form .form-group {
    margin-bottom: 20px;
}

.senra-auth-form label {
    display: block;
    margin-bottom: 8px;
    font-weight: 500;
    color: var(--gray);
}

.senra-auth-form input,
.senra-auth-form select {
    width: 100%;
    padding: 12px 15px;
    border: 1px solid var(--light-gray);
    border-radius: var(--border-radius);
    font-size: 1rem;
    transition: var(--transition);
}

.senra-auth-form input:focus,
.senra-auth-form select:focus {
    border-color: var(--primary);
    outline: none;
    box-shadow: 0 0 0 2px rgba(26, 115, 232, 0.2);
}

.btn {
    display: inline-block;
    padding: 12px 24px;
    background-color: var(--primary);
    color: white;
    border: none;
    border-radius: var(--border-radius);
    font-size: 1rem;
    font-weight: 500;
    cursor: pointer;
    transition: var(--transition);
    text-align: center;
    text-decoration: none;
}

.btn:hover {
    background-color: var(--primary-dark);
    transform: translateY(-2px);
}

.btn-block {
    display: block;
    width: 100%;
}

.btn-google {
    background-color: white;
    color: var(--gray);
    border: 1px solid var(--light-gray);
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
}

.btn-google:hover {
    background-color: #f5f5f5;
}

.divider {
    display: flex;
    align-items: center;
    margin: 20px 0;
    color: var(--gray);
}

.divider::before, .divider::after {
    content: "";
    flex: 1;
    border-bottom: 1px solid var(--light-gray);
}

.divider span {
    padding: 0 15px;
}

/* Dashboard */
.senra-dashboard {
    padding: 30px 0;
}

.senra-dashboard-header {
    margin-bottom: 30px;
}

.senra-dashboard-header h2 {
    color: var(--primary);
    margin-bottom: 10px;
}

.senra-stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(250px, 1fr));
    gap: 20px;
    margin-bottom: 30px;
}

.senra-stat-card {
    background-color: white;
    border-radius: var(--border-radius);
    box-shadow: var(--shadow);
    padding: 20px;
    display: flex;
    flex-direction: column;
    transition: var(--transition);
}

.senra-stat-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.15);
}

.senra-stat-value {
    font-size: 2rem;
    font-weight: bold;
    color: var(--primary);
    margin-bottom: 5px;
}

.senra-stat-label {
    color: var(--gray);
    font-size: 0.9rem;
}

.senra-dashboard-grid {
    display: grid;
    grid-template-columns: 2fr 1fr;
    gap: 20px;
}

.senra-card {
    background-color: white;
    border-radius: var(--border-radius);
    box-shadow: var(--shadow);
    padding: 20px;
    margin-bottom: 20px;
    transition: var(--transition);
}

.senra-card:hover {
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.1);
}

.senra-card-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 15px;
    padding-bottom: 10px;
    border-bottom: 1px solid var(--light-gray);
}

.senra-card-title {
    font-size: 1.2rem;
    font-weight: 600;
    color: var(--dark);
}

/* Agenda */
.senra-agenda {
    display: grid;
    grid-template-columns: repeat(7, 1fr);
    gap: 10px;
    margin-bottom: 20px;
}

.senra-agenda-day {
    text-align: center;
    padding: 10px 5px;
    border-radius: var(--border-radius);
    background-color: var(--light);
    font-size: 0.9rem;
    font-weight: 500;
}

.senra-agenda-day.active {
    background-color: var(--primary);
    color: white;
}

.senra-agenda-slots {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(120px, 1fr));
    gap: 10px;
}

.senra-slot {
    padding: 12px;
    text-align: center;
    border-radius: var(--border-radius);
    background-color: var(--light);
    cursor: pointer;
    transition: var(--transition);
    border: 1px solid var(--light-gray);
    font-size: 0.9rem;
}

.senra-slot:hover {
    background-color: var(--light-gray);
    transform: translateY(-2px);
}

.senra-slot.booked {
    background-color: var(--danger);
    color: white;
    cursor: not-allowed;
    opacity: 0.7;
}

.senra-slot.available {
    background-color: var(--secondary);
    color: white;
}

.senra-slot.available:hover {
    background-color: #2e7d32;
}

/* Lista de aulas */
.senra-lesson-list {
    list-style: none;
}

.senra-lesson-item {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 15px;
    border-bottom: 1px solid var(--light-gray);
    transition: var(--transition);
    border-radius: var(--border-radius);
    margin-bottom: 10px;
    background-color: var(--light);
}

.senra-lesson-item:hover {
    background-color: white;
    box-shadow: var(--shadow);
}

.senra-lesson-info h4 {
    margin-bottom: 5px;
    color: var(--dark);
    font-size: 1.1rem;
}

.senra-lesson-meta {
    display: flex;
    gap: 15px;
    font-size: 0.9rem;
    color: var(--gray);
    flex-wrap: wrap;
}

.senra-lesson-status {
    padding: 6px 12px;
    border-radius: 20px;
    font-size: 0.8rem;
    font-weight: 500;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.status-scheduled {
    background-color: var(--accent);
    color: var(--dark);
}

.status-confirmed {
    background-color: var(--secondary);
    color: white;
}

.status-completed {
    background-color: var(--primary);
    color: white;
}

.status-cancelled {
    background-color: var(--danger);
    color: white;
}

/* Chat educacional */
.senra-chat-container {
    display: flex;
    flex-direction: column;
    height: 500px;
    border: 1px solid var(--light-gray);
    border-radius: var(--border-radius);
    overflow: hidden;
    background-color: white;
}

.senra-chat-header {
    padding: 15px 20px;
    background-color: var(--primary);
    color: white;
    display: flex;
    align-items: center;
    gap: 10px;
}

.senra-chat-messages {
    flex: 1;
    padding: 20px;
    overflow-y: auto;
    background-color: #f9f9f9;
    display: flex;
    flex-direction: column;
}

.senra-message {
    margin-bottom: 15px;
    max-width: 80%;
    display: flex;
    flex-direction: column;
}

.senra-message.received {
    align-self: flex-start;
}

.senra-message.sent {
    align-self: flex-end;
}

.senra-message-bubble {
    padding: 12px 15px;
    border-radius: 18px;
    position: relative;
    word-wrap: break-word;
}

.received .senra-message-bubble {
    background-color: white;
    border-top-left-radius: 5px;
    border: 1px solid var(--light-gray);
}

.sent .senra-message-bubble {
    background-color: var(--primary);
    color: white;
    border-top-right-radius: 5px;
}

.senra-message-time {
    font-size: 0.7rem;
    color: var(--gray);
    margin-top: 5px;
    text-align: right;
}

.senra-chat-input {
    display: flex;
    padding: 15px;
    background-color: white;
    border-top: 1px solid var(--light-gray);
    gap: 10px;
}

.senra-chat-input input {
    flex: 1;
    padding: 12px 15px;
    border: 1px solid var(--light-gray);
    border-radius: 20px;
    font-size: 0.9rem;
}

.senra-chat-input input:focus {
    outline: none;
    border-color: var(--primary);
}

/* Formulários */
.senra-form-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 15px;
}

.senra-form-actions {
    display: flex;
    justify-content: flex-end;
    gap: 10px;
    margin-top: 20px;
}

.btn-secondary {
    background-color: var(--gray);
}

.btn-secondary:hover {
    background-color: #424242;
}

.btn-success {
    background-color: var(--secondary);
}

.btn-success:hover {
    background-color: #2e7d32;
}

.btn-warning {
    background-color: var(--accent);
    color: var(--dark);
}

.btn-warning:hover {
    background-color: #f9ab00;
}

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

.btn-danger:hover {
    background-color: #d32f2f;
}

/* Modal */
.senra-modal {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0, 0, 0, 0.5);
    z-index: 1000;
    align-items: center;
    justify-content: center;
    padding: 20px;
}

.senra-modal.active {
    display: flex;
}

.senra-modal-content {
    background-color: white;
    border-radius: var(--border-radius);
    width: 100%;
    max-width: 500px;
    max-height: 90vh;
    overflow-y: auto;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.3);
}

.senra-modal-header {
    padding: 15px 20px;
    border-bottom: 1px solid var(--light-gray);
    display: flex;
    justify-content: space-between;
    align-items: center;
    background-color: var(--light);
    border-radius: var(--border-radius) var(--border-radius) 0 0;
}

.senra-modal-close {
    background: none;
    border: none;
    font-size: 1.5rem;
    cursor: pointer;
    color: var(--gray);
    padding: 5px;
    border-radius: 50%;
    width: 30px;
    height: 30px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.senra-modal-close:hover {
    background-color: var(--light-gray);
}

.senra-modal-body {
    padding: 20px;
}

/* Lista de professores */
.senra-teachers-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
    gap: 20px;
}

.senra-teacher-card {
    background-color: white;
    border-radius: var(--border-radius);
    box-shadow: var(--shadow);
    padding: 20px;
    transition: var(--transition);
    border: 1px solid var(--light-gray);
}

.senra-teacher-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 8px 25px rgba(0, 0, 0, 0.15);
}

.senra-teacher-header {
    display: flex;
    align-items: center;
    gap: 15px;
    margin-bottom: 15px;
}

.senra-teacher-avatar {
    width: 60px;
    height: 60px;
    border-radius: 50%;
    background-color: var(--primary);
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-weight: bold;
    font-size: 1.2rem;
}

.senra-teacher-info h4 {
    margin-bottom: 5px;
    color: var(--dark);
}

.senra-teacher-disciplines {
    color: var(--primary);
    font-weight: 500;
    font-size: 0.9rem;
}

.senra-teacher-rating {
    display: flex;
    align-items: center;
    gap: 5px;
    color: var(--accent);
    font-weight: 500;
}

/* Ferramentas educacionais */
.senra-tools-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(350px, 1fr));
    gap: 20px;
}

.senra-tool-card {
    background-color: white;
    border-radius: var(--border-radius);
    box-shadow: var(--shadow);
    padding: 25px;
    transition: var(--transition);
}

.senra-tool-card:hover {
    transform: translateY(-3px);
    box-shadow: 0 6px 20px rgba(0, 0, 0, 0.1);
}

.senra-tool-icon {
    font-size: 2rem;
    color: var(--primary);
    margin-bottom: 15px;
}

.senra-tool-card h4 {
    margin-bottom: 10px;
    color: var(--dark);
}

.senra-tool-card p {
    color: var(--gray);
    margin-bottom: 20px;
    font-size: 0.9rem;
}

/* Estados de loading e vazio */
.senra-loading {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    padding: 40px;
    text-align: center;
    color: var(--gray);
}

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

.senra-empty-state .icon {
    font-size: 3rem;
    margin-bottom: 15px;
    color: var(--light-gray);
}

/* Notificações */
.senra-notification {
    position: fixed;
    top: 20px;
    right: 20px;
    padding: 15px 20px;
    border-radius: var(--border-radius);
    color: white;
    z-index: 1001;
    box-shadow: var(--shadow);
    transform: translateX(400px);
    transition: transform 0.3s ease;
    max-width: 400px;
}

.senra-notification.show {
    transform: translateX(0);
}

.senra-notification.success {
    background-color: var(--secondary);
}

.senra-notification.error {
    background-color: var(--danger);
}

.senra-notification.info {
    background-color: var(--primary);
}

.senra-notification.warning {
    background-color: var(--accent);
    color: var(--dark);
}

/* Responsividade */
@media (max-width: 768px) {
    .senra-navbar {
        flex-direction: column;
        gap: 15px;
        padding: 15px 0;
    }
    
    .senra-nav-links {
        flex-wrap: wrap;
        justify-content: center;
        gap: 10px;
    }
    
    .senra-nav-links a {
        padding: 6px 12px;
        font-size: 0.9rem;
    }
    
    .senra-dashboard-grid {
        grid-template-columns: 1fr;
    }
    
    .senra-form-row {
        grid-template-columns: 1fr;
    }
    
    .senra-agenda-slots {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .senra-message {
        max-width: 90%;
    }
    
    .senra-teachers-grid,
    .senra-tools-grid {
        grid-template-columns: 1fr;
    }
    
    .senra-modal-content {
        margin: 10px;
        max-height: calc(100vh - 20px);
    }
    
    .senra-user-menu {
        flex-direction: column;
        gap: 10px;
    }
}

@media (max-width: 480px) {
    .senra-auth-card {
        margin: 10px;
        padding: 20px;
    }
    
    .senra-stats-grid {
        grid-template-columns: 1fr;
    }
    
    .senra-agenda-slots {
        grid-template-columns: 1fr;
    }
    
    .senra-lesson-meta {
        flex-direction: column;
        gap: 5px;
    }
}

/* Animações */
@keyframes senraFadeIn {
    from { opacity: 0; transform: translateY(20px); }
    to { opacity: 1; transform: translateY(0); }
}

.senra-fade-in {
    animation: senraFadeIn 0.3s ease;
}

@keyframes senraSlideIn {
    from { transform: translateX(-100%); }
    to { transform: translateX(0); }
}

.senra-slide-in {
    animation: senraSlideIn 0.3s ease;
}

/* Utilitários */
.senra-text-center {
    text-align: center;
}

.senra-mt-20 {
    margin-top: 20px;
}

.senra-mb-20 {
    margin-bottom: 20px;
}

.senra-hidden {
    display: none !important;
}

.senra-visible {
    display: block;
}

.senra-text-muted {
    color: var(--gray);
}

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

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

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

/* Scrollbar personalizado */
.senra-chat-messages::-webkit-scrollbar {
    width: 6px;
}

.senra-chat-messages::-webkit-scrollbar-track {
    background: #f1f1f1;
    border-radius: 3px;
}

.senra-chat-messages::-webkit-scrollbar-thumb {
    background: var(--light-gray);
    border-radius: 3px;
}

.senra-chat-messages::-webkit-scrollbar-thumb:hover {
    background: var(--gray);
}