/* Reset e Estilos Gerais */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

:root {
    --primary-color: #4F46E5;
    --primary-hover: #4338CA;
    --secondary-color: #10B981;
    --danger-color: #EF4444;
    --warning-color: #F59E0B;
    --dark-bg: #1F2937;
    --light-bg: #F9FAFB;
    --border-color: #E5E7EB;
    --text-color: #1F2937;
    --text-light: #6B7280;
    
    /* Tema Claro (padrão) */
    --bg-primary: #FFFFFF;
    --bg-secondary: #F9FAFB;
    --bg-tertiary: #F3F4F6;
    --text-primary: #1F2937;
    --text-secondary: #6B7280;
    --border: #E5E7EB;
    --shadow: rgba(0, 0, 0, 0.1);
    --card-bg: #FFFFFF;
}

/* Tema Escuro */
[data-theme="dark"] {
    --bg-primary: #111827;
    --bg-secondary: #1F2937;
    --bg-tertiary: #374151;
    --text-primary: #F9FAFB;
    --text-secondary: #D1D5DB;
    --border: #374151;
    --shadow: rgba(0, 0, 0, 0.3);
    --card-bg: #1F2937;
    --light-bg: #1F2937;
    --dark-bg: #111827;
    --text-color: #F9FAFB;
    --text-light: #D1D5DB;
    --border-color: #374151;
}

body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    background-color: var(--bg-secondary);
    color: var(--text-primary);
    line-height: 1.6;
    transition: background-color 0.3s ease, color 0.3s ease;
}

/* Página de Autenticação */
.auth-page {
    display: flex;
    align-items: center;
    justify-content: center;
    min-height: 100vh;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
}

.auth-container {
    width: 100%;
    max-width: 420px;
    padding: 20px;
}

.auth-card {
    background: var(--card-bg);
    border-radius: 12px;
    padding: 40px;
    box-shadow: 0 20px 60px var(--shadow);
    transition: background-color 0.3s ease;
}

.auth-card h1 {
    color: var(--primary-color);
    font-size: 24px;
    margin-bottom: 10px;
    text-align: center;
}

.auth-card h2 {
    font-size: 28px;
    margin-bottom: 30px;
    text-align: center;
    color: var(--text-primary);
}

.auth-link {
    text-align: center;
    margin-top: 20px;
    color: var(--text-secondary);
}

.auth-link a {
    color: var(--primary-color);
    text-decoration: none;
    font-weight: 600;
}

.auth-link a:hover {
    text-decoration: underline;
}

/* Formulários */
.form-group {
    margin-bottom: 20px;
}

.form-group label {
    display: block;
    margin-bottom: 6px;
    font-weight: 600;
    color: var(--text-primary);
}

.form-group input,
.form-group select,
.form-group textarea {
    width: 100%;
    padding: 12px;
    border: 2px solid var(--border);
    border-radius: 6px;
    font-size: 14px;
    transition: border-color 0.3s;
    background-color: var(--bg-primary);
    color: var(--text-primary);
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--primary-color);
}

.form-group textarea {
    resize: vertical;
    min-height: 100px;
}

/* Botões */
.btn {
    padding: 12px 24px;
    border: none;
    border-radius: 6px;
    font-size: 14px;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s;
    text-decoration: none;
    display: inline-block;
}

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

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

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

.btn-success:hover {
    background-color: #059669;
}

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

.btn-danger:hover {
    background-color: #DC2626;
}

.btn-secondary {
    background-color: var(--text-light);
    color: white;
}

.btn-secondary:hover {
    background-color: #4B5563;
}

.btn-block {
    width: 100%;
}

.btn-sm {
    padding: 6px 12px;
    font-size: 12px;
}

/* Alertas */
.alert {
    padding: 12px 16px;
    border-radius: 6px;
    margin-bottom: 20px;
}

.alert-error {
    background-color: #FEE2E2;
    color: #991B1B;
    border: 1px solid #FCA5A5;
}

.alert-success {
    background-color: #D1FAE5;
    color: #065F46;
    border: 1px solid #6EE7B7;
}

.alert-warning {
    background-color: #FEF3C7;
    color: #92400E;
    border: 1px solid #FCD34D;
}

.alert-info {
    background-color: #DBEAFE;
    color: #1E40AF;
    border: 1px solid #93C5FD;
}

/* Dashboard Layout */
.dashboard {
    display: flex;
    min-height: 100vh;
}

.sidebar {
    width: 260px;
    background-color: var(--dark-bg);
    color: white;
    padding: 20px 0;
    position: fixed;
    height: 100vh;
    overflow-y: auto;
    transition: background-color 0.3s ease;
}

.sidebar-header {
    padding: 0 20px 20px;
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

.sidebar-header h2 {
    font-size: 20px;
    margin-bottom: 5px;
}

.sidebar-header p {
    font-size: 12px;
    color: var(--text-light);
}

.sidebar-menu {
    list-style: none;
    padding: 20px 0;
}

.sidebar-menu li {
    margin-bottom: 5px;
}

.sidebar-menu a {
    display: flex;
    align-items: center;
    padding: 12px 20px;
    color: rgba(255, 255, 255, 0.8);
    text-decoration: none;
    transition: all 0.3s;
}

.sidebar-menu a:hover,
.sidebar-menu a.active {
    background-color: rgba(255, 255, 255, 0.1);
    color: white;
}

.sidebar-menu a svg,
.sidebar-menu a i {
    margin-right: 10px;
    width: 20px;
}

.main-content {
    flex: 1;
    margin-left: 260px;
    padding: 30px;
}

.dashboard-header {
    background: var(--card-bg);
    padding: 20px 30px;
    margin: -30px -30px 30px -30px;
    box-shadow: 0 2px 4px var(--shadow);
    transition: background-color 0.3s ease;
}

.dashboard-header h1 {
    font-size: 28px;
    color: var(--text-primary);
}

/* Cards */
.card {
    background: var(--card-bg);
    border-radius: 8px;
    padding: 24px;
    box-shadow: 0 1px 3px var(--shadow);
    margin-bottom: 20px;
    transition: background-color 0.3s ease;
}

.card-header {
    margin-bottom: 20px;
    padding-bottom: 12px;
    border-bottom: 2px solid var(--border);
}

.card-header h3 {
    font-size: 20px;
    color: var(--text-primary);
}

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

.stat-card {
    background: var(--card-bg);
    border-radius: 8px;
    padding: 20px;
    box-shadow: 0 1px 3px var(--shadow);
    border-left: 4px solid var(--primary-color);
    transition: background-color 0.3s ease;
}

.stat-card h4 {
    font-size: 14px;
    color: var(--text-secondary);
    margin-bottom: 8px;
    text-transform: uppercase;
}

.stat-card .stat-value {
    font-size: 32px;
    font-weight: bold;
    color: var(--text-primary);
}

/* Tabelas */
.table-responsive {
    overflow-x: auto;
}

table {
    width: 100%;
    border-collapse: collapse;
    background: var(--card-bg);
    transition: background-color 0.3s ease;
}

table th,
table td {
    padding: 12px;
    text-align: left;
    border-bottom: 1px solid var(--border);
}

table th {
    background-color: var(--bg-tertiary);
    font-weight: 600;
    color: var(--text-primary);
}

table tbody tr:hover {
    background-color: var(--bg-tertiary);
}

/* Chat Interface */
.chat-container {
    display: flex;
    flex-direction: column;
    height: 600px;
    background: var(--card-bg);
    border-radius: 8px;
    overflow: hidden;
    transition: background-color 0.3s ease;
}

.chat-messages {
    flex: 1;
    padding: 20px;
    overflow-y: auto;
    background-color: var(--bg-tertiary);
}

.chat-message {
    margin-bottom: 16px;
    display: flex;
    animation: slideIn 0.3s ease;
}

@keyframes slideIn {
    from {
        opacity: 0;
        transform: translateY(10px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.chat-message.user {
    justify-content: flex-end;
}

.chat-message.assistant {
    justify-content: flex-start;
}

.message-bubble {
    max-width: 70%;
    padding: 12px 16px;
    border-radius: 12px;
    word-wrap: break-word;
}

.chat-message.user .message-bubble {
    background-color: var(--primary-color);
    color: white;
}

.chat-message.assistant .message-bubble {
    background-color: var(--card-bg);
    color: var(--text-primary);
    border: 1px solid var(--border);
}

.chat-input-area {
    padding: 20px;
    background: var(--card-bg);
    border-top: 2px solid var(--border);
}

.chat-input-form {
    display: flex;
    gap: 10px;
}

.chat-input-form input {
    flex: 1;
    padding: 12px;
    border: 2px solid var(--border);
    border-radius: 6px;
    font-size: 14px;
    background-color: var(--bg-primary);
    color: var(--text-primary);
}

.chat-input-form button {
    padding: 12px 24px;
}

.typing-indicator {
    display: none;
    padding: 12px;
    background: var(--card-bg);
    border-radius: 12px;
    width: 60px;
}

.typing-indicator.show {
    display: block;
}

.typing-indicator span {
    height: 8px;
    width: 8px;
    background-color: var(--text-light);
    border-radius: 50%;
    display: inline-block;
    margin-right: 4px;
    animation: typing 1.4s infinite;
}

.typing-indicator span:nth-child(2) {
    animation-delay: 0.2s;
}

.typing-indicator span:nth-child(3) {
    animation-delay: 0.4s;
}

@keyframes typing {
    0%, 60%, 100% {
        transform: translateY(0);
    }
    30% {
        transform: translateY(-10px);
    }
}

/* Loading Spinner */
.spinner {
    border: 3px solid var(--border);
    border-top: 3px solid var(--primary-color);
    border-radius: 50%;
    width: 30px;
    height: 30px;
    animation: spin 1s linear infinite;
    margin: 0 auto;
}

@keyframes spin {
    0% { transform: rotate(0deg); }
    100% { transform: rotate(360deg); }
}

/* Modal */
.modal {
    display: none;
    position: fixed;
    z-index: 1000;
    left: 0;
    top: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0, 0, 0, 0.5);
}

.modal.show {
    display: flex;
    align-items: center;
    justify-content: center;
}

.modal-content {
    background: var(--card-bg);
    border-radius: 8px;
    padding: 30px;
    max-width: 600px;
    width: 90%;
    max-height: 90vh;
    overflow-y: auto;
    transition: background-color 0.3s ease;
}

.modal-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 20px;
}

.modal-header h3 {
    font-size: 24px;
}

.close-modal {
    font-size: 28px;
    font-weight: bold;
    color: var(--text-secondary);
    cursor: pointer;
    border: none;
    background: none;
}

.close-modal:hover {
    color: var(--text-primary);
}

/* Badges */
.badge {
    display: inline-block;
    padding: 4px 8px;
    border-radius: 4px;
    font-size: 12px;
    font-weight: 600;
}

.badge-success {
    background-color: #D1FAE5;
    color: #065F46;
}

.badge-secondary {
    background-color: #E5E7EB;
    color: #4B5563;
}

.badge-info {
    background: linear-gradient(135deg, #3B82F6, #2563EB);
    color: white;
    padding: 8px 16px;
    border-radius: 25px;
    font-weight: 700;
    box-shadow: 0 2px 8px rgba(59, 130, 246, 0.3);
}

.badge-warning {
    background-color: #FEF3C7;
    color: #92400E;
}

.badge-danger {
    background-color: #FEE2E2;
    color: #991B1B;
}

/* Utilidades */
.text-center {
    text-align: center;
}

.text-right {
    text-align: right;
}

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

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

.flex {
    display: flex;
}

.justify-between {
    justify-content: space-between;
}

.align-center {
    align-items: center;
}

.gap-10 {
    gap: 10px;
}

/* Botão Toggle Tema */
.theme-toggle {
    position: fixed;
    bottom: 20px;
    right: 20px;
    width: 50px;
    height: 50px;
    border-radius: 50%;
    background-color: var(--primary-color);
    border: none;
    color: white;
    font-size: 20px;
    cursor: pointer;
    box-shadow: 0 4px 12px var(--shadow);
    transition: all 0.3s ease;
    z-index: 1000;
    display: flex;
    align-items: center;
    justify-content: center;
}

.theme-toggle:hover {
    background-color: var(--primary-hover);
    transform: scale(1.1);
}

.theme-toggle:active {
    transform: scale(0.95);
}

/* Responsivo */
@media (max-width: 768px) {
    .sidebar {
        width: 100%;
        position: relative;
        height: auto;
    }
    
    .main-content {
        margin-left: 0;
    }
    
    .card-grid {
        grid-template-columns: 1fr;
    }
    
    .message-bubble {
        max-width: 85%;
    }
}