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

:root {
    --primary: #1e3a8a;
    --primary-dark: #1e40af;
    --secondary: #dc2626;
    --success: #16a34a;
    --warning: #eab308;
    --dark: #1f2937;
    --light: #f3f4f6;
    --white: #ffffff;
    --border: #e5e7eb;
    --shadow: rgba(0, 0, 0, 0.1);
    --text: #374151;
}

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    min-height: 100vh;
    color: var(--text);
    line-height: 1.6;
}

/* Container Principal */
.container {
    max-width: 600px;
    margin: 0 auto;
    padding: 20px;
    min-height: 100vh;
    display: flex;
    flex-direction: column;
}

/* Header */
.header {
    background: var(--white);
    padding: 30px;
    border-radius: 20px;
    text-align: center;
    box-shadow: 0 10px 30px var(--shadow);
    margin-bottom: 25px;
}

.logo {
    display: flex;
    justify-content: center;
    margin-bottom: 15px;
}

.logo svg {
    color: var(--primary);
    filter: drop-shadow(0 4px 6px rgba(30, 58, 138, 0.3));
}

.header h1 {
    color: var(--primary);
    font-size: 28px;
    font-weight: 700;
    margin-bottom: 8px;
}

.subtitle {
    color: var(--text);
    font-size: 16px;
    opacity: 0.8;
}

/* Mensagens */
.mensagem {
    padding: 15px 20px;
    border-radius: 12px;
    margin-bottom: 20px;
    font-weight: 500;
    animation: slideIn 0.3s ease;
}

.mensagem.sucesso {
    background: #dcfce7;
    color: #166534;
    border-left: 4px solid var(--success);
}

.mensagem.erro {
    background: #fee2e2;
    color: #991b1b;
    border-left: 4px solid var(--secondary);
}

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

/* Formulário */
.form-pergunta {
    background: var(--white);
    padding: 30px;
    border-radius: 20px;
    box-shadow: 0 10px 30px var(--shadow);
    margin-bottom: 20px;
}

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

.form-group label {
    display: block;
    margin-bottom: 8px;
    font-weight: 600;
    color: var(--dark);
    font-size: 14px;
}

.obrigatorio {
    color: var(--secondary);
    font-weight: bold;
}

.form-group input,
.form-group select,
.form-group textarea {
    width: 100%;
    padding: 12px 15px;
    border: 2px solid var(--border);
    border-radius: 10px;
    font-size: 15px;
    transition: all 0.3s ease;
    font-family: inherit;
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--primary);
    box-shadow: 0 0 0 3px rgba(30, 58, 138, 0.1);
}

.form-group textarea {
    resize: vertical;
    min-height: 120px;
}

.contador-caracteres {
    text-align: right;
    font-size: 13px;
    color: #6b7280;
    margin-top: 5px;
}

.btn-enviar {
    width: 100%;
    padding: 15px;
    background: var(--primary);
    color: var(--white);
    border: none;
    border-radius: 12px;
    font-size: 16px;
    font-weight: 600;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
    transition: all 0.3s ease;
    box-shadow: 0 4px 14px rgba(30, 58, 138, 0.4);
}

.btn-enviar:hover {
    background: var(--primary-dark);
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(30, 58, 138, 0.5);
}

.btn-enviar:active {
    transform: translateY(0);
}

/* Footer */
.footer {
    background: var(--white);
    padding: 20px;
    border-radius: 15px;
    text-align: center;
    margin-top: auto;
    box-shadow: 0 4px 15px var(--shadow);
}

.footer p {
    margin-bottom: 10px;
    color: var(--text);
    font-weight: 500;
}

.link-admin {
    color: var(--primary);
    text-decoration: none;
    font-size: 14px;
    font-weight: 600;
    transition: all 0.3s ease;
}

.link-admin:hover {
    color: var(--primary-dark);
    text-decoration: underline;
}

/* ===== ÁREA ADMINISTRATIVA ===== */

/* Login */
.container-login {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 20px;
}

.login-box {
    background: var(--white);
    padding: 40px;
    border-radius: 20px;
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.3);
    max-width: 400px;
    width: 100%;
}

.logo-login {
    display: flex;
    justify-content: center;
    margin-bottom: 20px;
}

.logo-login svg {
    color: var(--primary);
}

.login-box h2 {
    text-align: center;
    color: var(--primary);
    margin-bottom: 10px;
    font-size: 26px;
}

.subtitle-login {
    text-align: center;
    color: var(--text);
    margin-bottom: 30px;
    font-size: 14px;
}

.form-login {
    margin-bottom: 20px;
}

.btn-login {
    width: 100%;
    padding: 14px;
    background: var(--primary);
    color: var(--white);
    border: none;
    border-radius: 10px;
    font-size: 16px;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s ease;
}

.btn-login:hover {
    background: var(--primary-dark);
    transform: translateY(-1px);
}

.link-voltar {
    display: block;
    text-align: center;
    color: var(--primary);
    text-decoration: none;
    font-size: 14px;
    margin-top: 20px;
}

/* Admin Body */
.admin-body {
    background: var(--light);
}

/* Navbar */
.navbar {
    background: var(--white);
    box-shadow: 0 2px 10px var(--shadow);
    position: sticky;
    top: 0;
    z-index: 100;
}

.nav-container {
    max-width: 1400px;
    margin: 0 auto;
    padding: 15px 20px;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.nav-logo {
    display: flex;
    align-items: center;
    gap: 12px;
    color: var(--primary);
    font-weight: 700;
    font-size: 18px;
}

.nav-logo svg {
    color: var(--primary);
}

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

.nav-link {
    color: var(--text);
    text-decoration: none;
    padding: 8px 16px;
    border-radius: 8px;
    font-weight: 500;
    transition: all 0.3s ease;
}

.nav-link:hover {
    background: var(--light);
}

.nav-link.active {
    background: var(--primary);
    color: var(--white);
}

.nav-link.logout {
    color: var(--secondary);
}

/* Container Admin */
.admin-container {
    max-width: 1400px;
    margin: 0 auto;
    padding: 30px 20px;
}

.admin-header {
    margin-bottom: 30px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 15px;
}

.admin-header h1 {
    color: var(--dark);
    font-size: 32px;
    font-weight: 700;
}

.admin-header p {
    color: var(--text);
    font-size: 14px;
}

.btn-adicionar {
    padding: 12px 24px;
    background: var(--success);
    color: var(--white);
    border: none;
    border-radius: 10px;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s ease;
}

.btn-adicionar:hover {
    background: #15803d;
    transform: translateY(-2px);
}

/* Stats Grid */
.stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 20px;
    margin-bottom: 30px;
}

.stat-card {
    background: var(--white);
    padding: 25px;
    border-radius: 15px;
    box-shadow: 0 4px 15px var(--shadow);
    display: flex;
    align-items: center;
    gap: 20px;
}

.stat-icon {
    width: 60px;
    height: 60px;
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--white);
}

.stat-icon.total {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
}

.stat-icon.selecionadas {
    background: linear-gradient(135deg, #16a34a 0%, #15803d 100%);
}

.stat-icon.enviadas {
    background: linear-gradient(135deg, #2563eb 0%, #1e40af 100%);
}

.stat-info h3 {
    font-size: 32px;
    color: var(--dark);
    margin-bottom: 5px;
}

.stat-info p {
    color: var(--text);
    font-size: 14px;
}

/* Filtros */
.filtros {
    background: var(--white);
    padding: 20px;
    border-radius: 15px;
    margin-bottom: 20px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 15px;
    box-shadow: 0 2px 10px var(--shadow);
}

.filtro-buttons {
    display: flex;
    gap: 10px;
    flex-wrap: wrap;
}

.btn-filtro {
    padding: 8px 16px;
    background: var(--light);
    color: var(--text);
    text-decoration: none;
    border-radius: 8px;
    font-weight: 500;
    transition: all 0.3s ease;
    border: 2px solid transparent;
}

.btn-filtro:hover {
    background: var(--border);
}

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

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

.form-busca input {
    padding: 8px 15px;
    border: 2px solid var(--border);
    border-radius: 8px;
    min-width: 200px;
}

.form-busca button {
    padding: 8px 20px;
    background: var(--primary);
    color: var(--white);
    border: none;
    border-radius: 8px;
    cursor: pointer;
    font-weight: 500;
}

/* Lista de Perguntas */
.perguntas-lista {
    display: flex;
    flex-direction: column;
    gap: 15px;
}

.pergunta-card {
    background: var(--white);
    padding: 25px;
    border-radius: 15px;
    box-shadow: 0 2px 10px var(--shadow);
    border-left: 5px solid var(--border);
    transition: all 0.3s ease;
}

.pergunta-card.selecionada {
    border-left-color: var(--success);
    background: #f0fdf4;
}

.pergunta-card.enviada {
    border-left-color: var(--primary);
    background: #eff6ff;
}

.pergunta-header {
    display: flex;
    justify-content: space-between;
    align-items: start;
    margin-bottom: 15px;
    gap: 15px;
}

.pergunta-usuario strong {
    display: block;
    color: var(--dark);
    font-size: 16px;
    margin-bottom: 5px;
}

.pergunta-usuario .email {
    color: var(--text);
    font-size: 14px;
}

.pergunta-data {
    color: #9ca3af;
    font-size: 13px;
    white-space: nowrap;
}

.pergunta-palestrante {
    background: var(--light);
    padding: 10px 15px;
    border-radius: 8px;
    margin-bottom: 15px;
    font-size: 14px;
}

.pergunta-palestrante strong {
    color: var(--primary);
}

.cargo {
    color: var(--text);
    font-size: 13px;
}

.pergunta-texto {
    color: var(--text);
    line-height: 1.8;
    margin-bottom: 20px;
    padding: 15px;
    background: var(--light);
    border-radius: 10px;
}

.pergunta-acoes {
    display: flex;
    gap: 10px;
    flex-wrap: wrap;
}

.btn-acao {
    padding: 8px 16px;
    border: none;
    border-radius: 8px;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s ease;
    font-size: 14px;
}

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

.btn-acao.desselecionar {
    background: #ef4444;
    color: var(--white);
}

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

.btn-acao:hover {
    transform: translateY(-2px);
    box-shadow: 0 4px 8px var(--shadow);
}

.badge {
    padding: 6px 12px;
    border-radius: 6px;
    font-size: 13px;
    font-weight: 600;
}

.badge.enviada {
    background: #dbeafe;
    color: var(--primary);
}

.empty-state {
    background: var(--white);
    padding: 60px 30px;
    text-align: center;
    border-radius: 15px;
    color: var(--text);
}

/* Palestrantes */
.palestrantes-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
    gap: 20px;
}

.palestrante-card {
    background: var(--white);
    padding: 25px;
    border-radius: 15px;
    box-shadow: 0 4px 15px var(--shadow);
    transition: all 0.3s ease;
}

.palestrante-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 8px 25px var(--shadow);
}

.palestrante-card.inativo {
    opacity: 0.6;
}

.palestrante-info h3 {
    color: var(--dark);
    margin-bottom: 8px;
    font-size: 20px;
}

.palestrante-info .cargo {
    display: block;
    color: var(--text);
    margin-bottom: 15px;
    font-size: 14px;
}

.perguntas-count {
    display: flex;
    align-items: center;
    gap: 8px;
    color: var(--text);
    font-size: 14px;
    margin-bottom: 12px;
}

.badge-status {
    display: inline-block;
    padding: 5px 12px;
    border-radius: 20px;
    font-size: 12px;
    font-weight: 600;
    margin-bottom: 15px;
}

.badge-status.ativo {
    background: #dcfce7;
    color: #166534;
}

.badge-status.inativo {
    background: #fee2e2;
    color: #991b1b;
}

.palestrante-acoes {
    display: flex;
    gap: 10px;
    margin-top: 15px;
}

.btn-editar,
.btn-toggle {
    flex: 1;
    padding: 10px;
    border: none;
    border-radius: 8px;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s ease;
}

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

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

.btn-editar:hover,
.btn-toggle:hover {
    transform: translateY(-2px);
}

/* Modal */
.modal {
    display: none;
    position: fixed;
    z-index: 1000;
    left: 0;
    top: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.6);
    animation: fadeIn 0.3s;
}

.modal-content {
    background: var(--white);
    margin: 5% auto;
    padding: 30px;
    border-radius: 20px;
    max-width: 500px;
    width: 90%;
    position: relative;
    animation: slideDown 0.3s;
}

@keyframes fadeIn {
    from { opacity: 0; }
    to { opacity: 1; }
}

@keyframes slideDown {
    from {
        transform: translateY(-50px);
        opacity: 0;
    }
    to {
        transform: translateY(0);
        opacity: 1;
    }
}

.close {
    position: absolute;
    right: 20px;
    top: 20px;
    font-size: 28px;
    font-weight: bold;
    color: #aaa;
    cursor: pointer;
}

.close:hover {
    color: var(--dark);
}

.modal-content h2 {
    color: var(--dark);
    margin-bottom: 25px;
}

.modal-acoes {
    display: flex;
    gap: 10px;
    margin-top: 25px;
}

.btn-cancelar,
.btn-salvar {
    flex: 1;
    padding: 12px;
    border: none;
    border-radius: 10px;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s ease;
}

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

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

/* Responsividade */
@media (max-width: 768px) {
    .nav-container {
        flex-direction: column;
        gap: 15px;
    }
    
    .nav-menu {
        width: 100%;
        justify-content: center;
    }
    
    .admin-header {
        flex-direction: column;
        align-items: flex-start;
    }
    
    .stats-grid {
        grid-template-columns: 1fr;
    }
    
    .filtros {
        flex-direction: column;
        align-items: stretch;
    }
    
    .form-busca {
        width: 100%;
    }
    
    .form-busca input {
        flex: 1;
        min-width: auto;
    }
    
    .pergunta-header {
        flex-direction: column;
    }
    
    .palestrantes-grid {
        grid-template-columns: 1fr;
    }
    
    .modal-content {
        margin: 10% auto;
        width: 95%;
    }
}

@media (max-width: 480px) {
    .container {
        padding: 15px;
    }
    
    .header {
        padding: 20px;
    }
    
    .header h1 {
        font-size: 24px;
    }
    
    .form-pergunta {
        padding: 20px;
    }
    
    .admin-container {
        padding: 20px 15px;
    }
    
    .admin-header h1 {
        font-size: 24px;
    }
}