/* ========================================
   Sistema de Certificados - Estilos CSS
   Design moderno, clean e responsivo
======================================== */

/* Variáveis CSS para consistência */
:root {
    --primary-color: #374151;
    --primary-hover: #1f2937;
    --secondary-color: #6b7280;
    --success-color: #16a34a;
    --warning-color: #d97706;
    --danger-color: #dc2626;
    --info-color: #6b7280;
    
    --gray-50: #f8fafc;
    --gray-100: #f1f5f9;
    --gray-200: #e2e8f0;
    --gray-300: #cbd5e1;
    --gray-400: #94a3b8;
    --gray-500: #64748b;
    --gray-600: #475569;
    --gray-700: #334155;
    --gray-800: #1e293b;
    --gray-900: #0f172a;
    
    --border-radius: 8px;
    --border-radius-lg: 12px;
    --box-shadow: 0 1px 3px 0 rgba(0, 0, 0, 0.1), 0 1px 2px 0 rgba(0, 0, 0, 0.06);
    --box-shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -2px rgba(0, 0, 0, 0.05);
    --box-shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.1), 0 10px 10px -5px rgba(0, 0, 0, 0.04);
    
    --transition: all 0.2s ease-in-out;
    --transition-fast: all 0.15s ease-in-out;
}

/* Reset e base */
.certificados-admin-wrap,
.validar-certificado-wrap {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, Cantarell, sans-serif;
    line-height: 1.6;
    color: var(--gray-800);
}

.certificados-admin-wrap *,
.validar-certificado-wrap * {
    box-sizing: border-box;
}

/* ========================================
   COMPONENTES COMUNS
======================================== */

/* Botões */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    padding: 0.5rem 1rem;
    font-size: 0.875rem;
    font-weight: 500;
    border: 1px solid transparent;
    border-radius: 4px;
    cursor: pointer;
    transition: var(--transition);
    text-decoration: none;
    white-space: nowrap;
}

.btn:hover {
    transform: translateY(-1px);
    box-shadow: var(--box-shadow-lg);
}

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

.btn:disabled {
    opacity: 0.6;
    cursor: not-allowed;
    transform: none;
    box-shadow: none;
}

/* Padronização específica para botões em modais */
.modal-actions .btn {
    min-width: 100px;
    font-weight: 500;
}

/* Padronização específica para botões em formulários */
.form-actions .btn {
    min-width: 100px;
    font-weight: 500;
}

/* Botões de ação na tabela */
.actions-cell .btn {
    min-width: auto;
    padding: 0.25rem 0.5rem;
    font-size: 0.75rem;
}

.actions-cell .btn-sm {
    padding: 0.25rem 0.5rem;
    font-size: 0.75rem;
}

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

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

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

.btn-secondary:hover {
    background-color: var(--gray-600);
    border-color: var(--gray-600);
}

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

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

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

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

.btn-info:hover {
    background-color: var(--gray-700);
    border-color: var(--gray-700);
}

.btn-success:hover {
    background-color: #15803d;
    border-color: #15803d;
}

.btn-warning:hover {
    background-color: #c2410c;
    border-color: #c2410c;
}

.btn-danger:hover {
    background-color: #b91c1c;
    border-color: #b91c1c;
}

.btn-outline {
    background-color: transparent;
    color: var(--gray-700);
    border-color: var(--gray-300);
}

.btn-outline:hover {
    background-color: var(--gray-50);
    border-color: var(--gray-400);
}

.btn-sm {
    padding: 0.25rem 0.75rem;
    font-size: 0.75rem;
}

.btn-lg {
    padding: 0.75rem 1.5rem;
    font-size: 1rem;
}

/* Inputs */
input[type="text"],
input[type="email"],
input[type="number"],
input[type="date"],
textarea,
select {
    width: 100%;
    padding: 0.75rem;
    border: 1px solid var(--gray-300);
    border-radius: 4px;
    font-size: 0.875rem;
    transition: var(--transition);
    background-color: white;
    position: relative;
}

/* Melhorar feedback visual nos inputs */
input:focus:valid,
textarea:focus:valid,
select:focus:valid {
    border-color: var(--success-color);
    box-shadow: 0 0 0 3px rgba(22, 163, 74, 0.1);
}

/* Estado especial para campos de CPF */
.cpf-mask {
    font-family: 'SFMono-Regular', Consolas, 'Liberation Mono', Menlo, monospace;
    letter-spacing: 0.05em;
}

/* Estados de loading para inputs */
input.loading,
textarea.loading,
select.loading {
    background-image: linear-gradient(90deg, transparent, rgba(107, 114, 128, 0.1), transparent);
    background-size: 200% 100%;
    animation: shimmer 1.5s infinite;
}

@keyframes shimmer {
    0% {
        background-position: -200% 0;
    }
    100% {
        background-position: 200% 0;
    }
}

input:focus,
textarea:focus,
select:focus {
    outline: none;
    border-color: var(--gray-600);
    box-shadow: 0 0 0 3px rgba(107, 114, 128, 0.1);
}

input.field-error,
textarea.field-error,
select.field-error {
    border-color: var(--danger-color);
    box-shadow: 0 0 0 3px rgba(220, 38, 38, 0.1);
}

input.readonly,
input:disabled {
    background-color: var(--gray-50);
    color: var(--gray-500);
    cursor: not-allowed;
}

textarea {
    resize: vertical;
    min-height: 80px;
}

/* Status badges */
.status-badge {
    display: inline-block;
    padding: 0.25rem 0.75rem;
    font-size: 0.75rem;
    font-weight: 600;
    color: white;
    border-radius: 9999px;
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.status-badge-large {
    padding: 0.75rem 1.5rem;
    font-size: 1.125rem;
    font-weight: 700;
    border-radius: var(--border-radius-lg);
    text-align: center;
    color: white;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    margin-bottom: 1.5rem;
}

/* ========================================
   MODAIS
======================================== */

.modal {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0, 0, 0, 0.6);
    backdrop-filter: blur(4px);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 9999;
    opacity: 0;
    transition: opacity 0.3s ease-in-out;
}

.modal.show {
    opacity: 1;
}

.modal-content {
    background: white;
    border-radius: var(--border-radius-lg);
    box-shadow: var(--box-shadow-xl);
    max-width: 90vw;
    max-height: 90vh;
    overflow-y: auto;
    transform: scale(0.9);
    transition: transform 0.3s ease-in-out;
}

.modal.show .modal-content {
    transform: scale(1);
}

.modal-small {
    width: 400px;
}

.modal-medium {
    width: 600px;
}

.modal-large {
    width: 900px;
}

.modal-resultado {
    width: 700px;
}

.modal-header {
    padding: 1.5rem;
    border-bottom: 1px solid var(--gray-200);
    display: flex;
    align-items: center;
    justify-content: between;
}

.modal-header h3 {
    margin: 0;
    font-size: 1.25rem;
    font-weight: 600;
    color: var(--gray-900);
    flex: 1;
    line-height: 1.4;
}

.modal-close {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    padding: 0.5rem 1rem;
    font-size: 0.875rem;
    font-weight: 500;
    border: 1px solid transparent;
    border-radius: 4px;
    cursor: pointer;
    transition: var(--transition);
    text-decoration: none;
    white-space: nowrap;
    background-color: var(--secondary-color);
    color: white;
    border-color: var(--secondary-color);
    margin-left: auto;
}

.modal-close:hover {
    background-color: var(--gray-600);
    border-color: var(--gray-600);
    transform: translateY(-1px);
    box-shadow: var(--box-shadow-lg);
}

.modal-close:active {
    transform: translateY(0);
}

/* Botão fechar X no cabeçalho do modal */
.modal-header .modal-close {
    font-size: 1.5rem;
    line-height: 1;
    color: var(--gray-400);
    cursor: pointer;
    padding: 0.5rem;
    border-radius: 4px;
    transition: var(--transition);
    margin-left: 1rem;
    background-color: transparent;
    border: none;
    width: auto;
    min-width: auto;
}

.modal-header .modal-close:hover {
    background-color: var(--gray-100);
    color: var(--gray-600);
    transform: none;
    box-shadow: none;
}

.modal-body {
    padding: 1.5rem;
}

.modal-actions {
    display: flex;
    gap: 0.75rem;
    justify-content: flex-end;
    padding-top: 1.5rem;
    border-top: 1px solid var(--gray-200);
    margin-top: 1.5rem;
}

/* ========================================
   ÁREA ADMINISTRATIVA
======================================== */

.certificados-admin-wrap {
    background: white;
    border-radius: var(--border-radius-lg);
    box-shadow: var(--box-shadow);
    overflow: hidden;
}

.certificados-admin-header {
    background: var(--gray-100);
    color: var(--gray-900);
    padding: 2rem;
    display: flex;
    align-items: center;
    justify-content: between;
    border-bottom: 1px solid var(--gray-300);
}

.certificados-admin-header h2 {
    margin: 0;
    font-size: 1.875rem;
    font-weight: 700;
    flex: 1;
    color: var(--gray-900);
}

.certificados-admin-filters {
    padding: 1.5rem;
    background: var(--gray-50);
    border-bottom: 1px solid var(--gray-200);
}

.filter-group {
    display: flex;
    gap: 0.75rem;
    align-items: center;
}

.filter-input {
    flex: 1;
    max-width: 300px;
}

.certificados-lista-container {
    min-height: 400px;
}

.certificados-lista {
    padding: 1.5rem;
}

.lista-info {
    margin-bottom: 1rem;
    color: var(--gray-600);
    font-size: 0.875rem;
}

.no-certificados {
    text-align: center;
    padding: 4rem 2rem;
    color: var(--gray-500);
}

.no-certificados p {
    font-size: 1.125rem;
    margin: 0;
}

/* Tabela */
.certificados-table-wrapper {
    overflow-x: auto;
    border-radius: var(--border-radius);
    border: 1px solid var(--gray-200);
    margin-bottom: 1.5rem;
}

.certificados-table {
    width: 100%;
    border-collapse: collapse;
    font-size: 0.875rem;
}

.certificados-table th {
    background: var(--gray-50);
    padding: 1rem 0.75rem;
    text-align: left;
    font-weight: 600;
    color: var(--gray-800);
    border-bottom: 1px solid var(--gray-200);
    white-space: nowrap;
    line-height: 1.4;
}

.certificados-table td {
    padding: 1rem 0.75rem;
    border-bottom: 1px solid var(--gray-100);
    vertical-align: middle;
}

.certificados-table tr:hover {
    background-color: rgba(243, 244, 246, 0.5);
}

.codigo-cell code {
    background: var(--gray-50);
    color: var(--gray-800);
    padding: 0.25rem 0.5rem;
    border-radius: 4px;
    border: 1px solid var(--gray-200);
    font-family: 'SFMono-Regular', Consolas, 'Liberation Mono', Menlo, monospace;
    font-size: 0.75rem;
    font-weight: 500;
}

.actions-cell {
    display: flex;
    gap: 0.25rem;
    justify-content: center;
}

/* Paginação */
.certificados-pagination {
    display: flex;
    gap: 0.5rem;
    justify-content: center;
    align-items: center;
    margin-top: 1.5rem;
}

.btn-page {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 2.5rem;
    height: 2.5rem;
    border: 1px solid var(--gray-300);
    background: white;
    color: var(--gray-700);
    border-radius: 4px;
    cursor: pointer;
    transition: var(--transition);
    font-size: 0.875rem;
    font-weight: 500;
}

.btn-page:hover {
    background: var(--gray-50);
    border-color: var(--gray-400);
    transform: translateY(-1px);
    box-shadow: var(--box-shadow);
}

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

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

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

/* Formulários */
.form-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 1.5rem;
    margin-bottom: 1.5rem;
}

.form-group {
    display: flex;
    flex-direction: column;
}

.form-group.full-width {
    grid-column: 1 / -1;
}

.form-group label {
    margin-bottom: 0.5rem;
    font-weight: 600;
    color: var(--gray-800);
    font-size: 0.875rem;
    line-height: 1.4;
}

/* Mensagens de validação inline */
.field-error-message {
    margin-top: 0.5rem;
    padding: 0.5rem 0.75rem;
    background-color: #fef2f2;
    color: var(--danger-color);
    border: 1px solid #fecaca;
    border-radius: var(--border-radius);
    font-size: 0.75rem;
    font-weight: 500;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.field-error-message:before {
    content: '⚠';
    font-size: 0.875rem;
}

.field-success-message {
    margin-top: 0.5rem;
    padding: 0.5rem 0.75rem;
    background-color: #f0fdf4;
    color: var(--success-color);
    border: 1px solid #bbf7d0;
    border-radius: var(--border-radius);
    font-size: 0.75rem;
    font-weight: 500;
    display: flex;
    align-items: center;
    gap: 0.5rem;
    animation: fadeInScale 0.3s ease-in-out;
}

.field-success-message:before {
    content: '✓';
    font-size: 0.875rem;
}

/* Animações para mensagens de validação */
@keyframes fadeInScale {
    0% {
        opacity: 0;
        transform: scale(0.95) translateY(-5px);
    }
    100% {
        opacity: 1;
        transform: scale(1) translateY(0);
    }
}

.field-error-message,
.field-success-message {
    animation: fadeInScale 0.3s ease-in-out;
}

/* Melhorar transições dos inputs com erro */
input.field-error,
textarea.field-error,
select.field-error {
    border-color: var(--danger-color);
    box-shadow: 0 0 0 3px rgba(220, 38, 38, 0.1);
    animation: shake 0.4s ease-in-out;
}

@keyframes shake {
    0%, 100% { transform: translateX(0); }
    25% { transform: translateX(-5px); }
    75% { transform: translateX(5px); }
}

.form-actions {
    display: flex;
    gap: 0.75rem;
    justify-content: flex-end;
    padding-top: 1.5rem;
    border-top: 1px solid var(--gray-200);
}

/* Detalhes do certificado */
.certificado-detalhes,
.certificado-dados {
    max-width: 100%;
}

.detalhe-grid,
.dados-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 1.5rem;
    margin-bottom: 1.5rem;
}

.detalhe-item,
.dado-item {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}

.detalhe-item.full-width,
.dado-item.full-width {
    grid-column: 1 / -1;
}

.detalhe-item label,
.dado-item label {
    font-weight: 600;
    color: var(--gray-800);
    font-size: 0.875rem;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    line-height: 1.4;
}

.detalhe-item span,
.dado-item span {
    font-size: 0.875rem;
    color: var(--gray-800);
    padding: 0.5rem 0.75rem;
    background: var(--gray-50);
    border-radius: var(--border-radius);
    border: 1px solid var(--gray-200);
}

.codigo-validacao {
    font-family: 'SFMono-Regular', Consolas, 'Liberation Mono', Menlo, monospace;
    font-weight: 600;
    letter-spacing: 0.1em;
}

.curso-nome {
    font-weight: 600;
    color: var(--gray-900);
}

/* ========================================
   ÁREA PÚBLICA (VALIDAÇÃO)
======================================== */

.validar-certificado-wrap {
    max-width: 600px;
    margin: 0 auto;
    padding: 2rem 1rem;
}

.validacao-form-container {
    background: white;
    padding: 3rem 2rem;
    border-radius: var(--border-radius-lg);
    box-shadow: var(--box-shadow-lg);
    text-align: center;
}

.validacao-titulo {
    margin: 0 0 2rem 0;
    font-size: 2rem;
    font-weight: 700;
    color: var(--gray-900);
    line-height: 1.2;
}

.validacao-form .form-group {
    margin-bottom: 1.5rem;
}

.codigo-input {
    font-family: 'SFMono-Regular', Consolas, 'Liberation Mono', Menlo, monospace;
    font-size: 1rem;
    text-align: center;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    padding: 1rem;
    font-weight: 600;
    background: white;
    border: 2px solid var(--gray-300);
    transition: all 0.3s ease;
}

.codigo-input:focus {
    border-color: var(--gray-400);
    box-shadow: 0 0 0 3px rgba(209, 213, 219, 0.3);
    background: white;
    transform: scale(1.02);
}

.codigo-input.error {
    border-color: var(--danger-color);
    box-shadow: 0 0 0 4px rgba(220, 38, 38, 0.1);
    background: #fef2f2;
    animation: shake 0.4s ease-in-out;
}

/* Placeholder customizado */
.codigo-input::placeholder {
    color: var(--gray-400);
    font-weight: 400;
    letter-spacing: 0.05em;
}

.btn-validar {
    padding: 0.875rem 2rem;
    font-size: 1rem;
    font-weight: 600;
}

.validacao-info {
    margin-top: 1.5rem;
    color: var(--gray-600);
}

.validacao-info small {
    font-size: 0.875rem;
}

.sr-only {
    position: absolute;
    width: 1px;
    height: 1px;
    padding: 0;
    margin: -1px;
    overflow: hidden;
    clip: rect(0, 0, 0, 0);
    white-space: nowrap;
    border: 0;
}

/* Resultado da validação */
.resultado-validacao {
    max-width: 100%;
    padding: 1rem;
}

.status-container {
    text-align: center;
    margin-bottom: 2rem;
}

.mensagem-institucional {
    background: var(--gray-50);
    border: 1px solid var(--gray-200);
    border-radius: var(--border-radius);
    padding: 1.5rem;
    margin-top: 2rem;
}

.mensagem-content {
    display: flex;
    align-items: flex-start;
    gap: 0.75rem;
}

.mensagem-content i {
    color: var(--gray-600);
    font-size: 1.25rem;
    margin-top: 0.125rem;
}

.mensagem-content p {
    margin: 0;
    font-size: 0.875rem;
    color: var(--gray-700);
    line-height: 1.6;
}

.resultado-actions {
    display: flex;
    gap: 0.75rem;
    justify-content: center;
    margin-top: 2rem;
    padding-top: 2rem;
    border-top: 1px solid var(--gray-200);
}

.resultado-actions .btn {
    min-width: 120px;
    font-weight: 500;
}

/* Mensagem de sem permissão */
.certificados-sem-permissao {
    background: #fef2f2;
    border: 1px solid #fecaca;
    border-radius: var(--border-radius);
    padding: 2rem;
    text-align: center;
    margin: 2rem 0;
}

.certificados-sem-permissao p {
    margin: 0;
    color: var(--danger-color);
    font-weight: 500;
}

/* ========================================
   ESTADOS DE LOADING E FEEDBACK
======================================== */

.loading {
    position: relative;
    pointer-events: none;
    opacity: 0.6;
}

.loading::after {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    width: 1.5rem;
    height: 1.5rem;
    border: 2px solid transparent;
    border-top-color: var(--gray-600);
    border-radius: 50%;
    animation: spin 1s linear infinite;
    transform: translate(-50%, -50%);
}

@keyframes spin {
    to {
        transform: translate(-50%, -50%) rotate(360deg);
    }
}

.success-message,
.error-message {
    padding: 0.75rem 1rem;
    border-radius: var(--border-radius);
    margin-bottom: 1rem;
    font-weight: 500;
    animation: slideInFromTop 0.4s ease-out;
    position: relative;
    overflow: hidden;
}

.success-message {
    background: #f0fdf4;
    color: var(--success-color);
    border: 1px solid #bbf7d0;
    box-shadow: 0 2px 4px rgba(22, 163, 74, 0.1);
}

.error-message {
    background: #fef2f2;
    color: var(--danger-color);
    border: 1px solid #fecaca;
    box-shadow: 0 2px 4px rgba(220, 38, 38, 0.1);
}

@keyframes slideInFromTop {
    0% {
        opacity: 0;
        transform: translateY(-20px);
    }
    100% {
        opacity: 1;
        transform: translateY(0);
    }
}

/* Pulse para mensagens importantes */
.error-message {
    animation: slideInFromTop 0.4s ease-out, pulse 1s ease-in-out 0.5s;
}

@keyframes pulse {
    0%, 100% {
        box-shadow: 0 2px 4px rgba(220, 38, 38, 0.1);
    }
    50% {
        box-shadow: 0 4px 12px rgba(220, 38, 38, 0.2);
    }
}

/* Melhorias de acessibilidade */
@media (prefers-reduced-motion: reduce) {
    * {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
    }
}


/* Estados de focus melhorados para acessibilidade */
*:focus-visible {
    outline: 2px solid var(--gray-600);
    outline-offset: 2px;
}

/* ========================================
   RESPONSIVIDADE
======================================== */

@media (max-width: 768px) {
    .certificados-admin-header {
        flex-direction: column;
        gap: 1rem;
        text-align: center;
    }
    
    .certificados-admin-header h2 {
        margin-bottom: 0;
    }
    
    .filter-group {
        flex-direction: column;
        align-items: stretch;
    }
    
    .filter-input {
        max-width: 100%;
    }
    
    .certificados-table-wrapper {
        font-size: 0.75rem;
    }
    
    .certificados-table th,
    .certificados-table td {
        padding: 0.5rem;
    }
    
    .actions-cell {
        flex-direction: column;
        gap: 0.25rem;
    }
    
    .form-grid,
    .detalhe-grid,
    .dados-grid {
        grid-template-columns: 1fr;
        gap: 1rem;
    }
    
    .form-actions,
    .modal-actions,
    .resultado-actions {
        flex-direction: column;
    }
    
    .modal-content {
        max-width: 95vw;
        margin: 1rem;
    }
    
    .modal-header,
    .modal-body {
        padding: 1rem;
    }
    
    .validacao-form-container {
        padding: 2rem 1rem;
    }
    
    .validacao-titulo {
        font-size: 1.5rem;
    }
    
    .certificados-pagination {
        flex-wrap: wrap;
        gap: 0.25rem;
    }
    
    .btn-page {
        width: 2rem;
        height: 2rem;
        font-size: 0.75rem;
    }
}

@media (max-width: 480px) {
    .validacao-titulo {
        font-size: 1.25rem;
    }
    
    .status-badge-large {
        font-size: 0.875rem;
        padding: 0.5rem 1rem;
    }
    
    .resultado-validacao {
        padding: 0.5rem;
    }
    
    .dados-grid {
        gap: 0.75rem;
    }
    
    .dado-item span,
    .detalhe-item span {
        padding: 0.5rem;
        font-size: 0.75rem;
    }
}