@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700&family=Outfit:wght@400;500;600;700;800&display=swap');

/* ==========================================================================
   SISTEMA DE DESIGN & VARIÁVEIS CSS
   ========================================================================== */
:root {
    --font-primary: 'Inter', sans-serif;
    --font-heading: 'Outfit', sans-serif;
    
    /* Cores Premium */
    --primary: #6366f1;         /* Indigo moderno */
    --primary-hover: #4f46e5;
    --primary-light: rgba(99, 102, 241, 0.1);
    --secondary: #a855f7;       /* Roxo vibrante */
    --accent: #ec4899;          /* Rosa */
    
    --success: #10b981;         /* Esmeralda */
    --success-light: rgba(16, 185, 129, 0.1);
    --danger: #ef4444;          /* Vermelho escarlate */
    --danger-light: rgba(239, 68, 68, 0.1);
    --warning: #f59e0b;         /* Âmbar */
    --warning-light: rgba(245, 158, 11, 0.1);
    
    /* Cores Neutras (Tema Claro) */
    --bg-page: #f8fafc;
    --bg-card: rgba(255, 255, 255, 0.85);
    --text-main: #1e293b;
    --text-muted: #64748b;
    --border-color: #e2e8f0;
    --input-bg: #ffffff;
    
    /* Gradientes */
    --gradient-hero: linear-gradient(135deg, #6366f1 0%, #a855f7 50%, #ec4899 100%);
    --gradient-bg: radial-gradient(circle at 50% 50%, #f1f5f9 0%, #cbd5e1 100%);
    --gradient-glass: linear-gradient(135deg, rgba(255, 255, 255, 0.9) 0%, rgba(255, 255, 255, 0.7) 100%);
    
    /* Sombras & Efeitos */
    --shadow-sm: 0 1px 3px rgba(0,0,0,0.05);
    --shadow-md: 0 4px 6px -1px rgba(0,0,0,0.05), 0 2px 4px -1px rgba(0,0,0,0.03);
    --shadow-lg: 0 10px 15px -3px rgba(99, 102, 241, 0.05), 0 4px 6px -2px rgba(99, 102, 241, 0.02);
    --shadow-glass: 0 8px 32px 0 rgba(31, 38, 135, 0.08);
    --radius-sm: 8px;
    --radius-md: 12px;
    --radius-lg: 20px;
    
    --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

/* Modo Escuro para o Backoffice (Opcional, ativado via classe) */
body.dark-theme {
    --bg-page: #0f172a;
    --bg-card: rgba(30, 41, 59, 0.7);
    --text-main: #f8fafc;
    --text-muted: #94a3b8;
    --border-color: #334155;
    --input-bg: #1e293b;
    --gradient-bg: radial-gradient(circle at 50% 50%, #0f172a 0%, #020617 100%);
    --gradient-glass: linear-gradient(135deg, rgba(30, 41, 59, 0.8) 0%, rgba(15, 23, 42, 0.8) 100%);
    --shadow-glass: 0 8px 32px 0 rgba(0, 0, 0, 0.3);
}

/* ==========================================================================
   RESETS E CONFIGURAÇÕES GERAIS
   ========================================================================== */
* {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

body {
    font-family: var(--font-primary);
    background: var(--bg-page);
    background-image: var(--gradient-bg);
    background-attachment: fixed;
    color: var(--text-main);
    line-height: 1.6;
    min-height: 100vh;
    padding: 40px 20px;
    display: flex;
    justify-content: center;
    align-items: flex-start;
    transition: var(--transition);
}

a {
    color: var(--primary);
    text-decoration: none;
    transition: var(--transition);
}

a:hover {
    color: var(--primary-hover);
    text-decoration: underline;
}

/* ==========================================================================
   ESTILOS DE CONTENTORES (GLASSMORPHISM)
   ========================================================================== */
.container {
    width: 100%;
    max-width: 900px;
    background: var(--gradient-glass);
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
    border: 1px solid rgba(255, 255, 255, 0.2);
    border-radius: var(--radius-lg);
    padding: 40px;
    box-shadow: var(--shadow-glass);
    animation: slideUp 0.6s ease-out;
}

.backoffice-container {
    max-width: 1200px;
}

.login-container {
    max-width: 450px;
    margin-top: 10vh;
}

/* ==========================================================================
   CABECALHO & LOGO A MEIO
   ========================================================================== */
.header-form {
    text-align: center;
    margin-bottom: 40px;
    display: flex;
    flex-direction: column;
    align-items: center;
}

.logo-middle {
    width: 800px;
    height: 450px;
    margin-bottom: 20px;
    animation: float 4s ease-in-out infinite;
    filter: drop-shadow(0 4px 8px rgba(99, 102, 241, 0.2));
}

.header-form h1 {
    font-family: var(--font-heading);
    font-size: 2.2rem;
    font-weight: 800;
    background: var(--gradient-hero);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    margin-bottom: 10px;
    letter-spacing: -0.5px;
}

.header-form p {
    color: var(--text-muted);
    font-size: 1.05rem;
    max-width: 500px;
}

/* ==========================================================================
   COMPONENTES DE FORMULÁRIO
   ========================================================================== */
.form-section {
    margin-bottom: 35px;
    border-bottom: 1px solid var(--border-color);
    padding-bottom: 30px;
}

.form-section:last-of-type {
    border-bottom: none;
    padding-bottom: 10px;
}

.section-title {
    font-family: var(--font-heading);
    font-size: 1.25rem;
    font-weight: 700;
    color: var(--primary);
    margin-bottom: 20px;
    display: flex;
    align-items: center;
    gap: 10px;
}

.section-title i {
    font-size: 1.1rem;
    background: var(--primary-light);
    color: var(--primary);
    padding: 8px;
    border-radius: var(--radius-sm);
}

.form-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 20px 25px;
}

.form-group {
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.form-group.full-width {
    grid-column: span 2;
}

label {
    font-size: 0.9rem;
    font-weight: 600;
    color: var(--text-main);
}

label .required {
    color: var(--danger);
    margin-left: 2px;
}

input[type="text"],
input[type="email"],
input[type="tel"],
input[type="password"],
textarea {
    width: 100%;
    padding: 12px 16px;
    font-family: var(--font-primary);
    font-size: 0.95rem;
    background: var(--input-bg);
    border: 1.5px solid var(--border-color);
    border-radius: var(--radius-sm);
    color: var(--text-main);
    transition: var(--transition);
    outline: none;
}

input[type="text"]:focus,
input[type="email"]:focus,
input[type="tel"]:focus,
input[type="password"]:focus,
textarea:focus {
    border-color: var(--primary);
    box-shadow: 0 0 0 4px rgba(99, 102, 241, 0.15);
}

/* ==========================================================================
   ZONA DE UPLOADS DE FICHEIROS (10 FICHEIROS)
   ========================================================================== */
.files-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 15px;
}

.file-upload-card {
    position: relative;
    background: var(--input-bg);
    border: 1.5px dashed var(--border-color);
    border-radius: var(--radius-sm);
    padding: 14px 18px;
    display: flex;
    align-items: center;
    gap: 15px;
    cursor: pointer;
    transition: var(--transition);
    overflow: hidden;
}

.file-upload-card:hover {
    border-color: var(--primary);
    background: var(--primary-light);
}

/* Estado de Ficheiro Selecionado */
.file-upload-card.file-selected {
    border-style: solid;
    border-color: var(--success);
    background: var(--success-light);
}

.file-upload-card.file-selected .file-icon {
    color: var(--success);
    background: rgba(16, 185, 129, 0.15);
}

.file-icon {
    font-size: 1.3rem;
    color: var(--text-muted);
    background: var(--bg-page);
    width: 42px;
    height: 42px;
    border-radius: var(--radius-sm);
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
    transition: var(--transition);
}

.file-info {
    display: flex;
    flex-direction: column;
    flex-grow: 1;
    overflow: hidden;
}

.file-label-text {
    font-size: 0.9rem;
    font-weight: 600;
    color: var(--text-main);
    white-space: normal;
    line-height: 1.4;
    word-break: break-word;
}

.file-name-text {
    font-size: 0.78rem;
    color: var(--text-muted);
    margin-top: 4px;
    white-space: nowrap;
    text-overflow: ellipsis;
    overflow: hidden;
}

/* Ocultar input real do navegador */
.file-real-input {
    position: absolute;
    width: 100%;
    height: 100%;
    top: 0;
    left: 0;
    opacity: 0;
    cursor: pointer;
}

/* ==========================================================================
   SECÇÃO DE CAPTCHA & SUBMISSÃO
   ========================================================================== */
.captcha-wrapper {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: 15px;
    margin-top: 10px;
}

.captcha-img-box {
    display: flex;
    align-items: center;
    gap: 10px;
}

.captcha-img-box img {
    border-radius: var(--radius-sm);
    box-shadow: var(--shadow-sm);
    border: 1px solid var(--border-color);
}

.btn-refresh {
    background: var(--input-bg);
    border: 1.5px solid var(--border-color);
    color: var(--text-muted);
    width: 45px;
    height: 45px;
    border-radius: var(--radius-sm);
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    transition: var(--transition);
}

.btn-refresh:hover {
    color: var(--primary);
    border-color: var(--primary);
    background: var(--primary-light);
    transform: rotate(45deg);
}

.captcha-input-box {
    flex-grow: 1;
    min-width: 180px;
}

.form-actions {
    margin-top: 30px;
    display: flex;
    justify-content: center;
}

/* Botões Modernos */
.btn-primary {
    background: var(--gradient-hero);
    color: #ffffff;
    border: none;
    padding: 14px 35px;
    font-family: var(--font-heading);
    font-size: 1.05rem;
    font-weight: 700;
    border-radius: var(--radius-sm);
    cursor: pointer;
    box-shadow: 0 4px 15px rgba(99, 102, 241, 0.3);
    transition: var(--transition);
    display: inline-flex;
    align-items: center;
    gap: 10px;
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(99, 102, 241, 0.4);
}

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

.btn-secondary {
    background: var(--input-bg);
    color: var(--text-main);
    border: 1.5px solid var(--border-color);
    padding: 10px 20px;
    font-family: var(--font-heading);
    font-size: 0.95rem;
    font-weight: 600;
    border-radius: var(--radius-sm);
    cursor: pointer;
    transition: var(--transition);
    display: inline-flex;
    align-items: center;
    gap: 8px;
}

.btn-secondary:hover {
    border-color: var(--text-muted);
    background: var(--bg-page);
}

.btn-danger {
    background: var(--danger);
    color: #ffffff;
    border: none;
    padding: 8px 15px;
    font-size: 0.85rem;
    font-weight: 600;
    border-radius: var(--radius-sm);
    cursor: pointer;
    transition: var(--transition);
    display: inline-flex;
    align-items: center;
    gap: 6px;
}

.btn-danger:hover {
    background: #dc2626;
    box-shadow: 0 4px 10px rgba(239, 68, 68, 0.2);
}

/* ==========================================================================
   ALERTAS E FEEDBACK VISUAL
   ========================================================================== */
.alert {
    padding: 15px 20px;
    border-radius: var(--radius-sm);
    margin-bottom: 25px;
    display: flex;
    align-items: center;
    gap: 15px;
    font-size: 0.95rem;
    border-left: 5px solid;
    animation: fadeIn 0.4s ease;
}

.alert-success {
    background: var(--success-light);
    color: #065f46;
    border-left-color: var(--success);
}

.alert-danger {
    background: var(--danger-light);
    color: #991b1b;
    border-left-color: var(--danger);
}

/* ==========================================================================
   ESTILOS DO BACKOFFICE
   ========================================================================== */
.backoffice-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    border-bottom: 1px solid var(--border-color);
    padding-bottom: 20px;
    margin-bottom: 30px;
    flex-wrap: wrap;
    gap: 20px;
}

.backoffice-title-area h1 {
    font-family: var(--font-heading);
    font-size: 1.8rem;
    font-weight: 800;
    color: var(--text-main);
}

.backoffice-title-area p {
    color: var(--text-muted);
    font-size: 0.9rem;
}

.backoffice-actions {
    display: flex;
    align-items: center;
    gap: 12px;
}

/* Área de pesquisa e filtros do Dashboard */
.dashboard-controls {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 20px;
    gap: 15px;
    flex-wrap: wrap;
}

.search-box {
    position: relative;
    max-width: 350px;
    width: 100%;
}

.search-box input {
    width: 100%;
    padding: 10px 15px 10px 40px;
    font-size: 0.9rem;
}

.search-box i {
    position: absolute;
    left: 15px;
    top: 50%;
    transform: translateY(-50%);
    color: var(--text-muted);
}

/* Tabelas Premium */
.table-responsive {
    width: 100%;
    overflow-x: auto;
    border-radius: var(--radius-md);
    border: 1px solid var(--border-color);
    box-shadow: var(--shadow-sm);
    background: var(--input-bg);
}

table {
    width: 100%;
    border-collapse: collapse;
    text-align: left;
    font-size: 0.92rem;
}

th {
    background: var(--bg-page);
    color: var(--text-main);
    font-weight: 700;
    font-family: var(--font-heading);
    padding: 16px 20px;
    border-bottom: 2px solid var(--border-color);
    text-transform: uppercase;
    font-size: 0.75rem;
    letter-spacing: 0.5px;
}

td {
    padding: 16px 20px;
    border-bottom: 1px solid var(--border-color);
    color: var(--text-main);
    transition: var(--transition);
}

tr:last-child td {
    border-bottom: none;
}

tr:hover td {
    background: rgba(99, 102, 241, 0.02);
}

/* Badges e Elementos de Tabela */
.badge {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 4px 8px;
    border-radius: 9999px;
    font-size: 0.75rem;
    font-weight: 700;
    line-height: 1;
}

.badge-primary {
    background: var(--primary-light);
    color: var(--primary);
}

.badge-success {
    background: var(--success-light);
    color: var(--success);
}

.badge-info {
    background: rgba(59, 130, 246, 0.1);
    color: #2563eb;
}

/* Ficheiros anexados no detalhe */
.attachment-link {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    background: var(--bg-page);
    padding: 6px 12px;
    border-radius: var(--radius-sm);
    font-size: 0.8rem;
    font-weight: 500;
    color: var(--text-main);
    border: 1px solid var(--border-color);
    margin: 3px;
    transition: var(--transition);
}

.attachment-link:hover {
    border-color: var(--primary);
    background: var(--primary-light);
    color: var(--primary);
    text-decoration: none;
    transform: translateY(-1px);
}

/* Paginação */
.pagination {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 5px;
    margin-top: 25px;
}

.page-item {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 36px;
    height: 36px;
    border-radius: var(--radius-sm);
    border: 1.5px solid var(--border-color);
    background: var(--input-bg);
    color: var(--text-main);
    font-weight: 600;
    font-size: 0.9rem;
    transition: var(--transition);
}

.page-item:hover {
    border-color: var(--primary);
    color: var(--primary);
    background: var(--primary-light);
}

.page-item.active {
    background: var(--gradient-hero);
    color: #ffffff;
    border: none;
    box-shadow: 0 2px 8px rgba(99, 102, 241, 0.25);
}

.page-item.disabled {
    opacity: 0.5;
    pointer-events: none;
}

/* Rodapé */
.footer-text {
    text-align: center;
    margin-top: 30px;
    color: var(--text-muted);
    font-size: 0.85rem;
}

.dashboard-empty {
    text-align: center;
    padding: 50px 20px;
    color: var(--text-muted);
}

.dashboard-empty i {
    font-size: 3rem;
    color: var(--border-color);
    margin-bottom: 15px;
}

/* ==========================================================================
   MODAIS / SECÇÕES DE DETALHE FLUTUANTE
   ========================================================================== */
.modal-overlay {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(15, 23, 42, 0.6);
    backdrop-filter: blur(4px);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 1000;
    opacity: 0;
    pointer-events: none;
    transition: var(--transition);
}

.modal-overlay.active {
    opacity: 1;
    pointer-events: all;
}

.modal-content {
    background: var(--gradient-glass);
    border: 1px solid rgba(255, 255, 255, 0.2);
    border-radius: var(--radius-md);
    width: 90%;
    max-width: 700px;
    padding: 30px;
    box-shadow: var(--shadow-glass);
    max-height: 85vh;
    overflow-y: auto;
    transform: scale(0.95);
    transition: var(--transition);
}

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

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

.modal-close {
    background: none;
    border: none;
    font-size: 1.2rem;
    cursor: pointer;
    color: var(--text-muted);
    transition: var(--transition);
}

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

/* ==========================================================================
   ANIMAÇÕES E RESPONSIVIDADE
   ========================================================================== */
@keyframes fadeIn {
    from { opacity: 0; transform: translateY(-5px); }
    to { opacity: 1; transform: translateY(0); }
}

@keyframes slideUp {
    from { opacity: 0; transform: translateY(25px); }
    to { opacity: 1; transform: translateY(0); }
}

@keyframes float {
    0% { transform: translateY(0px); }
    50% { transform: translateY(-8px); }
    100% { transform: translateY(0px); }
}

/* Responsividade Geral */
@media (max-width: 768px) {
    body {
        padding: 20px 10px;
    }
    
    .container {
        padding: 25px 15px;
    }
    
    .form-grid {
        grid-template-columns: 1fr;
    }
    
    .form-group.full-width {
        grid-column: span 1;
    }
    
    .header-form h1 {
        font-size: 1.8rem;
    }
    
    .backoffice-header {
        flex-direction: column;
        align-items: flex-start;
    }
}