:root {
    --cor-primaria: #2563eb;
    --cor-primaria-escura: #1d4ed8;
    --cor-sucesso: #16a34a;
    --cor-aviso: #d97706;
    --cor-erro: #dc2626;
    --cor-fundo: #f1f5f9;
    --cor-card: #ffffff;
    --cor-texto: #1e293b;
    --cor-texto-suave: #64748b;
    --cor-borda: #e2e8f0;
    --sombra: 0 1px 3px rgba(0,0,0,0.1);
    --raio: 8px;
}

* { margin: 0; padding: 0; box-sizing: border-box; }

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    background: var(--cor-fundo);
    color: var(--cor-texto);
    line-height: 1.5;
    min-height: 100vh;
    display: flex;
    flex-direction: column;
}

/* Login */
.login-page {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    min-height: 100vh;
    background: linear-gradient(135deg, #1e3a5f 0%, #2563eb 100%);
}

.login-page .site-footer {
    width: 100%;
    background: transparent;
    border-top: none;
    color: rgba(255, 255, 255, 0.45);
    margin-top: auto;
    padding-bottom: 1rem;
}

.login-page .site-footer a {
    color: rgba(255, 255, 255, 0.55);
}

.login-page .site-footer a:hover {
    color: rgba(255, 255, 255, 0.75);
}

.login-page .site-footer strong {
    color: rgba(255, 255, 255, 0.55);
    font-weight: 500;
}

.login-card {
    background: var(--cor-card);
    padding: 2.5rem;
    border-radius: 12px;
    box-shadow: 0 20px 60px rgba(0,0,0,0.3);
    width: 100%;
    max-width: 400px;
}

.login-header {
    text-align: center;
    margin-bottom: 2rem;
}

.login-header svg { color: var(--cor-primaria); margin-bottom: 1rem; }
.login-header h1 { font-size: 1.5rem; margin-bottom: 0.25rem; }
.login-header p { color: var(--cor-texto-suave); }

.login-form { margin-bottom: 1.5rem; }
.login-hint { text-align: center; font-size: 0.85rem; color: var(--cor-texto-suave); }

/* Navbar */
.navbar {
    background: var(--cor-card);
    border-bottom: 1px solid var(--cor-borda);
    padding: 0 1.5rem;
    display: flex;
    align-items: center;
    height: 60px;
    position: sticky;
    top: 0;
    z-index: 100;
    box-shadow: var(--sombra);
}

.nav-brand {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-weight: 700;
    font-size: 1.1rem;
    color: var(--cor-primaria);
    margin-right: 2rem;
}

.nav-brand svg { flex-shrink: 0; }

.nav-links {
    display: flex;
    list-style: none;
    gap: 0.25rem;
    flex: 1;
}

.nav-links a {
    text-decoration: none;
    color: var(--cor-texto-suave);
    padding: 0.5rem 1rem;
    border-radius: var(--raio);
    font-size: 0.9rem;
    font-weight: 500;
    transition: all 0.15s;
}

.nav-links a:hover { background: var(--cor-fundo); color: var(--cor-texto); }
.nav-links a.active { background: #eff6ff; color: var(--cor-primaria); }

.nav-user {
    display: flex;
    align-items: center;
    gap: 1rem;
    font-size: 0.9rem;
    color: var(--cor-texto-suave);
}

/* Layout */
.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 1.5rem;
    flex: 1;
    width: 100%;
}

.page-header { margin-bottom: 1.5rem; }
.page-header h1 { font-size: 1.75rem; }

.back-link {
    display: inline-block;
    color: var(--cor-primaria);
    text-decoration: none;
    margin-bottom: 1rem;
    font-size: 0.9rem;
}

.back-link:hover { text-decoration: underline; }

.grid-2 {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 1.5rem;
    margin-bottom: 1.5rem;
}

@media (max-width: 768px) {
    .grid-2 { grid-template-columns: 1fr; }
    .nav-links { display: none; }
}

/* Cards */
.card {
    background: var(--cor-card);
    border-radius: var(--raio);
    padding: 1.5rem;
    box-shadow: var(--sombra);
    border: 1px solid var(--cor-borda);
}

.card-destaque {
    border-color: var(--cor-primaria);
    border-width: 2px;
}

.card-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 1.25rem;
    padding-bottom: 0.75rem;
    border-bottom: 1px solid var(--cor-borda);
}

.card-header h2 { font-size: 1.1rem; }

/* Stats */
.stats-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 1rem;
    margin-bottom: 1.5rem;
}

@media (max-width: 768px) {
    .stats-grid { grid-template-columns: repeat(2, 1fr); }
}

.stat-card {
    background: var(--cor-card);
    padding: 1.25rem;
    border-radius: var(--raio);
    box-shadow: var(--sombra);
    border: 1px solid var(--cor-borda);
    text-align: center;
}

.stat-number { font-size: 2rem; font-weight: 700; color: var(--cor-primaria); }
.stat-label { font-size: 0.85rem; color: var(--cor-texto-suave); margin-top: 0.25rem; }
.stat-pendente .stat-number { color: var(--cor-aviso); }
.stat-entregue .stat-number { color: var(--cor-sucesso); }

/* Forms */
.form-group { margin-bottom: 1rem; }

.form-group label {
    display: block;
    font-size: 0.85rem;
    font-weight: 600;
    margin-bottom: 0.35rem;
    color: var(--cor-texto);
}

.form-group input,
.form-group select,
.form-group textarea {
    width: 100%;
    padding: 0.6rem 0.75rem;
    border: 1px solid var(--cor-borda);
    border-radius: var(--raio);
    font-size: 0.95rem;
    transition: border-color 0.15s;
    background: white;
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--cor-primaria);
    box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.1);
}

.form-hint {
    display: block;
    margin-top: 0.35rem;
    font-size: 0.8rem;
    color: var(--cor-texto-suave);
}

.form-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 1rem;
}

.form-inline {
    display: flex;
    gap: 1rem;
    align-items: flex-end;
    flex-wrap: wrap;
}

.form-inline .form-group { flex: 1; min-width: 150px; margin-bottom: 0; }

.form-actions { margin-top: 1.5rem; text-align: right; }

.checkbox-label {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-size: 0.9rem;
    cursor: pointer;
}

.checkbox-label input { width: auto; }

/* Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 0.6rem 1.25rem;
    border: none;
    border-radius: var(--raio);
    font-size: 0.9rem;
    font-weight: 600;
    cursor: pointer;
    text-decoration: none;
    transition: all 0.15s;
    gap: 0.5rem;
}

.btn-primary { background: var(--cor-primaria); color: white; }
.btn-primary:hover { background: var(--cor-primaria-escura); }

.btn-outline {
    background: transparent;
    color: var(--cor-texto);
    border: 1px solid var(--cor-borda);
}

.btn-outline:hover { background: var(--cor-fundo); }

.btn-danger {
    background: #fef2f2;
    color: #b91c1c;
    border: 1px solid #fecaca;
}

.btn-danger:hover {
    background: #fee2e2;
    color: #991b1b;
}

.btn-sm { padding: 0.35rem 0.75rem; font-size: 0.8rem; }
.btn-lg { padding: 0.75rem 2rem; font-size: 1rem; }
.btn-block { width: 100%; }

/* Table */
.table {
    width: 100%;
    border-collapse: collapse;
    font-size: 0.9rem;
}

.table th {
    text-align: left;
    padding: 0.75rem;
    border-bottom: 2px solid var(--cor-borda);
    font-weight: 600;
    color: var(--cor-texto-suave);
    font-size: 0.8rem;
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

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

.table tr.row-selected { background: #eff6ff; }
.table tr.row-selected:hover { background: #dbeafe; }


.actions { white-space: nowrap; }

/* Badges */
.badge {
    display: inline-block;
    padding: 0.2rem 0.6rem;
    border-radius: 999px;
    font-size: 0.75rem;
    font-weight: 600;
}

.badge-lg { font-size: 0.85rem; padding: 0.35rem 0.85rem; }
.badge-rascunho { background: #f1f5f9; color: #64748b; }
.badge-pendente { background: #fef3c7; color: #92400e; }
.badge-entregue { background: #dcfce7; color: #166534; }

/* Alerts */
.alert {
    padding: 0.85rem 1rem;
    border-radius: var(--raio);
    margin-bottom: 1rem;
    font-size: 0.9rem;
}

.alert-sucesso { background: #dcfce7; color: #166534; border: 1px solid #bbf7d0; }
.alert-erro { background: #fef2f2; color: #991b1b; border: 1px solid #fecaca; }

/* Filtros */
.filtros {
    display: flex;
    gap: 0.5rem;
    margin-bottom: 1rem;
    flex-wrap: wrap;
}

/* Locais */
.locais-list { display: flex; flex-direction: column; gap: 0.75rem; }

.local-item {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    padding: 1rem;
    background: var(--cor-fundo);
    border-radius: var(--raio);
    border: 1px solid var(--cor-borda);
}

.local-item.inactivo { opacity: 0.5; }
.local-info p { margin: 0.25rem 0; color: var(--cor-texto-suave); font-size: 0.9rem; }
.local-actions { display: flex; gap: 0.5rem; flex-shrink: 0; }

/* Guia */
.guia-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 1.5rem;
    gap: 1rem;
    flex-wrap: wrap;
}

.guia-header-accoes {
    display: flex;
    gap: 0.5rem;
    flex-wrap: wrap;
}

.guia-header h2 { font-size: 1.5rem; margin-right: 1rem; display: inline; }

.info-list {
    display: grid;
    grid-template-columns: 140px 1fr;
    gap: 0.5rem 1rem;
    font-size: 0.9rem;
}

.info-list dt { color: var(--cor-texto-suave); font-weight: 600; }
.info-list dd { margin: 0; }

/* Artigos na guia */
.artigo-linha {
    display: grid;
    grid-template-columns: 1fr auto auto;
    gap: 1rem;
    align-items: end;
    margin-bottom: 0.75rem;
    padding: 0.75rem;
    background: var(--cor-fundo);
    border-radius: var(--raio);
}

.quantidade-group {
    display: flex;
    align-items: end;
    gap: 0.5rem;
}

.quantidade-group input { width: 80px; }
.unidade-label { font-size: 0.85rem; color: var(--cor-texto-suave); padding-bottom: 0.6rem; }

/* Upload */
.upload-area {
    position: relative;
    border: 2px dashed var(--cor-borda);
    border-radius: var(--raio);
    padding: 2rem;
    text-align: center;
    cursor: pointer;
    transition: border-color 0.15s;
    overflow: hidden;
}

.upload-area:hover { border-color: var(--cor-primaria); }
.upload-area input[type="file"] {
    position: absolute;
    inset: 0;
    opacity: 0;
    cursor: pointer;
}

.upload-placeholder svg { color: var(--cor-texto-suave); margin-bottom: 0.5rem; }
.upload-placeholder p { color: var(--cor-texto); font-weight: 500; }
.upload-placeholder small { color: var(--cor-texto-suave); }

.upload-preview {
    max-width: 100%;
    max-height: 300px;
    border-radius: var(--raio);
}

.comprovativo-view img {
    max-width: 100%;
    max-height: 500px;
    border-radius: var(--raio);
    box-shadow: var(--sombra);
}

/* Empty state */
.empty-state {
    text-align: center;
    padding: 2rem;
    color: var(--cor-texto-suave);
}

.empty-state a { color: var(--cor-primaria); }

hr {
    border: none;
    border-top: 1px solid var(--cor-borda);
    margin: 1.25rem 0;
}

.form-inline-block h3 {
    font-size: 0.95rem;
    margin-bottom: 1rem;
    color: var(--cor-texto-suave);
}

/* Artigos - novo layout */
.artigos-page { display: flex; flex-direction: column; gap: 1.25rem; }

.artigos-resumo {
    display: flex;
    gap: 1rem;
    flex-wrap: wrap;
}

.resumo-item {
    background: var(--cor-card);
    border: 1px solid var(--cor-borda);
    border-radius: var(--raio);
    padding: 1rem 1.5rem;
    min-width: 120px;
    box-shadow: var(--sombra);
}

.resumo-numero {
    display: block;
    font-size: 1.75rem;
    font-weight: 700;
    color: var(--cor-primaria);
    line-height: 1.2;
}

.resumo-label {
    font-size: 0.8rem;
    color: var(--cor-texto-suave);
    text-transform: uppercase;
    letter-spacing: 0.04em;
}

.resumo-activo .resumo-numero { color: var(--cor-sucesso); }
.resumo-inactivo .resumo-numero { color: var(--cor-texto-suave); }

.artigos-toolbar {
    display: flex;
    align-items: center;
    gap: 1rem;
    flex-wrap: wrap;
    background: var(--cor-card);
    border: 1px solid var(--cor-borda);
    border-radius: var(--raio);
    padding: 1rem;
    box-shadow: var(--sombra);
}

.toolbar-pesquisa {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    flex: 1;
    min-width: 220px;
    background: var(--cor-fundo);
    border: 1px solid var(--cor-borda);
    border-radius: var(--raio);
    padding: 0.5rem 0.75rem;
}

.toolbar-pesquisa svg { color: var(--cor-texto-suave); flex-shrink: 0; }

.toolbar-pesquisa input {
    border: none;
    background: transparent;
    width: 100%;
    font-size: 0.95rem;
    outline: none;
}

.filtros-artigos {
    display: flex;
    gap: 0.35rem;
    background: var(--cor-fundo);
    padding: 0.25rem;
    border-radius: var(--raio);
}

.filtro-btn {
    border: none;
    background: transparent;
    padding: 0.45rem 0.85rem;
    border-radius: 6px;
    font-size: 0.85rem;
    font-weight: 600;
    color: var(--cor-texto-suave);
    cursor: pointer;
    transition: all 0.15s;
}

.filtro-btn:hover { color: var(--cor-texto); }
.filtro-btn.active {
    background: var(--cor-card);
    color: var(--cor-primaria);
    box-shadow: var(--sombra);
}

.artigos-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
    gap: 1rem;
}

.artigo-card {
    background: var(--cor-card);
    border: 1px solid var(--cor-borda);
    border-radius: var(--raio);
    padding: 1.25rem;
    box-shadow: var(--sombra);
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
    transition: border-color 0.15s, box-shadow 0.15s;
}

.artigo-card:hover {
    border-color: #bfdbfe;
    box-shadow: 0 4px 12px rgba(37, 99, 235, 0.08);
}

.artigo-card[data-editando="1"] {
    border-color: var(--cor-primaria);
    box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.15);
}

.artigo-inactivo { opacity: 0.65; }

.artigo-card-topo {
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 0.5rem;
}

.artigo-codigo {
    font-size: 0.8rem;
    font-weight: 700;
    color: var(--cor-primaria);
    background: #eff6ff;
    padding: 0.2rem 0.55rem;
    border-radius: 4px;
    letter-spacing: 0.03em;
}

.artigo-descricao {
    font-size: 0.95rem;
    font-weight: 600;
    line-height: 1.4;
    flex: 1;
    word-break: break-word;
}

.artigo-meta {
    font-size: 0.85rem;
    color: var(--cor-texto-suave);
}

.artigo-unidade::before {
    content: 'Unidade: ';
    font-weight: 600;
}

.artigo-accoes {
    display: flex;
    gap: 0.5rem;
    margin-top: auto;
    padding-top: 0.5rem;
    border-top: 1px solid var(--cor-borda);
}

.artigo-accoes form { margin: 0; }

.artigos-vazio {
    text-align: center;
    padding: 2.5rem;
}

.artigos-sem-resultados {
    text-align: center;
    color: var(--cor-texto-suave);
    padding: 2rem;
}

/* Modal */
body.modal-aberta { overflow: hidden; }

.modal-overlay {
    position: fixed;
    inset: 0;
    background: rgba(15, 23, 42, 0.5);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 200;
    padding: 1rem;
}

.modal-overlay[hidden] { display: none; }

.modal-panel {
    background: var(--cor-card);
    border-radius: 12px;
    width: 100%;
    max-width: 480px;
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.25);
    animation: modalEntrada 0.2s ease;
}

@keyframes modalEntrada {
    from { opacity: 0; transform: translateY(-12px); }
    to { opacity: 1; transform: translateY(0); }
}

.modal-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1.25rem 1.5rem;
    border-bottom: 1px solid var(--cor-borda);
}

.modal-header h2 { font-size: 1.15rem; }

.modal-fechar {
    border: none;
    background: transparent;
    font-size: 1.5rem;
    line-height: 1;
    color: var(--cor-texto-suave);
    cursor: pointer;
    padding: 0.25rem 0.5rem;
    border-radius: 4px;
}

.modal-fechar:hover { background: var(--cor-fundo); color: var(--cor-texto); }

.modal-panel form { padding: 1.5rem; }

.modal-accoes {
    display: flex;
    justify-content: flex-end;
    gap: 0.75rem;
    margin-top: 0.5rem;
}

@media (max-width: 768px) {
    .artigos-toolbar { flex-direction: column; align-items: stretch; }
    .filtros-artigos { justify-content: center; }
    .artigos-grid { grid-template-columns: 1fr; }
}

/* Footer */
.site-footer {
    background: transparent;
    border-top: none;
    padding: 0.5rem 1rem 1rem;
    margin-top: auto;
    text-align: center;
}

.footer-content {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    flex-wrap: wrap;
    font-size: 0.72rem;
    color: #94a3b8;
    text-align: center;
    letter-spacing: 0.01em;
}

.footer-content a {
    color: #94a3b8;
    text-decoration: none;
    font-weight: 400;
}

.footer-content a:hover {
    color: #64748b;
    text-decoration: underline;
}

.footer-content strong {
    font-weight: 500;
    color: #94a3b8;
}

.footer-sep {
    color: #cbd5e1;
    font-size: 0.65rem;
}

@media (max-width: 600px) {
    .footer-content {
        flex-direction: column;
        gap: 0.2rem;
    }

    .footer-sep {
        display: none;
    }
}

/* Utilizadores */
.utilizadores-page {
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.utilizadores-toolbar {
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 1rem;
    flex-wrap: wrap;
}

.toolbar-info {
    color: var(--cor-texto-suave);
    font-size: 0.9rem;
}

/* Relatórios */
.relatorios-page {
    display: flex;
    flex-direction: column;
    gap: 1.25rem;
}

.relatorios-filtros {
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 1rem;
    flex-wrap: wrap;
}

.relatorios-form-filtros {
    display: flex;
    align-items: flex-end;
    gap: 1rem;
    flex-wrap: wrap;
}

.relatorios-form-filtros .form-group {
    margin-bottom: 0;
    min-width: 140px;
}

.relatorios-periodo {
    font-size: 0.9rem;
    color: var(--cor-texto-suave);
}

.relatorios-stats {
    margin-bottom: 0;
}

.relatorio-cliente .card-header h2 {
    font-size: 1.15rem;
}

.relatorio-local {
    padding: 1rem 0;
    border-top: 1px solid var(--cor-borda);
}

.relatorio-local:first-of-type {
    border-top: none;
    padding-top: 0;
}

.relatorio-local-header {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    gap: 1rem;
    margin-bottom: 0.75rem;
}

.relatorio-local-header h3 {
    font-size: 1rem;
    margin-bottom: 0.15rem;
}

.relatorio-local-header p {
    font-size: 0.85rem;
    color: var(--cor-texto-suave);
}

.relatorio-local-meta {
    font-size: 0.8rem;
    color: var(--cor-texto-suave);
    white-space: nowrap;
}

.relatorio-tabela {
    font-size: 0.88rem;
}

@media (max-width: 768px) {
    .relatorios-filtros {
        flex-direction: column;
        align-items: stretch;
    }

    .relatorios-form-filtros {
        width: 100%;
    }

    .relatorio-local-header {
        flex-direction: column;
    }
}

@media print {
    .navbar,
    .relatorios-filtros,
    .page-header,
    .site-footer {
        display: none !important;
    }

    .container {
        max-width: 100%;
        padding: 0;
    }

    .card {
        box-shadow: none;
        border: 1px solid #ddd;
        break-inside: avoid;
    }
}