/* ==============================================================================
   PIRILAMPO DT — ENTERPRISE CLASS INTELLIGENCE PLATFORM
   DESIGN SYSTEM STITCH TOKENS & STYLESHEET
   ============================================================================== */

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

:root {
  /* Color Tokens */
  --bg-main: #F8FAFC;
  --bg-surface: #FFFFFF;
  --bg-surface-elevated: #F1F5F9;
  --bg-sidebar: #0F172A;
  --text-sidebar: #94A3B8;
  --text-sidebar-active: #FFFFFF;
  
  --primary: #2563EB;
  --primary-hover: #1D4ED8;
  --primary-light: #EFF6FF;
  
  --text-main: #0F172A;
  --text-muted: #64748B;
  --border-color: #E2E8F0;
  
  /* Status Colors */
  --color-success: #10B981;
  --color-success-bg: #ECFDF5;
  --color-warning: #F59E0B;
  --color-warning-bg: #FFFBEB;
  --color-danger: #EF4444;
  --color-danger-bg: #FEF2F2;
  --color-info: #3B82F6;
  --color-info-bg: #EFF6FF;

  /* Typography */
  --font-main: 'Inter', system-ui, -apple-system, sans-serif;
  --font-mono: 'Geist', monospace;

  /* Elevation */
  --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
  --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
  --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -2px rgba(0, 0, 0, 0.05);
  --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.1), 0 10px 10px -5px rgba(0, 0, 0, 0.04);

  --radius-sm: 6px;
  --radius-md: 10px;
  --radius-lg: 16px;
}

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

body {
  font-family: var(--font-main);
  background-color: var(--bg-main);
  color: var(--text-main);
  line-height: 1.5;
  -webkit-font-smoothing: antialiased;
}

/* App Layout */
.app-container {
  display: flex;
  min-height: 100vh;
}

/* Sidebar */
.sidebar {
  width: 260px;
  background-color: var(--bg-sidebar);
  color: var(--text-sidebar);
  display: flex;
  flex-direction: column;
  flex-shrink: 0;
  transition: all 0.3s ease;
  z-index: 100;
}

.sidebar-header {
  padding: 24px 20px;
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
}

.brand-logo {
  display: flex;
  align-items: center;
  gap: 12px;
}

.brand-icon {
  width: 38px;
  height: 38px;
  background: linear-gradient(135deg, #3B82F6, #1D4ED8);
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  color: white;
  font-weight: 700;
  font-size: 18px;
  box-shadow: 0 4px 12px rgba(37, 99, 235, 0.4);
}

.brand-title {
  color: #FFFFFF;
  font-weight: 700;
  font-size: 18px;
  letter-spacing: -0.02em;
}

.brand-subtitle {
  font-size: 11px;
  color: #64748B;
  text-transform: uppercase;
  letter-spacing: 0.08em;
}

.sidebar-nav {
  padding: 16px 12px;
  flex: 1;
  overflow-y: auto;
}

.nav-group-title {
  font-size: 11px;
  font-weight: 600;
  text-transform: uppercase;
  color: #475569;
  letter-spacing: 0.08em;
  padding: 12px 12px 6px 12px;
}

.nav-item {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 10px 14px;
  color: var(--text-sidebar);
  text-decoration: none;
  border-radius: var(--radius-sm);
  font-size: 14px;
  font-weight: 500;
  transition: all 0.2s ease;
  margin-bottom: 2px;
}

.nav-item:hover {
  background-color: rgba(255, 255, 255, 0.06);
  color: #FFFFFF;
}

.nav-item.active {
  background-color: var(--primary);
  color: #FFFFFF;
  font-weight: 600;
  box-shadow: 0 4px 12px rgba(37, 99, 235, 0.3);
}

.nav-item svg {
  width: 18px;
  height: 18px;
}

/* Main Content Area */
.main-wrapper {
  flex: 1;
  display: flex;
  flex-direction: column;
  min-width: 0;
}

/* Top Header */
.top-header {
  height: 70px;
  background-color: var(--bg-surface);
  border-bottom: 1px solid var(--border-color);
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 32px;
  position: sticky;
  top: 0;
  z-index: 90;
}

.header-search {
  position: relative;
  width: 380px;
}

.search-input {
  width: 100%;
  padding: 10px 16px 10px 40px;
  background-color: var(--bg-main);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  font-size: 14px;
  color: var(--text-main);
  outline: none;
  transition: all 0.2s;
}

.search-input:focus {
  border-color: var(--primary);
  box-shadow: 0 0 0 3px var(--primary-light);
}

.search-icon {
  position: absolute;
  left: 14px;
  top: 50%;
  transform: translateY(-50%);
  color: var(--text-muted);
  width: 18px;
  height: 18px;
}

.keyboard-shortcut {
  position: absolute;
  right: 12px;
  top: 50%;
  transform: translateY(-50%);
  background: var(--bg-surface);
  border: 1px solid var(--border-color);
  padding: 2px 6px;
  border-radius: 4px;
  font-size: 11px;
  font-family: var(--font-mono);
  color: var(--text-muted);
}

.header-controls {
  display: flex;
  align-items: center;
  gap: 16px;
}

.selector-pill {
  background: var(--bg-main);
  border: 1px solid var(--border-color);
  padding: 6px 14px;
  border-radius: 20px;
  font-size: 13px;
  font-weight: 600;
  color: var(--text-main);
  display: flex;
  align-items: center;
  gap: 8px;
}

.notification-btn {
  position: relative;
  background: var(--bg-main);
  border: 1px solid var(--border-color);
  width: 40px;
  height: 40px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  color: var(--text-muted);
  transition: all 0.2s;
}

.notification-btn:hover {
  background: var(--bg-surface-elevated);
  color: var(--text-main);
}

.notification-badge {
  position: absolute;
  top: -2px;
  right: -2px;
  background: var(--color-danger);
  color: white;
  font-size: 10px;
  font-weight: 700;
  width: 18px;
  height: 18px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  border: 2px solid var(--bg-surface);
}

/* User Profile Badge */
.user-badge {
  display: flex;
  align-items: center;
  gap: 12px;
  padding-left: 12px;
  border-left: 1px solid var(--border-color);
}

.user-avatar {
  width: 38px;
  height: 38px;
  border-radius: 50%;
  background: #E2E8F0;
  object-fit: cover;
}

.user-info {
  display: flex;
  flex-direction: column;
}

.user-name {
  font-size: 14px;
  font-weight: 600;
  color: var(--text-main);
}

.user-role {
  font-size: 12px;
  color: var(--text-muted);
}

/* Page Content */
.content-area {
  padding: 32px;
  flex: 1;
}

/* Hero Section */
.hero-card {
  background: linear-gradient(135deg, #0F172A 0%, #1E293B 100%);
  color: #FFFFFF;
  border-radius: var(--radius-lg);
  padding: 32px;
  margin-bottom: 32px;
  box-shadow: var(--shadow-lg);
  position: relative;
  overflow: hidden;
}

.hero-card::after {
  content: '';
  position: absolute;
  right: -50px;
  top: -50px;
  width: 300px;
  height: 300px;
  background: radial-gradient(circle, rgba(37, 99, 235, 0.2) 0%, rgba(0,0,0,0) 70%);
  pointer-events: none;
}

.hero-header {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  margin-bottom: 24px;
}

.hero-title-group h1 {
  font-size: 32px;
  font-weight: 700;
  letter-spacing: -0.02em;
}

.hero-title-group p {
  color: #94A3B8;
  font-size: 15px;
  margin-top: 4px;
}

.hero-stats-row {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(140px, 1fr));
  gap: 20px;
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  padding-top: 24px;
}

.hero-stat-item {
  display: flex;
  flex-direction: column;
}

.hero-stat-value {
  font-size: 24px;
  font-weight: 700;
  font-family: var(--font-mono);
}

.hero-stat-label {
  font-size: 12px;
  color: #94A3B8;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  margin-top: 2px;
}

/* KPI Cards Grid */
.kpi-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 24px;
  margin-bottom: 32px;
}

.kpi-card {
  background-color: var(--bg-surface);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  padding: 24px;
  box-shadow: var(--shadow-sm);
  transition: all 0.2s;
}

.kpi-card:hover {
  box-shadow: var(--shadow-md);
  transform: translateY(-2px);
}

.kpi-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 12px;
}

.kpi-title {
  font-size: 12px;
  font-weight: 600;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.kpi-value {
  font-size: 32px;
  font-weight: 700;
  font-family: var(--font-mono);
  color: var(--text-main);
}

.kpi-diff {
  font-size: 13px;
  font-weight: 600;
  display: inline-flex;
  align-items: center;
  gap: 4px;
  margin-top: 6px;
}

.kpi-diff.up { color: var(--color-success); }
.kpi-diff.down { color: var(--color-danger); }

/* Section Grid Layouts */
.dashboard-grid {
  display: grid;
  grid-template-columns: 2fr 1fr;
  gap: 32px;
  margin-bottom: 32px;
}

.card {
  background-color: var(--bg-surface);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  padding: 24px;
  box-shadow: var(--shadow-sm);
  margin-bottom: 32px;
}

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

.card-title {
  font-size: 18px;
  font-weight: 700;
  color: var(--text-main);
  display: flex;
  align-items: center;
  gap: 8px;
}

/* Student Health Grid (Mapa de Saúde) */
.health-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
  gap: 16px;
}

.student-card {
  background: var(--bg-surface);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  padding: 16px;
  display: flex;
  flex-direction: column;
  gap: 10px;
  cursor: pointer;
  transition: all 0.2s;
  position: relative;
}

.student-card:hover {
  border-color: var(--primary);
  box-shadow: var(--shadow-md);
}

.student-card-header {
  display: flex;
  align-items: center;
  gap: 12px;
}

.student-avatar-box {
  width: 40px;
  height: 40px;
  border-radius: 50%;
  background: var(--primary-light);
  color: var(--primary);
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 700;
  font-size: 14px;
}

.student-name-box {
  display: flex;
  flex-direction: column;
}

.student-card-name {
  font-size: 14px;
  font-weight: 600;
  color: var(--text-main);
  line-height: 1.2;
}

.student-card-num {
  font-size: 12px;
  color: var(--text-muted);
}

.badge {
  display: inline-block;
  padding: 4px 10px;
  border-radius: 12px;
  font-size: 11px;
  font-weight: 600;
  text-transform: uppercase;
}

.badge-success { background: var(--color-success-bg); color: var(--color-success); }
.badge-warning { background: var(--color-warning-bg); color: var(--color-warning); }
.badge-danger { background: var(--color-danger-bg); color: var(--color-danger); }
.badge-info { background: var(--color-info-bg); color: var(--color-info); }
.badge-primary { background: var(--primary-light); color: var(--primary); }

/* Forms & Inputs System */
.form-group {
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.form-label {
  font-size: 12px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--text-muted);
}

.form-control, select.form-control, input[type="text"].form-control, input[type="date"].form-control, input[type="number"].form-control, textarea.form-control {
  width: 100%;
  padding: 10px 14px;
  background-color: var(--bg-surface);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  font-size: 14px;
  font-family: var(--font-main);
  color: var(--text-main);
  outline: none;
  transition: all 0.2s ease;
  box-shadow: 0 1px 2px rgba(0, 0, 0, 0.03);
}

.form-control:focus, select.form-control:focus, input.form-control:focus, textarea.form-control:focus {
  border-color: var(--primary);
  box-shadow: 0 0 0 3px var(--primary-light);
}

.form-control-sm {
  padding: 6px 10px;
  font-size: 13px;
  border-radius: var(--radius-sm);
}

/* Button System */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 10px 20px;
  font-size: 14px;
  font-weight: 600;
  border-radius: var(--radius-md);
  border: 1px solid transparent;
  cursor: pointer;
  transition: all 0.2s ease;
  text-decoration: none;
  font-family: var(--font-main);
  line-height: 1.4;
  outline: none;
}

.btn-primary {
  background: linear-gradient(135deg, #2563EB 0%, #1D4ED8 100%);
  color: #FFFFFF !important;
  border-color: #2563EB;
  box-shadow: 0 2px 6px rgba(37, 99, 235, 0.3);
}

.btn-primary:hover {
  background: linear-gradient(135deg, #1D4ED8 0%, #1E40AF 100%);
  box-shadow: 0 4px 12px rgba(37, 99, 235, 0.4);
  transform: translateY(-1px);
}

.btn-secondary {
  background: var(--bg-surface);
  color: var(--text-main) !important;
  border-color: var(--border-color);
}

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

.btn-success {
  background: linear-gradient(135deg, #10B981 0%, #059669 100%);
  color: #FFFFFF !important;
  border-color: #10B981;
  box-shadow: 0 2px 6px rgba(16, 185, 129, 0.3);
}

.btn-success:hover {
  background: linear-gradient(135deg, #059669 0%, #047857 100%);
  transform: translateY(-1px);
}

.btn-danger {
  background: linear-gradient(135deg, #EF4444 0%, #DC2626 100%);
  color: #FFFFFF !important;
  border-color: #EF4444;
}

.btn-sm {
  padding: 6px 12px;
  font-size: 12px;
  border-radius: var(--radius-sm);
}

/* Radio Group Component for Tasks */
.task-status-group {
  display: inline-flex;
  background: #F1F5F9;
  padding: 4px;
  border-radius: var(--radius-md);
  gap: 4px;
  border: 1px solid var(--border-color);
}

.task-status-pill {
  cursor: pointer;
  padding: 6px 14px;
  border-radius: var(--radius-sm);
  font-size: 13px;
  font-weight: 600;
  display: flex;
  align-items: center;
  gap: 6px;
  user-select: none;
  transition: all 0.15s ease;
}

.task-status-pill:hover {
  background: rgba(255,255,255,0.6);
}

.task-status-pill.realizada { color: #059669; }
.task-status-pill.nao_realizada { color: #DC2626; }
.task-status-pill.parcial { color: #D97706; }

.task-status-pill input[type="radio"] {
  width: 15px;
  height: 15px;
  cursor: pointer;
}

/* Tables */
.table-responsive {
  width: 100%;
  overflow-x: auto;
}

.table {
  width: 100%;
  border-collapse: collapse;
  text-align: left;
  font-size: 14px;
}

.table th {
  background: var(--bg-main);
  padding: 12px 16px;
  font-weight: 600;
  color: var(--text-muted);
  text-transform: uppercase;
  font-size: 11px;
  letter-spacing: 0.05em;
  border-bottom: 1px solid var(--border-color);
}

.table td {
  padding: 14px 16px;
  border-bottom: 1px solid var(--border-color);
  color: var(--text-main);
}

.table tr:hover td {
  background-color: var(--bg-main);
}

/* Modais & Drawer */
.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: all 0.3s ease;
}

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

.modal-container {
  background: var(--bg-surface);
  border-radius: var(--radius-lg);
  width: 100%;
  max-width: 600px;
  padding: 32px;
  box-shadow: var(--shadow-xl);
  transform: translateY(20px);
  transition: all 0.3s ease;
}

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

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

.modal-title {
  font-size: 20px;
  font-weight: 700;
}

.modal-close {
  background: none;
  border: none;
  font-size: 24px;
  cursor: pointer;
  color: var(--text-muted);
}

/* ==============================================================================
   RESPONSIVIDADE E ADAPTAÇÃO PARA DISPOSITIVOS MÓVEIS (TELEMÓVEIS E TABLETS)
   ============================================================================== */

/* Botão de Menu Hambúrguer para Telemóvel */
.mobile-toggle-btn {
  display: none;
  background: var(--bg-main);
  border: 1px solid var(--border-color);
  width: 40px;
  height: 40px;
  border-radius: var(--radius-md);
  align-items: center;
  justify-content: center;
  cursor: pointer;
  color: var(--text-main);
  transition: all 0.2s ease;
  margin-right: 10px;
  flex-shrink: 0;
}

.mobile-toggle-btn:hover {
  background: var(--bg-surface-elevated);
  color: var(--primary);
}

/* Fundo Escuro ao Abrir Gaveta Lateral */
.sidebar-overlay {
  position: fixed;
  top: 0;
  left: 0;
  width: 100vw;
  height: 100vh;
  background: rgba(15, 23, 42, 0.6);
  backdrop-filter: blur(4px);
  z-index: 998;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.3s ease;
}

.sidebar-overlay.active {
  opacity: 1;
  pointer-events: auto;
}

/* Coluna Fixa para Nome do Aluno na Pauta Móvel */
.sticky-col-student {
  position: sticky;
  left: 0;
  z-index: 5;
  background: var(--bg-surface) !important;
  box-shadow: 3px 0 6px rgba(0, 0, 0, 0.06);
}

th.sticky-col-student {
  background: var(--bg-main) !important;
  z-index: 6;
}

/* Barra Fixa de Acção no Rodapé para Telemóveis */
.mobile-save-bar {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 12px;
  background: var(--bg-surface);
  border-top: 1px solid var(--border-color);
  padding: 12px 16px;
  box-shadow: 0 -4px 12px rgba(0, 0, 0, 0.08);
}

@media (max-width: 992px) {
  .sidebar {
    position: fixed;
    top: 0;
    left: 0;
    height: 100vh;
    z-index: 999;
    transform: translateX(-100%);
    box-shadow: var(--shadow-xl);
  }

  .sidebar.open {
    transform: translateX(0);
  }

  .mobile-toggle-btn {
    display: inline-flex;
  }

  .top-header {
    padding: 0 16px;
    height: auto;
    min-height: 64px;
    flex-wrap: wrap;
    gap: 12px;
    padding-top: 10px;
    padding-bottom: 10px;
  }

  .header-search {
    width: 100%;
    max-width: 100%;
    order: 3;
  }

  .header-controls {
    flex-wrap: wrap;
    gap: 8px;
  }

  .content-area {
    padding: 16px !important;
  }

  .modal-container {
    max-width: 92vw;
    max-height: 88vh;
    overflow-y: auto;
    padding: 20px 16px;
    margin: 16px;
  }
}

@media (max-width: 768px) {
  /* Prevenir zoom automático em inputs no iOS/Android ao focar */
  input[type="text"],
  input[type="number"],
  input[type="date"],
  input[type="email"],
  select,
  textarea {
    font-size: 16px !important;
  }

  /* Empilhar controlos e grelhas de cartões */
  .grid-3-cols,
  div[style*="grid-template-columns: 1fr 1fr 1fr"],
  div[style*="grid-template-columns: repeat(3,"],
  div[style*="grid-template-columns: repeat(auto-fit, minmax(280px"],
  div[style*="grid-template-columns: repeat(auto-fit, minmax(260px"] {
    grid-template-columns: 1fr !important;
  }

  div[style*="grid-template-columns: 1fr 1fr"] {
    grid-template-columns: 1fr !important;
  }

  .table-responsive {
    margin-left: -16px;
    margin-right: -16px;
    padding-left: 16px;
    padding-right: 16px;
    width: calc(100% + 32px);
    -webkit-overflow-scrolling: touch;
  }

  .card {
    padding: 16px !important;
    border-radius: var(--radius-md) !important;
  }

  /* Ajuste de Botões para toque com polegar */
  .btn {
    padding: 12px 16px;
    font-size: 14px;
  }
}

/* Print Optimizations */
@media print {
  .sidebar, .top-header, .notification-btn, .keyboard-shortcut {
    display: none !important;
  }
  .main-wrapper {
    margin: 0 !important;
    padding: 0 !important;
  }
  .content-area {
    padding: 0 !important;
  }
  .card, .hero-card {
    box-shadow: none !important;
    border: 1px solid #CCC !important;
    break-inside: avoid;
  }
}