/* ==========================================================================
   PlayTrace - Design System Oficial
   Paleta: #0F172A (Deep Slate), #2563EB (Royal Blue), #10B981 (Emerald),
           #22D3EE (Cyan Trace), #E5E7EB (Silver Text), #FFFFFF (Pure White)
   Estética high-tech, contrastes auditáveis e acabamento profissional
   ========================================================================== */

@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700&family=Outfit:wght@400;500;600;700;800;900&family=JetBrains+Mono:wght@400;500;600&display=swap');

:root {
  /* Cores Base PlayTrace */
  --bg-primary: #0F172A;
  --bg-secondary: #131D34;
  --bg-card: rgba(19, 29, 52, 0.78);
  --bg-card-hover: rgba(30, 44, 76, 0.9);
  --bg-input: #0B1120;

  /* Bordas e Divisores */
  --border-subtle: #1E293B;
  --border-accent: #334155;
  --border-glow: rgba(34, 211, 238, 0.35);

  /* Acentos Oficiais PlayTrace */
  --accent-blue: #2563EB;
  --accent-blue-light: #3B82F6;
  --accent-cyan: #22D3EE;
  --accent-cyan-light: #67E8F9;
  --accent-cyan-glow: rgba(34, 211, 238, 0.25);
  --accent-emerald: #10B981;
  --accent-emerald-light: #34D399;
  --accent-emerald-glow: rgba(16, 185, 129, 0.2);
  --accent-amber: #F59E0B;
  --accent-amber-glow: rgba(245, 158, 11, 0.2);
  --accent-rose: #F43F5E;
  --accent-rose-glow: rgba(244, 63, 94, 0.2);

  /* Tipografia */
  --text-primary: #FFFFFF;
  --text-secondary: #E5E7EB;
  --text-muted: #94A3B8;
  --text-highlight: #22D3EE;

  /* Font Families */
  --font-heading: 'Outfit', sans-serif;
  --font-body: 'Inter', sans-serif;
  --font-mono: 'JetBrains Mono', monospace;

  /* Efeitos */
  --shadow-card: 0 8px 24px -6px rgba(0, 0, 0, 0.6), 0 0 0 1px var(--border-subtle);
  --shadow-glow: 0 0 25px -5px rgba(34, 211, 238, 0.35);
  --glass-blur: blur(14px);
  --transition: all 0.25s cubic-bezier(0.4, 0, 0.2, 1);
}

/* Reset Global */
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

body {
  background-color: var(--bg-primary);
  background-image: 
    radial-gradient(circle at 15% 15%, rgba(37, 99, 235, 0.12) 0%, transparent 45%),
    radial-gradient(circle at 85% 85%, rgba(34, 211, 238, 0.08) 0%, transparent 45%),
    radial-gradient(circle at 50% 50%, rgba(16, 185, 129, 0.03) 0%, transparent 60%);
  background-attachment: fixed;
  color: var(--text-primary);
  font-family: var(--font-body);
  font-size: 15px;
  line-height: 1.6;
  min-height: 100vh;
  -webkit-font-smoothing: antialiased;
}

/* Tipografia */
h1, h2, h3, h4, .brand-title {
  font-family: var(--font-heading);
  letter-spacing: -0.02em;
  font-weight: 700;
  color: var(--text-primary);
}

p {
  color: var(--text-secondary);
}

a {
  color: var(--accent-cyan-light);
  text-decoration: none;
  transition: var(--transition);
}

a:hover {
  color: #fff;
  text-shadow: 0 0 8px var(--accent-cyan);
}

code, .mono {
  font-family: var(--font-mono);
  font-size: 0.9em;
}

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

/* Barra de Navegação */
.navbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0.85rem 2rem;
  background: rgba(15, 23, 42, 0.9);
  backdrop-filter: var(--glass-blur);
  border-bottom: 1px solid var(--border-subtle);
  position: sticky;
  top: 0;
  z-index: 100;
}

.nav-brand {
  display: flex;
  align-items: center;
  gap: 0.85rem;
  cursor: pointer;
}

.brand-icon {
  width: 42px;
  height: 42px;
  border-radius: 10px;
  background: linear-gradient(135deg, rgba(37, 99, 235, 0.25), rgba(34, 211, 238, 0.15));
  border: 1px solid rgba(34, 211, 238, 0.35);
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 0 16px rgba(37, 99, 235, 0.35);
  overflow: hidden;
  transition: var(--transition);
}

.brand-icon:hover {
  border-color: var(--accent-cyan);
  box-shadow: 0 0 20px rgba(34, 211, 238, 0.5);
  transform: translateY(-1px);
}

.brand-icon img {
  width: 32px;
  height: 32px;
  object-fit: contain;
}

.brand-text h1 {
  font-size: 1.3rem;
  margin: 0;
  line-height: 1.1;
  font-weight: 800;
  background: linear-gradient(135deg, #ffffff 40%, var(--accent-cyan) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  letter-spacing: -0.02em;
}

.brand-text span {
  font-size: 0.72rem;
  color: var(--text-muted);
  letter-spacing: 0.05em;
  text-transform: uppercase;
  font-weight: 600;
}

.nav-user {
  display: flex;
  align-items: center;
  gap: 1.25rem;
}

.user-badge {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  background: var(--bg-secondary);
  padding: 0.4rem 0.9rem;
  border-radius: 30px;
  border: 1px solid var(--border-subtle);
  font-size: 0.85rem;
}

.user-avatar {
  width: 28px;
  height: 28px;
  border-radius: 50%;
  background: #1E293B;
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 700;
  color: var(--accent-cyan-light);
  border: 1px solid var(--border-accent);
}

/* Botões */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  padding: 0.55rem 1.15rem;
  border-radius: 8px;
  font-weight: 600;
  font-size: 0.9rem;
  cursor: pointer;
  border: 1px solid transparent;
  transition: var(--transition);
  font-family: var(--font-body);
}

.btn-primary {
  background: linear-gradient(135deg, #2563EB 0%, #1D4ED8 100%);
  color: #fff;
  border: 1px solid rgba(34, 211, 238, 0.3);
  box-shadow: 0 4px 14px rgba(37, 99, 235, 0.35);
}

.btn-primary:hover {
  transform: translateY(-1px);
  box-shadow: 0 6px 20px rgba(34, 211, 238, 0.45);
  background: linear-gradient(135deg, #3B82F6 0%, #2563EB 100%);
  border-color: var(--accent-cyan);
}

.btn-secondary {
  background: var(--bg-card);
  color: var(--text-primary);
  border-color: var(--border-accent);
}

.btn-secondary:hover {
  background: var(--bg-card-hover);
  border-color: var(--accent-cyan);
}

.btn-danger {
  background: rgba(244, 63, 94, 0.15);
  color: #FB7185;
  border-color: rgba(244, 63, 94, 0.3);
}

.btn-danger:hover {
  background: rgba(244, 63, 94, 0.25);
  border-color: var(--accent-rose);
}

.btn-sm {
  padding: 0.35rem 0.75rem;
  font-size: 0.8rem;
}

/* Abas de Navegação Superior (para o Docente) */
.nav-tabs {
  display: flex;
  gap: 0.3rem;
  flex-wrap: nowrap;
  overflow-x: auto;
  scrollbar-width: none;
}

.nav-tabs::-webkit-scrollbar {
  display: none;
}

.tab-btn {
  background: transparent;
  border: none;
  color: var(--text-muted);
  padding: 0.45rem 0.65rem;
  font-weight: 600;
  font-size: 0.82rem;
  cursor: pointer;
  border-radius: 6px;
  transition: var(--transition);
  display: inline-flex;
  align-items: center;
  gap: 5px;
  white-space: nowrap;
}

.tab-btn:hover {
  color: var(--text-primary);
  background: rgba(255, 255, 255, 0.05);
}

.tab-btn.active {
  color: var(--accent-cyan);
  background: rgba(37, 99, 235, 0.16);
  border-bottom: 2px solid var(--accent-cyan);
  box-shadow: inset 0 -4px 10px rgba(34, 211, 238, 0.15);
}

.tab-icon {
  width: 15px;
  height: 15px;
  object-fit: contain;
  vertical-align: middle;
}

/* Área Principal */
.main-content {
  flex: 1;
  padding: 2rem;
  max-width: 1400px;
  margin: 0 auto;
  width: 100%;
}

/* Cartões (Cards) */
.card {
  background: var(--bg-card);
  backdrop-filter: var(--glass-blur);
  border: 1px solid var(--border-subtle);
  border-radius: 12px;
  padding: 1.5rem;
  box-shadow: var(--shadow-card);
  transition: var(--transition);
  position: relative;
  overflow: hidden;
}

.card:hover {
  border-color: var(--border-accent);
}

.card-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 1.25rem;
  border-bottom: 1px solid rgba(255, 255, 255, 0.05);
  padding-bottom: 0.85rem;
}

.card-title {
  font-size: 1.15rem;
  font-weight: 700;
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

/* Banners de Alerta */
.alert-banner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 1rem 1.25rem;
  border-radius: 10px;
  margin-bottom: 1.5rem;
  border: 1px solid transparent;
  gap: 1rem;
}

.alert-warning {
  background: rgba(245, 158, 11, 0.1);
  border-color: rgba(245, 158, 11, 0.35);
  color: #FCD34D;
}

.alert-success {
  background: rgba(16, 185, 129, 0.1);
  border-color: rgba(16, 185, 129, 0.35);
  color: #6EE7B7;
}

.alert-info {
  background: rgba(14, 165, 233, 0.1);
  border-color: rgba(14, 165, 233, 0.35);
  color: #7DD3FC;
}

/* Badges de Status */
.badge {
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  padding: 0.25rem 0.65rem;
  border-radius: 20px;
  font-size: 0.75rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.03em;
}

.badge-success {
  background: rgba(16, 185, 129, 0.15);
  color: #34D399;
  border: 1px solid rgba(16, 185, 129, 0.3);
}

.badge-warning {
  background: rgba(245, 158, 11, 0.15);
  color: #FBBF24;
  border: 1px solid rgba(245, 158, 11, 0.3);
}

.badge-danger {
  background: rgba(244, 63, 94, 0.15);
  color: #FB7185;
  border: 1px solid rgba(244, 63, 94, 0.3);
}

.badge-info {
  background: rgba(14, 165, 233, 0.15);
  color: #38BDF8;
  border: 1px solid rgba(14, 165, 233, 0.3);
}

.badge-muted {
  background: rgba(100, 116, 139, 0.15);
  color: #94A3B8;
  border: 1px solid rgba(100, 116, 139, 0.3);
}

/* Grid de Métricas */
.metrics-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 1.25rem;
  margin-bottom: 2rem;
}

.metric-card {
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  border-radius: 12px;
  padding: 1.25rem;
  display: flex;
  flex-direction: column;
  position: relative;
}

.metric-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 4px;
  height: 100%;
  background: var(--accent-cyan);
  border-radius: 4px 0 0 4px;
}

.metric-card.success::before { background: var(--accent-emerald); }
.metric-card.warning::before { background: var(--accent-amber); }
.metric-card.danger::before { background: var(--accent-rose); }

.metric-label {
  font-size: 0.85rem;
  color: var(--text-secondary);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  font-weight: 600;
}

.metric-value {
  font-family: var(--font-heading);
  font-size: 2.2rem;
  font-weight: 800;
  color: var(--text-primary);
  margin: 0.3rem 0;
}

.metric-detail {
  font-size: 0.8rem;
  color: var(--text-muted);
}

/* Grid de Marcos do Discente */
.milestones-timeline {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 1.25rem;
  margin-bottom: 2rem;
}

.milestone-box {
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  border-radius: 12px;
  padding: 1.25rem;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  transition: var(--transition);
}

.milestone-box.active {
  border-color: var(--accent-cyan);
  box-shadow: 0 0 16px rgba(14, 165, 233, 0.2);
}

.milestone-box.delivered {
  border-color: var(--accent-emerald);
}

.milestone-box.overdue {
  border-color: var(--accent-rose);
}

.milestone-code {
  font-family: var(--font-heading);
  font-size: 1.4rem;
  font-weight: 800;
  color: var(--accent-cyan-light);
}

.milestone-date {
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--text-secondary);
  margin-bottom: 0.5rem;
}

/* Área de Upload (Drag & Drop) */
.dropzone {
  border: 2px dashed var(--border-accent);
  border-radius: 12px;
  padding: 2.5rem 1.5rem;
  text-align: center;
  background: rgba(13, 19, 34, 0.5);
  cursor: pointer;
  transition: var(--transition);
  position: relative;
}

.dropzone:hover, .dropzone.dragover {
  border-color: var(--accent-cyan);
  background: rgba(14, 165, 233, 0.05);
}

.dropzone-icon {
  font-size: 2.5rem;
  color: var(--accent-cyan-light);
  margin-bottom: 0.75rem;
}

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

table {
  width: 100%;
  border-collapse: collapse;
  text-align: left;
}

th {
  background: rgba(13, 19, 34, 0.7);
  padding: 0.85rem 1rem;
  font-size: 0.8rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--text-secondary);
  border-bottom: 1px solid var(--border-subtle);
}

td {
  padding: 1rem;
  border-bottom: 1px solid rgba(255, 255, 255, 0.04);
  font-size: 0.9rem;
}

tr:hover td {
  background: rgba(255, 255, 255, 0.02);
}

/* Modais */
.modal-overlay {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: rgba(4, 6, 11, 0.8);
  backdrop-filter: var(--glass-blur);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 1000;
  padding: 1rem;
  opacity: 0;
  visibility: hidden;
  transition: var(--transition);
}

.modal-overlay.active {
  opacity: 1;
  visibility: visible;
}

.modal-container {
  background: var(--bg-secondary);
  border: 1px solid var(--border-accent);
  border-radius: 14px;
  width: 100%;
  max-width: 650px;
  max-height: 90vh;
  overflow-y: auto;
  box-shadow: var(--shadow-card);
  padding: 1.75rem;
  transform: translateY(20px);
  transition: var(--transition);
}

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

.modal-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 1.25rem;
  border-bottom: 1px solid var(--border-subtle);
  padding-bottom: 0.85rem;
}

/* Formulários */
.form-group {
  margin-bottom: 1.25rem;
}

.form-label {
  display: block;
  font-size: 0.85rem;
  font-weight: 600;
  margin-bottom: 0.4rem;
  color: var(--text-secondary);
}

.form-input, .form-select, .form-textarea {
  width: 100%;
  background: var(--bg-input);
  border: 1px solid var(--border-subtle);
  border-radius: 8px;
  padding: 0.65rem 0.9rem;
  color: var(--text-primary);
  font-family: var(--font-body);
  font-size: 0.95rem;
  transition: var(--transition);
}

.form-input:focus, .form-select:focus, .form-textarea:focus {
  outline: none;
  border-color: var(--accent-cyan);
  box-shadow: 0 0 0 3px rgba(14, 165, 233, 0.2);
}

/* Tela de Login */
.login-wrapper {
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 100vh;
  padding: 1.5rem;
  background-image: 
    radial-gradient(circle at 50% 25%, rgba(37, 99, 235, 0.18) 0%, transparent 60%),
    radial-gradient(circle at 80% 80%, rgba(34, 211, 238, 0.1) 0%, transparent 50%);
}

.login-card {
  width: 100%;
  max-width: 440px;
  background: rgba(19, 29, 52, 0.9);
  border: 1px solid rgba(51, 65, 85, 0.85);
  border-radius: 18px;
  padding: 2.25rem;
  backdrop-filter: var(--glass-blur);
  box-shadow: 0 16px 40px -10px rgba(0, 0, 0, 0.7), 0 0 24px -6px rgba(37, 99, 235, 0.25);
  position: relative;
  overflow: hidden;
}

.login-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 3px;
  background: linear-gradient(90deg, #2563EB, #22D3EE, #10B981);
}

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

.login-logo-img {
  width: 68px;
  height: 68px;
  object-fit: contain;
  margin: 0 auto 0.75rem;
  display: block;
  filter: drop-shadow(0 0 18px rgba(34, 211, 238, 0.45));
  transition: var(--transition);
}

.login-logo-img:hover {
  transform: scale(1.05);
  filter: drop-shadow(0 0 24px rgba(34, 211, 238, 0.7));
}

.login-wordmark-img {
  max-width: 220px;
  height: auto;
  margin: 0 auto 0.5rem;
  display: block;
  filter: drop-shadow(0 2px 8px rgba(0, 0, 0, 0.5));
}

/* Ícones de Equipes & UI */
.team-icon-img {
  width: 24px;
  height: 24px;
  object-fit: contain;
  vertical-align: middle;
  filter: drop-shadow(0 0 6px rgba(34, 211, 238, 0.35));
}

.guide-pill .team-icon-img {
  width: 18px;
  height: 18px;
}

.empty-state-img {
  width: 80px;
  height: auto;
  margin: 0 auto 0.75rem;
  display: block;
  opacity: 0.8;
  filter: drop-shadow(0 4px 10px rgba(0, 0, 0, 0.5));
}

/* Responsividade Mobile */
@media (max-width: 768px) {
  .navbar {
    padding: 0.85rem 1rem;
    flex-wrap: wrap;
    gap: 0.75rem;
  }
  .main-content {
    padding: 1rem;
  }
  .metrics-grid {
    grid-template-columns: 1fr;
  }
  .milestones-timeline {
    grid-template-columns: 1fr;
  }
  .guide-steps-grid {
    grid-template-columns: 1fr;
  }
}

/* Layout Otimizado e Enxuto do Portal do Discente */
.student-portal-grid {
  display: grid;
  grid-template-columns: 1.3fr 1fr;
  gap: 1.5rem;
  margin-bottom: 2rem;
}

@media (max-width: 900px) {
  .student-portal-grid {
    grid-template-columns: 1fr;
  }
}

/* Componentes do Guia & Dinâmica das Equipes */
.guide-steps-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(210px, 1fr));
  gap: 1rem;
  margin-bottom: 1.5rem;
}

.guide-step-card {
  background: rgba(15, 23, 42, 0.8);
  border: 1px solid var(--border-subtle);
  border-radius: 10px;
  padding: 1rem;
  position: relative;
  transition: var(--transition);
}

.guide-step-card:hover {
  border-color: var(--border-accent);
  transform: translateY(-2px);
  background: rgba(15, 23, 42, 1);
}

.guide-step-num {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 24px;
  height: 24px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--accent-cyan), #0284c7);
  color: #fff;
  font-size: 0.75rem;
  font-weight: 700;
  margin-bottom: 0.5rem;
}

.guide-pills {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  margin-bottom: 1.25rem;
}

.guide-pill {
  padding: 0.45rem 0.85rem;
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  border-radius: 8px;
  color: var(--text-secondary);
  font-size: 0.82rem;
  font-weight: 600;
  cursor: pointer;
  transition: var(--transition);
  display: inline-flex;
  align-items: center;
  gap: 6px;
}

.guide-pill:hover {
  background: var(--bg-card-hover);
  color: var(--text-primary);
  border-color: var(--accent-cyan-light);
}

.guide-pill.active {
  background: rgba(14, 165, 233, 0.15);
  border-color: var(--accent-cyan);
  color: var(--accent-cyan-light);
  box-shadow: 0 0 12px rgba(14, 165, 233, 0.2);
}

.guide-team-box {
  background: #0f172a;
  border: 1px solid var(--border-subtle);
  border-radius: 10px;
  padding: 1.25rem;
}