/* ==========================================================================
   QG DO CONCURSEIRO - DESIGN SYSTEM TÁTICO & OPERACIONAL (CSS PURO)
   ========================================================================== */

@import url('https://fonts.googleapis.com/css2?family=Chakra+Petch:ital,wght@0,500;0,600;0,700;1,600&family=JetBrains+Mono:wght@500;700;800&family=Plus+Jakarta+Sans:wght@400;500;600;700;800&display=swap');

:root {
  /* ==========================================================================
     PALETA DE COMANDO TÁTICO (DARK OPS PRINCIPAL)
     ========================================================================== */
  --bg-main: #090c13;
  --bg-canvas-subtle: #0d121c;
  --bg-surface: #111723;
  --bg-surface-elevated: #161f30;
  --bg-surface-hover: #1c273c;
  --bg-surface-active: #222f48;
  --bg-surface-inset: #0a0e17;

  /* Bordas Estruturadas & Hairlines de Precisão */
  --border-color: rgba(148, 163, 184, 0.12);
  --border-color-light: rgba(148, 163, 184, 0.22);
  --border-color-strong: rgba(148, 163, 184, 0.4);
  --border-color-glow: rgba(245, 158, 11, 0.5);

  /* Tipografia & Hierarquia de Alto Contraste */
  --text-main: #f1f5f9;
  --text-muted: #94a3b8;
  --text-dimmed: #64748b;
  --text-inverse: #090c13;

  /* Acentos de Comando & Status Operacional (Militar / Força Tática) */
  --color-primary: #10b981;
  --color-primary-hover: #059669;
  --color-primary-glow: rgba(16, 185, 129, 0.3);

  --color-accent: #10b981;
  --color-accent-hover: #059669;
  --color-accent-glow: rgba(16, 185, 129, 0.25);

  --color-warning: #f59e0b;
  --color-warning-hover: #d97706;
  --color-warning-glow: rgba(245, 158, 11, 0.3);

  --color-danger: #ef4444;
  --color-danger-hover: #dc2626;
  --color-danger-glow: rgba(239, 68, 68, 0.3);

  --color-cyan: #06b6d4;
  --color-purple: #a855f7;

  /* Geometria Tática (Raio Reduzido para Precisão e Disciplina) */
  --radius-xs: 2px;
  --radius-sm: 4px;
  --radius-md: 6px;
  --radius-lg: 8px;
  --radius-xl: 12px;
  --radius-full: 9999px;

  /* Sombras & Profundidade */
  --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.5);
  --shadow-md: 0 4px 12px rgba(0, 0, 0, 0.6);
  --shadow-lg: 0 12px 30px rgba(0, 0, 0, 0.8);
  --shadow-hud: 0 0 1px 1px rgba(255, 255, 255, 0.05), 0 8px 24px -4px rgba(0, 0, 0, 0.7);

  /* Famílias Tipográficas */
  --font-display: 'Chakra Petch', -apple-system, sans-serif;
  --font-mono: 'JetBrains Mono', monospace;
  --font-body: 'Plus Jakarta Sans', -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;

  /* Transição de Comando */
  --transition-fast: 0.12s cubic-bezier(0.4, 0, 0.2, 1);
  --transition: 0.2s cubic-bezier(0.4, 0, 0.2, 1);

  --sidebar-width: 264px;
  --header-height: 64px;
  --bg-header: rgba(17, 23, 35, 0.85);
  --bg-header-tint: rgba(0, 0, 0, 0.2);
}

/* ==========================================================================
   TEMA CLARO TÁTICO (FIELD PAPER / RELATÓRIO OPERACIONAL)
   ========================================================================== */
[data-theme="light"] {
  --bg-main: #f8fafc;
  --bg-canvas-subtle: #f1f5f9;
  --bg-surface: #ffffff;
  --bg-surface-elevated: #f1f5f9;
  --bg-surface-hover: #e2e8f0;
  --bg-surface-active: #cbd5e1;
  --bg-surface-inset: #f1f5f9;
  --bg-header: rgba(255, 255, 255, 0.92);
  --bg-header-tint: rgba(0, 0, 0, 0.04);

  --border-color: rgba(100, 116, 139, 0.2);
  --border-color-light: rgba(100, 116, 139, 0.35);
  --border-color-strong: rgba(71, 85, 105, 0.6);
  --border-color-glow: rgba(217, 119, 6, 0.4);

  --text-main: #0f172a;
  --text-muted: #475569;
  --text-dimmed: #64748b;
  --text-inverse: #ffffff;

  --color-primary: #0284c7;
  --color-primary-hover: #0369a1;
  --color-primary-glow: rgba(2, 132, 199, 0.25);
  --color-warning: #d97706;
  --color-warning-hover: #b45309;
  --color-warning-glow: rgba(217, 119, 6, 0.3);
  --color-accent: #059669;
  --color-accent-hover: #047857;
  --color-accent-glow: rgba(5, 150, 105, 0.25);
  --color-danger: #dc2626;

  --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.05);
  --shadow-md: 0 4px 10px rgba(0, 0, 0, 0.08);
  --shadow-lg: 0 12px 24px rgba(0, 0, 0, 0.12);
  --shadow-hud: 0 1px 3px rgba(0, 0, 0, 0.08);
}

/* ==========================================================================
   RESET & FUNDAÇÃO GLOBAL
   ========================================================================== */
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

body {
  font-family: var(--font-body);
  background-color: var(--bg-main);
  background-image: 
    radial-gradient(circle at 50% 0%, rgba(56, 189, 248, 0.03) 0%, transparent 60%),
    linear-gradient(to right, rgba(255, 255, 255, 0.015) 1px, transparent 1px),
    linear-gradient(to bottom, rgba(255, 255, 255, 0.015) 1px, transparent 1px);
  background-size: 100% 100%, 36px 36px, 36px 36px;
  color: var(--text-main);
  line-height: 1.5;
  min-height: 100vh;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

[data-theme="light"] body {
  background-image: 
    radial-gradient(circle at 50% 0%, rgba(2, 132, 199, 0.04) 0%, transparent 60%),
    linear-gradient(to right, rgba(0, 0, 0, 0.02) 1px, transparent 1px),
    linear-gradient(to bottom, rgba(0, 0, 0, 0.02) 1px, transparent 1px);
}

/* Scrollbar Tática */
::-webkit-scrollbar {
  width: 7px;
  height: 7px;
}
::-webkit-scrollbar-track {
  background: var(--bg-main);
}
::-webkit-scrollbar-thumb {
  background: var(--bg-surface-elevated);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-xs);
}
::-webkit-scrollbar-thumb:hover {
  background: var(--border-color-light);
}

a {
  color: inherit;
  text-decoration: none;
}

button, input, select, textarea {
  font-family: inherit;
  font-size: inherit;
  color: inherit;
}

/* Foco de Acessibilidade Visível e Tático */
:focus-visible {
  outline: 2px solid var(--color-warning);
  outline-offset: 2px;
}

/* ==========================================================================
   ESTRUTURA DA SPA
   ========================================================================== */
.app-container {
  display: flex;
  min-height: 100vh;
}

/* ==========================================================================
   BARRA LATERAL (SIDEBAR DE COMANDO)
   ========================================================================== */
.app-sidebar {
  width: var(--sidebar-width);
  background-color: var(--bg-surface);
  border-right: 1px solid var(--border-color);
  display: flex;
  flex-direction: column;
  position: fixed;
  top: 0;
  left: 0;
  bottom: 0;
  z-index: 100;
  transition: transform var(--transition);
}

.sidebar-header {
  height: var(--header-height);
  padding: 0 18px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  border-bottom: 1px solid var(--border-color);
  background: var(--bg-header-tint);
}

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

.logo-icon {
  width: 34px;
  height: 34px;
  background: linear-gradient(135deg, #1e293b, #0f172a);
  border: 1px solid var(--color-warning);
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--color-warning);
  font-size: 1.05rem;
  box-shadow: 0 0 10px rgba(245, 158, 11, 0.25);
  position: relative;
}

.logo-icon::after {
  content: "";
  position: absolute;
  top: -2px;
  right: -2px;
  width: 4px;
  height: 4px;
  background: var(--color-warning);
}

.brand-text h2 {
  font-family: var(--font-display);
  font-size: 1.05rem;
  font-weight: 700;
  letter-spacing: 0.04em;
  color: var(--text-main);
  line-height: 1.1;
  text-transform: uppercase;
}

.brand-text span {
  font-family: var(--font-mono);
  font-size: 0.65rem;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  color: var(--color-warning);
  font-weight: 700;
  display: block;
}

.sidebar-nav {
  flex: 1;
  padding: 14px 10px;
  overflow-y: auto;
  display: flex;
  flex-direction: column;
  gap: 2px;
}

.nav-section-title {
  font-family: var(--font-mono);
  font-size: 0.65rem;
  font-weight: 700;
  text-transform: uppercase;
  color: var(--text-dimmed);
  padding: 14px 12px 6px;
  letter-spacing: 0.14em;
  display: flex;
  align-items: center;
  gap: 6px;
}

.nav-section-title::after {
  content: "";
  flex: 1;
  height: 1px;
  background: var(--border-color);
}

.nav-link {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 9px 12px;
  border-radius: var(--radius-sm);
  color: var(--text-muted);
  font-size: 0.88rem;
  font-weight: 600;
  transition: var(--transition-fast);
  border: 1px solid transparent;
  position: relative;
}

.nav-link i {
  font-size: 0.95rem;
  width: 20px;
  text-align: center;
  color: var(--text-dimmed);
  transition: var(--transition-fast);
}

.nav-link:hover {
  background-color: var(--bg-surface-hover);
  color: var(--text-main);
  border-color: var(--border-color);
}

.nav-link:hover i {
  color: var(--text-main);
}

.nav-link.active {
  background-color: rgba(245, 158, 11, 0.08);
  border-color: rgba(245, 158, 11, 0.35);
  color: #fbbf24;
  font-weight: 700;
}

.nav-link.active::before {
  content: "";
  position: absolute;
  left: 0;
  top: 4px;
  bottom: 4px;
  width: 3px;
  background-color: var(--color-warning);
  border-radius: 0 var(--radius-xs) var(--radius-xs) 0;
}

.nav-link.active i {
  color: var(--color-warning);
  filter: drop-shadow(0 0 6px var(--color-warning-glow));
}

.sidebar-footer {
  padding: 14px 16px;
  border-top: 1px solid var(--border-color);
  background: var(--bg-header-tint);
}

.user-profile-widget {
  display: flex;
  align-items: center;
  gap: 12px;
}

.user-avatar-badge {
  width: 36px;
  height: 36px;
  border-radius: var(--radius-sm);
  background: var(--bg-surface-elevated);
  border: 1px solid var(--border-color-strong);
  color: var(--color-warning);
  font-family: var(--font-mono);
  font-weight: 800;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.88rem;
  letter-spacing: 0.05em;
}

.user-meta h4 {
  font-size: 0.88rem;
  font-weight: 700;
  color: var(--text-main);
  line-height: 1.2;
}

.user-meta p {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  color: var(--color-accent);
  font-weight: 700;
  letter-spacing: 0.04em;
  text-transform: uppercase;
}

/* ==========================================================================
   ÁREA PRINCIPAL DE COMANDO (TOP HEADER & MAIN)
   ========================================================================== */
.app-main {
  flex: 1;
  margin-left: var(--sidebar-width);
  display: flex;
  flex-direction: column;
  min-height: 100vh;
}

.app-header {
  height: var(--header-height);
  background-color: var(--bg-header);
  border-bottom: 1px solid var(--border-color);
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 24px;
  position: sticky;
  top: 0;
  z-index: 90;
  backdrop-filter: blur(12px);
}

.header-left {
  display: flex;
  align-items: center;
  gap: 14px;
}

.mobile-menu-btn {
  display: none;
  background: var(--bg-surface-elevated);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-sm);
  color: var(--text-main);
  width: 36px;
  height: 36px;
  cursor: pointer;
  align-items: center;
  justify-content: center;
}

.concurso-badge-wrapper {
  display: flex;
  align-items: center;
  gap: 8px;
  background: var(--bg-surface-elevated);
  padding: 5px 12px;
  border-radius: var(--radius-sm);
  border: 1px solid var(--border-color);
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.05);
}

.concurso-badge-wrapper i {
  color: var(--color-warning);
  font-size: 0.85rem;
}

.concurso-header-select {
  background: transparent;
  border: none;
  color: var(--text-main);
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 0.88rem;
  letter-spacing: 0.02em;
  cursor: pointer;
  outline: none;
}

.concurso-header-select option {
  background-color: var(--bg-surface);
  color: var(--text-main);
  font-family: var(--font-body);
}

.header-right {
  display: flex;
  align-items: center;
  gap: 10px;
}

.streak-pill {
  display: flex;
  align-items: center;
  gap: 6px;
  background: rgba(245, 158, 11, 0.08);
  border: 1px solid rgba(245, 158, 11, 0.3);
  padding: 5px 10px;
  border-radius: var(--radius-sm);
  color: #fbbf24;
  font-family: var(--font-mono);
  font-weight: 700;
  font-size: 0.78rem;
  letter-spacing: 0.02em;
  transition: var(--transition-fast);
}

.streak-pill.tier-0 {
  background: var(--bg-surface-elevated);
  border-color: var(--border-color);
  color: var(--text-dimmed);
}
.streak-pill.tier-0 i { color: var(--text-dimmed); }

.streak-pill.tier-1 {
  background: rgba(245, 158, 11, 0.08);
  border-color: rgba(245, 158, 11, 0.3);
  color: #fbbf24;
}
.streak-pill.tier-1 i { color: #f59e0b; }

.streak-pill.tier-2 {
  background: rgba(217, 119, 6, 0.12);
  border-color: rgba(217, 119, 6, 0.4);
  color: #fbbf24;
  box-shadow: 0 0 8px rgba(245, 158, 11, 0.2);
}
.streak-pill.tier-2 i { color: #fbbf24; }

.streak-pill.tier-3 {
  background: rgba(56, 189, 248, 0.12);
  border-color: rgba(56, 189, 248, 0.4);
  color: #38bdf8;
  box-shadow: 0 0 10px rgba(56, 189, 248, 0.25);
}
.streak-pill.tier-3 i { color: #38bdf8; }

.streak-pill.tier-4 {
  background: rgba(16, 185, 129, 0.12);
  border-color: rgba(16, 185, 129, 0.4);
  color: #34d399;
  box-shadow: 0 0 12px rgba(16, 185, 129, 0.3);
}
.streak-pill.tier-4 i { color: #34d399; }

.streak-pill.tier-5 {
  background: rgba(239, 68, 68, 0.15);
  border-color: rgba(239, 68, 68, 0.5);
  color: #f87171;
  box-shadow: 0 0 14px rgba(239, 68, 68, 0.4);
}
.streak-pill.tier-5 i { color: #ef4444; }

.xp-pill {
  display: flex;
  align-items: center;
  gap: 6px;
  background: rgba(56, 189, 248, 0.08);
  border: 1px solid rgba(56, 189, 248, 0.25);
  padding: 5px 10px;
  border-radius: var(--radius-sm);
  color: #38bdf8;
  font-family: var(--font-mono);
  font-weight: 700;
  font-size: 0.78rem;
}

.header-icon-btn {
  background: var(--bg-surface-elevated);
  border: 1px solid var(--border-color);
  color: var(--text-muted);
  width: 36px;
  height: 36px;
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  transition: var(--transition-fast);
}

.header-icon-btn:hover {
  color: var(--text-main);
  border-color: var(--border-color-light);
  background: var(--bg-surface-hover);
}

/* ==========================================================================
   CONTEÚDO DAS VIEWS
   ========================================================================== */
.view-content-wrapper {
  flex: 1;
  padding: 24px;
  max-width: 1440px;
  width: 100%;
  margin: 0 auto;
}

.view-section {
  animation: viewFade 0.2s cubic-bezier(0.4, 0, 0.2, 1);
}

.view-header {
  margin-bottom: 22px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 14px;
  border-bottom: 1px solid var(--border-color);
  padding-bottom: 16px;
}

.view-title-group h1 {
  font-family: var(--font-display);
  font-size: 1.6rem;
  font-weight: 700;
  letter-spacing: 0.02em;
  color: var(--text-main);
  text-transform: uppercase;
  display: flex;
  align-items: center;
  gap: 10px;
}

.view-title-group h1::before {
  content: "";
  display: inline-block;
  width: 4px;
  height: 1.2rem;
  background: var(--color-warning);
  border-radius: var(--radius-xs);
}

.view-title-group p {
  font-size: 0.88rem;
  color: var(--text-muted);
  margin-top: 2px;
}

@keyframes viewFade {
  from { opacity: 0; transform: translateY(4px); }
  to { opacity: 1; transform: translateY(0); }
}

/* ==========================================================================
   RESPONSIVIDADE MOBILE
   ========================================================================== */
@media (max-width: 900px) {
  .app-sidebar {
    transform: translateX(-100%);
    box-shadow: 0 0 30px rgba(0, 0, 0, 0.9);
  }

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

  .sidebar-backdrop {
    position: fixed;
    inset: 0;
    background: rgba(5, 8, 13, 0.8);
    backdrop-filter: blur(4px);
    z-index: 99;
  }

  .app-main {
    margin-left: 0;
  }

  .mobile-menu-btn {
    display: flex;
  }

  .view-content-wrapper {
    padding: 14px;
  }

  .app-header {
    padding: 0 14px;
  }

  .streak-pill span, .xp-pill span {
    display: none;
  }
}