/* ============================================================
   global.css — Design System MaturareQuizz
   Dark Mode | Dourado Maturare #D4AC49 | Fundo #111111
   ============================================================ */

/* ============================================================
   1. CUSTOM PROPERTIES (Tokens de Design)
   ============================================================ */
:root {
  /* Cores Base */
  --color-bg-deep:       #0a0a0a;
  --color-bg-main:       #111111;
  --color-bg-surface:    #181818;
  --color-bg-elevated:   #1f1f1f;
  --color-bg-overlay:    rgba(10, 10, 10, 0.88);

  /* Acento principal — Dourado Maturare */
  --color-accent:        #D4AC49;
  --color-accent-dim:    #a8882e;
  --color-accent-light:  #e8c96a;

  /* Acentos de suporte (usados em status e feedback) */
  --color-accent-green:  #4ade80;
  --color-accent-yellow: #D4AC49;
  --color-accent-purple: #a78bfa;
  --color-accent-red:    #f87171;

  /* Glow dourado */
  --glow-gold:   0 0 8px rgba(212, 172, 73, 0.45), 0 0 24px rgba(212, 172, 73, 0.15);
  --glow-green:  0 0 8px rgba(74, 222, 128, 0.35), 0 0 20px rgba(74, 222, 128, 0.12);
  --glow-red:    0 0 8px rgba(248, 113, 113, 0.35), 0 0 20px rgba(248, 113, 113, 0.12);

  /* Texto */
  --color-text-primary:   #f0ece0;
  --color-text-secondary: #a09880;
  --color-text-muted:     #5a5448;
  --color-text-inverse:   #0a0a0a;

  /* Bordas */
  --color-border:         rgba(212, 172, 73, 0.08);
  --color-border-accent:  rgba(212, 172, 73, 0.35);

  /* Status Tags — mantém semântica de cores */
  --status-novo:            var(--color-accent);
  --status-em-analise:      #60a5fa;
  --status-proposta-criada: var(--color-accent-purple);
  --status-arquivado:       var(--color-text-muted);

  /* Tipografia */
  --font-family-base: 'Inter', 'Segoe UI', Arial, sans-serif;
  --font-family-mono: 'JetBrains Mono', 'Courier New', monospace;

  --font-size-xs:  0.75rem;   /* 12px */
  --font-size-sm:  0.875rem;  /* 14px */
  --font-size-md:  1rem;      /* 16px */
  --font-size-lg:  1.125rem;  /* 18px */
  --font-size-xl:  1.25rem;   /* 20px */
  --font-size-2xl: 1.5rem;    /* 24px */
  --font-size-3xl: 1.875rem;  /* 30px */
  --font-size-4xl: 2.25rem;   /* 36px */

  --font-weight-normal:    400;
  --font-weight-medium:    500;
  --font-weight-semibold:  600;
  --font-weight-bold:      700;

  --line-height-tight:  1.25;
  --line-height-normal: 1.5;
  --line-height-relaxed: 1.75;

  /* Espaçamento */
  --space-1:  0.25rem;   /* 4px */
  --space-2:  0.5rem;    /* 8px */
  --space-3:  0.75rem;   /* 12px */
  --space-4:  1rem;      /* 16px */
  --space-5:  1.25rem;   /* 20px */
  --space-6:  1.5rem;    /* 24px */
  --space-8:  2rem;      /* 32px */
  --space-10: 2.5rem;    /* 40px */
  --space-12: 3rem;      /* 48px */
  --space-16: 4rem;      /* 64px */
  --space-20: 5rem;      /* 80px */

  /* Bordas e Raios */
  --radius-sm:   0.375rem; /* 6px */
  --radius-md:   0.5rem;   /* 8px */
  --radius-lg:   0.75rem;  /* 12px */
  --radius-xl:   1rem;     /* 16px */
  --radius-full: 9999px;

  /* Transições */
  --transition-fast:   150ms ease;
  --transition-normal: 250ms ease;
  --transition-slow:   400ms ease;

  /* Sombras */
  --shadow-sm:  0 1px 3px rgba(0, 0, 0, 0.4);
  --shadow-md:  0 4px 12px rgba(0, 0, 0, 0.5);
  --shadow-lg:  0 8px 30px rgba(0, 0, 0, 0.6);
  --shadow-card: 0 1px 0 rgba(255, 255, 255, 0.04), inset 0 1px 0 rgba(255, 255, 255, 0.02);

  /* Layout */
  --container-max: 1200px;
  --container-quiz: 720px;
  --sidebar-width: 260px;
}

/* ============================================================
   2. RESET & BASE
   ============================================================ */
*,
*::before,
*::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  font-size: 16px;
  scroll-behavior: smooth;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  text-rendering: optimizeLegibility;
}

body {
  display: flex;
  flex-direction: column;
  min-height: 100vh;
  font-family: var(--font-family-base);
  font-size: var(--font-size-md);
  font-weight: var(--font-weight-normal);
  line-height: var(--line-height-normal);
  color: var(--color-text-primary);
  background-color: var(--color-bg-deep);
  overflow-x: hidden;
}

/* Scrollbar customizada */
::-webkit-scrollbar {
  width: 6px;
  height: 6px;
}

::-webkit-scrollbar-track {
  background: var(--color-bg-surface);
}

::-webkit-scrollbar-thumb {
  background: var(--color-text-muted);
  border-radius: var(--radius-full);
}

::-webkit-scrollbar-thumb:hover {
  background: var(--color-accent);
}

/* Seleção de texto */
::selection {
  color: var(--color-text-inverse);
  background-color: var(--color-accent);
}

/* Foco acessível */
:focus-visible {
  outline: 2px solid var(--color-accent);
  outline-offset: 3px;
  border-radius: var(--radius-sm);
}

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

a:hover {
  color: var(--color-accent-light);
}

img,
svg {
  display: block;
  max-width: 100%;
}

button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-2);
  cursor: pointer;
  border: none;
  border-radius: var(--radius-md);
  font-family: inherit;
  font-size: var(--font-size-md);
  font-weight: var(--font-weight-medium);
  line-height: 1;
  transition:
    background-color var(--transition-fast),
    box-shadow var(--transition-fast),
    transform var(--transition-fast),
    opacity var(--transition-fast);
}

button:active {
  transform: scale(0.97);
}

button:disabled {
  opacity: 0.4;
  cursor: not-allowed;
  transform: none;
}

input,
textarea,
select {
  font-family: inherit;
  font-size: var(--font-size-md);
  color: var(--color-text-primary);
  background-color: var(--color-bg-elevated);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
}

input:focus,
textarea:focus,
select:focus {
  outline: none;
  border-color: var(--color-accent);
  box-shadow: 0 0 0 3px rgba(212, 172, 73, 0.12);
}

input::placeholder,
textarea::placeholder {
  color: var(--color-text-muted);
}

/* ============================================================
   3. LAYOUT UTILITIES
   ============================================================ */
.container {
  width: 100%;
  max-width: var(--container-max);
  margin-inline: auto;
  padding-inline: var(--space-6);
}

.container--quiz {
  max-width: var(--container-quiz);
}

/* ============================================================
   4. COMPONENTE: BOTÕES
   ============================================================ */

/* Primário — Dourado */
.btn--primary {
  padding: var(--space-3) var(--space-6);
  color: var(--color-text-inverse);
  background-color: var(--color-accent);
  border: none;
  font-weight: var(--font-weight-semibold);
  letter-spacing: 0.02em;
}

.btn--primary:hover:not(:disabled) {
  background-color: var(--color-accent-light);
  box-shadow: var(--glow-gold);
}

/* Secundário — Outline Dourado */
.btn--secondary {
  padding: var(--space-3) var(--space-6);
  color: var(--color-accent);
  background-color: transparent;
  border: 1px solid var(--color-border-accent);
  font-weight: var(--font-weight-medium);
}

.btn--secondary:hover:not(:disabled) {
  background-color: rgba(212, 172, 73, 0.07);
  border-color: var(--color-accent);
}

/* Ghost */
.btn--ghost {
  padding: var(--space-2) var(--space-4);
  color: var(--color-text-secondary);
  background-color: transparent;
  border: none;
  font-weight: var(--font-weight-normal);
}

.btn--ghost:hover:not(:disabled) {
  color: var(--color-text-primary);
  background-color: rgba(255, 255, 255, 0.04);
}

/* Danger */
.btn--danger {
  padding: var(--space-3) var(--space-6);
  color: #fff;
  background-color: rgba(248, 113, 113, 0.12);
  border: 1px solid rgba(248, 113, 113, 0.3);
  font-weight: var(--font-weight-medium);
}

.btn--danger:hover:not(:disabled) {
  background-color: rgba(248, 113, 113, 0.22);
  box-shadow: var(--glow-red);
}

/* Tamanhos */
.btn--sm {
  padding: var(--space-2) var(--space-4);
  font-size: var(--font-size-sm);
  border-radius: var(--radius-sm);
}

.btn--lg {
  padding: var(--space-4) var(--space-8);
  font-size: var(--font-size-lg);
  border-radius: var(--radius-lg);
}

.btn--full {
  width: 100%;
}

/* ============================================================
   5. COMPONENTE: CARDS
   ============================================================ */
.card {
  background-color: var(--color-bg-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-xl);
  box-shadow: var(--shadow-card);
}

.card--elevated {
  background-color: var(--color-bg-elevated);
  border-color: rgba(255, 255, 255, 0.08);
}

.card--accent {
  border-color: var(--color-border-accent);
  box-shadow: var(--glow-gold), var(--shadow-card);
}

/* ============================================================
   6. COMPONENTE: STATUS TAGS
   ============================================================ */
.tag {
  display: inline-flex;
  align-items: center;
  gap: var(--space-1);
  padding: var(--space-1) var(--space-3);
  border-radius: var(--radius-full);
  font-size: var(--font-size-xs);
  font-weight: var(--font-weight-semibold);
  letter-spacing: 0.05em;
  text-transform: uppercase;
}

.tag::before {
  content: '';
  display: block;
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background-color: currentColor;
}

.tag--novo {
  color: var(--status-novo);
  background-color: rgba(212, 172, 73, 0.1);
  border: 1px solid rgba(212, 172, 73, 0.25);
}

.tag--em_analise {
  color: var(--status-em-analise);
  background-color: rgba(96, 165, 250, 0.1);
  border: 1px solid rgba(96, 165, 250, 0.25);
}

.tag--proposta_criada {
  color: var(--status-proposta-criada);
  background-color: rgba(167, 139, 250, 0.1);
  border: 1px solid rgba(167, 139, 250, 0.25);
}

.tag--arquivado {
  color: var(--status-arquivado);
  background-color: rgba(90, 84, 72, 0.2);
  border: 1px solid rgba(90, 84, 72, 0.3);
}

/* ============================================================
   7. COMPONENTE: MODAL CUSTOMIZADO
   ============================================================ */
.modal-overlay {
  display: flex;
  position: fixed;
  inset: 0;
  align-items: center;
  justify-content: center;
  z-index: 1000;
  padding: var(--space-4);
  background-color: var(--color-bg-overlay);
  backdrop-filter: blur(4px);
  opacity: 0;
  pointer-events: none;
  transition: opacity var(--transition-normal);
}

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

.modal {
  position: relative;
  width: 100%;
  max-width: 480px;
  max-height: 90vh;
  padding: var(--space-8);
  background-color: var(--color-bg-elevated);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-xl);
  box-shadow: var(--shadow-lg);
  overflow-y: auto;
  transform: scale(0.95) translateY(10px);
  transition: transform var(--transition-normal);
}

.modal-overlay.is-open .modal {
  transform: scale(1) translateY(0);
}

.modal__icon {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 52px;
  height: 52px;
  margin-bottom: var(--space-4);
  border-radius: var(--radius-full);
  font-size: 1.5rem;
}

.modal__icon--error {
  background-color: rgba(248, 113, 113, 0.12);
  border: 1px solid rgba(248, 113, 113, 0.25);
}

.modal__icon--success {
  background-color: rgba(0, 255, 136, 0.12);
  border: 1px solid rgba(0, 255, 136, 0.25);
}

.modal__icon--info {
  background-color: rgba(212, 172, 73, 0.10);
  border: 1px solid rgba(212, 172, 73, 0.25);
}

.modal__title {
  margin-bottom: var(--space-2);
  font-size: var(--font-size-xl);
  font-weight: var(--font-weight-semibold);
  color: var(--color-text-primary);
}

.modal__message {
  margin-bottom: var(--space-6);
  font-size: var(--font-size-sm);
  color: var(--color-text-secondary);
  line-height: var(--line-height-relaxed);
}

.modal__actions {
  display: flex;
  gap: var(--space-3);
  justify-content: flex-end;
}

.modal__close {
  position: absolute;
  top: var(--space-4);
  right: var(--space-4);
  display: flex;
  align-items: center;
  justify-content: center;
  width: 32px;
  height: 32px;
  padding: 0;
  color: var(--color-text-muted);
  background: transparent;
  border: none;
  border-radius: var(--radius-sm);
  font-size: var(--font-size-lg);
  cursor: pointer;
  transition: color var(--transition-fast), background-color var(--transition-fast);
}

.modal__close:hover {
  color: var(--color-text-primary);
  background-color: rgba(255, 255, 255, 0.06);
}

/* ============================================================
   8. COMPONENTE: LOADING IMERSIVO
   ============================================================ */
.loading-screen {
  display: flex;
  position: fixed;
  inset: 0;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  z-index: 999;
  background-color: var(--color-bg-deep);
  opacity: 0;
  pointer-events: none;
  transition: opacity var(--transition-slow);
}

.loading-screen.is-active {
  opacity: 1;
  pointer-events: auto;
}

.loading-screen__grid {
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(212, 172, 73, 0.03) 1px, transparent 1px),
    linear-gradient(90deg, rgba(212, 172, 73, 0.03) 1px, transparent 1px);
  background-size: 40px 40px;
  animation: grid-pulse 4s ease-in-out infinite;
}

@keyframes grid-pulse {
  0%, 100% { opacity: 0.5; }
  50%       { opacity: 1; }
}

.loading-screen__content {
  position: relative;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--space-6);
  text-align: center;
}

.loading-screen__spinner {
  position: relative;
  width: 80px;
  height: 80px;
}

.loading-screen__spinner::before,
.loading-screen__spinner::after {
  content: '';
  position: absolute;
  inset: 0;
  border-radius: 50%;
  border: 2px solid transparent;
}

.loading-screen__spinner::before {
  border-top-color: var(--color-accent);
  animation: spin 1.2s linear infinite;
}

.loading-screen__spinner::after {
  inset: 8px;
  border-top-color: rgba(212, 172, 73, 0.3);
  animation: spin 2s linear infinite reverse;
}

@keyframes spin {
  to { transform: rotate(360deg); }
}

.loading-screen__label {
  font-family: var(--font-family-mono);
  font-size: var(--font-size-sm);
  color: var(--color-accent);
  letter-spacing: 0.1em;
  text-transform: uppercase;
  animation: text-blink 1.5s ease-in-out infinite;
}

.loading-screen__sublabel {
  font-size: var(--font-size-xs);
  color: var(--color-text-muted);
  letter-spacing: 0.05em;
}

@keyframes text-blink {
  0%, 100% { opacity: 1; }
  50%       { opacity: 0.4; }
}

.loading-screen__steps {
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
  min-width: 280px;
}

.loading-step {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  font-family: var(--font-family-mono);
  font-size: var(--font-size-xs);
  color: var(--color-text-muted);
  opacity: 0;
  transform: translateX(-10px);
  transition: opacity var(--transition-normal), transform var(--transition-normal), color var(--transition-normal);
}

.loading-step.is-active {
  opacity: 1;
  transform: translateX(0);
  color: var(--color-text-secondary);
}

.loading-step.is-done {
  color: var(--color-accent-green);
}
.loading-step__dot {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background-color: currentColor;
  flex-shrink: 0;
}

/* ============================================================
   9. COMPONENTE: PROGRESS BAR
   ============================================================ */
.progress-bar {
  position: relative;
  width: 100%;
  height: 4px;
  background-color: var(--color-bg-elevated);
  border-radius: var(--radius-full);
  overflow: hidden;
}

.progress-bar__fill {
  height: 100%;
  background: linear-gradient(90deg, var(--color-accent), var(--color-accent-light));
  border-radius: var(--radius-full);
  box-shadow: 0 0 8px rgba(212, 172, 73, 0.5);
  transition: width var(--transition-slow) cubic-bezier(0.4, 0, 0.2, 1);
}

/* ============================================================
   10. COMPONENTE: FORM FIELDS
   ============================================================ */
.field {
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
}

.field__label {
  font-size: var(--font-size-sm);
  font-weight: var(--font-weight-medium);
  color: var(--color-text-secondary);
  letter-spacing: 0.02em;
}

.field__label--required::after {
  content: ' *';
  color: var(--color-accent-red);
}

.field__input,
.field__textarea,
.field__select {
  width: 100%;
  padding: var(--space-3) var(--space-4);
  color: var(--color-text-primary);
  background-color: var(--color-bg-elevated);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  font-family: inherit;
  font-size: var(--font-size-md);
  transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
}

.field__input:focus,
.field__textarea:focus,
.field__select:focus {
  outline: none;
  border-color: var(--color-accent);
  box-shadow: 0 0 0 3px rgba(212, 172, 73, 0.12);
}

.field__input.has-error,
.field__textarea.has-error,
.field__select.has-error {
  border-color: var(--color-accent-red);
  box-shadow: 0 0 0 3px rgba(248, 113, 113, 0.1);
}

.field__error {
  display: flex;
  align-items: center;
  gap: var(--space-1);
  font-size: var(--font-size-xs);
  color: var(--color-accent-red);
  opacity: 0;
  transform: translateY(-4px);
  transition: opacity var(--transition-fast), transform var(--transition-fast);
  pointer-events: none;
}

.field__error.is-visible {
  opacity: 1;
  transform: translateY(0);
}

.field__textarea {
  resize: vertical;
  min-height: 120px;
  line-height: var(--line-height-relaxed);
}

.field__select {
  appearance: none;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='16' height='16' fill='%2394a3b8' viewBox='0 0 16 16'%3E%3Cpath d='M7.247 11.14L2.451 5.658C1.885 5.013 2.345 4 3.204 4h9.592a1 1 0 0 1 .753 1.659l-4.796 5.48a1 1 0 0 1-1.506 0z'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right var(--space-4) center;
  padding-right: var(--space-10);
  cursor: pointer;
}

.field__select option {
  background-color: var(--color-bg-elevated);
  color: var(--color-text-primary);
}

/* ============================================================
   11. UTILITÁRIOS
   ============================================================ */
.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

.text-cyan    { color: var(--color-accent); }
.text-purple  { color: var(--color-accent-purple); }
.text-green   { color: var(--color-accent-green); }
.text-muted   { color: var(--color-text-muted); }
.text-mono    { font-family: var(--font-family-mono); }

.divider {
  height: 1px;
  background-color: var(--color-border);
  border: none;
}

/* Animação de entrada */
@keyframes fade-in-up {
  from {
    opacity: 0;
    transform: translateY(16px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.animate-in {
  animation: fade-in-up 0.4s ease forwards;
}

/* ============================================================
   12. RESPONSIVIDADE BASE
   ============================================================ */
@media (max-width: 768px) {
  :root {
    --font-size-3xl: 1.5rem;
    --font-size-4xl: 1.875rem;
  }

  .container {
    padding-inline: var(--space-4);
  }

  .modal {
    padding: var(--space-6);
  }
}