/* ============================================================================
   HELPDESK TI — Design System Global
   Paleta: azul profissional escuro + acentos em indigo
   ============================================================================ */

/* ─── Google Fonts fallback ───────────────────────────────────────────────── */
@import url('https://fonts.googleapis.com/css2?family=Inter:wght@400;500;600;700&display=swap');

/* ─── Tokens de Design ────────────────────────────────────────────────────── */
:root {
  /* Cores — Superfícies */
  --color-bg:           #0f1117;
  --color-surface:      #1a1d27;
  --color-surface-2:    #222638;
  --color-border:       #2e3348;
  --color-border-hover: #454d6e;

  /* Cores — Texto */
  --color-text-primary:   #e8eaf0;
  --color-text-secondary: #8b92a8;
  --color-text-muted:     #555e7a;

  /* Cores — Acento (Indigo) */
  --color-accent:        #6c7ef8;
  --color-accent-hover:  #8290fa;
  --color-accent-subtle: rgba(108, 126, 248, 0.12);

  /* Cores — Status dos Tickets */
  --color-open:        #60a5fa;  /* Azul */
  --color-in-progress: #a78bfa;  /* Roxo */
  --color-waiting:     #f59e0b;  /* Âmbar */
  --color-resolved:    #34d399;  /* Verde */
  --color-closed:      #6b7280;  /* Cinza */

  /* Cores — Prioridade */
  --color-priority-low:      #34d399;
  --color-priority-medium:   #60a5fa;
  --color-priority-high:     #f59e0b;
  --color-priority-critical: #f87171;

  /* Tipografia */
  --font-sans:  'Inter', system-ui, -apple-system, sans-serif;
  --font-mono:  'JetBrains Mono', 'Fira Code', monospace;

  --text-xs:   0.75rem;
  --text-sm:   0.875rem;
  --text-base: 1rem;
  --text-lg:   1.125rem;
  --text-xl:   1.25rem;
  --text-2xl:  1.5rem;
  --text-3xl:  1.875rem;

  /* Espaçamento */
  --space-1:  0.25rem;
  --space-2:  0.5rem;
  --space-3:  0.75rem;
  --space-4:  1rem;
  --space-5:  1.25rem;
  --space-6:  1.5rem;
  --space-8:  2rem;
  --space-10: 2.5rem;
  --space-12: 3rem;
  --space-16: 4rem;

  /* Border Radius */
  --radius-sm:   0.375rem;
  --radius-md:   0.5rem;
  --radius-lg:   0.75rem;
  --radius-xl:   1rem;
  --radius-full: 9999px;

  /* Sombras */
  --shadow-sm:  0 1px 2px rgba(0, 0, 0, 0.4);
  --shadow-md:  0 4px 12px rgba(0, 0, 0, 0.4);
  --shadow-lg:  0 8px 32px rgba(0, 0, 0, 0.5);
  --shadow-accent: 0 0 0 3px rgba(108, 126, 248, 0.3);

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

  /* Layout */
  --sidebar-width:  260px;
  --header-height:  60px;
  --content-max-w:  1200px;
}

/* ─── Reset Moderno ───────────────────────────────────────────────────────── */
*, *::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;
}

body {
  font-family: var(--font-sans);
  font-size: var(--text-base);
  color: var(--color-text-primary);
  background-color: var(--color-bg);
  line-height: 1.6;
  min-height: 100vh;
}

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

button {
  cursor: pointer;
  font-family: inherit;
  border: none;
  background: none;
}

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

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

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

/* ─── Scrollbar customizada ───────────────────────────────────────────────── */
::-webkit-scrollbar { width: 6px; height: 6px; }
::-webkit-scrollbar-track { background: var(--color-surface); }
::-webkit-scrollbar-thumb { background: var(--color-border); border-radius: var(--radius-full); }
::-webkit-scrollbar-thumb:hover { background: var(--color-border-hover); }

/* ─── Classes utilitárias ─────────────────────────────────────────────────── */

/* Badges de status dos tickets */
.badge {
  display: inline-flex;
  align-items: center;
  gap: var(--space-1);
  padding: 2px var(--space-2);
  border-radius: var(--radius-full);
  font-size: var(--text-xs);
  font-weight: 600;
  letter-spacing: 0.02em;
  text-transform: uppercase;
}

.badge--open        { background: rgba(96, 165, 250, 0.15);  color: var(--color-open); }
.badge--in_progress { background: rgba(167, 139, 250, 0.15); color: var(--color-in-progress); }
.badge--waiting     { background: rgba(245, 158, 11, 0.15);  color: var(--color-waiting); }
.badge--resolved    { background: rgba(52, 211, 153, 0.15);  color: var(--color-resolved); }
.badge--closed      { background: rgba(107, 114, 128, 0.15); color: var(--color-closed); }

/* Badges de prioridade */
.badge--low      { background: rgba(52, 211, 153, 0.15);  color: var(--color-priority-low); }
.badge--medium   { background: rgba(96, 165, 250, 0.15);  color: var(--color-priority-medium); }
.badge--high     { background: rgba(245, 158, 11, 0.15);  color: var(--color-priority-high); }
.badge--critical { background: rgba(248, 113, 113, 0.15); color: var(--color-priority-critical); }

/* Botões */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-2);
  padding: var(--space-2) var(--space-4);
  border-radius: var(--radius-md);
  font-size: var(--text-sm);
  font-weight: 500;
  transition: all var(--transition-fast);
  white-space: nowrap;
}

.btn--primary {
  background: var(--color-accent);
  color: #fff;
}
.btn--primary:hover {
  background: var(--color-accent-hover);
  transform: translateY(-1px);
  box-shadow: var(--shadow-md);
}

.btn--ghost {
  background: transparent;
  color: var(--color-text-secondary);
  border: 1px solid var(--color-border);
}
.btn--ghost:hover {
  background: var(--color-surface-2);
  color: var(--color-text-primary);
  border-color: var(--color-border-hover);
}

.btn--danger {
  background: rgba(248, 113, 113, 0.15);
  color: var(--color-priority-critical);
  border: 1px solid rgba(248, 113, 113, 0.3);
}
.btn--danger:hover {
  background: rgba(248, 113, 113, 0.25);
}

/* Inputs */
.input {
  width: 100%;
  padding: var(--space-2) var(--space-3);
  background: var(--color-surface-2);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  color: var(--color-text-primary);
  font-size: var(--text-sm);
  transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
  outline: none;
}

.input:focus {
  border-color: var(--color-accent);
  box-shadow: var(--shadow-accent);
}

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

/* Cards */
.card {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: var(--space-5);
  transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
}

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

/* Animações */
@keyframes fadeIn {
  from { opacity: 0; transform: translateY(8px); }
  to   { opacity: 1; transform: translateY(0); }
}

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

.animate-fade-in {
  animation: fadeIn var(--transition-normal) ease forwards;
}

/* Loading spinner */
.spinner {
  width: 20px;
  height: 20px;
  border: 2px solid var(--color-border);
  border-top-color: var(--color-accent);
  border-radius: 50%;
  animation: spin 0.7s linear infinite;
}