/* ============================================================
   Poeira na Sala — Design System
   Tema escuro, gradientes vibrantes, glassmorphism, microinterações.
   ============================================================ */

:root {
  --bg-deep: #0a0a0f;
  --bg-surface: #131320;
  --bg-card: #191927;
  --bg-card-hover: #20203070;
  --border-soft: rgba(255, 255, 255, 0.08);
  --border-strong: rgba(255, 255, 255, 0.16);

  --accent-1: #8b5cf6;   /* violeta */
  --accent-2: #ec4899;   /* rosa */
  --accent-3: #6366f1;   /* índigo */
  --gradient-brand: linear-gradient(135deg, var(--accent-1), var(--accent-2));
  --gradient-surface: linear-gradient(160deg, #131320 0%, #0a0a0f 100%);
  --gradient-glow: radial-gradient(circle at 20% -10%, rgba(139, 92, 246, 0.25), transparent 45%),
                    radial-gradient(circle at 90% 10%, rgba(236, 72, 153, 0.18), transparent 40%);

  --text-primary: #f5f5f8;
  --text-muted: #9a9aad;
  --text-faint: #6b6b80;

  --success: #22c55e;
  --danger: #ef4444;
  --warning: #f59e0b;

  --radius-sm: 10px;
  --radius-md: 16px;
  --radius-lg: 24px;
  --radius-pill: 999px;

  --shadow-soft: 0 8px 24px rgba(0, 0, 0, 0.35);
  --shadow-strong: 0 16px 48px rgba(0, 0, 0, 0.5);
  --shadow-glow: 0 0 0 1px rgba(139, 92, 246, 0.25), 0 8px 32px rgba(139, 92, 246, 0.2);

  --ease-smooth: cubic-bezier(0.22, 1, 0.36, 1);
  --ease-bounce: cubic-bezier(0.34, 1.56, 0.64, 1);

  /* Tons translúcidos usados em inputs/chips/etc — trocam de intensidade
     por tema pra continuar visível tanto no escuro quanto no claro. */
  --overlay-1: rgba(255, 255, 255, 0.03);
  --overlay-2: rgba(255, 255, 255, 0.05);
  --overlay-3: rgba(255, 255, 255, 0.08);
  --overlay-4: rgba(255, 255, 255, 0.12);
  --glass-bg: rgba(25, 25, 39, 0.65);
  --overlay-dark: rgba(5, 5, 10, 0.7);
}

/* ---- Tema claro ---- */
:root[data-theme="light"] {
  --bg-deep: #f4f4f8;
  --bg-surface: #ffffff;
  --bg-card: #ffffff;
  --bg-card-hover: #f0f0f5;
  --border-soft: rgba(10, 10, 20, 0.09);
  --border-strong: rgba(10, 10, 20, 0.18);

  --gradient-surface: linear-gradient(160deg, #ffffff 0%, #f0f0f6 100%);
  --gradient-glow: radial-gradient(circle at 20% -10%, rgba(139, 92, 246, 0.12), transparent 45%),
                    radial-gradient(circle at 90% 10%, rgba(236, 72, 153, 0.09), transparent 40%);

  --text-primary: #1a1a24;
  --text-muted: #5c5c6e;
  --text-faint: #8a8a9a;

  --shadow-soft: 0 8px 24px rgba(20, 20, 40, 0.10);
  --shadow-strong: 0 16px 48px rgba(20, 20, 40, 0.16);

  --overlay-1: rgba(10, 10, 20, 0.03);
  --overlay-2: rgba(10, 10, 20, 0.05);
  --overlay-3: rgba(10, 10, 20, 0.08);
  --overlay-4: rgba(10, 10, 20, 0.12);
  --glass-bg: rgba(255, 255, 255, 0.75);
  --overlay-dark: rgba(20, 20, 30, 0.45);
}

* { box-sizing: border-box; }

html {
  color-scheme: dark;
}
html[data-theme="light"] {
  color-scheme: light;
}

html, body {
  margin: 0;
  padding: 0;
  background: var(--bg-deep);
  color: var(--text-primary);
  font-family: 'Segoe UI', system-ui, -apple-system, Roboto, sans-serif;
  -webkit-font-smoothing: antialiased;
}

body {
  background-image: var(--gradient-glow);
  background-attachment: fixed;
  min-height: 100vh;
  transition: background-color .15s ease, color .15s ease;
}

a { color: inherit; }
img { max-width: 100%; display: block; }

h1, h2, h3, h4 { margin: 0 0 .4em; font-weight: 700; letter-spacing: -0.01em; }
p { margin: 0 0 .6em; color: var(--text-muted); line-height: 1.6; }

::selection { background: var(--accent-1); color: #fff; }

/* ---- Scrollbar ---- */
::-webkit-scrollbar { width: 10px; height: 10px; }
::-webkit-scrollbar-track { background: transparent; }
::-webkit-scrollbar-thumb { background: var(--border-strong); border-radius: var(--radius-pill); }
::-webkit-scrollbar-thumb:hover { background: var(--accent-1); }

/* ---- Botões ---- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: .5rem;
  border: none;
  cursor: pointer;
  font-weight: 600;
  font-size: .95rem;
  padding: .75rem 1.5rem;
  border-radius: var(--radius-pill);
  transition: transform .25s var(--ease-bounce), box-shadow .25s var(--ease-smooth), opacity .2s;
  text-decoration: none;
  user-select: none;
}
.btn:active { transform: scale(0.96); }

.btn-primary {
  background: var(--gradient-brand);
  color: #fff;
  box-shadow: var(--shadow-glow);
}
.btn-primary:hover { transform: translateY(-2px) scale(1.02); box-shadow: 0 12px 32px rgba(139, 92, 246, 0.4); }

.btn-ghost {
  background: var(--overlay-2);
  color: var(--text-primary);
  border: 1px solid var(--border-soft);
}
.btn-ghost:hover { background: var(--overlay-4); border-color: var(--border-strong); }

.btn-danger { background: var(--danger); color: #fff; }
.btn-danger:hover { filter: brightness(1.1); }

.btn-sm { padding: .5rem 1rem; font-size: .85rem; }
.btn-block { width: 100%; }
.btn:disabled { opacity: .5; cursor: not-allowed; transform: none !important; }

/* ---- Cards ---- */
.card {
  background: var(--bg-card);
  border: 1px solid var(--border-soft);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-soft);
  transition: transform .3s var(--ease-smooth), box-shadow .3s var(--ease-smooth), border-color .3s;
}
.card-hover:hover {
  transform: translateY(-4px);
  border-color: rgba(139, 92, 246, 0.4);
  box-shadow: var(--shadow-strong);
}

/* ---- Glass panel ---- */
.glass {
  background: var(--glass-bg);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border: 1px solid var(--border-soft);
}

/* ---- Inputs ---- */
.field { margin-bottom: 1.1rem; text-align: left; }
.field label { display: block; margin-bottom: .4rem; font-size: .85rem; color: var(--text-muted); font-weight: 600; }
.field input,
.field select,
.field textarea {
  width: 100%;
  padding: .75rem 1rem;
  background: var(--overlay-1);
  border: 1px solid var(--border-soft);
  border-radius: var(--radius-sm);
  color: var(--text-primary);
  font-size: .95rem;
  transition: border-color .2s, box-shadow .2s, background .2s;
  font-family: inherit;
}
.field input:focus,
.field select:focus,
.field textarea:focus {
  outline: none;
  border-color: var(--accent-1);
  background: rgba(139, 92, 246, 0.06);
  box-shadow: 0 0 0 3px rgba(139, 92, 246, 0.18);
}
.field textarea { resize: vertical; min-height: 90px; }

/* Selects fora de .field (filtros com estilo inline, etc.) também precisam
   disto — o bug do "select branco" é o navegador ignorando o tema custom
   no popup nativo do dropdown quando falta essa dica explícita. */
select { color-scheme: dark; }
select option {
  background: var(--bg-card);
  color: var(--text-primary);
}

/* Autofill do navegador (Chrome/Edge) força fundo claro por padrão e
   ignora CSS normal — precisa desse truque do box-shadow inset gigante. */
input:-webkit-autofill,
input:-webkit-autofill:hover,
input:-webkit-autofill:focus,
input:-webkit-autofill:active {
  -webkit-text-fill-color: var(--text-primary) !important;
  -webkit-box-shadow: 0 0 0px 1000px var(--bg-card) inset !important;
  box-shadow: 0 0 0px 1000px var(--bg-card) inset !important;
  transition: background-color 9999s ease-in-out 0s;
}

.field select option {
  background: var(--bg-card);
  color: var(--text-primary);
}
.field small.hint { display: block; margin-top: .3rem; color: var(--text-faint); font-size: .78rem; }
.field .error { color: var(--danger); font-size: .8rem; margin-top: .3rem; display: block; }

/* ---- Badges ---- */
.badge {
  display: inline-block;
  padding: .25rem .7rem;
  border-radius: var(--radius-pill);
  font-size: .72rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: .04em;
}
.badge-success { background: rgba(34, 197, 94, 0.15); color: var(--success); }
.badge-danger { background: rgba(239, 68, 68, 0.15); color: var(--danger); }
.badge-warning { background: rgba(245, 158, 11, 0.15); color: var(--warning); }
.badge-brand { background: rgba(139, 92, 246, 0.15); color: #c4b5fd; }

/* ---- Alertas ---- */
.alert {
  padding: .9rem 1.2rem;
  border-radius: var(--radius-sm);
  margin-bottom: 1.2rem;
  font-size: .9rem;
  border: 1px solid transparent;
}
.alert-error { background: rgba(239, 68, 68, 0.1); border-color: rgba(239, 68, 68, 0.3); color: #fca5a5; }
.alert-success { background: rgba(34, 197, 94, 0.1); border-color: rgba(34, 197, 94, 0.3); color: #86efac; }

/* ---- Animações ---- */
@keyframes fadeIn { from { opacity: 0; transform: translateY(8px); } to { opacity: 1; transform: translateY(0); } }
@keyframes fadeOut { from { opacity: 1; } to { opacity: 0; visibility: hidden; } }
@keyframes pulseBadge { 0% { transform: scale(1); } 40% { transform: scale(1.35); } 100% { transform: scale(1); } }
@keyframes shakeSoft { 0%, 100% { transform: translateX(0); } 25% { transform: translateX(-4px); } 75% { transform: translateX(4px); } }
@keyframes popIn { 0% { opacity: 0; transform: scale(.9) translateY(12px); } 100% { opacity: 1; transform: scale(1) translateY(0); } }
@keyframes spin { to { transform: rotate(360deg); } }

.fade-in { animation: fadeIn .5s var(--ease-smooth) both; }
.pop-in { animation: popIn .35s var(--ease-bounce) both; }

.spinner {
  width: 22px; height: 22px;
  border: 3px solid var(--border-soft);
  border-top-color: var(--accent-2);
  border-radius: 50%;
  animation: spin .7s linear infinite;
}

/* ---- Utilidades ---- */
.container { max-width: 1200px; margin: 0 auto; padding: 0 1.25rem; }
.text-muted { color: var(--text-muted); }
.text-center { text-align: center; }
.flex { display: flex; }
.flex-between { display: flex; align-items: center; justify-content: space-between; }
.gap-sm { gap: .5rem; }
.gap-md { gap: 1rem; }
.mt-0 { margin-top: 0; }

@media (max-width: 640px) {
  .container { padding: 0 1rem; }
}