/* ═════════════════════════════════════════════════════════════════════════════ */
/*                         DARK MODE — BUTTONS & COMPONENTS                     */
/*                       Toggle: data-theme="dark" em <html>                    */
/* ═════════════════════════════════════════════════════════════════════════════ */

/**
 * USO:
 * <html data-theme="dark">  ← Ativa dark mode
 * ou
 * document.documentElement.setAttribute('data-theme', 'dark');
 */

[data-theme="dark"] {
  /* BACKGROUNDS */
  --bg-dark-primary: #0a0e27;
  --bg-dark-secondary: #111b3c;
  --bg-dark-tertiary: #1a2548;

  /* TEXT */
  --text-dark-primary: #e8ecf1;
  --text-dark-secondary: #a0aec0;
  --text-dark-muted: #64748b;

  /* BORDERS */
  --border-dark: rgba(148, 163, 184, 0.1);
  --border-dark-light: rgba(148, 163, 184, 0.2);

  /* PRIMÁRIOS */
  --color-dark-primary: #10b981;
  --color-dark-primary-hover: #059669;
  --color-dark-secondary: #3b82f6;
  --color-dark-secondary-hover: #2563eb;

  /* ESTADOS */
  --success-dark: #34d399;
  --warning-dark: #fbbf24;
  --danger-dark: #f87171;
  --info-dark: #60a5fa;
}

/* ═════════════════════════════════════════════════════════════════════════════ */
/*                         BOTÕES — DARK MODE                                  */
/* ═════════════════════════════════════════════════════════════════════════════ */

[data-theme="dark"] button,
[data-theme="dark"] a.btn,
[data-theme="dark"] .btn,
[data-theme="dark"] [role="button"],
[data-theme="dark"] input[type="submit"],
[data-theme="dark"] input[type="button"],
[data-theme="dark"] input[type="reset"] {
  font-family: Verdana, 'Segoe UI', sans-serif;
  letter-spacing: 1pt;
}

/* PRIMARY */
[data-theme="dark"] .btn-primary,
[data-theme="dark"] button.btn-primary {
  background: linear-gradient(135deg, var(--color-dark-primary) 0%, #059669 100%);
  color: #ffffff;
  border: none;
  border-radius: 12px;
  box-shadow: 0 4px 12px rgba(16, 185, 129, 0.25);
}

[data-theme="dark"] .btn-primary:hover,
[data-theme="dark"] button.btn-primary:hover {
  background: linear-gradient(135deg, var(--color-dark-primary-hover) 0%, #047857 100%);
  box-shadow: 0 8px 24px rgba(16, 185, 129, 0.4);
  transform: translateY(-4px);
}

/* SECONDARY */
[data-theme="dark"] .btn-secondary,
[data-theme="dark"] button.btn-secondary {
  background: linear-gradient(135deg, #475569 0%, #334155 100%);
  color: var(--text-dark-primary);
  border: 1px solid var(--border-dark-light);
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.3);
}

[data-theme="dark"] .btn-secondary:hover,
[data-theme="dark"] button.btn-secondary:hover {
  background: linear-gradient(135deg, #64748b 0%, #475569 100%);
  border-color: var(--color-dark-secondary);
  box-shadow: 0 8px 24px rgba(51, 65, 85, 0.4);
}

/* GHOST */
[data-theme="dark"] .btn-ghost,
[data-theme="dark"] button.btn-ghost {
  background: transparent;
  color: var(--color-dark-primary);
  border: 1px solid var(--color-dark-primary);
  box-shadow: none;
}

[data-theme="dark"] .btn-ghost:hover,
[data-theme="dark"] button.btn-ghost:hover {
  background: rgba(16, 185, 129, 0.1);
  border-color: var(--color-dark-primary-hover);
  box-shadow: inset 0 0 8px rgba(16, 185, 129, 0.15);
}

/* DANGER */
[data-theme="dark"] .btn-danger,
[data-theme="dark"] button.btn-danger {
  background: linear-gradient(135deg, #ef4444 0%, #dc2626 100%);
  color: #ffffff;
  box-shadow: 0 4px 12px rgba(239, 68, 68, 0.25);
}

[data-theme="dark"] .btn-danger:hover,
[data-theme="dark"] button.btn-danger:hover {
  background: linear-gradient(135deg, #f87171 0%, #ef4444 100%);
  box-shadow: 0 8px 24px rgba(239, 68, 68, 0.4);
  transform: translateY(-4px);
}

/* SUCCESS */
[data-theme="dark"] .btn-success,
[data-theme="dark"] button.btn-success {
  background: linear-gradient(135deg, #10b981 0%, #059669 100%);
  color: #ffffff;
  box-shadow: 0 4px 12px rgba(16, 185, 129, 0.25);
}

[data-theme="dark"] .btn-success:hover,
[data-theme="dark"] button.btn-success:hover {
  background: linear-gradient(135deg, #34d399 0%, #10b981 100%);
  box-shadow: 0 8px 24px rgba(16, 185, 129, 0.4);
}

/* WARNING */
[data-theme="dark"] .btn-warning,
[data-theme="dark"] button.btn-warning {
  background: linear-gradient(135deg, #f59e0b 0%, #d97706 100%);
  color: #ffffff;
  box-shadow: 0 4px 12px rgba(245, 158, 11, 0.25);
}

[data-theme="dark"] .btn-warning:hover,
[data-theme="dark"] button.btn-warning:hover {
  background: linear-gradient(135deg, #fbbf24 0%, #f59e0b 100%);
  box-shadow: 0 8px 24px rgba(245, 158, 11, 0.4);
}

/* ═════════════════════════════════════════════════════════════════════════════ */
/*                    COMPONENTES — DARK MODE                                  */
/* ═════════════════════════════════════════════════════════════════════════════ */

[data-theme="dark"] body {
  background: var(--bg-dark-primary);
  color: var(--text-dark-primary);
}

[data-theme="dark"] input,
[data-theme="dark"] textarea,
[data-theme="dark"] select {
  background: var(--bg-dark-secondary);
  color: var(--text-dark-primary);
  border-color: var(--border-dark-light);
}

[data-theme="dark"] input:focus,
[data-theme="dark"] textarea:focus,
[data-theme="dark"] select:focus {
  background: var(--bg-dark-tertiary);
  border-color: var(--color-dark-primary);
  box-shadow: 0 0 0 3px rgba(16, 185, 129, 0.1);
}

[data-theme="dark"] input::placeholder,
[data-theme="dark"] textarea::placeholder {
  color: var(--text-dark-muted);
}

/* CARDS */
[data-theme="dark"] .card {
  background: var(--bg-dark-secondary);
  border-color: var(--border-dark-light);
  color: var(--text-dark-primary);
}

[data-theme="dark"] .card:hover {
  border-color: var(--color-dark-primary);
  box-shadow: 0 8px 24px rgba(16, 185, 129, 0.15);
}

[data-theme="dark"] .card-header {
  border-color: var(--border-dark);
}

/* BADGES */
[data-theme="dark"] .badge-success {
  background: rgba(16, 185, 129, 0.15);
  color: var(--success-dark);
}

[data-theme="dark"] .badge-info {
  background: rgba(96, 165, 250, 0.15);
  color: var(--info-dark);
}

[data-theme="dark"] .badge-warning {
  background: rgba(251, 191, 36, 0.15);
  color: var(--warning-dark);
}

[data-theme="dark"] .badge-danger {
  background: rgba(239, 68, 68, 0.15);
  color: var(--danger-dark);
}

[data-theme="dark"] .badge-muted {
  background: rgba(148, 163, 184, 0.1);
  color: var(--text-dark-secondary);
}

/* ALERTS */
[data-theme="dark"] .alert {
  background: transparent;
  color: var(--text-dark-primary);
}

[data-theme="dark"] .alert-success {
  background: rgba(16, 185, 129, 0.08);
  border-left-color: var(--success-dark);
  color: #a7f3d0;
}

[data-theme="dark"] .alert-info {
  background: rgba(96, 165, 250, 0.08);
  border-left-color: var(--info-dark);
  color: #bfdbfe;
}

[data-theme="dark"] .alert-warning {
  background: rgba(251, 191, 36, 0.08);
  border-left-color: var(--warning-dark);
  color: #fcd34d;
}

[data-theme="dark"] .alert-danger {
  background: rgba(239, 68, 68, 0.08);
  border-left-color: var(--danger-dark);
  color: #fecaca;
}

/* SCROLLBAR */
[data-theme="dark"] ::-webkit-scrollbar {
  width: 8px;
  height: 8px;
}

[data-theme="dark"] ::-webkit-scrollbar-track {
  background: var(--bg-dark-secondary);
}

[data-theme="dark"] ::-webkit-scrollbar-thumb {
  background: var(--border-dark-light);
  border-radius: 4px;
}

[data-theme="dark"] ::-webkit-scrollbar-thumb:hover {
  background: var(--color-dark-primary);
}

/* ═════════════════════════════════════════════════════════════════════════════ */
/*                      TRANSIÇÃO SUAVE — DARK MODE                            */
/* ═════════════════════════════════════════════════════════════════════════════ */

html {
  transition: background-color 0.3s ease, color 0.3s ease;
}

button,
a.btn,
.btn,
[role="button"],
input[type="submit"],
input[type="button"],
input[type="reset"],
input,
textarea,
select,
.card,
.badge {
  transition: all 0.3s ease;
}

/* ═════════════════════════════════════════════════════════════════════════════ */
/*                    TEMA AUTOMÁTICO — SYSTEM PREFERENCE                       */
/* ═════════════════════════════════════════════════════════════════════════════ */

@media (prefers-color-scheme: dark) {
  html:not([data-theme]) {
    color-scheme: dark;
  }

  html:not([data-theme]) body {
    background: var(--bg-dark-primary);
    color: var(--text-dark-primary);
  }
}

@media (prefers-color-scheme: light) {
  html:not([data-theme]) {
    color-scheme: light;
  }
}

/* ═════════════════════════════════════════════════════════════════════════════ */
/*                         UTILITY — TOGGLE DARK MODE                          */
/* ═════════════════════════════════════════════════════════════════════════════ */

.theme-toggle {
  position: fixed;
  bottom: 20px;
  right: 20px;
  z-index: 1000;
  width: 50px;
  height: 50px;
  border-radius: 50%;
  background: var(--color-dark-primary);
  color: white;
  border: none;
  border-radius: 12px;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 20px;
  box-shadow: 0 4px 12px rgba(16, 185, 129, 0.3);
  transition: all 0.3s ease;
}

.theme-toggle:hover {
  transform: scale(1.1);
  box-shadow: 0 8px 24px rgba(16, 185, 129, 0.4);
}

[data-theme="dark"] .theme-toggle {
  background: var(--color-dark-secondary);
  box-shadow: 0 4px 12px rgba(59, 130, 246, 0.3);
}

[data-theme="dark"] .theme-toggle:hover {
  box-shadow: 0 8px 24px rgba(59, 130, 246, 0.4);
}
