/**
 * Chronos Agenda - Design System "Fora da Bolha"
 * Suporta Temas Dinâmicos, Dark/Light Mode e Responsividade Mobile-First
 */

:root {
  /* Tema Padrão: Violet */
  --primary: #8b5cf6;
  --primary-glow: rgba(139, 92, 246, 0.4);
  --primary-hover: #7c3aed;
  --primary-light: rgba(139, 92, 246, 0.12);
  --accent: #06b6d4;
  --accent-glow: rgba(6, 182, 212, 0.35);

  --success: #10b981;
  --warning: #f59e0b;
  --danger: #ef4444;
  --info: #3b82f6;

  /* Modo Escuro (Default) */
  --bg-main: #0b0f17;
  --bg-surface: #111827;
  --bg-surface-elevated: #1a2234;
  --bg-glass: rgba(17, 24, 39, 0.75);
  --border: rgba(255, 255, 255, 0.08);
  --border-focus: rgba(139, 92, 246, 0.5);

  --text-main: #f9fafb;
  --text-muted: #9ca3af;
  --text-dim: #6b7280;

  --slot-free-bg: rgba(255, 255, 255, 0.02);
  --slot-free-border: rgba(255, 255, 255, 0.12);
  --slot-free-hover: rgba(139, 92, 246, 0.06);

  --radius-sm: 8px;
  --radius-md: 14px;
  --radius-lg: 20px;
  --radius-full: 9999px;

  --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.2);
  --shadow-md: 0 8px 24px rgba(0, 0, 0, 0.35);
  --shadow-glow: 0 0 25px var(--primary-glow);

  --font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  --transition: all 0.25s cubic-bezier(0.16, 1, 0.3, 1);
}

/* Modos de Cor / Temas */
body[data-theme-color="emerald"] {
  --primary: #10b981;
  --primary-glow: rgba(16, 185, 129, 0.4);
  --primary-hover: #059669;
  --primary-light: rgba(16, 185, 129, 0.12);
  --accent: #34d399;
}

body[data-theme-color="ocean"] {
  --primary: #0284c7;
  --primary-glow: rgba(2, 132, 199, 0.4);
  --primary-hover: #0369a1;
  --primary-light: rgba(2, 132, 199, 0.12);
  --accent: #38bdf8;
}

body[data-theme-color="amber"] {
  --primary: #f59e0b;
  --primary-glow: rgba(245, 158, 11, 0.4);
  --primary-hover: #d97706;
  --primary-light: rgba(245, 158, 11, 0.12);
  --accent: #fbbf24;
}

body[data-theme-color="rose"] {
  --primary: #f43f5e;
  --primary-glow: rgba(244, 63, 94, 0.4);
  --primary-hover: #e11d48;
  --primary-light: rgba(244, 63, 94, 0.12);
  --accent: #fb7185;
}

/* Tema Claro */
body[data-theme-mode="light"] {
  --bg-main: #f3f4f8;
  --bg-surface: #ffffff;
  --bg-surface-elevated: #f8fafc;
  --bg-glass: rgba(255, 255, 255, 0.85);
  --border: rgba(0, 0, 0, 0.08);
  --border-focus: rgba(139, 92, 246, 0.6);

  --text-main: #111827;
  --text-muted: #4b5563;
  --text-dim: #9ca3af;

  --slot-free-bg: rgba(0, 0, 0, 0.015);
  --slot-free-border: rgba(0, 0, 0, 0.1);
  --slot-free-hover: rgba(139, 92, 246, 0.05);

  --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.05);
  --shadow-md: 0 8px 24px rgba(0, 0, 0, 0.08);
}

/* Reset Global */
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html, body {
  height: 100%;
  font-family: var(--font-family);
  background-color: var(--bg-main);
  color: var(--text-main);
  -webkit-font-smoothing: antialiased;
  -webkit-tap-highlight-color: transparent;
  overflow-x: hidden;
}

/* Layout Principal */
.app-container {
  display: flex;
  min-height: 100vh;
  position: relative;
}

/* Sidebar Desktop */
.sidebar {
  width: 260px;
  background: var(--bg-surface);
  border-right: 1px solid var(--border);
  display: flex;
  flex-direction: column;
  position: sticky;
  top: 0;
  height: 100vh;
  padding: 24px 16px;
  z-index: 40;
  transition: var(--transition);
}

.brand {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 0 8px 24px 8px;
  border-bottom: 1px solid var(--border);
}

.brand-icon {
  width: 40px;
  height: 40px;
  border-radius: var(--radius-md);
  background: linear-gradient(135deg, var(--primary), var(--accent));
  display: flex;
  align-items: center;
  justify-content: center;
  color: #fff;
  font-weight: 800;
  font-size: 20px;
  box-shadow: var(--shadow-glow);
}

.brand-info h1 {
  font-size: 17px;
  font-weight: 700;
  letter-spacing: -0.3px;
  background: linear-gradient(90deg, var(--text-main), var(--text-muted));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

.brand-info span {
  font-size: 11px;
  text-transform: uppercase;
  letter-spacing: 1px;
  color: var(--primary);
  font-weight: 600;
}

/* Menu de Navegação */
.nav-menu {
  list-style: none;
  margin-top: 24px;
  display: flex;
  flex-direction: column;
  gap: 6px;
  flex: 1;
}

.nav-item button {
  width: 100%;
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 12px 14px;
  border-radius: var(--radius-md);
  background: transparent;
  border: none;
  color: var(--text-muted);
  font-size: 14px;
  font-weight: 500;
  cursor: pointer;
  transition: var(--transition);
  text-align: left;
}

.nav-item button svg {
  width: 20px;
  height: 20px;
  stroke-width: 2;
  transition: var(--transition);
}

.nav-item button:hover {
  background: var(--bg-surface-elevated);
  color: var(--text-main);
  transform: translateX(3px);
}

.nav-item.active button {
  background: var(--primary-light);
  color: var(--primary);
  font-weight: 600;
}

.nav-item.active button svg {
  stroke: var(--primary);
}

/* Rodapé da Sidebar */
.sidebar-footer {
  padding-top: 16px;
  border-top: 1px solid var(--border);
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.user-badge {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 8px 10px;
  border-radius: var(--radius-md);
  background: var(--bg-surface-elevated);
}

.user-avatar {
  width: 34px;
  height: 34px;
  border-radius: var(--radius-full);
  background: var(--primary);
  color: #fff;
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 700;
  font-size: 13px;
}

.user-meta {
  flex: 1;
  overflow: hidden;
}

.user-name {
  font-size: 13px;
  font-weight: 600;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.user-role {
  font-size: 11px;
  color: var(--text-dim);
  text-transform: capitalize;
}

/* Botão Logout */
.btn-logout {
  background: none;
  border: none;
  color: var(--text-dim);
  cursor: pointer;
  padding: 4px;
  border-radius: var(--radius-sm);
  transition: var(--transition);
}

.btn-logout:hover {
  color: var(--danger);
  background: rgba(239, 68, 68, 0.1);
}

/* Conteúdo Principal */
.main-wrapper {
  flex: 1;
  display: flex;
  flex-direction: column;
  min-width: 0;
  height: 100vh;
  overflow-y: auto;
}

/* Topbar / Mobile Header */
.topbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 16px 24px;
  background: var(--bg-glass);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border-bottom: 1px solid var(--border);
  position: sticky;
  top: 0;
  z-index: 30;
}

.topbar-left {
  display: flex;
  align-items: center;
  gap: 12px;
}

.topbar-title {
  font-size: 18px;
  font-weight: 700;
}

.topbar-actions {
  display: flex;
  align-items: center;
  gap: 10px;
}

/* Botões do Sistema */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 9px 18px;
  border-radius: var(--radius-md);
  font-size: 14px;
  font-weight: 600;
  cursor: pointer;
  border: 1px solid transparent;
  transition: var(--transition);
  text-decoration: none;
  user-select: none;
}

.btn-primary {
  background: var(--primary);
  color: #ffffff;
  box-shadow: 0 4px 14px var(--primary-glow);
}

.btn-primary:hover {
  background: var(--primary-hover);
  box-shadow: 0 6px 20px var(--primary-glow);
  transform: translateY(-1px);
}

.btn-secondary {
  background: var(--bg-surface-elevated);
  color: var(--text-main);
  border-color: var(--border);
}

.btn-secondary:hover {
  background: var(--border);
}

.btn-success {
  background: var(--success);
  color: #fff;
}

.btn-danger {
  background: rgba(239, 68, 68, 0.12);
  color: var(--danger);
  border-color: rgba(239, 68, 68, 0.2);
}

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

.btn-sm {
  padding: 6px 12px;
  font-size: 12px;
  border-radius: var(--radius-sm);
}

.btn-icon {
  width: 38px;
  height: 38px;
  padding: 0;
  border-radius: var(--radius-md);
  background: var(--bg-surface-elevated);
  border: 1px solid var(--border);
  color: var(--text-muted);
}

.btn-icon:hover {
  color: var(--text-main);
  border-color: var(--primary);
}

/* Floating Action Button (FAB) para Mobile */
.fab-new-appointment {
  display: none;
  position: fixed;
  bottom: 84px;
  right: 20px;
  width: 56px;
  height: 56px;
  border-radius: var(--radius-full);
  background: linear-gradient(135deg, var(--primary), var(--accent));
  color: #fff;
  border: none;
  box-shadow: 0 10px 25px var(--primary-glow);
  z-index: 45;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  transition: var(--transition);
}

.fab-new-appointment:active {
  transform: scale(0.92);
}

/* Bottom Navigation para Smartphones */
.mobile-nav {
  display: none;
  position: fixed;
  bottom: 0;
  left: 0;
  right: 0;
  height: 68px;
  background: var(--bg-glass);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border-top: 1px solid var(--border);
  z-index: 50;
  padding: 0 12px;
  justify-content: space-around;
  align-items: center;
}

.mobile-nav-item {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 3px;
  background: none;
  border: none;
  color: var(--text-dim);
  font-size: 11px;
  font-weight: 500;
  cursor: pointer;
  padding: 6px 12px;
  border-radius: var(--radius-md);
  transition: var(--transition);
}

.mobile-nav-item svg {
  width: 22px;
  height: 22px;
}

.mobile-nav-item.active {
  color: var(--primary);
  font-weight: 600;
}

/* Modais / Gavetas Modernas */
.modal-overlay {
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.7);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  z-index: 100;
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  visibility: hidden;
  transition: var(--transition);
  padding: 16px;
}

.modal-overlay.active {
  opacity: 1;
  visibility: visible;
}

.modal-card {
  background: var(--bg-surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-md);
  width: 100%;
  max-width: 580px;
  max-height: 90vh;
  display: flex;
  flex-direction: column;
  overflow: hidden;
  transform: scale(0.96) translateY(12px);
  transition: var(--transition);
}

.modal-overlay.active .modal-card {
  transform: scale(1) translateY(0);
}

.modal-header {
  padding: 18px 22px;
  border-bottom: 1px solid var(--border);
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.modal-title {
  font-size: 16px;
  font-weight: 700;
  display: flex;
  align-items: center;
  gap: 8px;
}

.modal-close {
  background: none;
  border: none;
  color: var(--text-muted);
  cursor: pointer;
  padding: 6px;
  border-radius: var(--radius-sm);
  transition: var(--transition);
}

.modal-close:hover {
  color: var(--text-main);
  background: var(--bg-surface-elevated);
}

.modal-body {
  padding: 22px;
  overflow-y: auto;
  flex: 1;
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.modal-footer {
  padding: 16px 22px;
  border-top: 1px solid var(--border);
  display: flex;
  align-items: center;
  justify-content: flex-end;
  gap: 10px;
  background: var(--bg-surface-elevated);
}

/* Formulários Elegantes */
.form-group {
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.form-label {
  font-size: 13px;
  font-weight: 600;
  color: var(--text-muted);
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.form-input, .form-select, .form-textarea {
  width: 100%;
  padding: 11px 14px;
  background: var(--bg-surface-elevated);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  color: var(--text-main);
  font-size: 14px;
  font-family: inherit;
  transition: var(--transition);
  outline: none;
}

.form-input:focus, .form-select:focus, .form-textarea:focus {
  border-color: var(--border-focus);
  box-shadow: 0 0 0 3px var(--primary-light);
}

.form-grid-2 {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 12px;
}

.form-grid-3 {
  display: grid;
  grid-template-columns: 1fr 1fr 1fr;
  gap: 10px;
}

.form-help {
  font-size: 11px;
  color: var(--text-dim);
  line-height: 1.4;
}

/* Badges e Tags */
.badge {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 4px 10px;
  border-radius: var(--radius-full);
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.2px;
}

.badge-whatsapp {
  background: rgba(16, 185, 129, 0.15);
  color: #10b981;
  border: 1px solid rgba(16, 185, 129, 0.3);
}

.badge-pending {
  background: rgba(245, 158, 11, 0.15);
  color: #f59e0b;
  border: 1px solid rgba(245, 158, 11, 0.3);
}

.badge-sent {
  background: rgba(59, 130, 246, 0.15);
  color: #3b82f6;
  border: 1px solid rgba(59, 130, 246, 0.3);
}

/* Toast Notifications */
.toast-container {
  position: fixed;
  bottom: 24px;
  right: 24px;
  z-index: 150;
  display: flex;
  flex-direction: column;
  gap: 10px;
  pointer-events: none;
}

.toast {
  pointer-events: auto;
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 12px 18px;
  border-radius: var(--radius-md);
  background: var(--bg-surface);
  border: 1px solid var(--border);
  box-shadow: var(--shadow-md);
  color: var(--text-main);
  font-size: 13px;
  font-weight: 500;
  animation: slideInRight 0.3s cubic-bezier(0.16, 1, 0.3, 1);
  max-width: 380px;
}

.toast.toast-success {
  border-left: 4px solid var(--success);
}

.toast.toast-error {
  border-left: 4px solid var(--danger);
}

.toast.toast-info {
  border-left: 4px solid var(--primary);
}

@keyframes slideInRight {
  from {
    transform: translateX(100%);
    opacity: 0;
  }
  to {
    transform: translateX(0);
    opacity: 1;
  }
}

/* Responsividade Mobile */
@media (max-width: 820px) {
  .sidebar {
    display: none;
  }

  .fab-new-appointment {
    display: flex;
  }

  .mobile-nav {
    display: flex;
  }

  .main-wrapper {
    padding-bottom: 74px;
  }

  .modal-overlay {
    align-items: flex-end;
    padding: 0;
  }

  .modal-card {
    border-radius: 24px 24px 0 0;
    max-height: 88vh;
    transform: translateY(100%);
  }

  .modal-overlay.active .modal-card {
    transform: translateY(0);
  }

  .form-grid-2, .form-grid-3 {
    grid-template-columns: 1fr;
  }

  .toast-container {
    bottom: 80px;
    right: 16px;
    left: 16px;
  }
}