/* ================================================================
   Smart Plant Monitoring — Core Design System & Theme Styles
   Nature-Inspired Emerald Palette, Glassmorphism & SaaS Aesthetics
   ================================================================ */

:root {
  /* Brand Green Palette */
  --sp-primary-950: #022c22;
  --sp-primary-900: #064e3b;
  --sp-primary-800: #065f46;
  --sp-primary-700: #047857;
  --sp-primary-600: #059669;
  --sp-primary-500: #10b981;
  --sp-primary-400: #34d399;
  --sp-primary-300: #6ee7b7;
  --sp-primary-200: #a7f3d0;
  --sp-primary-100: #d1fae5;
  --sp-primary-50:  #ecfdf5;

  /* Surfaces & Backgrounds (Light Theme) */
  --bg-app: #f4f8f5;
  --bg-surface: #ffffff;
  --bg-surface-elevated: #ffffff;
  --bg-surface-alt: #edf5f0;
  --border-subtle: #e2ede6;
  --border-strong: #c8ded1;

  /* Typography Colors */
  --text-primary: #064e3b;
  --text-heading: #022c22;
  --text-secondary: #4a6b5a;
  --text-muted: #789987;
  --text-inverse: #ffffff;

  /* Status Colors */
  --status-success: #10b981;
  --status-success-bg: #ecfdf5;
  --status-success-border: #a7f3d0;

  --status-warning: #f59e0b;
  --status-warning-bg: #fffbeb;
  --status-warning-border: #fde68a;

  --status-danger: #ef4444;
  --status-danger-bg: #fef2f2;
  --status-danger-border: #fecaca;

  --status-info: #3b82f6;
  --status-info-bg: #eff6ff;
  --status-info-border: #bfdbfe;

  --status-neutral: #64748b;
  --status-neutral-bg: #f1f5f9;
  --status-neutral-border: #e2e8f0;

  /* Shadows & Radius */
  --radius-sm: 8px;
  --radius-md: 12px;
  --radius-lg: 16px;
  --radius-xl: 20px;
  --radius-full: 9999px;

  --shadow-sm: 0 1px 2px rgba(6, 78, 59, 0.04);
  --shadow-md: 0 4px 14px -1px rgba(6, 78, 59, 0.06), 0 2px 6px -1px rgba(0, 0, 0, 0.03);
  --shadow-lg: 0 10px 25px -3px rgba(6, 78, 59, 0.08), 0 4px 10px -2px rgba(0, 0, 0, 0.04);
  --shadow-xl: 0 20px 30px -5px rgba(6, 78, 59, 0.12);

  /* Layout dimensions */
  --sidebar-width: 260px;
  --topbar-height: 70px;
  --transition-smooth: all 0.22s cubic-bezier(0.4, 0, 0.2, 1);
}

/* Dark Theme Overrides */
[data-theme="dark"] {
  --bg-app: #0c1410;
  --bg-surface: #13221b;
  --bg-surface-elevated: #182b22;
  --bg-surface-alt: #1a2f26;
  --border-subtle: #203a2e;
  --border-strong: #2c4d3e;

  --text-primary: #e6f4ed;
  --text-heading: #f0fdf4;
  --text-secondary: #9ec1b0;
  --text-muted: #678b79;

  --status-success-bg: rgba(16, 185, 129, 0.15);
  --status-warning-bg: rgba(245, 158, 11, 0.15);
  --status-danger-bg: rgba(239, 68, 68, 0.15);
  --status-info-bg: rgba(59, 130, 246, 0.15);
  --status-neutral-bg: rgba(148, 163, 184, 0.15);

  --shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.3);
  --shadow-md: 0 4px 16px rgba(0, 0, 0, 0.4);
  --shadow-lg: 0 10px 25px rgba(0, 0, 0, 0.5);
}

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

body {
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
  background-color: var(--bg-app);
  color: var(--text-primary);
  line-height: 1.5;
  -webkit-font-smoothing: antialiased;
  min-height: 100vh;
  display: flex;
}

/* App Container Layout */
.app-container {
  display: flex;
  width: 100%;
  min-height: 100vh;
  position: relative;
}

/* ================================================================
   Sidebar Navigation
   ================================================================ */
.app-sidebar {
  width: var(--sidebar-width);
  background-color: var(--bg-surface);
  border-right: 1px solid var(--border-subtle);
  display: flex;
  flex-direction: column;
  position: fixed;
  top: 0;
  bottom: 0;
  left: 0;
  z-index: 100;
  transition: var(--transition-smooth);
}

.sidebar-header {
  height: var(--topbar-height);
  padding: 0 20px;
  display: flex;
  align-items: center;
  border-bottom: 1px solid var(--border-subtle);
}

.brand-link {
  display: flex;
  align-items: center;
  gap: 12px;
  text-decoration: none;
}

.brand-logo-badge {
  width: 40px;
  height: 40px;
  background: linear-gradient(135deg, var(--sp-primary-600), var(--sp-primary-800));
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  color: white;
  box-shadow: 0 4px 10px rgba(5, 150, 105, 0.3);
}

.brand-info {
  display: flex;
  flex-direction: column;
}

.brand-title {
  font-size: 1.05rem;
  font-weight: 700;
  color: var(--text-heading);
  letter-spacing: -0.02em;
}

.brand-subtitle {
  font-size: 0.72rem;
  font-weight: 600;
  color: var(--sp-primary-600);
  text-transform: uppercase;
  letter-spacing: 0.04em;
}

.sidebar-nav {
  flex: 1;
  padding: 20px 14px;
  display: flex;
  flex-direction: column;
  gap: 6px;
  overflow-y: auto;
}

.nav-section-title {
  font-size: 0.68rem;
  text-transform: uppercase;
  font-weight: 700;
  color: var(--text-muted);
  letter-spacing: 0.06em;
  padding: 10px 12px 4px;
}

.nav-link {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 10px 14px;
  border-radius: var(--radius-md);
  color: var(--text-secondary);
  text-decoration: none;
  font-size: 0.9rem;
  font-weight: 500;
  transition: var(--transition-smooth);
}

.nav-link:hover {
  background-color: var(--bg-surface-alt);
  color: var(--sp-primary-700);
}

.nav-link.active {
  background-color: var(--sp-primary-50);
  color: var(--sp-primary-700);
  font-weight: 600;
}

[data-theme="dark"] .nav-link.active {
  background-color: rgba(5, 150, 105, 0.2);
  color: var(--sp-primary-400);
}

.nav-link i, .nav-link svg {
  width: 18px;
  height: 18px;
  flex-shrink: 0;
}

.sidebar-footer {
  padding: 16px;
  border-top: 1px solid var(--border-subtle);
  background-color: var(--bg-surface);
}

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

.user-avatar {
  width: 34px;
  height: 34px;
  border-radius: var(--radius-full);
  background: var(--sp-primary-700);
  color: white;
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 700;
  font-size: 0.8rem;
}

.user-details {
  flex: 1;
  min-width: 0;
}

.user-name {
  font-size: 0.82rem;
  font-weight: 600;
  color: var(--text-heading);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.user-role {
  font-size: 0.72rem;
  color: var(--text-muted);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

/* ================================================================
   Main Content Layout & Top Navigation
   ================================================================ */
.app-main {
  flex: 1;
  margin-left: var(--sidebar-width);
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  background-color: var(--bg-app);
  width: calc(100% - var(--sidebar-width));
}

.app-topbar {
  height: var(--topbar-height);
  background-color: var(--bg-surface);
  border-bottom: 1px solid var(--border-subtle);
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 28px;
  position: sticky;
  top: 0;
  z-index: 90;
}

.topbar-left {
  display: flex;
  align-items: center;
  gap: 16px;
}

.mobile-menu-toggle {
  display: none;
  background: none;
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-sm);
  padding: 6px;
  color: var(--text-primary);
  cursor: pointer;
}

.page-heading-group {
  display: flex;
  flex-direction: column;
}

.page-main-title {
  font-size: 1.15rem;
  font-weight: 700;
  color: var(--text-heading);
  line-height: 1.2;
}

.page-breadcrumb {
  font-size: 0.75rem;
  color: var(--text-muted);
  display: flex;
  align-items: center;
  gap: 6px;
}

.topbar-right {
  display: flex;
  align-items: center;
  gap: 14px;
}

/* Status Pills & Badges */
.status-pill {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 4px 10px;
  border-radius: var(--radius-full);
  font-size: 0.75rem;
  font-weight: 600;
  border: 1px solid transparent;
}

.status-dot {
  width: 7px;
  height: 7px;
  border-radius: 50%;
  display: inline-block;
}

.status-success {
  background-color: var(--status-success-bg);
  color: #047857;
  border-color: var(--status-success-border);
}
.status-success .status-dot { background-color: var(--status-success); }

.status-warning {
  background-color: var(--status-warning-bg);
  color: #b45309;
  border-color: var(--status-warning-border);
}
.status-warning .status-dot { background-color: var(--status-warning); }

.status-danger {
  background-color: var(--status-danger-bg);
  color: #dc2626;
  border-color: var(--status-danger-border);
}
.status-danger .status-dot { background-color: var(--status-danger); }

.status-info {
  background-color: var(--status-info-bg);
  color: #1d4ed8;
  border-color: var(--status-info-border);
}
.status-info .status-dot { background-color: var(--status-info); }

.status-neutral {
  background-color: var(--status-neutral-bg);
  color: #475569;
  border-color: var(--status-neutral-border);
}
.status-neutral .status-dot { background-color: var(--status-neutral); }

.status-dot-pulse {
  animation: pulseGreen 2s infinite;
}

@keyframes pulseGreen {
  0% { transform: scale(0.95); box-shadow: 0 0 0 0 rgba(16, 185, 129, 0.7); }
  70% { transform: scale(1); box-shadow: 0 0 0 6px rgba(16, 185, 129, 0); }
  100% { transform: scale(0.95); box-shadow: 0 0 0 0 rgba(16, 185, 129, 0); }
}

.last-sync-badge {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 0.75rem;
  color: var(--text-muted);
  background-color: var(--bg-surface-alt);
  padding: 5px 10px;
  border-radius: var(--radius-sm);
  border: 1px solid var(--border-subtle);
}

/* Button Component Styles */
.sp-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  font-size: 0.85rem;
  font-weight: 600;
  padding: 8px 16px;
  border-radius: var(--radius-md);
  border: 1px solid transparent;
  cursor: pointer;
  transition: var(--transition-smooth);
  text-decoration: none;
}

.sp-btn-sm {
  padding: 5px 10px;
  font-size: 0.78rem;
}

.sp-btn-primary {
  background-color: var(--sp-primary-600);
  color: white;
  box-shadow: 0 2px 6px rgba(5, 150, 105, 0.25);
}

.sp-btn-primary:hover {
  background-color: var(--sp-primary-700);
  box-shadow: 0 4px 10px rgba(5, 150, 105, 0.35);
}

.sp-btn-secondary {
  background-color: var(--bg-surface);
  border-color: var(--border-subtle);
  color: var(--text-primary);
}

.sp-btn-secondary:hover {
  background-color: var(--bg-surface-alt);
  border-color: var(--border-strong);
}

.icon-btn {
  width: 36px;
  height: 36px;
  padding: 0;
  border-radius: var(--radius-md);
  background-color: var(--bg-surface);
  border: 1px solid var(--border-subtle);
  color: var(--text-secondary);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  transition: var(--transition-smooth);
}

.icon-btn:hover {
  background-color: var(--bg-surface-alt);
  color: var(--sp-primary-600);
}

/* Main Content Body */
.page-content-wrapper {
  padding: 28px;
  flex: 1;
}

/* ================================================================
   Modals & Toasts
   ================================================================ */
.modal-backdrop {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background-color: rgba(6, 40, 28, 0.5);
  backdrop-filter: blur(4px);
  -webkit-backdrop-filter: blur(4px);
  z-index: 10000;
  opacity: 0;
  visibility: hidden;
  transition: opacity 0.25s ease;
}

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

.sp-modal {
  position: fixed;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -46%) scale(0.96);
  background-color: var(--bg-surface);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-xl);
  width: 90%;
  max-width: 480px;
  max-height: 90vh;
  overflow-y: auto;
  -webkit-overflow-scrolling: touch;
  z-index: 10005;
  opacity: 0;
  visibility: hidden;
  transition: all 0.25s cubic-bezier(0.16, 1, 0.3, 1);
  padding: 26px;
}

.sp-modal.active {
  transform: translate(-50%, -50%) scale(1);
  opacity: 1;
  visibility: visible;
}

.modal-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 20px;
}

.modal-title {
  font-size: 1.15rem;
  font-weight: 700;
  color: var(--text-heading);
}

.modal-close-btn {
  background: none;
  border: none;
  font-size: 1.4rem;
  color: var(--text-muted);
  cursor: pointer;
}

.modal-close-btn:hover {
  color: var(--text-heading);
}

/* Form Styles */
.form-group {
  margin-bottom: 16px;
}

.form-label {
  display: block;
  font-size: 0.8rem;
  font-weight: 600;
  color: var(--text-secondary);
  margin-bottom: 6px;
}

.form-input {
  width: 100%;
  padding: 10px 14px;
  border-radius: var(--radius-md);
  border: 1px solid var(--border-subtle);
  background-color: var(--bg-surface-alt);
  color: var(--text-primary);
  font-size: 0.88rem;
  transition: var(--transition-smooth);
}

.form-input:focus {
  outline: none;
  border-color: var(--sp-primary-500);
  background-color: var(--bg-surface);
  box-shadow: 0 0 0 3px rgba(16, 185, 129, 0.15);
}

/* Toast Notification Styles */
.toast-container {
  position: fixed;
  bottom: 24px;
  right: 24px;
  z-index: 2000;
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.sp-toast {
  background-color: var(--bg-surface);
  border: 1px solid var(--border-subtle);
  border-left: 4px solid var(--sp-primary-500);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-lg);
  padding: 12px 16px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  font-size: 0.84rem;
  color: var(--text-primary);
  min-width: 280px;
  max-width: 420px;
  animation: slideInToast 0.3s ease;
}

.sp-toast.toast-danger { border-left-color: var(--status-danger); }
.sp-toast.toast-warning { border-left-color: var(--status-warning); }
.sp-toast.toast-success { border-left-color: var(--status-success); }

.toast-content {
  display: flex;
  align-items: center;
  gap: 10px;
}

.toast-close {
  background: none;
  border: none;
  color: var(--text-muted);
  font-size: 1.1rem;
  cursor: pointer;
}

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

.sp-toast.toast-hiding {
  opacity: 0;
  transform: translateX(100%);
  transition: all 0.3s ease;
}

.icon-sm { width: 16px; height: 16px; }
.text-muted { color: var(--text-muted) !important; }
.text-xs { font-size: 0.75rem !important; }
.font-medium { font-weight: 500 !important; }
.text-center { text-align: center !important; }

/* Color utilities */
.text-primary { color: var(--sp-primary-600) !important; }
.text-success { color: var(--status-success) !important; }
.text-warning { color: var(--status-warning) !important; }
.text-danger { color: var(--status-danger) !important; }
.text-info { color: var(--status-info) !important; }

/* Sizing and Display */
.w-100 { width: 100% !important; }
.d-none { display: none !important; }
@media (min-width: 576px) {
  .d-sm-inline { display: inline !important; }
  .d-sm-flex { display: flex !important; }
}

/* Margin and Padding utilities */
.mt-1 { margin-top: 4px !important; }
.mt-2 { margin-top: 8px !important; }
.mt-3 { margin-top: 12px !important; }
.mb-1 { margin-bottom: 4px !important; }
.mb-2 { margin-bottom: 8px !important; }
.mb-3 { margin-bottom: 12px !important; }
.mb-4 { margin-bottom: 16px !important; }
.me-2 { margin-right: 8px !important; }
.ms-1 { margin-left: 4px !important; }
.py-4 { padding-top: 16px !important; padding-bottom: 16px !important; }
.py-5 { padding-top: 24px !important; padding-bottom: 24px !important; }

/* Table and Component Helpers */
.table-datetime {
  display: flex;
  flex-direction: column;
}

/* Spinner for Loading States */
.spinner-border {
  display: inline-block;
  width: 1rem;
  height: 1rem;
  vertical-align: -0.125em;
  border: 0.15em solid currentColor;
  border-right-color: transparent;
  border-radius: 50%;
  animation: spinner-border 0.75s linear infinite;
}

.spinner-border-sm {
  width: 0.85rem;
  height: 0.85rem;
  border-width: 0.12em;
}

@keyframes spinner-border {
  to { transform: rotate(360deg); }
}