/* AgriAssist Pro - Design System & Custom Styles */
@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700;800&display=swap');
@import url('https://fonts.googleapis.com/css2?family=Material+Symbols+Outlined:wght,FILL@100..700,0..1&display=swap');

:root {
  --primary: #002b02;
  --on-primary: #ffffff;
  --primary-container: #154212;
  --on-primary-container: #7eaf73;
  --primary-fixed: #bcf0ae;
  --primary-fixed-dim: #a1d494;
  --on-primary-fixed: #002201;
  --on-primary-fixed-variant: #24501f;
  --forest-dark: #002201;

  --secondary: #904d00;
  --on-secondary: #ffffff;
  --secondary-container: #fca558;
  --on-secondary-container: #713b00;
  --secondary-fixed: #ffdcc3;
  --secondary-fixed-dim: #ffb77c;
  --amber-highlight: #fe932c;

  --tertiary: #450d28;
  --on-tertiary: #ffffff;
  --tertiary-container: #60233e;
  --on-tertiary-container: #dc8ba9;
  --tertiary-fixed: #ffd9e4;

  --error: #ba1a1a;
  --on-error: #ffffff;
  --error-container: #ffdad6;
  --on-error-container: #93000a;

  --background: #f8f9fa;
  --on-background: #191c1d;
  --surface: #ffffff;
  --surface-dim: #d9dadb;
  --surface-bright: #ffffff;
  --surface-container-lowest: #ffffff;
  --surface-container-low: #f3f4f5;
  --surface-container: #edeeef;
  --surface-container-high: #e7e8e9;
  --surface-container-highest: #e1e3e4;
  --surface-variant: #e1e3e4;
  --on-surface: #191c1d;
  --on-surface-variant: #42493e;
  --outline: #72796e;
  --outline-variant: #c2c9bb;
  --surface-tint: #3b6934;

  --shadow-card: 0 4px 20px rgba(0, 0, 0, 0.03);
  --shadow-card-hover: 0 10px 30px rgba(0, 43, 2, 0.08);
  --shadow-dropdown: 0 12px 36px rgba(0, 0, 0, 0.12);
  --sidebar-w: 280px;
  --header-h: 64px;
}

[data-theme="dark"] {
  --primary: #a1d494;
  --on-primary: #002201;
  --primary-container: #1b4d17;
  --on-primary-container: #c4f3b6;
  --primary-fixed: #24501f;
  --primary-fixed-dim: #154212;
  --on-primary-fixed: #bcf0ae;
  --forest-dark: #001501;

  --secondary: #ffb77c;
  --on-secondary: #4e2600;
  --secondary-container: #6e3900;
  --on-secondary-container: #ffdcc3;

  --background: #0f1411;
  --on-background: #e1e3e4;
  --surface: #161c18;
  --surface-dim: #111714;
  --surface-bright: #232b26;
  --surface-container-lowest: #121815;
  --surface-container-low: #1a221e;
  --surface-container: #202a25;
  --surface-container-high: #27342e;
  --surface-container-highest: #313f38;
  --surface-variant: #313f38;
  --on-surface: #f0f1f2;
  --on-surface-variant: #b8c2b5;
  --outline: #8c9588;
  --outline-variant: #424a3e;

  --shadow-card: 0 4px 20px rgba(0, 0, 0, 0.4);
  --shadow-card-hover: 0 10px 30px rgba(0, 0, 0, 0.6);
}

* {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

body {
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  background-color: var(--background);
  color: var(--on-background);
  min-height: 100vh;
  display: flex;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

.material-symbols-outlined {
  font-variation-settings: 'FILL' 0, 'wght' 400, 'GRAD' 0, 'opsz' 24;
  display: inline-block;
  vertical-align: middle;
}

.material-symbols-outlined.fill {
  font-variation-settings: 'FILL' 1, 'wght' 400, 'GRAD' 0, 'opsz' 24;
}

/* Sidebar Navigation */
.app-sidebar {
  position: fixed;
  left: 0;
  top: 0;
  bottom: 0;
  width: var(--sidebar-w);
  background-color: var(--primary);
  color: var(--on-primary);
  display: flex;
  flex-direction: column;
  padding: 24px 0;
  z-index: 100;
  box-shadow: 2px 0 12px rgba(0, 0, 0, 0.05);
  transition: transform 0.3s ease;
}

.sidebar-brand {
  padding: 0 28px;
  margin-bottom: 32px;
}

.sidebar-brand h1 {
  font-size: 24px;
  font-weight: 700;
  color: var(--on-primary);
  letter-spacing: -0.02em;
  display: flex;
  align-items: center;
  gap: 10px;
}

.sidebar-brand p {
  font-size: 12px;
  font-weight: 500;
  color: rgba(255, 255, 255, 0.75);
  letter-spacing: 0.02em;
  margin-top: 4px;
}

.nav-menu {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 6px;
  padding: 0 12px;
  flex: 1;
  overflow-y: auto;
}

.nav-link {
  display: flex;
  align-items: center;
  gap: 14px;
  padding: 12px 18px;
  border-radius: 12px;
  color: rgba(255, 255, 255, 0.82);
  text-decoration: none;
  font-size: 15px;
  font-weight: 500;
  transition: all 0.2s cubic-bezier(0.4, 0, 0.2, 1);
  position: relative;
}

.nav-link:hover {
  background-color: rgba(255, 255, 255, 0.1);
  color: #ffffff;
}

.nav-link.active {
  background-color: rgba(255, 255, 255, 0.18);
  color: #ffffff;
  font-weight: 600;
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.15);
}

.nav-link.active::before {
  content: '';
  position: absolute;
  left: 0;
  top: 6px;
  bottom: 6px;
  width: 4px;
  background-color: var(--primary-fixed);
  border-radius: 0 4px 4px 0;
}

.nav-badge {
  margin-left: auto;
  background: var(--amber-highlight);
  color: #002201;
  font-size: 11px;
  font-weight: 700;
  padding: 2px 8px;
  border-radius: 10px;
}

.sidebar-user {
  padding: 16px 20px;
  margin: 12px;
  background-color: rgba(0, 0, 0, 0.2);
  border-radius: 14px;
  display: flex;
  align-items: center;
  gap: 12px;
  border: 1px solid rgba(255, 255, 255, 0.1);
}

.user-avatar {
  width: 40px;
  height: 40px;
  border-radius: 50%;
  object-fit: cover;
  border: 2px solid var(--primary-fixed);
}

.user-info .name {
  font-size: 14px;
  font-weight: 600;
  color: #ffffff;
}

.user-info .role {
  font-size: 11px;
  color: var(--primary-fixed-dim);
}

/* Main Layout */
.app-main {
  flex: 1;
  margin-left: var(--sidebar-w);
  display: flex;
  flex-direction: column;
  min-height: 100vh;
  background-color: var(--background);
  transition: margin-left 0.3s ease;
}

/* Top Navigation Bar */
.app-header {
  position: sticky;
  top: 0;
  height: var(--header-h);
  background-color: rgba(248, 249, 250, 0.88);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--outline-variant);
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 32px;
  z-index: 90;
}

[data-theme="dark"] .app-header {
  background-color: rgba(22, 28, 24, 0.85);
  border-bottom: 1px solid var(--outline-variant);
}

.header-search {
  position: relative;
  width: 380px;
}

.header-search input {
  width: 100%;
  padding: 10px 16px 10px 42px;
  background-color: var(--surface-container);
  border: 1px solid transparent;
  border-radius: 10px;
  font-size: 14px;
  color: var(--on-surface);
  outline: none;
  transition: all 0.2s ease;
}

.header-search input:focus {
  background-color: var(--surface);
  border-color: var(--primary);
  box-shadow: 0 0 0 3px rgba(0, 43, 2, 0.1);
}

.header-search .search-icon {
  position: absolute;
  left: 12px;
  top: 50%;
  transform: translateY(-50%);
  color: var(--outline);
  font-size: 20px;
  pointer-events: none;
}

.header-actions {
  display: flex;
  align-items: center;
  gap: 12px;
}

.icon-btn {
  width: 40px;
  height: 40px;
  border-radius: 10px;
  border: 1px solid var(--outline-variant);
  background: var(--surface);
  color: var(--on-surface-variant);
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  position: relative;
  transition: all 0.2s ease;
}

.icon-btn:hover {
  background: var(--surface-container);
  color: var(--primary);
  border-color: var(--outline);
}

.notification-dot {
  position: absolute;
  top: 8px;
  right: 8px;
  width: 8px;
  height: 8px;
  background-color: var(--amber-highlight);
  border-radius: 50%;
  box-shadow: 0 0 0 2px var(--surface);
}

.primary-btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background-color: var(--primary);
  color: var(--on-primary);
  border: none;
  padding: 10px 20px;
  border-radius: 10px;
  font-size: 14px;
  font-weight: 600;
  cursor: pointer;
  transition: all 0.2s cubic-bezier(0.4, 0, 0.2, 1);
  box-shadow: 0 2px 6px rgba(0, 43, 2, 0.15);
}

.primary-btn:hover {
  background-color: var(--primary-container);
  box-shadow: 0 4px 12px rgba(0, 43, 2, 0.25);
  transform: translateY(-1px);
}

.secondary-btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background-color: var(--surface);
  color: var(--primary);
  border: 1.5px solid var(--primary);
  padding: 9px 18px;
  border-radius: 10px;
  font-size: 14px;
  font-weight: 600;
  cursor: pointer;
  transition: all 0.2s ease;
}

.secondary-btn:hover {
  background-color: var(--surface-container);
}

/* Page Content Views */
.content-container {
  padding: 32px;
  max-width: 1440px;
  width: 100%;
  margin: 0 auto;
  flex: 1;
}

.page-view {
  display: none;
  animation: fadeIn 0.25s ease forwards;
}

.page-view.active {
  display: block;
}

@keyframes fadeIn {
  from { opacity: 0; transform: translateY(6px); }
  to { opacity: 1; transform: translateY(0); }
}

/* Cards & Grid System */
.page-header {
  margin-bottom: 28px;
  display: flex;
  justify-content: space-between;
  align-items: flex-end;
  flex-wrap: wrap;
  gap: 16px;
}

.page-title {
  font-size: 32px;
  font-weight: 700;
  letter-spacing: -0.02em;
  color: var(--on-surface);
}

.page-subtitle {
  font-size: 15px;
  color: var(--on-surface-variant);
  margin-top: 4px;
}

.grid-12 {
  display: grid;
  grid-template-columns: repeat(12, 1fr);
  gap: 24px;
}

.col-12 { grid-column: span 12; }
.col-8 { grid-column: span 8; }
.col-6 { grid-column: span 6; }
.col-4 { grid-column: span 4; }
.col-3 { grid-column: span 3; }

.card {
  background-color: var(--surface);
  border: 1px solid var(--surface-container-highest);
  border-radius: 16px;
  padding: 24px;
  box-shadow: var(--shadow-card);
  transition: all 0.25s ease;
}

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

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

.card-title {
  font-size: 18px;
  font-weight: 600;
  color: var(--on-surface);
  display: flex;
  align-items: center;
  gap: 8px;
}

.card-subtitle {
  font-size: 12px;
  color: var(--outline);
}

/* KPI Summary Stat Cards */
.kpi-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 20px;
  margin-bottom: 24px;
}

.kpi-card {
  background-color: var(--surface);
  border: 1px solid var(--surface-container-highest);
  border-radius: 14px;
  padding: 20px;
  display: flex;
  align-items: center;
  gap: 16px;
  box-shadow: var(--shadow-card);
}

.kpi-icon {
  width: 52px;
  height: 52px;
  border-radius: 12px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 28px;
}

.kpi-icon.green { background-color: var(--primary-fixed); color: var(--on-primary-fixed); }
.kpi-icon.amber { background-color: var(--secondary-fixed); color: var(--secondary); }
.kpi-icon.blue { background-color: #d0e4ff; color: #00458f; }
.kpi-icon.purple { background-color: var(--tertiary-fixed); color: var(--tertiary); }

.kpi-details .kpi-value {
  font-size: 26px;
  font-weight: 700;
  color: var(--on-surface);
  line-height: 1.1;
}

.kpi-details .kpi-label {
  font-size: 13px;
  color: var(--on-surface-variant);
  margin-top: 2px;
}

.kpi-details .kpi-trend {
  font-size: 11px;
  font-weight: 600;
  display: inline-flex;
  align-items: center;
  gap: 2px;
  margin-top: 4px;
}

.trend-up { color: #1b8738; }
.trend-down { color: var(--error); }

/* Field Items List */
.field-item {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 16px;
  border-radius: 12px;
  background-color: var(--surface-container-lowest);
  border: 1px solid var(--surface-container-highest);
  margin-bottom: 12px;
  transition: all 0.2s ease;
}

.field-item:hover {
  border-color: var(--outline-variant);
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.04);
}

.badge {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  padding: 4px 10px;
  border-radius: 9999px;
  font-size: 12px;
  font-weight: 600;
}

.badge-success {
  background-color: rgba(188, 240, 174, 0.4);
  color: #154212;
}

.badge-warning {
  background-color: rgba(254, 147, 44, 0.2);
  color: #904d00;
}

.badge-danger {
  background-color: var(--error-container);
  color: var(--on-error-container);
}

.badge-neutral {
  background-color: var(--surface-container);
  color: var(--on-surface-variant);
}

/* Alert Cards */
.alert-card {
  padding: 16px;
  border-radius: 0 12px 12px 0;
  margin-bottom: 12px;
  border-left: 4px solid;
  transition: transform 0.2s ease;
}

.alert-card:hover {
  transform: translateX(4px);
}

.alert-card.danger {
  border-left-color: var(--error);
  background-color: rgba(255, 218, 214, 0.35);
}

.alert-card.warning {
  border-left-color: var(--secondary);
  background-color: rgba(252, 165, 88, 0.18);
}

.alert-card.info {
  border-left-color: #0284c7;
  background-color: rgba(2, 132, 199, 0.12);
}

/* Weather & Mini Forecast */
.weather-main {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding-bottom: 20px;
  border-bottom: 1px solid var(--surface-container-highest);
  margin-bottom: 20px;
}

.weather-temp {
  font-size: 48px;
  font-weight: 700;
  color: var(--on-surface);
  line-height: 1;
}

.weather-cond {
  font-size: 14px;
  color: var(--on-surface-variant);
  margin-top: 6px;
}

.forecast-days {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  text-align: center;
  gap: 8px;
}

.forecast-col .day {
  font-size: 12px;
  color: var(--outline);
  margin-bottom: 4px;
}

.forecast-col .temp {
  font-size: 14px;
  font-weight: 600;
  color: var(--on-surface);
}

/* AI Advisory Chat Layout */
.chat-workspace {
  display: grid;
  grid-template-columns: 280px 1fr;
  height: calc(100vh - var(--header-h) - 64px);
  background-color: var(--surface);
  border: 1px solid var(--surface-container-highest);
  border-radius: 16px;
  overflow: hidden;
  box-shadow: var(--shadow-card);
}

.chat-aside {
  border-right: 1px solid var(--surface-container-highest);
  display: flex;
  flex-direction: column;
  background-color: var(--surface-container-low);
}

.chat-aside-header {
  padding: 16px;
  border-bottom: 1px solid var(--surface-container-highest);
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.chat-topics-list {
  flex: 1;
  overflow-y: auto;
  padding: 12px;
}

.topic-btn {
  width: 100%;
  text-align: left;
  padding: 12px 14px;
  border-radius: 10px;
  background: transparent;
  border: 1px solid transparent;
  color: var(--on-surface);
  cursor: pointer;
  transition: all 0.2s ease;
  margin-bottom: 6px;
  display: block;
}

.topic-btn:hover {
  background-color: var(--surface-container);
}

.topic-btn.active {
  background-color: var(--surface);
  border-color: var(--outline-variant);
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.04);
}

.topic-btn .topic-title {
  font-size: 13px;
  font-weight: 600;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.topic-btn .topic-preview {
  font-size: 12px;
  color: var(--on-surface-variant);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  margin-top: 2px;
}

.chat-main-area {
  display: flex;
  flex-direction: column;
  height: 100%;
  background-color: var(--background);
  position: relative;
}

.chat-messages {
  flex: 1;
  overflow-y: auto;
  padding: 24px;
  display: flex;
  flex-direction: column;
  gap: 20px;
}

.msg-row {
  display: flex;
  gap: 14px;
  max-width: 85%;
}

.msg-row.user {
  margin-left: auto;
  flex-direction: row-reverse;
}

.msg-avatar {
  width: 36px;
  height: 36px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.msg-avatar.ai {
  background-color: var(--primary-container);
  color: var(--on-primary-container);
}

.msg-avatar.user {
  background-color: var(--surface-container-highest);
  color: var(--on-surface);
}

.msg-bubble {
  padding: 16px 20px;
  border-radius: 16px;
  font-size: 14px;
  line-height: 1.6;
}

.msg-row.user .msg-bubble {
  background-color: var(--primary);
  color: var(--on-primary);
  border-top-right-radius: 4px;
}

.msg-row.ai .msg-bubble {
  background-color: var(--surface);
  color: var(--on-surface);
  border: 1px solid var(--surface-container-highest);
  border-top-left-radius: 4px;
  box-shadow: var(--shadow-card);
}

.prompt-chips {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
  padding: 10px 24px;
  background-color: var(--background);
}

.chip {
  padding: 6px 14px;
  border-radius: 20px;
  background-color: var(--surface);
  border: 1px solid var(--surface-container-highest);
  font-size: 12px;
  font-weight: 500;
  color: var(--on-surface);
  cursor: pointer;
  transition: all 0.2s ease;
}

.chip:hover {
  background-color: var(--primary-fixed);
  color: var(--on-primary-fixed);
  border-color: var(--primary);
}

.chat-input-wrapper {
  padding: 16px 24px;
  background-color: var(--surface);
  border-top: 1px solid var(--surface-container-highest);
}

.chat-input-box {
  display: flex;
  align-items: center;
  gap: 8px;
  background-color: var(--surface-container-low);
  border: 1px solid var(--outline-variant);
  border-radius: 14px;
  padding: 6px 12px;
  transition: all 0.2s ease;
}

.chat-input-box:focus-within {
  border-color: var(--primary);
  background-color: var(--surface);
  box-shadow: 0 0 0 3px rgba(0, 43, 2, 0.1);
}

.chat-input-box textarea {
  flex: 1;
  background: transparent;
  border: none;
  outline: none;
  font-size: 14px;
  color: var(--on-surface);
  resize: none;
  padding: 8px 4px;
  max-height: 120px;
}

/* Crop Doctor Scanner UI */
.dropzone {
  border: 2px dashed var(--primary-fixed-dim);
  background-color: rgba(188, 240, 174, 0.08);
  border-radius: 16px;
  padding: 40px 20px;
  text-align: center;
  cursor: pointer;
  transition: all 0.25s ease;
  position: relative;
  overflow: hidden;
}

.dropzone:hover, .dropzone.dragover {
  border-color: var(--primary);
  background-color: rgba(188, 240, 174, 0.18);
  transform: scale(1.005);
}

.scanner-laser {
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 3px;
  background: linear-gradient(90deg, transparent, #fe932c, #a1d494, transparent);
  box-shadow: 0 0 12px #fe932c;
  display: none;
  animation: scanLaser 2s infinite alternate ease-in-out;
}

@keyframes scanLaser {
  0% { top: 0%; }
  100% { top: 98%; }
}

.sample-photos-row {
  display: flex;
  gap: 12px;
  margin-top: 16px;
  overflow-x: auto;
  padding-bottom: 6px;
}

.sample-photo-btn {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 8px 12px;
  background-color: var(--surface);
  border: 1px solid var(--surface-container-highest);
  border-radius: 10px;
  cursor: pointer;
  transition: all 0.2s ease;
  white-space: nowrap;
}

.sample-photo-btn:hover {
  border-color: var(--primary);
  background-color: var(--surface-container);
}

.sample-photo-btn img {
  width: 32px;
  height: 32px;
  border-radius: 6px;
  object-fit: cover;
}

/* Data Tables */
.data-table-container {
  overflow-x: auto;
  border-radius: 12px;
  border: 1px solid var(--surface-container-highest);
}

.data-table {
  width: 100%;
  border-collapse: collapse;
  text-align: left;
}

.data-table th {
  background-color: var(--surface-container-low);
  padding: 14px 18px;
  font-size: 12px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  color: var(--on-surface-variant);
  border-bottom: 1px solid var(--surface-container-highest);
}

.data-table td {
  padding: 14px 18px;
  font-size: 14px;
  color: var(--on-surface);
  border-bottom: 1px solid var(--surface-container-highest);
  height: 52px;
}

.data-table tr:hover {
  background-color: rgba(0, 43, 2, 0.02);
}

/* Modal Windows */
.modal-backdrop {
  position: fixed;
  inset: 0;
  background-color: rgba(0, 0, 0, 0.5);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  display: none;
  align-items: center;
  justify-content: center;
  z-index: 200;
  padding: 20px;
  opacity: 0;
  transition: opacity 0.25s ease;
}

.modal-backdrop.active {
  display: flex;
  opacity: 1;
}

.modal-dialog {
  background-color: var(--surface);
  border-radius: 18px;
  border: 1px solid var(--surface-container-highest);
  box-shadow: var(--shadow-dropdown);
  max-width: 680px;
  width: 100%;
  max-height: 90vh;
  overflow-y: auto;
  padding: 28px;
  position: relative;
  transform: scale(0.95);
  transition: transform 0.25s cubic-bezier(0.4, 0, 0.2, 1);
}

.modal-backdrop.active .modal-dialog {
  transform: scale(1);
}

.modal-close-btn {
  position: absolute;
  top: 20px;
  right: 20px;
  background: none;
  border: none;
  color: var(--outline);
  cursor: pointer;
  font-size: 24px;
  border-radius: 50%;
  width: 36px;
  height: 36px;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all 0.2s ease;
}

.modal-close-btn:hover {
  background-color: var(--surface-container);
  color: var(--on-surface);
}

/* Toast Notifications */
#toast-container {
  position: fixed;
  bottom: 24px;
  right: 24px;
  z-index: 300;
  display: flex;
  flex-direction: column;
  gap: 10px;
  pointer-events: none;
}

.toast {
  pointer-events: auto;
  background-color: var(--inverse-surface);
  color: var(--inverse-on-surface);
  padding: 14px 20px;
  border-radius: 12px;
  font-size: 14px;
  font-weight: 500;
  display: flex;
  align-items: center;
  gap: 12px;
  box-shadow: 0 10px 25px rgba(0, 0, 0, 0.2);
  animation: slideToast 0.3s ease forwards;
}

@keyframes slideToast {
  from { opacity: 0; transform: translateY(20px); }
  to { opacity: 1; transform: translateY(0); }
}

/* Mobile Responsiveness */
.menu-toggle {
  display: none;
}

@media (max-width: 1024px) {
  .app-sidebar {
    transform: translateX(-100%);
  }
  .app-sidebar.open {
    transform: translateX(0);
  }
  .app-main {
    margin-left: 0;
  }
  .menu-toggle {
    display: flex;
  }
  .chat-workspace {
    grid-template-columns: 1fr;
  }
  .chat-aside {
    display: none;
  }
}

@media (max-width: 768px) {
  .header-search {
    width: 200px;
  }
  .content-container {
    padding: 16px;
  }
  .grid-12 {
    gap: 16px;
  }
  .col-12, .col-8, .col-6, .col-4, .col-3 {
    grid-column: span 12;
  }
}