@import url('https://fonts.googleapis.com/css2?family=Inter:wght@400;600;700&display=swap');

:root {
  --bg: #f5f7f9;
  --surface: #ffffff;
  --text: #111827;
  --muted: #6b7280;
  --border: #e5e7eb;
  --primary: #25d366;
  --primary-dark: #1ea856;
  --sidebar-dark: #1f2937;
  --sidebar-dark-muted: #9ca3af;
  --shadow: 0 8px 24px rgba(15, 23, 42, 0.08);
  --radius-sm: 8px;
  --radius-md: 12px;
}

* {
  box-sizing: border-box;
}

body {
  font-family: 'Inter', system-ui, -apple-system, Segoe UI, sans-serif;
  background: var(--bg);
  color: var(--text);
}

.topbar {
  height: 64px;
  background: var(--surface);
  border-bottom: 1px solid var(--border);
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 1.5rem;
  position: sticky;
  top: 0;
  z-index: 10;
}

.brand {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  font-weight: 700;
  font-size: 1.1rem;
}

.brand-badge {
  width: 36px;
  height: 36px;
  border-radius: 10px;
  background: var(--primary);
  color: #fff;
  display: grid;
  place-items: center;
  font-weight: 700;
}

.topbar .meta {
  display: flex;
  align-items: center;
  gap: 1rem;
  font-size: 0.9rem;
  color: var(--muted);
}

.status-pill {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  padding: 0.25rem 0.6rem;
  border-radius: 999px;
  background: rgba(37, 211, 102, 0.12);
  color: var(--primary-dark);
  font-weight: 600;
  font-size: 0.75rem;
}

.app-shell {
  height: calc(100vh - 64px);
  display: flex;
  gap: 1rem;
  padding: 1rem 1.5rem 1.5rem;
}

.panel {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow);
}

.contacts-panel {
  width: 320px;
  display: flex;
  flex-direction: column;
}

.contacts-panel .search {
  padding: 1rem;
  border-bottom: 1px solid var(--border);
}

.contacts-list {
  overflow-y: auto;
}

.contact-item {
  padding: 0.85rem 1rem;
  border-bottom: 1px solid var(--border);
  cursor: pointer;
  display: flex;
  justify-content: space-between;
  gap: 0.75rem;
  transition: background 0.15s ease;
}

.contact-item:hover,
.contact-item.active {
  background: rgba(37, 211, 102, 0.08);
}

.contact-item .meta {
  font-size: 0.75rem;
  color: var(--muted);
}

.unread {
  background: var(--primary);
  color: #fff;
  border-radius: 999px;
  font-size: 0.7rem;
  padding: 0.1rem 0.45rem;
  font-weight: 700;
}

.chat-panel {
  flex: 1;
  display: flex;
  flex-direction: column;
}

.chat-header {
  padding: 1rem 1.5rem;
  border-bottom: 1px solid var(--border);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
}

.chat-actions .btn {
  border-radius: 999px;
  font-size: 0.8rem;
}

.chat-body {
  flex: 1;
  padding: 1.25rem;
  overflow-y: auto;
  background: #fafafa;
}

.message {
  max-width: 70%;
  padding: 0.65rem 0.9rem;
  border-radius: 14px;
  margin-bottom: 0.6rem;
  font-size: 0.9rem;
  line-height: 1.4;
}

.message.in {
  background: #ffffff;
  border: 1px solid var(--border);
}

.message.out {
  background: rgba(37, 211, 102, 0.18);
  margin-left: auto;
  border: 1px solid rgba(37, 211, 102, 0.3);
}

.message .time {
  font-size: 0.7rem;
  color: var(--muted);
  margin-top: 0.35rem;
}

.chat-input {
  border-top: 1px solid var(--border);
  padding: 1rem 1.25rem;
  background: var(--surface);
}

.chat-input .form-control {
  border-radius: 999px;
}

.quick-replies {
  display: flex;
  gap: 0.5rem;
  flex-wrap: wrap;
}

.quick-replies .btn {
  border-radius: 999px;
  font-size: 0.75rem;
}

.admin-shell {
  display: grid;
  grid-template-columns: 240px 1fr;
  height: calc(100vh - 64px);
}

.admin-sidebar {
  background: var(--sidebar-dark);
  color: #fff;
  padding: 1.5rem 1rem;
}

.admin-sidebar .nav-link {
  color: var(--sidebar-dark-muted);
  border-radius: 8px;
  margin-bottom: 0.3rem;
  padding: 0.6rem 0.85rem;
  font-weight: 600;
}

.admin-sidebar .nav-link.active,
.admin-sidebar .nav-link:hover {
  background: rgba(255, 255, 255, 0.08);
  color: #fff;
}

.admin-content {
  padding: 1.5rem;
  overflow-y: auto;
}

.stat-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  padding: 1.25rem;
  box-shadow: var(--shadow);
}

.table thead th {
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  color: var(--muted);
}

.badge-status {
  padding: 0.35rem 0.6rem;
  border-radius: 999px;
  font-size: 0.7rem;
}

.badge-status.normal {
  background: rgba(37, 211, 102, 0.15);
  color: var(--primary-dark);
}

.badge-status.blocked {
  background: rgba(239, 68, 68, 0.12);
  color: #b91c1c;
}

.section-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  padding: 1.5rem;
  box-shadow: var(--shadow);
}

.toast-container {
  position: fixed;
  bottom: 1.5rem;
  right: 1.5rem;
  z-index: 1055;
}

.form-control,
.form-select {
  border-radius: 8px;
}

.btn-primary {
  background: var(--primary);
  border-color: var(--primary);
}

.btn-primary:hover {
  background: var(--primary-dark);
  border-color: var(--primary-dark);
}

.muted {
  color: var(--muted);
}

.empty {
  text-align: center;
  color: var(--muted);
  padding: 2rem 1rem;
}

@media (max-width: 992px) {
  .app-shell {
    flex-direction: column;
    height: auto;
  }
  .contacts-panel {
    width: 100%;
  }
  .admin-shell {
    grid-template-columns: 1fr;
  }
  .admin-sidebar {
    display: flex;
    gap: 0.5rem;
    overflow-x: auto;
  }
}

/* Emoji Button Alignment */
.chat-input .position-relative {
  display: flex;
  align-items: center;
}

[data-emoji-trigger] {
  padding: 0.5rem 0.7rem;
  font-size: 1.25rem;
  line-height: 1;
  background-color: var(--surface) !important;
  border-color: var(--border) !important;
  border-radius: 999px !important;
}

emoji-picker {
  --emoji-size: 1.5rem;
  --indicator-color: var(--primary);
  --border-color: var(--border);
  width: 320px;
  height: 400px;
}