/* Copied from chat.livingwater.education whatsapp.css to keep visual identity consistent */
@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700&display=swap');

:root {
  /* LWU brand */
  --lwu-bg: #034d66;
  --lwu-card-bg: #ffffff;
  --lwu-card-border: #e5e7eb;
  --lwu-primary: #0a7ea4;
  --lwu-primary-soft: rgba(10, 126, 164, 0.12);
  --lwu-primary-hover: #065a75;
  --lwu-accent: #0d9488;
  --lwu-text: #111827;
  --lwu-text-muted: #6b7280;
  --lwu-input-bg: #f5f7fa;
  --lwu-input-border: #e5e7eb;
  --lwu-radius-lg: 16px;
  --lwu-radius-md: 12px;
  --lwu-radius-pill: 999px;
  --lwu-shadow-soft: 0 20px 60px rgba(0, 0, 0, 0.15);
  --lwu-transition: 220ms cubic-bezier(0.21, 0.47, 0.32, 0.99);
  /* Chat-specific */
  --chat-bg: #f0f4f6;
  --chat-out: rgba(10, 126, 164, 0.15);
  --chat-out-border: rgba(10, 126, 164, 0.35);
  --chat-in: #ffffff;
  --shadow: 0 1px 3px rgba(0,0,0,.08);
}

* { box-sizing: border-box; }
body {
  margin: 0;
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  background: var(--chat-bg);
  color: var(--lwu-text);
}

/* Layout: sidebar + chat area */
.app {
  display: flex;
  height: 100vh;
  max-width: 1600px;
  margin: 0 auto;
  background: var(--lwu-card-bg);
  box-shadow: var(--lwu-shadow-soft);
}

/* Left panel */
.panel {
  width: 400px;
  min-width: 340px;
  display: flex;
  flex-direction: column;
  background: var(--lwu-card-bg);
  border-right: 1px solid var(--lwu-input-border);
}
.panel-header {
  padding: 12px 16px;
  background: var(--lwu-input-bg);
  display: flex;
  align-items: center;
  gap: 12px;
  border-bottom: 1px solid var(--lwu-input-border);
}
.panel-header .brand-logo img {
  display: block;
  max-width: 100px;
  max-height: 44px;
  width: auto;
  height: auto;
  object-fit: contain;
}
.panel-header .avatar {
  width: 40px;
  height: 40px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--lwu-primary) 0%, var(--lwu-primary-hover) 100%);
  color: #fff;
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 600;
  flex-shrink: 0;
}
.panel-header .title { flex: 1; font-size: 15px; font-weight: 600; color: var(--lwu-text); }
.panel-header .sub { font-size: 12px; color: var(--lwu-text-muted); }
.panel-header .brand-name { font-size: 11px; letter-spacing: 0.08em; text-transform: uppercase; color: var(--lwu-primary); }

.panel-section {
  padding: 16px;
  border-bottom: 1px solid var(--lwu-input-border);
}

.panel-section h2 {
  margin: 0 0 8px;
  font-size: 13px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--lwu-text-muted);
}

.panel-section .pill-row {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.panel-section .pill {
  padding: 6px 10px;
  border-radius: var(--lwu-radius-pill);
  border: 1px solid var(--lwu-input-border);
  font-size: 12px;
  color: var(--lwu-text-muted);
  background: #fff;
}

.panel-section .pill.primary {
  border-color: var(--lwu-primary-soft);
  background: var(--lwu-primary-soft);
  color: var(--lwu-primary);
}

.panel-content {
  padding: 16px;
  overflow-y: auto;
}

.field-label {
  font-size: 12px;
  color: var(--lwu-text-muted);
  margin-bottom: 6px;
}

.field-input {
  width: 100%;
  padding: 10px 14px;
  border-radius: var(--lwu-radius-pill);
  border: 1px solid var(--lwu-input-border);
  background: var(--lwu-input-bg);
  font-size: 14px;
  outline: none;
  margin-bottom: 12px;
}
.field-input:focus {
  border-color: var(--lwu-primary);
  box-shadow: 0 0 0 1px var(--lwu-primary);
  background: #fff;
}

.role-toggle {
  display: flex;
  gap: 8px;
  margin-bottom: 12px;
}

.role-toggle button {
  flex: 1;
  padding: 8px 10px;
  border-radius: var(--lwu-radius-pill);
  border: 1px solid var(--lwu-input-border);
  background: #fff;
  font-size: 13px;
  cursor: pointer;
  color: var(--lwu-text-muted);
  transition: all var(--lwu-transition);
}

.role-toggle button.chip-strong {
  background: linear-gradient(135deg, var(--lwu-primary) 0%, var(--lwu-primary-hover) 100%);
  color: #fff;
  border-color: transparent;
}

.panel-note {
  font-size: 11px;
  color: var(--lwu-text-muted);
}

.participants-list {
  margin-top: 10px;
  border-top: 1px dashed var(--lwu-input-border);
  padding-top: 10px;
  max-height: 180px;
  overflow-y: auto;
}

.participant {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 6px 0;
  font-size: 12px;
}
.participant-email {
  font-weight: 500;
  color: var(--lwu-text);
}
.participant-role {
  font-size: 11px;
  color: var(--lwu-text-muted);
}
.participant-lang {
  font-size: 11px;
  padding: 2px 8px;
  border-radius: var(--lwu-radius-pill);
  border: 1px solid var(--lwu-input-border);
}

/* Right: audio room */
.chat-area {
  flex: 1;
  display: flex;
  flex-direction: column;
  background: var(--chat-bg);
  background-image: url("data:image/svg+xml,%3Csvg width='60' height='60' viewBox='0 0 60 60' xmlns='http://www.w3.org/2000/svg'%3E%3Cg fill='none' fill-rule='evenodd'%3E%3Cg fill='%23e5e7eb' fill-opacity='0.5'%3E%3Cpath d='M36 34v-4h-2v4h-4v2h4v4h2v-4h4v-2h-4zm0-30V0h-2v4h-4v2h4v4h2V6h4V4h-4zM6 34v-4H4v4H0v2h4v4h2v-4h4v-2H6zM6 4V0H4v4H0v2h4v4h2V6h4V4H6z'/%3E%3C/g%3E%3C/g%3E%3C/svg%3E");
}

.chat-header {
  padding: 12px 16px;
  background: var(--lwu-card-bg);
  display: flex;
  align-items: center;
  gap: 12px;
  border-left: 1px solid var(--lwu-input-border);
  box-shadow: var(--shadow);
}
.chat-header .avatar {
  width: 40px;
  height: 40px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--lwu-primary) 0%, var(--lwu-primary-hover) 100%);
  color: #fff;
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 600;
}
.chat-header .info { flex: 1; }
.chat-header .name { font-size: 16px; font-weight: 600; color: var(--lwu-text); }
.chat-header .status { font-size: 13px; color: var(--lwu-text-muted); }

.chip-row {
  display: flex;
  gap: 8px;
}
.chip {
  padding: 5px 10px;
  border-radius: var(--lwu-radius-pill);
  border: 1px solid var(--lwu-input-border);
  font-size: 12px;
  color: var(--lwu-text-muted);
}
.chip-strong {
  border-color: transparent;
  background: linear-gradient(135deg, var(--lwu-primary) 0%, var(--lwu-primary-hover) 100%);
  color: #fff;
}

.chat-messages {
  flex: 1;
  overflow-y: auto;
  padding: 20px;
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.message-bubble {
  max-width: 70%;
  padding: 10px 12px;
  border-radius: var(--lwu-radius-md);
  box-shadow: var(--shadow);
  background: #fff;
  border: 1px solid var(--lwu-input-border);
  font-size: 13px;
  color: var(--lwu-text);
}
.message-meta {
  font-size: 11px;
  color: var(--lwu-text-muted);
  margin-bottom: 4px;
  display: flex;
  justify-content: space-between;
}
.message-text {
  font-size: 13px;
}

.chat-controls {
  padding: 12px 16px;
  background: var(--lwu-card-bg);
  border-left: 1px solid var(--lwu-input-border);
  display: flex;
  align-items: center;
  gap: 10px;
}

.btn-primary {
  padding: 10px 16px;
  border-radius: var(--lwu-radius-pill);
  border: none;
  background: linear-gradient(135deg, var(--lwu-primary) 0%, var(--lwu-primary-hover) 100%);
  color: #fff;
  font-size: 14px;
  font-weight: 500;
  cursor: pointer;
  transition: transform var(--lwu-transition), box-shadow var(--lwu-transition);
}
.btn-primary:hover {
  transform: translateY(-1px);
  box-shadow: 0 6px 20px rgba(10, 126, 164, 0.45);
}

.btn-secondary {
  padding: 10px 16px;
  border-radius: var(--lwu-radius-pill);
  border: 1px solid var(--lwu-input-border);
  background: #fff;
  font-size: 14px;
  font-weight: 500;
  cursor: pointer;
  color: var(--lwu-text-muted);
  transition: all var(--lwu-transition);
}
.btn-secondary:hover {
  border-color: var(--lwu-primary);
  color: var(--lwu-text);
}

.hidden {
  display: none !important;
}

/* Login page (if needed) */
.login-page {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  background: linear-gradient(135deg, #0a7ea4 0%, #034d66 100%);
  padding: 24px;
}
.login-box {
  background: var(--lwu-card-bg);
  padding: 32px 36px;
  border-radius: var(--lwu-radius-lg);
  border: 1px solid var(--lwu-card-border);
  box-shadow: var(--lwu-shadow-soft);
  width: 100%;
  max-width: 420px;
}