* { margin: 0; padding: 0; box-sizing: border-box; }
:root {
  --primary: #25D366;
  --primary-dark: #128C7E;
  --dark: #1f2937;
  --gray: #6b7280;
  --light: #f9fafb;
  --border: #e5e7eb;
  --bg: #f3f4f6;
  --white: #fff;
  --success: #10b981;
  --warning: #f59e0b;
  --danger: #ef4444;
}
body {
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  color: var(--dark);
  background: var(--bg);
  font-size: 14px;
  line-height: 1.5;
}
.app { display: flex; min-height: 100vh; }

/* Sidebar */
.sidebar {
  width: 240px;
  background: #0f172a;
  color: white;
  display: flex;
  flex-direction: column;
  position: fixed;
  top: 0; left: 0; bottom: 0;
}
.sidebar-header { padding: 20px 16px; border-bottom: 1px solid rgba(255,255,255,0.1); }
.logo { display: flex; align-items: center; gap: 10px; font-weight: 700; font-size: 18px; }
.logo-icon {
  width: 32px; height: 32px;
  background: linear-gradient(135deg, var(--primary), var(--primary-dark));
  border-radius: 50%;
  display: flex; align-items: center; justify-content: center;
}
.logo-icon svg { width: 20px; height: 20px; }

.side-nav { flex: 1; padding: 16px 8px; display: flex; flex-direction: column; gap: 2px; }
.nav-item {
  padding: 10px 14px; border-radius: 8px;
  color: #94a3b8; text-decoration: none;
  display: flex; align-items: center; gap: 12px;
  transition: all 0.15s;
  font-size: 14px;
}
.nav-item:hover { background: rgba(255,255,255,0.05); color: white; }
.nav-item.active { background: rgba(37,211,102,0.15); color: var(--primary); }
.nav-item .icon { font-size: 16px; }

.sidebar-footer { padding: 16px; border-top: 1px solid rgba(255,255,255,0.1); }
.user-card { display: flex; align-items: center; gap: 10px; }
.avatar {
  width: 36px; height: 36px; border-radius: 50%;
  background: var(--primary); display: flex; align-items: center; justify-content: center;
  font-weight: 700; color: white;
}
.user-info { font-size: 13px; }
.user-name { color: white; font-weight: 600; }
.user-email { color: #64748b; font-size: 12px; }

/* Main */
.main-content { flex: 1; margin-left: 240px; min-width: 0; }
.topbar {
  background: white;
  padding: 16px 32px;
  border-bottom: 1px solid var(--border);
  display: flex;
  justify-content: space-between;
  align-items: center;
  position: sticky;
  top: 0;
  z-index: 10;
}
.topbar h1 { font-size: 20px; font-weight: 700; }
.topbar-actions { display: flex; gap: 12px; align-items: center; }
.client-selector { display: flex; align-items: center; gap: 8px; font-size: 13px; color: var(--gray); }
.client-selector select { padding: 6px 12px; border: 1px solid var(--border); border-radius: 6px; }

/* Buttons */
.btn {
  padding: 8px 16px; border-radius: 8px; border: none; cursor: pointer;
  font-weight: 600; font-size: 14px; transition: all 0.15s;
  display: inline-flex; align-items: center; gap: 6px;
  text-decoration: none;
}
.btn-primary { background: var(--primary); color: white; }
.btn-primary:hover { background: var(--primary-dark); }
.btn-secondary { background: var(--light); color: var(--dark); border: 1px solid var(--border); }
.btn-secondary:hover { background: #f3f4f6; }
.btn-outline { background: white; color: var(--dark); border: 1px solid var(--border); }
.btn-outline:hover { background: var(--light); }
.btn-danger { background: var(--danger); color: white; }
.btn-sm { padding: 6px 12px; font-size: 12px; }

/* Content */
.content-area { padding: 24px 32px; }
.back-btn {
  background: none; border: none; color: var(--gray); cursor: pointer;
  font-size: 14px; margin-bottom: 16px; padding: 0;
}
.back-btn:hover { color: var(--dark); }

.tabs { display: flex; gap: 4px; margin-bottom: 20px; border-bottom: 1px solid var(--border); }
.tab {
  padding: 10px 20px; background: none; border: none; cursor: pointer;
  color: var(--gray); font-weight: 600; font-size: 14px;
  border-bottom: 2px solid transparent;
  transition: all 0.15s;
}
.tab.active { color: var(--primary); border-bottom-color: var(--primary); }
.tab:hover { color: var(--dark); }

/* Table */
.templates-table-wrap { background: white; border-radius: 12px; border: 1px solid var(--border); overflow: hidden; }
.templates-table { width: 100%; border-collapse: collapse; }
.templates-table th {
  text-align: left; padding: 12px 16px;
  background: var(--light); font-weight: 600; font-size: 13px; color: var(--gray);
  border-bottom: 1px solid var(--border);
}
.templates-table td { padding: 14px 16px; border-bottom: 1px solid var(--border); font-size: 14px; }
.templates-table tr:last-child td { border-bottom: none; }
.templates-table tr:hover { background: var(--light); }
.loading { text-align: center; color: var(--gray); padding: 40px 0 !important; }

.status-badge {
  display: inline-block; padding: 3px 10px; border-radius: 12px;
  font-size: 12px; font-weight: 600; text-transform: uppercase;
}
.status-approved { background: #d1fae5; color: #065f46; }
.status-pending { background: #fef3c7; color: #92400e; }
.status-rejected { background: #fee2e2; color: #991b1b; }
.status-draft { background: #e5e7eb; color: #374151; }

/* Form */
h2 { font-size: 24px; font-weight: 700; margin-bottom: 8px; }
h3 { font-size: 15px; font-weight: 700; margin-bottom: 12px; color: var(--dark); }
.muted { color: var(--gray); margin-bottom: 20px; }
.muted.small { font-size: 12px; margin-bottom: 12px; }

.form-grid {
  display: grid;
  grid-template-columns: 1fr 360px;
  gap: 32px;
  margin-top: 20px;
}
.form-column { min-width: 0; }
.preview-column { position: sticky; top: 90px; align-self: start; }

.section {
  background: white;
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 20px;
  margin-bottom: 16px;
}
.form-group { margin-bottom: 16px; }
.form-group:last-child { margin-bottom: 0; }
.form-group label {
  display: block; font-weight: 600; font-size: 13px;
  margin-bottom: 6px; color: var(--dark);
}
.form-group input[type="text"],
.form-group input[type="number"],
.form-group input[type="tel"],
.form-group input[type="url"],
.form-group select,
.form-group textarea {
  width: 100%;
  padding: 10px 12px;
  border: 1px solid var(--border);
  border-radius: 8px;
  font-family: inherit;
  font-size: 14px;
  transition: border-color 0.15s;
}
.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
  outline: none;
  border-color: var(--primary);
}
.form-group textarea { resize: vertical; min-height: 100px; font-family: inherit; }
.hint { font-size: 12px; color: var(--gray); margin-top: 4px; display: block; }

.radio-group { display: flex; gap: 16px; flex-wrap: wrap; }
.radio-group label { display: inline-flex; align-items: center; gap: 6px; font-weight: normal; margin: 0; cursor: pointer; }
.radio-group input[type="radio"] { margin: 0; }

.variable-chips { margin-top: 8px; }
.chip {
  display: inline-block; padding: 4px 10px;
  background: #e0f2fe; color: #0369a1;
  border-radius: 12px; font-size: 12px;
  cursor: pointer; transition: all 0.15s;
  margin-right: 4px;
}
.chip:hover { background: #bae6fd; }

/* Predefined variable chips */
.predefined-vars {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  padding: 8px 0;
}
.var-chip {
  display: inline-block;
  padding: 6px 12px;
  background: #f3f4f6;
  color: #374151;
  border-radius: 6px;
  font-size: 12px;
  font-family: 'SF Mono', Monaco, Consolas, monospace;
  cursor: pointer;
  transition: all 0.15s;
  border: 1px solid #e5e7eb;
}
.var-chip:hover {
  background: #e0f2fe;
  color: #0369a1;
  border-color: #bae6fd;
  transform: translateY(-1px);
}

/* Variable Samples section */
.samples-label {
  display: block;
  font-weight: 600;
  font-size: 13px;
  margin-bottom: 8px;
  color: var(--dark);
}
.sample-row {
  display: grid;
  grid-template-columns: 120px 1fr;
  gap: 12px;
  align-items: center;
  margin-bottom: 8px;
}
.sample-label {
  background: #f3f4f6;
  padding: 8px 10px;
  border-radius: 6px;
  font-family: 'SF Mono', Monaco, Consolas, monospace;
  font-size: 12px;
  text-align: center;
  color: #374151;
}
.sample-row input {
  padding: 8px 10px;
  border: 1px solid var(--border);
  border-radius: 6px;
  font-size: 13px;
}
.sample-row input:focus {
  outline: none;
  border-color: var(--primary);
}

/* Form row for side-by-side fields */
.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
}
.form-row .form-group {
  margin-bottom: 0;
}

.form-actions { display: flex; gap: 12px; justify-content: flex-end; padding-top: 20px; }

/* Button config */
.button-config {
  background: var(--light);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 14px;
  margin-bottom: 10px;
  position: relative;
}
.button-config-header {
  display: flex; justify-content: space-between; align-items: center;
  margin-bottom: 12px;
}
.button-config-type { font-weight: 600; font-size: 13px; color: var(--primary-dark); }
.btn-remove {
  background: none; border: none; color: var(--danger);
  font-size: 16px; cursor: pointer; padding: 0;
}
.button-config-grid { display: grid; gap: 10px; grid-template-columns: 1fr 1fr; }
.button-config-grid .full-width { grid-column: 1 / -1; }

.button-add-group { display: flex; gap: 8px; flex-wrap: wrap; }

/* Phone preview */
.phone-preview {
  background: #e5ddd5;
  border-radius: 20px;
  overflow: hidden;
  box-shadow: 0 10px 40px rgba(0,0,0,0.15);
  border: 8px solid #1f2937;
}
.phone-header {
  background: #075e54;
  color: white;
  padding: 12px 16px;
  display: flex;
  align-items: center;
  gap: 10px;
}
.back-arrow { font-size: 20px; }
.phone-avatar {
  width: 32px; height: 32px; border-radius: 50%;
  background: var(--primary);
  display: flex; align-items: center; justify-content: center;
  font-size: 11px; font-weight: 700;
}
.phone-name { font-weight: 600; font-size: 14px; }
.phone-status { font-size: 11px; opacity: 0.8; }

.phone-body { padding: 14px; min-height: 400px; background: url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' width='100' height='100'><circle cx='50' cy='50' r='1' fill='%23ccc' opacity='0.3'/></svg>"); background-color: #e5ddd5; }
.phone-day-divider {
  text-align: center;
  margin: 8px 0 16px;
}
.phone-day-divider span {
  background: #dde0e2;
  color: #64748b;
  font-size: 11px;
  padding: 3px 10px;
  border-radius: 8px;
}

.phone-message {
  background: white;
  border-radius: 8px;
  padding: 8px 10px;
  margin-bottom: 2px;
  max-width: 85%;
  box-shadow: 0 1px 2px rgba(0,0,0,0.1);
  position: relative;
}
.msg-header {
  font-weight: 600; margin-bottom: 6px; font-size: 13px;
}
.msg-header img { width: 100%; border-radius: 6px; }
.msg-body { font-size: 13px; white-space: pre-wrap; word-break: break-word; }
.msg-footer { font-size: 11px; color: var(--gray); margin-top: 6px; }
.msg-time { font-size: 10px; color: var(--gray); text-align: right; margin-top: 4px; }

.msg-buttons { max-width: 85%; margin-top: 4px; }
.msg-button {
  background: white;
  padding: 8px;
  text-align: center;
  font-size: 13px;
  color: #128C7E;
  font-weight: 500;
  margin-top: 2px;
  border-radius: 4px;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
  cursor: pointer;
}
.msg-button-icon { font-size: 14px; }

/* Toast */
.toast {
  position: fixed;
  bottom: 24px;
  right: 24px;
  padding: 14px 20px;
  background: var(--dark);
  color: white;
  border-radius: 8px;
  font-size: 14px;
  box-shadow: 0 10px 40px rgba(0,0,0,0.2);
  opacity: 0;
  transform: translateY(20px);
  transition: all 0.3s;
  pointer-events: none;
}
.toast.show { opacity: 1; transform: translateY(0); }
.toast.success { background: var(--success); }
.toast.error { background: var(--danger); }

@media (max-width: 900px) {
  .sidebar { width: 60px; }
  .sidebar .logo span, .sidebar .user-info, .sidebar .nav-item span:last-child { display: none; }
  .main-content { margin-left: 60px; }
  .form-grid { grid-template-columns: 1fr; }
  .preview-column { display: none; }
}