/* ─── SMS Campaign Foundation ─────────────────────────────────────────────────
   Prefix: sms-*
   Light theme via CSS custom properties; dark mode via prefers-color-scheme.
   Phase 3 MC2.0: SMS Campaign Foundation
   ─────────────────────────────────────────────────────────────────────────── */

/* ── Shell & Layout ──────────────────────────────────────────────────────── */
.sms-shell {
  display: flex;
  flex-direction: column;
  height: 100%;
  background: var(--bg-primary, #ffffff);
  color: var(--text-primary, #1a1a2e);
  font-family: var(--font-body, -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif);
}

.sms-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 20px 24px 16px;
  border-bottom: 1px solid var(--border-light, #e8e8f0);
  flex-shrink: 0;
}

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

.sms-header-icon {
  font-size: 22px;
}

.sms-header h2 {
  margin: 0;
  font-size: 20px;
  font-weight: 700;
  color: var(--text-primary, #1a1a2e);
}

.sms-header-subtitle {
  font-size: 13px;
  color: var(--text-muted, #8888a8);
  margin-top: 1px;
}

.sms-header-actions {
  display: flex;
  gap: 10px;
  align-items: center;
}

/* ── Compliance Banner ────────────────────────────────────────────────────── */
.sms-compliance-banner {
  background: #fff7e6;
  border-bottom: 1px solid #ffe0a0;
  padding: 10px 24px;
  display: flex;
  align-items: flex-start;
  gap: 10px;
  font-size: 13px;
  color: #7a5500;
  flex-shrink: 0;
}

.sms-compliance-banner strong {
  color: #5a3d00;
}

/* ── Tab Nav ─────────────────────────────────────────────────────────────── */
.sms-tabs {
  display: flex;
  gap: 0;
  border-bottom: 1px solid var(--border-light, #e8e8f0);
  background: var(--bg-primary, #ffffff);
  padding: 0 24px;
  flex-shrink: 0;
}

.sms-tab {
  display: flex;
  align-items: center;
  gap: 6px;
  padding: 11px 14px 10px;
  font-size: 13px;
  font-weight: 500;
  color: var(--text-muted, #8888a8);
  background: none;
  border: none;
  border-bottom: 2px solid transparent;
  cursor: pointer;
  margin-bottom: -1px;
  transition: color 0.15s, border-color 0.15s;
  white-space: nowrap;
}

.sms-tab:hover {
  color: var(--text-primary, #1a1a2e);
}

.sms-tab.active {
  color: var(--gold, #b8942a);
  border-bottom-color: var(--gold, #b8942a);
  font-weight: 600;
}

.sms-tab-badge {
  background: var(--bg-tertiary, #f0f0f8);
  color: var(--text-muted, #8888a8);
  font-size: 11px;
  font-weight: 600;
  border-radius: 10px;
  padding: 1px 7px;
  min-width: 18px;
  text-align: center;
}

.sms-tab.active .sms-tab-badge {
  background: var(--gold-light, #fef9ec);
  color: var(--gold, #b8942a);
}

/* ── Content Area ────────────────────────────────────────────────────────── */
.sms-content {
  flex: 1;
  overflow-y: auto;
  padding: 20px 24px;
}

/* ── Card Grid ───────────────────────────────────────────────────────────── */
.sms-card-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
  gap: 16px;
}

.sms-card {
  background: var(--bg-primary, #ffffff);
  border: 1px solid var(--border-light, #e8e8f0);
  border-radius: 10px;
  padding: 16px;
  cursor: pointer;
  transition: box-shadow 0.15s, border-color 0.15s;
}

.sms-card:hover {
  box-shadow: 0 4px 16px rgba(0,0,0,0.08);
  border-color: var(--border-medium, #d0d0e0);
}

.sms-card-header {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  margin-bottom: 8px;
}

.sms-card-title {
  font-size: 15px;
  font-weight: 600;
  color: var(--text-primary, #1a1a2e);
  margin: 0 0 3px;
}

.sms-card-preview {
  font-size: 13px;
  color: var(--text-secondary, #555577);
  margin: 0 0 10px;
  line-height: 1.5;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.sms-card-meta {
  display: flex;
  gap: 12px;
  font-size: 12px;
  color: var(--text-muted, #8888a8);
  flex-wrap: wrap;
}

.sms-card-chars {
  font-size: 11px;
  color: var(--text-muted, #8888a8);
  margin-left: auto;
  font-weight: 500;
}

/* ── Status Pills ─────────────────────────────────────────────────────────── */
.sms-status-pill {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  padding: 3px 9px;
  border-radius: 12px;
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.02em;
  text-transform: uppercase;
}

.sms-status-pill.draft      { background: #f0f0f8; color: #6666aa; }
.sms-status-pill.scheduled  { background: #e8f4ff; color: #2266cc; }
.sms-status-pill.sent       { background: #e8f8ee; color: #228844; }
.sms-status-pill.archived   { background: #f8f0ff; color: #8844cc; }

/* ── Compliance Status Tags ────────────────────────────────────────────────── */
.sms-consent-tag {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  padding: 2px 7px;
  border-radius: 10px;
  font-size: 11px;
  font-weight: 600;
}

.sms-consent-tag.opted-in  { background: #e8f8ee; color: #228844; }
.sms-consent-tag.opted-out { background: #ffeeee; color: #cc2222; }
.sms-consent-tag.unknown   { background: #f8f8f0; color: #888866; }

/* ── Detail View ──────────────────────────────────────────────────────────── */
.sms-detail-header {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 20px;
}

.sms-back-btn {
  background: none;
  border: 1px solid var(--border-light, #e8e8f0);
  border-radius: 8px;
  padding: 7px 13px;
  font-size: 13px;
  cursor: pointer;
  color: var(--text-secondary, #555577);
  display: flex;
  align-items: center;
  gap: 5px;
  transition: background 0.15s;
}

.sms-back-btn:hover {
  background: var(--bg-secondary, #f5f5fc);
}

.sms-detail-title-area {
  flex: 1;
}

.sms-detail-title-area h3 {
  margin: 0 0 2px;
  font-size: 18px;
  font-weight: 700;
}

.sms-detail-tabs {
  display: flex;
  gap: 0;
  border-bottom: 1px solid var(--border-light, #e8e8f0);
  margin-bottom: 20px;
}

.sms-detail-tab {
  padding: 9px 16px 8px;
  font-size: 13px;
  font-weight: 500;
  color: var(--text-muted, #8888a8);
  background: none;
  border: none;
  border-bottom: 2px solid transparent;
  cursor: pointer;
  margin-bottom: -1px;
  transition: color 0.15s, border-color 0.15s;
}

.sms-detail-tab:hover { color: var(--text-primary, #1a1a2e); }
.sms-detail-tab.active {
  color: var(--gold, #b8942a);
  border-bottom-color: var(--gold, #b8942a);
  font-weight: 600;
}

/* ── Overview Grid ──────────────────────────────────────────────────────── */
.sms-overview-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 12px;
  margin-bottom: 20px;
}

.sms-overview-field {
  display: flex;
  flex-direction: column;
  gap: 3px;
}

.sms-overview-label {
  font-size: 11px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--text-muted, #8888a8);
}

.sms-overview-value {
  font-size: 14px;
  color: var(--text-primary, #1a1a2e);
}

/* ── Compose Area ────────────────────────────────────────────────────────── */
.sms-compose-area {
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.sms-compose-field {
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.sms-compose-field label {
  font-size: 12px;
  font-weight: 600;
  color: var(--text-secondary, #555577);
  text-transform: uppercase;
  letter-spacing: 0.04em;
}

.sms-compose-field input,
.sms-compose-field select {
  padding: 9px 12px;
  border: 1px solid var(--border-light, #e8e8f0);
  border-radius: 8px;
  font-size: 14px;
  color: var(--text-primary, #1a1a2e);
  background: var(--bg-primary, #ffffff);
  outline: none;
  transition: border-color 0.15s;
}

.sms-compose-field input:focus,
.sms-compose-field select:focus {
  border-color: var(--gold, #b8942a);
}

.sms-message-wrap {
  position: relative;
}

.sms-message-textarea {
  width: 100%;
  min-height: 140px;
  padding: 12px;
  border: 1px solid var(--border-light, #e8e8f0);
  border-radius: 8px;
  font-size: 14px;
  font-family: var(--font-body, inherit);
  color: var(--text-primary, #1a1a2e);
  background: var(--bg-primary, #ffffff);
  resize: vertical;
  outline: none;
  transition: border-color 0.15s;
  box-sizing: border-box;
}

.sms-message-textarea:focus {
  border-color: var(--gold, #b8942a);
}

.sms-char-counter {
  font-size: 12px;
  color: var(--text-muted, #8888a8);
  text-align: right;
  margin-top: 4px;
}

.sms-char-counter.warning { color: #cc8800; font-weight: 600; }
.sms-char-counter.error   { color: #cc2222; font-weight: 600; }

/* ── Merge Strip ─────────────────────────────────────────────────────────── */
.sms-merge-strip {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  padding: 10px 12px;
  background: var(--bg-secondary, #f5f5fc);
  border: 1px solid var(--border-light, #e8e8f0);
  border-radius: 8px;
}

.sms-merge-strip-label {
  font-size: 11px;
  font-weight: 600;
  color: var(--text-muted, #8888a8);
  align-self: center;
  margin-right: 4px;
}

.sms-merge-chip {
  padding: 4px 10px;
  background: var(--bg-primary, #ffffff);
  border: 1px solid var(--border-light, #e8e8f0);
  border-radius: 14px;
  font-size: 12px;
  font-family: 'Courier New', monospace;
  color: var(--gold, #b8942a);
  cursor: pointer;
  transition: background 0.12s, border-color 0.12s;
}

.sms-merge-chip:hover {
  background: var(--gold-light, #fef9ec);
  border-color: var(--gold, #b8942a);
}

/* ── Compliance Panel ─────────────────────────────────────────────────────── */
.sms-compliance-panel {
  border: 1px solid #ffe0a0;
  border-radius: 10px;
  padding: 16px;
  background: #fffdf5;
}

.sms-compliance-panel h4 {
  margin: 0 0 12px;
  font-size: 14px;
  font-weight: 700;
  color: #7a5500;
  display: flex;
  align-items: center;
  gap: 6px;
}

.sms-compliance-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.sms-compliance-list li {
  display: flex;
  align-items: flex-start;
  gap: 8px;
  font-size: 13px;
  color: #7a5500;
}

.sms-compliance-list li .sms-check {
  color: #228844;
  font-weight: 700;
  flex-shrink: 0;
}

.sms-compliance-list li .sms-lock {
  color: #cc6600;
  flex-shrink: 0;
}

/* ── Send Tab ─────────────────────────────────────────────────────────────── */
.sms-send-area {
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.sms-send-section {
  border: 1px solid var(--border-light, #e8e8f0);
  border-radius: 10px;
  padding: 16px;
}

.sms-send-section h4 {
  margin: 0 0 10px;
  font-size: 14px;
  font-weight: 600;
  color: var(--text-primary, #1a1a2e);
}

/* ── Disconnected Provider Panel ─────────────────────────────────────────── */
.sms-disconnected {
  border: 2px dashed var(--border-light, #e8e8f0);
  border-radius: 12px;
  padding: 28px 24px;
  text-align: center;
  background: var(--bg-secondary, #f5f5fc);
}

.sms-disconnected h3 {
  margin: 0 0 6px;
  font-size: 17px;
  font-weight: 700;
  color: var(--text-primary, #1a1a2e);
}

.sms-disconnected p {
  margin: 0 0 20px;
  font-size: 13px;
  color: var(--text-muted, #8888a8);
  max-width: 400px;
  margin-left: auto;
  margin-right: auto;
}

.sms-provider-list {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 12px;
  max-width: 500px;
  margin: 0 auto 20px;
}

.sms-provider-card {
  background: var(--bg-primary, #ffffff);
  border: 1px solid var(--border-light, #e8e8f0);
  border-radius: 10px;
  padding: 16px 12px;
  text-align: center;
}

.sms-provider-icon {
  font-size: 24px;
  margin-bottom: 6px;
}

.sms-provider-name {
  font-size: 13px;
  font-weight: 600;
  color: var(--text-primary, #1a1a2e);
}

.sms-provider-note {
  font-size: 11px;
  color: var(--text-muted, #8888a8);
  margin-top: 2px;
}

.sms-disconnected-note {
  font-size: 12px;
  color: var(--text-muted, #8888a8);
  font-style: italic;
}

/* ── Results / Metrics ────────────────────────────────────────────────────── */
.sms-metrics-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 14px;
  margin-bottom: 20px;
}

.sms-metric-card {
  background: var(--bg-secondary, #f5f5fc);
  border-radius: 10px;
  padding: 16px;
  text-align: center;
}

.sms-metric-value {
  font-size: 26px;
  font-weight: 700;
  color: var(--text-primary, #1a1a2e);
}

.sms-metric-label {
  font-size: 12px;
  color: var(--text-muted, #8888a8);
  margin-top: 2px;
}

/* ── Template Grid ────────────────────────────────────────────────────────── */
.sms-template-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(260px, 1fr));
  gap: 14px;
}

.sms-template-card {
  background: var(--bg-primary, #ffffff);
  border: 1px solid var(--border-light, #e8e8f0);
  border-radius: 10px;
  padding: 14px;
  cursor: pointer;
  transition: box-shadow 0.15s, border-color 0.15s;
}

.sms-template-card:hover {
  box-shadow: 0 4px 16px rgba(0,0,0,0.08);
  border-color: var(--gold, #b8942a);
}

.sms-template-name {
  font-size: 14px;
  font-weight: 600;
  color: var(--text-primary, #1a1a2e);
  margin-bottom: 6px;
}

.sms-template-preview {
  font-size: 12px;
  color: var(--text-secondary, #555577);
  line-height: 1.5;
  display: -webkit-box;
  -webkit-line-clamp: 3;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.sms-template-chars {
  font-size: 11px;
  color: var(--text-muted, #8888a8);
  margin-top: 8px;
}

/* ── Action Status Row ────────────────────────────────────────────────────── */
.sms-action-row {
  display: flex;
  gap: 10px;
  flex-wrap: wrap;
  padding-top: 8px;
}

/* ── Modal ────────────────────────────────────────────────────────────────── */
.sms-modal-overlay {
  position: fixed;
  inset: 0;
  background: rgba(0,0,0,0.45);
  z-index: 2000;
  display: flex;
  align-items: center;
  justify-content: center;
}

.sms-modal {
  background: var(--bg-primary, #ffffff);
  border-radius: 14px;
  width: 500px;
  max-width: 95vw;
  max-height: 90vh;
  overflow-y: auto;
  box-shadow: 0 20px 60px rgba(0,0,0,0.18);
  padding: 28px;
}

.sms-modal h3 {
  margin: 0 0 20px;
  font-size: 18px;
  font-weight: 700;
}

.sms-modal-field {
  display: flex;
  flex-direction: column;
  gap: 6px;
  margin-bottom: 14px;
}

.sms-modal-field label {
  font-size: 12px;
  font-weight: 600;
  color: var(--text-secondary, #555577);
  text-transform: uppercase;
  letter-spacing: 0.04em;
}

.sms-modal-field input,
.sms-modal-field select,
.sms-modal-field textarea {
  padding: 9px 12px;
  border: 1px solid var(--border-light, #e8e8f0);
  border-radius: 8px;
  font-size: 14px;
  color: var(--text-primary, #1a1a2e);
  background: var(--bg-primary, #ffffff);
  outline: none;
  transition: border-color 0.15s;
  font-family: inherit;
}

.sms-modal-field textarea {
  min-height: 100px;
  resize: vertical;
}

.sms-modal-field input:focus,
.sms-modal-field select:focus,
.sms-modal-field textarea:focus {
  border-color: var(--gold, #b8942a);
}

.sms-modal-actions {
  display: flex;
  gap: 10px;
  justify-content: flex-end;
  margin-top: 20px;
}

/* ── Buttons ──────────────────────────────────────────────────────────────── */
.sms-btn-primary {
  padding: 9px 18px;
  background: var(--gold, #b8942a);
  color: #fff;
  border: none;
  border-radius: 8px;
  font-size: 13px;
  font-weight: 600;
  cursor: pointer;
  transition: opacity 0.15s;
}

.sms-btn-primary:hover { opacity: 0.88; }

.sms-btn-secondary {
  padding: 9px 18px;
  background: var(--bg-secondary, #f5f5fc);
  color: var(--text-primary, #1a1a2e);
  border: 1px solid var(--border-light, #e8e8f0);
  border-radius: 8px;
  font-size: 13px;
  font-weight: 500;
  cursor: pointer;
  transition: background 0.15s;
}

.sms-btn-secondary:hover { background: var(--bg-tertiary, #ebebf5); }

.sms-btn-danger {
  padding: 9px 18px;
  background: #fff0f0;
  color: #cc2222;
  border: 1px solid #ffcccc;
  border-radius: 8px;
  font-size: 13px;
  font-weight: 500;
  cursor: pointer;
  transition: background 0.15s;
}

.sms-btn-danger:hover { background: #ffe0e0; }

/* ── Empty State ──────────────────────────────────────────────────────────── */
.sms-empty {
  text-align: center;
  padding: 60px 20px;
  color: var(--text-muted, #8888a8);
}

.sms-empty-icon {
  font-size: 40px;
  margin-bottom: 12px;
}

.sms-empty h4 {
  margin: 0 0 6px;
  font-size: 16px;
  font-weight: 600;
  color: var(--text-secondary, #555577);
}

.sms-empty p {
  margin: 0;
  font-size: 13px;
}

/* ── Dark Mode ────────────────────────────────────────────────────────────── */
@media (prefers-color-scheme: dark) {
  .sms-shell { background: var(--bg-primary, #0f0f1a); color: var(--text-primary, #e8e8f5); }
  .sms-header { border-bottom-color: var(--border-dark, #2a2a40); }
  .sms-tabs { border-bottom-color: var(--border-dark, #2a2a40); background: var(--bg-primary, #0f0f1a); }
  .sms-card { background: var(--bg-secondary, #1a1a2e); border-color: var(--border-dark, #2a2a40); }
  .sms-card:hover { border-color: var(--border-medium, #3a3a58); }
  .sms-compliance-banner { background: #2a2200; border-bottom-color: #554400; color: #ffcc66; }
  .sms-compliance-panel { background: #1a1400; border-color: #554400; }
  .sms-compliance-panel h4 { color: #ffcc66; }
  .sms-compliance-list li { color: #ffcc66; }
  .sms-disconnected { background: var(--bg-secondary, #1a1a2e); border-color: var(--border-dark, #2a2a40); }
  .sms-provider-card { background: var(--bg-tertiary, #252540); border-color: var(--border-dark, #2a2a40); }
  .sms-merge-strip { background: var(--bg-secondary, #1a1a2e); border-color: var(--border-dark, #2a2a40); }
  .sms-merge-chip { background: var(--bg-tertiary, #252540); border-color: var(--border-dark, #2a2a40); }
  .sms-message-textarea,
  .sms-compose-field input,
  .sms-compose-field select,
  .sms-modal-field input,
  .sms-modal-field select,
  .sms-modal-field textarea { background: var(--bg-secondary, #1a1a2e); border-color: var(--border-dark, #2a2a40); color: var(--text-primary, #e8e8f5); }
  .sms-modal { background: var(--bg-secondary, #1a1a2e); }
  .sms-metric-card { background: var(--bg-secondary, #1a1a2e); }
  .sms-template-card { background: var(--bg-secondary, #1a1a2e); border-color: var(--border-dark, #2a2a40); }
  .sms-send-section { border-color: var(--border-dark, #2a2a40); }
  .sms-btn-secondary { background: var(--bg-secondary, #1a1a2e); border-color: var(--border-dark, #2a2a40); color: var(--text-primary, #e8e8f5); }
}