/**
 * Phone Link UI Styles — TASK-42
 * Integrates into the auth modal for WhatsApp phone linking.
 * v1.0 — 2026-03-07
 */

/* ── Divider ──────────────────────────────────────────────── */
.phone-link-divider {
  height: 1px;
  background: var(--border-color, #e5e7eb);
  margin: 16px 0;
}

/* ── Header ───────────────────────────────────────────────── */
.phone-link-header {
  display: flex;
  align-items: flex-start;
  gap: 12px;
  margin-bottom: 12px;
}

.phone-link-icon {
  font-size: 28px;
  line-height: 1;
  flex-shrink: 0;
}

.phone-link-title {
  font-weight: 600;
  font-size: 14px;
  color: var(--text-primary, #1f2937);
}

.phone-link-subtitle {
  font-size: 12px;
  color: var(--text-secondary, #6b7280);
  margin-top: 2px;
  line-height: 1.4;
}

/* ── Form ─────────────────────────────────────────────────── */
.phone-link-form {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.phone-link-input-row {
  display: flex;
  gap: 8px;
}

.phone-link-country {
  padding: 10px 6px 10px 10px;
  border: 1px solid var(--border-color, #e5e7eb);
  border-radius: 10px;
  background: var(--bg-secondary, #f9fafb);
  color: var(--text-primary, #1f2937);
  font-size: 14px;
  cursor: pointer;
  flex-shrink: 0;
  min-width: 90px;
  appearance: none;
  -webkit-appearance: none;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' fill='%236b7280' viewBox='0 0 16 16'%3E%3Cpath d='M1.646 4.646a.5.5 0 01.708 0L8 10.293l5.646-5.647a.5.5 0 01.708.708l-6 6a.5.5 0 01-.708 0l-6-6a.5.5 0 010-.708z'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 8px center;
  padding-right: 24px;
}

.phone-link-country:focus {
  outline: none;
  border-color: #25D366;
  box-shadow: 0 0 0 3px rgba(37, 211, 102, 0.12);
}

.phone-link-input {
  flex: 1;
  padding: 10px 12px;
  border: 1px solid var(--border-color, #e5e7eb);
  border-radius: 10px;
  background: var(--bg-secondary, #f9fafb);
  color: var(--text-primary, #1f2937);
  font-size: 16px; /* Prevents zoom on iOS */
  font-family: 'Inter', -apple-system, sans-serif;
  letter-spacing: 1.5px;
  min-width: 0;
}

.phone-link-input::placeholder {
  color: var(--text-tertiary, #9ca3af);
  letter-spacing: 2px;
}

.phone-link-input:focus {
  outline: none;
  border-color: #25D366;
  box-shadow: 0 0 0 3px rgba(37, 211, 102, 0.12);
}

/* ── Error ────────────────────────────────────────────────── */
.phone-link-error {
  font-size: 12px;
  color: #ef4444;
  padding: 2px 4px;
  line-height: 1.4;
}

/* ── Link Button ──────────────────────────────────────────── */
.phone-link-btn {
  padding: 10px 16px;
  background: #25D366;
  color: white;
  border: none;
  border-radius: 10px;
  font-size: 14px;
  font-weight: 600;
  cursor: pointer;
  transition: all 0.2s ease;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  width: 100%;
}

.phone-link-btn:hover {
  background: #20bd5a;
  transform: translateY(-1px);
  box-shadow: 0 2px 8px rgba(37, 211, 102, 0.3);
}

.phone-link-btn:active {
  transform: translateY(0);
}

.phone-link-btn:disabled {
  opacity: 0.6;
  cursor: not-allowed;
  transform: none;
  box-shadow: none;
}

.phone-link-btn svg {
  flex-shrink: 0;
}

/* ── Spinner ──────────────────────────────────────────────── */
.phone-link-spinner {
  display: inline-block;
  width: 16px;
  height: 16px;
  border: 2px solid rgba(255, 255, 255, 0.3);
  border-top-color: white;
  border-radius: 50%;
  animation: phoneLinkSpin 0.6s linear infinite;
}

@keyframes phoneLinkSpin {
  to { transform: rotate(360deg); }
}

/* ── Success State ────────────────────────────────────────── */
.phone-link-success {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 14px 16px;
  background: #f0fdf4;
  border: 1px solid #86efac;
  border-radius: 12px;
  margin-top: 16px;
}

.phone-link-check {
  font-size: 22px;
  flex-shrink: 0;
}

.phone-link-number {
  font-size: 13px;
  font-family: 'Inter', monospace;
  color: var(--text-secondary, #6b7280);
  margin-top: 3px;
  letter-spacing: 0.5px;
}

.phone-link-change {
  margin-left: auto;
  padding: 6px 14px;
  background: none;
  border: 1px solid var(--border-color, #d1d5db);
  border-radius: 8px;
  color: var(--text-secondary, #6b7280);
  font-size: 12px;
  font-weight: 500;
  cursor: pointer;
  transition: all 0.2s ease;
  white-space: nowrap;
}

.phone-link-change:hover {
  background: var(--bg-hover, #f3f4f6);
  color: var(--text-primary, #1f2937);
  border-color: var(--text-secondary, #9ca3af);
}

/* ── Dark Theme ───────────────────────────────────────────── */
[data-theme="dark"] .phone-link-divider {
  background: var(--border-color, #374151);
}

[data-theme="dark"] .phone-link-success {
  background: rgba(34, 197, 94, 0.08);
  border-color: rgba(34, 197, 94, 0.25);
}

[data-theme="dark"] .phone-link-country,
[data-theme="dark"] .phone-link-input {
  background: var(--bg-tertiary, #1f2937);
  border-color: var(--border-color, #4b5563);
  color: var(--text-primary, #f3f4f6);
}

[data-theme="dark"] .phone-link-country {
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' fill='%239ca3af' viewBox='0 0 16 16'%3E%3Cpath d='M1.646 4.646a.5.5 0 01.708 0L8 10.293l5.646-5.647a.5.5 0 01.708.708l-6 6a.5.5 0 01-.708 0l-6-6a.5.5 0 010-.708z'/%3E%3C/svg%3E");
}

[data-theme="dark"] .phone-link-change {
  border-color: var(--border-color, #4b5563);
}

[data-theme="dark"] .phone-link-change:hover {
  background: var(--bg-hover, #374151);
}

/* ── Mobile Responsive ────────────────────────────────────── */
@media (max-width: 480px) {
  .phone-link-input-row {
    flex-direction: column;
  }
  
  .phone-link-country {
    width: 100%;
  }
  
  .phone-link-success {
    flex-wrap: wrap;
  }
  
  .phone-link-change {
    margin-left: 0;
    margin-top: 8px;
    width: 100%;
    text-align: center;
  }
}