/* ============================================
   FITPRO — WEARABLES HUB CSS
   ============================================ */

/* ---- Nav badge for connected devices ---- */
.nav-badge {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 18px;
  height: 18px;
  background: var(--success, #4caf50);
  color: #fff;
  border-radius: 999px;
  font-size: 0.65rem;
  font-weight: 800;
  padding: 0 5px;
  margin-left: auto;
  line-height: 1;
}
.nav-badge:empty { display: none; }

/* ---- Wearable Metrics Header ---- */
.wearable-metrics-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 14px;
  flex-wrap: wrap;
  gap: 10px;
}
.wearable-metrics-header h3 {
  font-size: 0.98rem;
  font-weight: 700;
  color: var(--text);
  margin: 0;
}
.wearable-metrics-header h3 i {
  color: var(--primary);
  margin-right: 8px;
}
.btn-sync-now {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  background: var(--primary);
  color: #fff;
  border: none;
  border-radius: var(--radius-sm, 8px);
  padding: 8px 14px;
  font-size: 0.82rem;
  font-weight: 700;
  cursor: pointer;
  transition: background 0.2s, transform 0.1s;
}
.btn-sync-now:hover { background: var(--primary-dark, #5a52e0); transform: translateY(-1px); }
.btn-sync-now:active { transform: scale(0.97); }

/* ---- Wearable Metrics Grid ---- */
.wm-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(150px, 1fr));
  gap: 12px;
  margin-bottom: 20px;
}
.wm-card {
  background: var(--bg-card, #1e2235);
  border-radius: var(--radius, 14px);
  padding: 16px 14px;
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  border: 1.5px solid var(--border, #2a2d4a);
  transition: transform 0.2s, box-shadow 0.2s;
  position: relative;
  overflow: hidden;
}
.wm-card:hover { transform: translateY(-3px); box-shadow: 0 8px 24px rgba(0,0,0,0.3); }
.wm-card::before {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 3px;
  border-radius: var(--radius) var(--radius) 0 0;
}
.wm-card-steps::before   { background: var(--accent-cyan, #00d4aa); }
.wm-card-heart::before   { background: #f44336; }
.wm-card-calories::before{ background: #ff9800; }
.wm-card-sleep::before   { background: #7c4dff; }
.wm-card-distance::before{ background: var(--primary, #6c63ff); }
.wm-card-spo2::before    { background: #2196f3; }

.wm-icon { font-size: 1.8rem; margin-bottom: 6px; }
.wm-value {
  font-size: 1.45rem;
  font-weight: 900;
  color: var(--text);
  line-height: 1.1;
  margin-bottom: 3px;
}
.wm-label {
  font-size: 0.72rem;
  color: var(--text-muted, #8892b0);
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  margin-bottom: 8px;
}
.wm-sub {
  font-size: 0.72rem;
  color: var(--text-secondary, #a0aec0);
  margin-top: 2px;
}
.wm-progress {
  width: 100%;
  margin-top: 6px;
}
.wm-progress .progress-bar {
  background: var(--border, #2a2d4a);
  border-radius: 999px;
  height: 5px;
  overflow: hidden;
  margin-bottom: 4px;
}
.wm-progress .progress-fill {
  height: 100%;
  background: var(--accent-cyan, #00d4aa);
  border-radius: 999px;
  transition: width 0.6s ease;
}
.wm-progress span {
  font-size: 0.67rem;
  color: var(--text-muted, #8892b0);
}

/* ---- Sync Status Bar ---- */
.sync-status-bar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  background: var(--bg-card2, #252840);
  border-radius: var(--radius-sm, 8px);
  padding: 10px 16px;
  margin-top: 10px;
  gap: 12px;
  flex-wrap: wrap;
}
.sync-status-left, .sync-status-right {
  display: flex;
  align-items: center;
  gap: 10px;
}
.sync-status-left span, .sync-status-right span {
  font-size: 0.78rem;
  color: var(--text-secondary, #a0aec0);
}
.sync-dot {
  width: 8px; height: 8px;
  border-radius: 50%;
  background: var(--text-muted, #8892b0);
  flex-shrink: 0;
}
.sync-dot.syncing {
  background: var(--success, #4caf50);
  animation: pulse-sync 1.5s infinite;
}
@keyframes pulse-sync {
  0%, 100% { box-shadow: 0 0 0 0 rgba(76,175,80,0.5); }
  50% { box-shadow: 0 0 0 6px rgba(76,175,80,0); }
}
.btn-sync-all {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  background: transparent;
  border: 1.5px solid var(--primary, #6c63ff);
  color: var(--primary, #6c63ff);
  border-radius: 8px;
  padding: 6px 12px;
  font-size: 0.78rem;
  font-weight: 700;
  cursor: pointer;
  transition: background 0.2s, color 0.2s;
}
.btn-sync-all:hover { background: var(--primary, #6c63ff); color: #fff; }

/* ---- No Device Banner ---- */
.no-device-banner {
  display: flex;
  align-items: center;
  gap: 16px;
  background: var(--bg-card2, #252840);
  border: 1.5px dashed var(--border, #2a2d4a);
  border-radius: var(--radius, 14px);
  padding: 20px;
  margin-top: 12px;
}
.ndb-icon { font-size: 2.2rem; flex-shrink: 0; }
.ndb-text { display: flex; flex-direction: column; gap: 4px; }
.ndb-text strong { font-size: 0.92rem; color: var(--text); font-weight: 700; }
.ndb-text span { font-size: 0.78rem; color: var(--text-muted, #8892b0); }

/* ---- Device Status Grid ---- */
.device-status-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: 14px;
  margin-bottom: 8px;
}
.device-card {
  background: var(--bg-card, #1e2235);
  border: 1.5px solid var(--border, #2a2d4a);
  border-radius: var(--radius, 14px);
  padding: 14px;
  transition: border-color 0.2s, transform 0.2s, box-shadow 0.2s;
}
.device-card:hover { transform: translateY(-2px); box-shadow: 0 6px 20px rgba(0,0,0,0.25); }
.device-card.connected {
  border-color: rgba(76,175,80,0.4);
  background: linear-gradient(135deg, var(--bg-card, #1e2235), rgba(76,175,80,0.04));
}
.device-card-header {
  display: flex;
  align-items: flex-start;
  gap: 12px;
}
.device-icon-wrap {
  width: 46px; height: 46px;
  border-radius: 12px;
  display: flex; align-items: center; justify-content: center;
  flex-shrink: 0;
  font-size: 1.4rem;
}
.device-info { flex: 1; min-width: 0; }
.device-name {
  font-size: 0.88rem;
  font-weight: 800;
  color: var(--text);
  margin-bottom: 2px;
}
.device-desc {
  font-size: 0.73rem;
  color: var(--text-muted, #8892b0);
  margin-bottom: 6px;
}
.device-platforms {
  display: flex;
  gap: 5px;
  flex-wrap: wrap;
}
.platform-badge {
  display: inline-block;
  background: var(--bg-card2, #252840);
  border: 1px solid var(--border, #2a2d4a);
  color: var(--text-secondary, #a0aec0);
  font-size: 0.65rem;
  font-weight: 700;
  padding: 2px 7px;
  border-radius: 999px;
  text-transform: uppercase;
  letter-spacing: 0.03em;
}
.device-status-dot {
  width: 10px; height: 10px;
  border-radius: 50%;
  flex-shrink: 0;
  margin-top: 4px;
}
.device-status-dot.connected {
  background: var(--success, #4caf50);
  box-shadow: 0 0 8px rgba(76,175,80,0.5);
  animation: pulse-sync 1.8s infinite;
}
.device-status-dot.disconnected { background: var(--text-muted, #8892b0); }

.device-card-footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-top: 12px;
  padding-top: 10px;
  border-top: 1px solid var(--border, #2a2d4a);
}
.device-sync-time {
  font-size: 0.7rem;
  color: var(--text-muted, #8892b0);
  display: flex;
  align-items: center;
  gap: 5px;
}
.device-actions { display: flex; gap: 6px; }

.btn-device-connect,
.btn-device-sync,
.btn-device-disconnect {
  display: inline-flex;
  align-items: center;
  gap: 5px;
  border-radius: 8px;
  padding: 6px 12px;
  font-size: 0.76rem;
  font-weight: 700;
  cursor: pointer;
  border: 1.5px solid;
  transition: background 0.2s, color 0.2s, transform 0.1s;
}
.btn-device-connect:hover { background: currentColor; color: #fff; }
.btn-device-sync {
  background: transparent;
  border-color: var(--primary, #6c63ff);
  color: var(--primary, #6c63ff);
}
.btn-device-sync:hover { background: var(--primary, #6c63ff); color: #fff; }
.btn-device-disconnect {
  background: transparent;
  border-color: rgba(244,67,54,0.4);
  color: #f44336;
}
.btn-device-disconnect:hover { background: rgba(244,67,54,0.12); }
.btn-device-connect:active,
.btn-device-sync:active,
.btn-device-disconnect:active { transform: scale(0.95); }

/* ---- Live Metrics strip ---- */
.device-live-data {
  margin-top: 10px;
  padding-top: 10px;
  border-top: 1px solid var(--border, #2a2d4a);
}
.live-metrics {
  display: flex;
  gap: 12px;
  flex-wrap: wrap;
}
.live-metric {
  display: flex;
  flex-direction: column;
  align-items: center;
  min-width: 50px;
}
.lm-icon { font-size: 1rem; }
.lm-value { font-size: 0.9rem; font-weight: 800; color: var(--text); }
.lm-label { font-size: 0.62rem; color: var(--text-muted, #8892b0); text-transform: uppercase; }

/* ---- Connection Guides Accordion ---- */
.guides-accordion { display: flex; flex-direction: column; gap: 10px; }
.guide-item {
  background: var(--bg-card, #1e2235);
  border: 1.5px solid var(--border, #2a2d4a);
  border-radius: var(--radius, 14px);
  overflow: hidden;
  transition: border-color 0.2s;
}
.guide-item:hover { border-color: rgba(108,99,255,0.3); }
.guide-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 14px 16px;
  cursor: pointer;
  user-select: none;
  transition: background 0.15s;
}
.guide-header:hover { background: rgba(255,255,255,0.03); }
.guide-header-left {
  display: flex;
  align-items: center;
  gap: 12px;
}
.guide-icon { font-size: 1.4rem; }
.guide-title { font-size: 0.88rem; font-weight: 800; color: var(--text); }
.guide-subtitle { font-size: 0.72rem; color: var(--text-muted, #8892b0); margin-top: 2px; }
.guide-chevron {
  color: var(--text-muted, #8892b0);
  font-size: 0.8rem;
  transition: transform 0.25s ease;
}
.guide-body {
  padding: 0 16px 16px;
  border-top: 1px solid var(--border, #2a2d4a);
}

.guide-alert {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  background: rgba(108,99,255,0.08);
  border: 1px solid rgba(108,99,255,0.2);
  border-radius: 8px;
  padding: 12px;
  margin: 12px 0;
  font-size: 0.78rem;
  color: var(--text-secondary, #a0aec0);
  line-height: 1.5;
}
.guide-alert i { color: var(--primary, #6c63ff); font-size: 0.9rem; flex-shrink: 0; margin-top: 1px; }
.guide-alert strong { color: var(--text); }

.guide-steps { display: flex; flex-direction: column; gap: 10px; margin-top: 10px; }
.guide-step {
  display: flex;
  align-items: flex-start;
  gap: 10px;
}
.gs-num {
  width: 24px; height: 24px;
  background: var(--primary, #6c63ff);
  color: #fff;
  border-radius: 50%;
  display: flex; align-items: center; justify-content: center;
  font-size: 0.72rem;
  font-weight: 800;
  flex-shrink: 0;
}
.gs-content { font-size: 0.78rem; color: var(--text-secondary, #a0aec0); line-height: 1.55; }
.gs-content strong { color: var(--text); display: block; margin-bottom: 2px; }

.guide-link {
  display: inline-flex;
  align-items: center;
  gap: 5px;
  color: var(--primary, #6c63ff);
  font-size: 0.76rem;
  font-weight: 700;
  text-decoration: none;
  margin-top: 4px;
  padding: 4px 10px;
  border-radius: 6px;
  background: rgba(108,99,255,0.1);
  transition: background 0.2s;
}
.guide-link:hover { background: rgba(108,99,255,0.2); }

/* ---- Quick Connect button ---- */
.guide-quick-connect {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 10px;
  background: rgba(0,212,170,0.06);
  border: 1px solid rgba(0,212,170,0.18);
  border-radius: 10px;
  padding: 12px 16px;
  margin: 12px 0 6px;
}
.gqc-info {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 0.78rem;
  color: var(--text-secondary, #a0aec0);
  flex: 1;
}

/* OAuth connect buttons */
.btn-oauth-connect {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  border: none;
  border-radius: 8px;
  padding: 9px 16px;
  font-size: 0.82rem;
  font-weight: 700;
  cursor: pointer;
  transition: opacity 0.2s, transform 0.1s;
  color: #fff;
  white-space: nowrap;
}
.btn-oauth-connect:hover { opacity: 0.88; transform: translateY(-1px); }
.btn-oauth-connect:active { transform: scale(0.96); }
.btn-google  { background: #4285F4; }
.btn-fitbit  { background: #00B0B9; }
.btn-garmin  { background: #007CC3; }
.btn-polar   { background: #D2001E; }
.btn-strava  { background: #FC4C02; }
.btn-samsung { background: #1428A0; }

/* OAuth advanced config */
.oauth-client-config {
  margin-top: 12px;
  font-size: 0.76rem;
  color: var(--text-muted, #8892b0);
}
.oauth-client-config details summary {
  cursor: pointer;
  color: var(--primary, #6c63ff);
  font-weight: 700;
  list-style: none;
  padding: 6px 0;
}
.oauth-client-config details summary::-webkit-details-marker { display: none; }
.config-fields {
  display: flex;
  gap: 8px;
  margin-top: 8px;
}
.config-fields input {
  flex: 1;
  background: var(--bg-card2, #252840);
  border: 1px solid var(--border, #2a2d4a);
  border-radius: 8px;
  padding: 8px 10px;
  color: var(--text);
  font-family: monospace;
  font-size: 0.8rem;
}
.config-fields button {
  background: var(--primary, #6c63ff);
  color: #fff;
  border: none;
  border-radius: 8px;
  padding: 8px 14px;
  font-size: 0.78rem;
  font-weight: 700;
  cursor: pointer;
  transition: background 0.2s;
}
.config-fields button:hover { background: var(--primary-dark, #5a52e0); }

/* ---- BLE Section ---- */
.ble-scan-area {
  display: flex;
  align-items: center;
  gap: 14px;
  padding: 12px;
  background: var(--bg-card2, #252840);
  border-radius: 10px;
  margin: 12px 0;
  flex-wrap: wrap;
}
.ble-scan-visual {
  position: relative;
  width: 44px; height: 44px;
  flex-shrink: 0;
}
.ble-scan-visual .ble-icon { font-size: 1.5rem; position: relative; z-index: 1; }
.ble-scan-visual.scanning::before {
  content: '';
  position: absolute;
  top: 50%; left: 50%;
  transform: translate(-50%, -50%);
  width: 44px; height: 44px;
  border-radius: 50%;
  background: rgba(108,99,255,0.15);
  animation: ble-pulse 1.2s infinite;
}
@keyframes ble-pulse {
  0% { transform: translate(-50%,-50%) scale(0.8); opacity: 1; }
  100% { transform: translate(-50%,-50%) scale(2.2); opacity: 0; }
}
.btn-ble-scan {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  background: var(--primary, #6c63ff);
  color: #fff;
  border: none;
  border-radius: 8px;
  padding: 9px 16px;
  font-size: 0.82rem;
  font-weight: 700;
  cursor: pointer;
  transition: background 0.2s, transform 0.1s;
}
.btn-ble-scan:hover { background: var(--primary-dark, #5a52e0); transform: translateY(-1px); }

.ble-devices-list { margin: 8px 0; display: flex; flex-direction: column; gap: 8px; }
.ble-device-chip {
  background: var(--bg-card2, #252840);
  border: 1px solid var(--border, #2a2d4a);
  border-radius: 999px;
  padding: 4px 10px;
  font-size: 0.72rem;
  color: var(--text-secondary, #a0aec0);
  font-weight: 600;
}
.ble-supported-devices { margin-top: 12px; }

/* ---- Apple Health Webhook box ---- */
.webhook-box {
  background: var(--bg-card2, #252840);
  border: 1px solid var(--border, #2a2d4a);
  border-radius: 10px;
  padding: 10px 14px;
  margin: 10px 0;
}
.webhook-box label {
  font-size: 0.72rem;
  font-weight: 700;
  color: var(--text-muted, #8892b0);
  text-transform: uppercase;
  letter-spacing: 0.04em;
  display: block;
  margin-bottom: 6px;
}
.webhook-url-row {
  display: flex;
  align-items: center;
  gap: 8px;
}
.webhook-url-row code {
  flex: 1;
  background: var(--bg-dark, #141627);
  border: 1px solid var(--border, #2a2d4a);
  border-radius: 6px;
  padding: 8px 10px;
  font-family: monospace;
  font-size: 0.72rem;
  color: var(--accent-cyan, #00d4aa);
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}
.btn-copy {
  display: inline-flex; align-items: center; gap: 5px;
  background: var(--bg-card, #1e2235);
  border: 1px solid var(--border, #2a2d4a);
  color: var(--text-secondary, #a0aec0);
  border-radius: 6px; padding: 7px 12px;
  font-size: 0.72rem; font-weight: 700; cursor: pointer;
  transition: background 0.2s, color 0.2s;
}
.btn-copy:hover { background: var(--primary, #6c63ff); color: #fff; border-color: var(--primary, #6c63ff); }

/* ---- File import buttons ---- */
.btn-import {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  background: var(--bg-card2, #252840);
  border: 1.5px solid var(--border, #2a2d4a);
  color: var(--text);
  border-radius: 8px;
  padding: 9px 16px;
  font-size: 0.8rem;
  font-weight: 700;
  cursor: pointer;
  transition: background 0.2s, border-color 0.2s;
  margin-top: 10px;
}
.btn-import:hover { background: var(--bg-card, #1e2235); border-color: var(--primary, #6c63ff); }
input[type="file"].hidden-file { display: none; }

/* ---- Wearable Summary Banner (in Check-in) ---- */
.wearable-banner {
  display: flex;
  align-items: center;
  gap: 14px;
  background: linear-gradient(135deg, rgba(108,99,255,0.12), rgba(0,212,170,0.08));
  border: 1.5px solid rgba(108,99,255,0.25);
  border-radius: var(--radius, 14px);
  padding: 14px 16px;
  margin-bottom: 16px;
  flex-wrap: wrap;
  animation: fade-in-up 0.4s ease;
}
@keyframes fade-in-up {
  from { opacity: 0; transform: translateY(8px); }
  to   { opacity: 1; transform: translateY(0); }
}
.wb-icon-pulse {
  font-size: 1.6rem;
  animation: icon-pulse 2s infinite;
}
@keyframes icon-pulse {
  0%, 100% { transform: scale(1); }
  50% { transform: scale(1.15); }
}
.wb-content { flex: 1; min-width: 0; }
.wb-title {
  font-size: 0.82rem;
  font-weight: 800;
  color: var(--text);
  margin-bottom: 5px;
}
.wb-metrics {
  display: flex;
  gap: 10px;
  flex-wrap: wrap;
}
.wb-metrics span {
  font-size: 0.76rem;
  color: var(--text-secondary, #a0aec0);
  background: rgba(255,255,255,0.05);
  border-radius: 999px;
  padding: 2px 9px;
}
.wb-actions {
  display: flex;
  gap: 8px;
  align-items: center;
}
.btn-apply-wearable {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  background: var(--primary, #6c63ff);
  color: #fff;
  border: none;
  border-radius: 8px;
  padding: 8px 14px;
  font-size: 0.78rem;
  font-weight: 700;
  cursor: pointer;
  transition: background 0.2s, transform 0.1s;
  white-space: nowrap;
}
.btn-apply-wearable:hover { background: var(--primary-dark, #5a52e0); transform: translateY(-1px); }
.btn-view-wearable {
  background: transparent;
  border: 1.5px solid var(--border, #2a2d4a);
  color: var(--text-secondary, #a0aec0);
  border-radius: 8px;
  padding: 7px 10px;
  cursor: pointer;
  font-size: 0.78rem;
  transition: border-color 0.2s, color 0.2s;
}
.btn-view-wearable:hover { border-color: var(--primary, #6c63ff); color: var(--primary, #6c63ff); }

/* ---- OAuth Instructions Modal ---- */
.modal-large .modal-content {
  max-width: 560px;
}
.oauth-steps { display: flex; flex-direction: column; gap: 12px; margin: 8px 0; }
.oauth-step { display: flex; align-items: flex-start; gap: 10px; }
.os-num {
  width: 26px; height: 26px;
  background: var(--primary, #6c63ff);
  color: #fff;
  border-radius: 50%;
  display: flex; align-items: center; justify-content: center;
  font-size: 0.75rem; font-weight: 800; flex-shrink: 0;
}
.os-content { font-size: 0.8rem; color: var(--text-secondary, #a0aec0); line-height: 1.55; padding-top: 3px; }
.os-title { font-weight: 800; color: var(--text); margin-bottom: 3px; }
.os-desc {
  background: var(--bg-card2, #252840);
  border-radius: 6px;
  padding: 8px 10px;
  margin-top: 6px;
  font-family: monospace;
  font-size: 0.74rem;
  color: var(--accent-cyan, #00d4aa);
  white-space: pre-wrap;
  word-break: break-all;
}

/* ---- Samsung export area ---- */
.samsung-export-steps { margin-top: 10px; }
.file-import-area {
  border: 2px dashed var(--border, #2a2d4a);
  border-radius: 10px;
  padding: 20px;
  text-align: center;
  cursor: pointer;
  margin-top: 12px;
  transition: border-color 0.2s, background 0.2s;
}
.file-import-area:hover { border-color: var(--primary, #6c63ff); background: rgba(108,99,255,0.04); }
.file-import-area i { font-size: 1.8rem; color: var(--text-muted, #8892b0); display: block; margin-bottom: 8px; }
.file-import-area span { font-size: 0.78rem; color: var(--text-muted, #8892b0); }

/* ---- Dashboard Wearable quick widget ---- */
.wearable-widget {
  background: var(--bg-card, #1e2235);
  border: 1.5px solid var(--border, #2a2d4a);
  border-radius: var(--radius, 14px);
  padding: 16px;
  margin-bottom: 20px;
  display: flex;
  align-items: center;
  gap: 16px;
  flex-wrap: wrap;
}
.ww-title {
  font-size: 0.82rem;
  font-weight: 800;
  color: var(--text-muted, #8892b0);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  margin-bottom: 8px;
  display: flex; align-items: center; gap: 7px;
}
.ww-metrics {
  display: flex;
  gap: 16px;
  flex-wrap: wrap;
}
.ww-metric {
  display: flex;
  flex-direction: column;
  align-items: center;
  min-width: 56px;
}
.ww-metric .wm-value { font-size: 1.15rem; }
.ww-metric .wm-label { font-size: 0.65rem; }

/* ---- File upload zone ---- */
.file-upload-zone {
  border: 2px dashed var(--border, #2a2d4a);
  border-radius: 10px;
  padding: 18px 14px;
  text-align: center;
  cursor: pointer;
  margin-top: 10px;
  transition: border-color 0.2s, background 0.2s;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 6px;
}
.file-upload-zone:hover { border-color: var(--primary, #6c63ff); background: rgba(108,99,255,0.04); }
.file-upload-zone i { font-size: 1.6rem; color: var(--text-muted, #8892b0); }
.file-upload-zone span { font-size: 0.78rem; color: var(--text-secondary, #a0aec0); font-weight: 600; }
.file-upload-zone small { font-size: 0.68rem; color: var(--text-muted, #8892b0); }

/* ---- BLE visual animation ---- */
.ble-scan-visual {
  position: relative;
  width: 44px; height: 44px;
  display: flex; align-items: center; justify-content: center;
  flex-shrink: 0;
}
.ble-center-icon { font-size: 1.5rem; position: relative; z-index: 2; }
.ble-pulse-ring {
  position: absolute;
  top: 50%; left: 50%;
  transform: translate(-50%, -50%);
  width: 44px; height: 44px;
  border-radius: 50%;
  border: 2px solid rgba(108,99,255,0.3);
}
.ble-scan-visual.scanning .ble-pulse-ring {
  animation: ble-ring-pulse 1s infinite;
}
@keyframes ble-ring-pulse {
  0%   { transform: translate(-50%,-50%) scale(0.8); opacity: 1; border-color: rgba(108,99,255,0.5); }
  100% { transform: translate(-50%,-50%) scale(2.5); opacity: 0; border-color: rgba(108,99,255,0); }
}

/* ---- Apple Webhook ---- */
#appleWebhookUrl {
  font-family: monospace;
  font-size: 0.72rem;
  color: var(--accent-cyan, #00d4aa);
  word-break: break-all;
}

/* Responsive ---- */
@media (max-width: 600px) {
  .wm-grid { grid-template-columns: repeat(2, 1fr); }
  .device-status-grid { grid-template-columns: 1fr; }
  .wearable-banner { flex-direction: column; align-items: flex-start; }
  .wb-actions { width: 100%; }
  .btn-apply-wearable { flex: 1; justify-content: center; }
  .guide-quick-connect { flex-direction: column; }
  .sync-status-bar { flex-direction: column; align-items: flex-start; gap: 8px; }
  .wearable-metrics-header { flex-direction: column; align-items: flex-start; }
  .config-fields { flex-direction: column; }
  .config-fields input, .config-fields button { width: 100%; }
}
@media (max-width: 420px) {
  .wm-grid { grid-template-columns: 1fr 1fr; gap: 8px; }
  .wm-card { padding: 12px 10px; }
  .wm-value { font-size: 1.2rem; }
}