/**
 * braceai_shared.css  — Design System v2.0
 * ─────────────────────────────────────────────────────────────
 * BraceAI — Shared component styles
 * Auth modal, onboarding wizard, toast, avatar, loading screen.
 * Used on both the landing page and the dashboard.
 * Depends on: braceai_tokens.css
 * ─────────────────────────────────────────────────────────────
 */

/* ════════════════════════════════════════════════════════════
   UTILITY PILL BUTTONS — shared across all pages
   ════════════════════════════════════════════════════════════ */
.braceai-pill-btn {
  display:         inline-flex;
  align-items:     center;
  justify-content: center;
  border-radius:   var(--braceai-radius-pill);
  font-family:     var(--braceai-font-body);
  font-weight:     700;
  font-size:       15px;
  min-height:      48px;
  padding:         0 24px;
  cursor:          pointer;
  border:          none;
  transition:      transform .20s cubic-bezier(.4,0,.2,1),
                   box-shadow .20s cubic-bezier(.4,0,.2,1),
                   opacity .15s;
  white-space:     nowrap;
}
.braceai-pill-btn:hover  { transform: translateY(-2px); box-shadow: var(--braceai-shadow-cta); }
.braceai-pill-btn:active { transform: scale(.97); }

/* Primary — orange CTA (one per screen) */
.braceai-btn-primary {
  background:  var(--braceai-grad-cta, var(--grad-cta));
  color:       #fff;
  box-shadow:  var(--braceai-shadow-cta);
}
.braceai-btn-primary:hover { filter: brightness(1.08); }

/* Dark navy — secondary action */
.braceai-btn-dark {
  background:  var(--braceai-navy-900);
  color:       #fff;
  box-shadow:  var(--braceai-shadow-lg);
}
.braceai-btn-dark:hover {
  background:  var(--braceai-navy-500) !important;
  box-shadow:  var(--braceai-shadow-navy) !important;
}

/* Outline — tertiary */
.braceai-btn-outline {
  background:  transparent;
  color:       var(--braceai-navy);
  border:      1.5px solid var(--braceai-border);
}
.braceai-btn-outline:hover {
  background:    rgba(84,34,186,.06) !important;
  border-color:  var(--braceai-navy);
  box-shadow:    none;
}

/* ════════════════════════════════════════════════════════════
   LOADING SCREEN
   ════════════════════════════════════════════════════════════ */
#braceAIAuthLoading {
  position:        fixed;
  inset:           0;
  z-index:         9000;
  background:      var(--braceai-bg);
  display:         flex;
  flex-direction:  column;
  align-items:     center;
  justify-content: center;
  gap:             20px;
}

.braceai-loading-logo {
  display:     flex;
  align-items: center;
  gap:         10px;
}

.braceai-loading-logo-mark {
  width:           40px;
  height:          40px;
  background:      var(--grad-navy-card);
  border-radius:   var(--braceai-radius-md);
  display:         flex;
  align-items:     center;
  justify-content: center;
  box-shadow:      var(--braceai-shadow-dark);
}

.braceai-loading-logo-text {
  font-family:     var(--braceai-font-display);
  font-size:       22px;
  font-weight:     800;
  color:           var(--braceai-navy-900);
  letter-spacing:  -0.025em;
}
.braceai-loading-logo-text span { color: var(--braceai-brand-light); }

.braceai-loading-spinner {
  width:        28px;
  height:       28px;
  border:       3px solid var(--braceai-border);
  border-top-color: var(--braceai-brand-light);
  border-radius: 50%;
  animation:    braceAISpin 0.7s linear infinite;
}

.braceai-loading-text {
  font-family: var(--braceai-font-body);
  font-size:   13px;
  color:       var(--braceai-gray);
}

/* ════════════════════════════════════════════════════════════
   AVATAR — with photo support
   ════════════════════════════════════════════════════════════ */
.braceai-avatar-wrap {
  position:   relative;
  cursor:     pointer;
  flex-shrink: 0;
}
.braceai-avatar-wrap .braceai-avatar-img {
  width:         100%;
  height:        100%;
  border-radius: 50%;
  object-fit:    cover;
  position:      absolute;
  inset:         0;
  display:       none;
}
.braceai-avatar-wrap.has-photo .braceai-avatar-img      { display: block; }
.braceai-avatar-wrap.has-photo .braceai-avatar-initials { opacity: 0; }

.braceai-avatar-camera-hint {
  position:        absolute;
  inset:           0;
  border-radius:   50%;
  background:      rgba(4,8,15,0.52);
  display:         flex;
  align-items:     center;
  justify-content: center;
  opacity:         0;
  transition:      opacity 0.2s;
  pointer-events:  none;
}
.braceai-avatar-camera-hint svg {
  width: 14px; height: 14px;
  stroke: #fff; fill: none; stroke-width: 2; stroke-linecap: round;
}
.braceai-avatar-wrap:hover .braceai-avatar-camera-hint { opacity: 1; }

/* ════════════════════════════════════════════════════════════
   AUTH OVERLAY & MODAL
   ════════════════════════════════════════════════════════════ */
.braceai-auth-overlay {
  position:        fixed;
  inset:           0;
  z-index:         2000;
  background:      rgba(22,8,56,0.75);
  backdrop-filter: blur(8px);
  display:         flex;
  align-items:     flex-end;
  justify-content: center;
  padding:         0;
  opacity:         0;
  pointer-events:  none;
  transition:      opacity 0.3s ease;
}
@media (min-width: 520px) {
  .braceai-auth-overlay { align-items: center; padding: 16px; }
}
.braceai-auth-overlay.open { opacity: 1; pointer-events: all; }

.braceai-auth-modal {
  background:   var(--braceai-surface);
  border-radius: 24px 24px 0 0;
  padding:      20px 20px 28px;
  width:        100%;
  max-width:    100%;
  max-height:   93svh;
  overflow-y:   auto;
  box-shadow:   var(--braceai-shadow-modal);
  position:     relative;
  transform:    translateY(100%);
  transition:   transform 0.38s cubic-bezier(0.23,1,0.32,1);
}
@media (min-width: 520px) {
  .braceai-auth-modal {
    border-radius: var(--braceai-radius-2xl);
    padding:       28px 28px 32px;
    max-width:     420px;
    max-height:    90svh;
    transform:     translateY(24px) scale(0.97);
  }
}
.braceai-auth-overlay.open .braceai-auth-modal { transform: translateY(0) scale(1); }

.braceai-auth-modal-close {
  position:        absolute;
  top:             16px;
  right:           16px;
  width:           32px;
  height:          32px;
  border-radius:   50%;
  background:      var(--braceai-gray-100);
  border:          none;
  cursor:          pointer;
  display:         flex;
  align-items:     center;
  justify-content: center;
  transition:      background 0.2s;
  color:           var(--braceai-gray);
}
.braceai-auth-modal-close:hover { background: var(--braceai-gray-200); }
.braceai-auth-modal-close svg {
  width: 16px; height: 16px;
  stroke: currentColor; fill: none; stroke-width: 2.5; stroke-linecap: round;
}

/* Logo inside modal */
.braceai-auth-logo { display: flex; align-items: center; gap: 8px; margin-bottom: 14px; }
.braceai-auth-logo-mark {
  width:           30px;
  height:          30px;
  background:      var(--grad-navy-card);
  border-radius:   var(--braceai-radius-sm);
  display:         flex;
  align-items:     center;
  justify-content: center;
  box-shadow:      var(--braceai-shadow-dark);
}
.braceai-auth-logo-mark svg { width: 16px; height: 16px; }
.braceai-auth-logo-text {
  font-family:    var(--braceai-font-display);
  font-size:      17px;
  font-weight:    800;
  color:          var(--braceai-navy-900);
  letter-spacing: -0.025em;
}
.braceai-auth-logo-text span { color: var(--braceai-brand-light); }

/* Heading & sub */
.braceai-auth-heading {
  font-family:    var(--braceai-font-display);
  font-size:      20px;
  font-weight:    800;
  color:          var(--braceai-navy-900);
  letter-spacing: -0.025em;
  margin-bottom:  3px;
}
.braceai-auth-sub {
  font-size:    13px;
  color:        var(--braceai-gray);
  margin-bottom: 16px;
  line-height:  1.5;
}

/* Sign-in / Sign-up tabs */
.braceai-auth-tabs {
  display:       flex;
  gap:           4px;
  background:    var(--braceai-gray-100);
  border-radius: var(--braceai-radius-pill);
  padding:       4px;
  margin-bottom: 16px;
}
.braceai-auth-tab {
  flex:          1;
  padding:       8px;
  font-size:     13px;
  font-weight:   700;
  border:        none;
  border-radius: var(--braceai-radius-pill);
  background:    transparent;
  color:         var(--braceai-gray);
  cursor:        pointer;
  transition:    background 0.2s, color 0.2s;
  font-family:   var(--braceai-font-body);
}
.braceai-auth-tab.active {
  background:  var(--braceai-surface);
  color:       var(--braceai-navy-900);
  box-shadow:  var(--braceai-shadow-sm);
}

/* Form */
.braceai-auth-form  { display: flex; flex-direction: column; gap: 10px; }
.braceai-auth-field { display: flex; flex-direction: column; gap: 4px; }
.braceai-auth-label {
  font-size:      11px;
  font-weight:    700;
  color:          var(--braceai-navy-900);
  letter-spacing: 0.05em;
  text-transform: uppercase;
}
.braceai-auth-input {
  padding:        11px 14px;
  border:         1.5px solid var(--braceai-border);
  border-radius:  var(--braceai-radius-md);
  font-family:    var(--braceai-font-body);
  font-size:      14px;
  color:          var(--braceai-body);
  background:     var(--braceai-gray-50);
  transition:     border-color 0.2s, box-shadow 0.2s;
  outline:        none;
  width:          100%;
}
.braceai-auth-input:focus {
  border-color:  var(--braceai-navy-900);
  box-shadow:    var(--braceai-shadow-focus);
}
.braceai-auth-input.error   { border-color: var(--braceai-error); }
.braceai-auth-error-msg     { font-size: 11px; color: var(--braceai-error); font-weight: 500; min-height: 16px; }

/* Submit button */
.braceai-auth-submit {
  margin-top:      4px;
  width:           100%;
  padding:         13px;
  border:          none;
  border-radius:   var(--braceai-radius-pill);
  background:      var(--grad-cta);
  color:           #fff;
  font-family:     var(--braceai-font-body);
  font-size:       14px;
  font-weight:     700;
  cursor:          pointer;
  transition:      filter 0.2s, transform 0.2s, box-shadow 0.2s;
  box-shadow:      var(--braceai-shadow-cta);
  display:         flex;
  align-items:     center;
  justify-content: center;
  gap:             8px;
}
.braceai-auth-submit:hover    { filter: brightness(1.08); transform: translateY(-2px); box-shadow: var(--braceai-shadow-cta-lg); }
.braceai-auth-submit:disabled { opacity: 0.6; cursor: not-allowed; transform: none; }

/* Divider */
.braceai-auth-divider {
  display:    flex;
  align-items: center;
  gap:        8px;
  margin:     10px 0;
  color:      var(--braceai-gray);
  font-size:  11px;
}
.braceai-auth-divider::before,
.braceai-auth-divider::after {
  content:    '';
  flex:       1;
  height:     1px;
  background: var(--braceai-border);
}

/* Google button */
.braceai-auth-google-btn {
  width:           100%;
  padding:         11px;
  border:          1.5px solid var(--braceai-border);
  border-radius:   var(--braceai-radius-pill);
  background:      var(--braceai-surface);
  font-family:     var(--braceai-font-body);
  font-size:       13px;
  font-weight:     600;
  color:           var(--braceai-navy-900);
  cursor:          pointer;
  display:         flex;
  align-items:     center;
  justify-content: center;
  gap:             8px;
  transition:      border-color 0.2s, box-shadow 0.2s, background 0.2s;
}
.braceai-auth-google-btn:hover {
  border-color: var(--braceai-navy-900);
  box-shadow:   var(--braceai-shadow-md);
  background:   var(--braceai-gray-50);
}
.braceai-auth-google-btn svg { width: 16px; height: 16px; flex-shrink: 0; }

.braceai-auth-note {
  font-size:  11px;
  color:      var(--braceai-gray);
  text-align: center;
  margin-top: 8px;
  line-height: 1.5;
}

/* Password eye toggle */
.braceai-auth-input-wrap { position: relative; }
.braceai-auth-input-wrap .braceai-auth-input { padding-right: 44px; }
.braceai-eye-toggle {
  position:    absolute;
  right:       12px;
  top:         50%;
  transform:   translateY(-50%);
  background:  none;
  border:      none;
  cursor:      pointer;
  color:       var(--braceai-gray);
  display:     flex;
  align-items: center;
  padding:     4px;
  transition:  color 0.2s;
}
.braceai-eye-toggle:hover { color: var(--braceai-navy-900); }
.braceai-eye-toggle svg   { width: 17px; height: 17px; }

/* Loading spinner inside submit */
.braceai-auth-spinner {
  width:        18px;
  height:       18px;
  border:       2px solid rgba(255,255,255,0.4);
  border-top-color: #fff;
  border-radius: 50%;
  animation:    braceAISpin 0.7s linear infinite;
  display:      none;
}
.braceai-auth-submit.loading .braceai-auth-spinner  { display: block; }
.braceai-auth-submit.loading .braceai-auth-btn-text { opacity: 0.6; }

/* ════════════════════════════════════════════════════════════
   ONBOARDING WIZARD
   ════════════════════════════════════════════════════════════ */
.braceai-onboard-overlay {
  position:        fixed;
  inset:           0;
  z-index:         3000;
  background:      rgba(22,8,56,0.80);
  backdrop-filter: blur(10px);
  display:         flex;
  align-items:     flex-end;
  justify-content: center;
  opacity:         0;
  pointer-events:  none;
  transition:      opacity 0.3s ease;
}
@media (min-width: 520px) {
  .braceai-onboard-overlay { align-items: center; padding: 16px; }
}
.braceai-onboard-overlay.open { opacity: 1; pointer-events: all; }

.braceai-onboard-modal {
  background:    var(--braceai-surface);
  border-radius: 24px 24px 0 0;
  width:         100%;
  max-width:     100%;
  max-height:    92svh;
  overflow-y:    auto;
  box-shadow:    var(--braceai-shadow-modal);
  transform:     translateY(100%);
  transition:    transform 0.38s cubic-bezier(0.23,1,0.32,1);
}
@media (min-width: 520px) {
  .braceai-onboard-modal {
    border-radius: var(--braceai-radius-2xl);
    max-width:     440px;
    max-height:    90svh;
    transform:     translateY(24px) scale(0.97);
  }
}
.braceai-onboard-overlay.open .braceai-onboard-modal { transform: translateY(0) scale(1); }

/* Progress bar — navy → orange gradient fill */
.braceai-onboard-progress {
  height:        4px;
  background:    var(--braceai-gray-200);
  border-radius: 4px 4px 0 0;
  overflow:      hidden;
}
.braceai-onboard-progress-bar {
  height:     100%;
  background: linear-gradient(90deg, var(--braceai-navy-500) 0%, var(--braceai-brand-light) 100%);
  border-radius: 4px;
  transition: width 0.4s ease;
}

.braceai-onboard-body { padding: 24px; }

/* Steps */
.braceai-onboard-step        { display: none; }
.braceai-onboard-step.active { display: block; }
.braceai-onboard-step-label  {
  font-size:      11px;
  font-weight:    700;
  color:          var(--braceai-gray);
  text-transform: uppercase;
  letter-spacing: 0.10em;
  margin-bottom:  16px;
}

.braceai-onboard-icon {
  width:           52px;
  height:          52px;
  border-radius:   var(--braceai-radius-md);
  display:         flex;
  align-items:     center;
  justify-content: center;
  font-size:       24px;
  margin-bottom:   14px;
  background:      var(--grad-navy-tint);
  border:          1px solid var(--braceai-gray-200);
}
.braceai-onboard-title {
  font-family:    var(--braceai-font-display);
  font-size:      20px;
  font-weight:    800;
  color:          var(--braceai-navy-900);
  letter-spacing: -0.025em;
  margin-bottom:  6px;
}
.braceai-onboard-desc {
  font-size:    13px;
  color:        var(--braceai-gray);
  line-height:  1.6;
  margin-bottom: 20px;
}

/* Option cards */
.braceai-onboard-options { display: flex; flex-direction: column; gap: 8px; }
.braceai-onboard-option {
  display:       flex;
  align-items:   center;
  gap:           14px;
  padding:       14px;
  border-radius: var(--braceai-radius-lg);
  border:        1.5px solid var(--braceai-border);
  cursor:        pointer;
  transition:    border-color 0.2s, background 0.2s, box-shadow 0.2s;
  background:    var(--braceai-gray-50);
}
.braceai-onboard-option:hover {
  border-color: var(--braceai-navy-500);
  background:   var(--braceai-navy-50);
  box-shadow:   var(--braceai-shadow-sm);
}
.braceai-onboard-option.selected {
  border-color: var(--braceai-navy-900);
  background:   var(--braceai-navy-50);
  box-shadow:   var(--braceai-shadow-md);
}
.braceai-onboard-option-icon  { font-size: 22px; flex-shrink: 0; }
.braceai-onboard-option-text  { flex: 1; }
.braceai-onboard-option-title { font-size: 14px; font-weight: 700; color: var(--braceai-navy-900); }
.braceai-onboard-option-sub   { font-size: 12px; color: var(--braceai-gray); margin-top: 2px; }

.braceai-onboard-option-check {
  width:        20px;
  height:       20px;
  border-radius: 50%;
  border:       2px solid var(--braceai-border);
  flex-shrink:  0;
  transition:   border-color 0.2s, background 0.2s;
}
.braceai-onboard-option.selected .braceai-onboard-option-check {
  border-color: var(--braceai-navy-900);
  background:   var(--braceai-navy-900);
}

/* Fields inside steps */
.braceai-onboard-input-group { display: flex; flex-direction: column; gap: 12px; }
.braceai-onboard-field       { display: flex; flex-direction: column; gap: 6px; }
.braceai-onboard-field label {
  font-size:   12px;
  font-weight: 700;
  color:       var(--braceai-navy-900);
}
.braceai-onboard-field select,
.braceai-onboard-field input {
  padding:       11px 14px;
  border:        1.5px solid var(--braceai-border);
  border-radius: var(--braceai-radius-md);
  font-family:   var(--braceai-font-body);
  font-size:     14px;
  color:         var(--braceai-body);
  background:    var(--braceai-gray-50);
  outline:       none;
  transition:    border-color 0.2s, box-shadow 0.2s;
}
.braceai-onboard-field select:focus,
.braceai-onboard-field input:focus {
  border-color: var(--braceai-navy-900);
  box-shadow:   var(--braceai-shadow-focus);
}

/* Footer nav */
.braceai-onboard-footer {
  display:         flex;
  align-items:     center;
  justify-content: space-between;
  padding:         16px 24px 22px;
  border-top:      1px solid var(--braceai-border);
}
.braceai-onboard-skip {
  font-size:   13px;
  color:       var(--braceai-gray);
  font-weight: 600;
  background:  none;
  border:      none;
  cursor:      pointer;
  font-family: var(--braceai-font-body);
  transition:  color 0.2s;
}
.braceai-onboard-skip:hover { color: var(--braceai-navy-900); }

.braceai-onboard-next {
  display:         flex;
  align-items:     center;
  gap:             6px;
  padding:         11px 24px;
  background:      var(--grad-cta);
  color:           #fff;
  border:          none;
  border-radius:   var(--braceai-radius-pill);
  font-family:     var(--braceai-font-body);
  font-size:       14px;
  font-weight:     700;
  cursor:          pointer;
  transition:      filter 0.2s, transform 0.2s, box-shadow 0.2s;
  box-shadow:      var(--braceai-shadow-cta);
}
.braceai-onboard-next:hover { filter: brightness(1.08); transform: translateY(-2px); box-shadow: var(--braceai-shadow-cta-lg); }

/* Success screen */
.braceai-onboard-success {
  text-align: center;
  padding:    44px 24px;
}
.braceai-onboard-success-icon  { font-size: 52px; margin-bottom: 20px; }
.braceai-onboard-success-title {
  font-family:    var(--braceai-font-display);
  font-size:      24px;
  font-weight:    800;
  color:          var(--braceai-navy-900);
  letter-spacing: -0.025em;
  margin-bottom:  10px;
}
.braceai-onboard-success-sub {
  font-size:     14px;
  color:         var(--braceai-gray);
  line-height:   1.65;
  margin-bottom: 28px;
}
.braceai-onboard-success-btn {
  padding:       13px 36px;
  background:    var(--grad-cta);
  color:         #fff;
  border:        none;
  border-radius: var(--braceai-radius-pill);
  font-family:   var(--braceai-font-body);
  font-size:     15px;
  font-weight:   700;
  cursor:        pointer;
  transition:    filter 0.2s, transform 0.2s, box-shadow 0.2s;
  box-shadow:    var(--braceai-shadow-cta);
}
.braceai-onboard-success-btn:hover { filter: brightness(1.08); transform: translateY(-2px); box-shadow: var(--braceai-shadow-cta-lg); }

/* ════════════════════════════════════════════════════════════
   UPLOAD PROGRESS BAR
   ════════════════════════════════════════════════════════════ */
.braceai-upload-progress {
  height:        4px;
  background:    var(--braceai-gray-200);
  border-radius: 4px;
  overflow:      hidden;
  display:       none;
  margin-top:    8px;
}
.braceai-upload-progress.show { display: block; }
.braceai-upload-progress-bar {
  height:        100%;
  background:    linear-gradient(90deg, var(--braceai-navy-500) 0%, var(--braceai-brand-light) 100%);
  border-radius: 4px;
  width:         0%;
  transition:    width 0.3s ease;
}