/* css/pwa.css — PWA Native Feel & Install UI */
:root {
  --sat: env(safe-area-inset-top, 0);
  --sab: env(safe-area-inset-bottom, 0);
  --navy: #0F2942;
  --navy-2: #16395C;
  --gold: #F5B301;
  --gold-2: #D49601;
  --card: #FFFFFF;
  --text: #1F2937;
  --muted: #64748B;
  --line: #E2E8F0;
  --bg-modal: rgba(4, 14, 26, 0.92);
}

/* ===== Standalone Mode Adjustments ===== */
@media (display-mode: standalone) {
  html { overscroll-behavior-y: contain; }
  body { padding-top: var(--sat); padding-bottom: var(--sab); }
  #topbar { padding-top: calc(6px + var(--sat)); }
  #screen { padding-bottom: calc(24px + var(--sab)); }
  .hl-shell { padding-top: calc(20px + var(--sat)); }
}

/* ===== Touch Feedback ===== */
.btn:active, button:active, .tb-btn:active { transform: scale(0.97); }
a:active { opacity: 0.7; }

/* ===== Update Banner (Top, Persistent) ===== */
#update-banner {
  position: fixed; top: 0; left: 0; right: 0; z-index: 1002;
  background: linear-gradient(180deg, var(--gold), var(--gold-2));
  padding: 10px 16px calc(10px + var(--sat));
  transform: translateY(-100%); opacity: 0;
  transition: transform .35s cubic-bezier(.16,1,.3,1), opacity .25s;
  pointer-events: none;
  display: none;
}
#update-banner.show { 
  display: flex; 
  transform: translateY(0); opacity: 1; pointer-events: auto; 
}
.update-banner-content { display: flex; align-items: center; justify-content: space-between; gap: 12px; max-width: 480px; margin: 0 auto; }
.update-banner-content span { color: #3B2B00; font-weight: 700; font-size: 0.9rem; }
.update-banner-actions { display: flex; gap: 8px; flex-shrink: 0; }
.update-banner-content .btn-sm { padding: 6px 12px; font-size: 0.8rem; min-height: 36px; border-radius: 8px; }

/* ===== Install Banner (Android/Desktop) - Bottom ===== */
#install-banner {
  position: fixed; bottom: 0; left: 0; right: 0; z-index: 1000;
  background: linear-gradient(180deg, transparent, var(--navy) 20%);
  padding: 12px 16px calc(12px + var(--sab));
  transform: translateY(100%); opacity: 0;
  transition: transform .35s cubic-bezier(.16,1,.3,1), opacity .25s;
  pointer-events: none;
  display: none;
}
#install-banner.show { 
  display: flex; 
  transform: translateY(0); opacity: 1; pointer-events: auto; 
}
.install-banner-content { display: flex; align-items: center; justify-content: space-between; gap: 12px; max-width: 480px; margin: 0 auto; }
.install-banner-content span { color: #fff; font-weight: 600; font-size: 0.95rem; }
.install-banner-actions { display: flex; gap: 8px; flex-shrink: 0; }
.btn-sm { padding: 8px 16px; font-size: 0.875rem; min-height: 40px; border-radius: 10px; }

/* ===== iOS Install Modal ===== */
#ios-install-modal {
  position: fixed; inset: 0; z-index: 1001;
  background: rgba(0,0,0,.75); display: flex; align-items: center; justify-content: center;
  opacity: 0; pointer-events: none; transition: opacity .25s;
  padding: 20px;
  display: none;
}
#ios-install-modal.show { display: flex; opacity: 1; pointer-events: auto; }
.ios-modal-card {
  background: var(--card); border-radius: 20px; max-width: 360px; width: 100%;
  overflow: hidden; transform: scale(0.92) translateY(20px);
  transition: transform .3s cubic-bezier(.16,1,.3,1);
  box-shadow: 0 20px 60px rgba(0,0,0,.3);
}
#ios-install-modal.show .ios-modal-card { transform: scale(1) translateY(0); }
.ios-modal-header { padding: 20px 20px 8px; text-align: center; border-bottom: 1px solid var(--line); }
.ios-modal-header h3 { margin: 0; font-size: 1.15rem; font-weight: 700; color: var(--navy); }
.ios-modal-body { padding: 24px 20px; }
.ios-guide { display: flex; flex-direction: column; align-items: center; gap: 0; }
.ios-step { display: flex; align-items: center; gap: 14px; width: 100%; max-width: 280px; padding: 8px 0; }
.ios-step svg { width: 36px; height: 36px; flex-shrink: 0; color: var(--navy); }
.ios-step:first-child svg { color: var(--gold); }
.ios-step span { font-size: 0.95rem; color: var(--text); line-height: 1.4; }
.ios-step strong { color: var(--navy); }
.ios-arrow-down {
  width: 28px; height: 28px; margin: 4px 0;
  background: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%23F5B301' stroke-width='2.5' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpath d='M12 5v14M19 12l-7 7-7-7'/%3E%3C/svg%3E") center/contain no-repeat;
  animation: ios-bounce 1.5s ease-in-out infinite;
}
@keyframes ios-bounce { 0%, 100% { transform: translateY(0); } 50% { transform: translateY(6px); } }
.ios-modal-footer { padding: 12px 20px 20px; }
.ios-modal-footer .btn { width: 100%; }

/* ===== Progress Modal ===== */
#progress-modal {
  position: fixed; inset: 0; z-index: 1002;
  background: var(--bg-modal); display: flex; align-items: center; justify-content: center;
  opacity: 0; pointer-events: none; transition: opacity .2s;
  backdrop-filter: blur(8px); padding: 20px;
  display: none;
}
#progress-modal.show { display: flex; opacity: 1; pointer-events: auto; }
.progress-modal-card {
  background: var(--card); border-radius: 20px; max-width: 360px; width: 100%;
  overflow: hidden; transform: scale(0.92);
  transition: transform .3s cubic-bezier(.16,1,.3,1);
  box-shadow: 0 20px 60px rgba(0,0,0,.4);
}
#progress-modal.show .progress-modal-card { transform: scale(1); }
.progress-header { padding: 20px 20px 8px; text-align: center; border-bottom: 1px solid var(--line); }
.progress-header h3 { margin: 0; font-size: 1.1rem; font-weight: 700; color: var(--navy); }
.progress-body { padding: 24px 20px; }
.progress-bar-wrap {
  width: 100%; height: 8px; background: var(--line); border-radius: 4px; overflow: hidden;
}
.progress-bar {
  height: 100%; background: linear-gradient(90deg, var(--navy), var(--gold)); border-radius: 4px;
  transition: width .3s ease; transform-origin: left;
}
.progress-stats { display: flex; justify-content: space-between; margin-top: 12px; font-size: 0.85rem; color: var(--muted); }
.progress-current { margin-top: 16px; font-size: 0.8rem; color: var(--muted); text-align: center; min-height: 1.2em; word-break: break-all; }
.progress-hint { margin-top: 20px; text-align: center; font-size: 0.85rem; color: var(--muted); animation: pulse 1.5s ease-in-out infinite; }
@keyframes pulse { 0%, 100% { opacity: 0.6; } 50% { opacity: 1; } }

/* ===== Update Toast ===== */
#update-toast {
  position: fixed; bottom: 80px; left: 50%; z-index: 1000;
  transform: translateX(-50%) translateY(100px); opacity: 0;
  background: var(--navy); color: #fff; padding: 12px 20px; border-radius: 14px;
  display: flex; align-items: center; gap: 12px; box-shadow: 0 10px 30px rgba(0,0,0,.3);
  transition: transform .35s cubic-bezier(.16,1,.3,1), opacity .25s;
  pointer-events: none; white-space: nowrap;
  display: none;
}
#update-toast.show { display: flex; transform: translateX(-50%) translateY(0); opacity: 1; pointer-events: auto; }
#update-toast .btn-sm { padding: 6px 14px; font-size: 0.8rem; min-height: 36px; }

/* ===== Reduced Motion ===== */
@media (prefers-reduced-motion: reduce) {
  #install-banner, #ios-install-modal, #ios-install-modal .ios-modal-card,
  #progress-modal, #progress-modal .progress-modal-card, #update-toast,
  .ios-arrow-down, .progress-bar { transition: none !important; animation: none !important; }
}