/* ============================================================
   VKU Field Survey — Premium Redesign v2
   Dark Glassmorphism · Animated · Mobile-First PWA
   ============================================================ */

@import url("https://fonts.googleapis.com/css2?family=Inter:wght@400;500;600;700;800;900&display=swap");

/* -- Design Tokens -- */
:root {
  --bg-base: #060d1f;
  --bg-surface: rgba(255,255,255,0.03);
  --bg-surface-hover: rgba(255,255,255,0.06);
  --bg-input: rgba(255,255,255,0.05);
  --bg-input-focus: rgba(56,189,248,0.07);
  --border: rgba(255,255,255,0.09);
  --border-bright: rgba(255,255,255,0.18);
  --border-focus: #38bdf8;

  --text-primary: #eef4ff;
  --text-secondary: #7b93b8;
  --text-muted: #3d5470;

  --blue:        #2563eb;
  --blue-mid:    #3b82f6;
  --blue-light:  #60a5fa;
  --cyan:        #06b6d4;
  --cyan-light:  #22d3ee;
  --cyan-glow:   rgba(6,182,212,0.22);
  --violet:      #7c3aed;
  --violet-light:#a78bfa;
  --orange:      #f97316;
  --orange-dim:  rgba(249,115,22,0.18);
  --green:       #22c55e;
  --green-dim:   rgba(34,197,94,0.13);
  --red:         #f43f5e;
  --red-dim:     rgba(244,63,94,0.13);

  --grad-brand:      linear-gradient(135deg,#2563eb 0%,#06b6d4 100%);
  --grad-btn:        linear-gradient(135deg,#2563eb 0%,#0891b2 100%);
  --grad-brand-soft: linear-gradient(135deg,rgba(37,99,235,0.25),rgba(6,182,212,0.15));

  --r-sm: 10px;
  --r-md: 16px;
  --r-lg: 22px;
  --r-xl: 32px;

  --shadow-card: 0 8px 40px rgba(0,0,0,0.55),inset 0 1px 0 rgba(255,255,255,0.07);
  --shadow-btn:  0 4px 24px rgba(37,99,235,0.45);
  --transition:  0.2s cubic-bezier(0.4,0,0.2,1);
  --font:       "Inter",system-ui,-apple-system,sans-serif;
}

*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{
  font-family:var(--font);
  background:var(--bg-base);
  color:var(--text-primary);
  min-height:100dvh;
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
  background-image:
    radial-gradient(ellipse 100% 60% at 50% -10%,rgba(37,99,235,0.22) 0%,transparent 65%),
    radial-gradient(ellipse 60% 50% at 85% 80%,rgba(6,182,212,0.10) 0%,transparent 55%),
    radial-gradient(ellipse 50% 40% at 10% 70%,rgba(124,58,237,0.08) 0%,transparent 50%);
}

.shell{max-width:620px;margin:0 auto;padding-bottom:90px;min-height:100dvh;position:relative}

/* TOP BAR */
.topbar{
  display:flex;align-items:center;justify-content:space-between;
  padding:18px 20px 14px;border-bottom:1px solid var(--border);gap:12px;
  position:sticky;top:0;z-index:100;
  background:rgba(6,13,31,0.80);
  backdrop-filter:blur(20px) saturate(180%);
  -webkit-backdrop-filter:blur(20px) saturate(180%);
}
.topbar-brand{display:flex;align-items:center;gap:12px}
.topbar-logo{
  width:38px;height:38px;background:var(--grad-brand);border-radius:11px;
  display:grid;place-items:center;font-size:19px;flex-shrink:0;
  box-shadow:var(--shadow-btn),0 0 0 1px rgba(255,255,255,0.1);
  position:relative;overflow:hidden;
}
.topbar-logo::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(135deg,rgba(255,255,255,0.15) 0%,transparent 60%);
}
.eyebrow{font-size:10px;font-weight:700;letter-spacing:2.5px;color:var(--cyan-light);text-transform:uppercase}
.topbar h1{
  font-size:17px;font-weight:800;line-height:1;margin:3px 0 0;letter-spacing:-0.4px;
  background:linear-gradient(90deg,#e0f2fe,#a5f3fc);
  -webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text;
}

/* Network */
.network-pill{
  display:flex;align-items:center;gap:7px;padding:6px 13px;
  border-radius:100px;font-size:11px;font-weight:700;border:1px solid transparent;
  transition:all var(--transition);white-space:nowrap;flex-shrink:0;
  letter-spacing:0.3px;text-transform:uppercase;
}
.network-pill.online{background:var(--green-dim);border-color:rgba(34,197,94,0.25);color:var(--green)}
.network-pill.offline{background:var(--red-dim);border-color:rgba(244,63,94,0.25);color:var(--red)}
.network-dot{width:7px;height:7px;border-radius:50%;background:currentColor;flex-shrink:0}
.network-pill.online .network-dot{animation:pulse-dot 1.8s ease-in-out infinite}
@keyframes pulse-dot{0%,100%{opacity:1;transform:scale(1)}50%{opacity:.6;transform:scale(.85)}}

/* Install Banner */
#install-banner{
  margin:14px 18px 0;padding:14px 16px;
  background:var(--grad-brand-soft);border:1px solid rgba(37,99,235,0.3);
  border-radius:var(--r-md);display:flex;align-items:center;gap:12px;animation:slideDown 0.4s ease;
}
#install-banner.hidden{display:none}
.install-text{flex:1;font-size:13px;color:var(--text-secondary);line-height:1.4}
.install-text strong{color:var(--text-primary);display:block;font-size:14px;font-weight:700;margin-bottom:2px}
.install-btn{
  padding:8px 16px;background:var(--grad-btn);color:white;border:none;
  border-radius:var(--r-sm);font-size:13px;font-weight:700;cursor:pointer;
  white-space:nowrap;transition:var(--transition);letter-spacing:0.2px;
}
.install-btn:hover{opacity:.88;transform:translateY(-1px)}
.install-dismiss{
  background:none;border:none;color:var(--text-muted);cursor:pointer;
  font-size:20px;padding:4px;line-height:1;transition:var(--transition);flex-shrink:0;
}
.install-dismiss:hover{color:var(--text-primary);transform:rotate(90deg)}

/* Intro */
.intro{padding:26px 20px 22px;border-bottom:1px solid var(--border);position:relative;overflow:hidden}
.intro::before{
  content:"";position:absolute;top:0;left:0;right:0;height:1px;
  background:linear-gradient(90deg,transparent,rgba(6,182,212,0.4),transparent);
}
.intro .kicker{
  font-size:11px;font-weight:700;letter-spacing:2.5px;color:var(--cyan-light);
  text-transform:uppercase;margin-bottom:10px;display:flex;align-items:center;gap:8px;
}
.intro .kicker::before{
  content:"";display:inline-block;width:20px;height:2px;
  background:var(--cyan);border-radius:2px;
}
.intro h2{
  font-size:clamp(22px,5.5vw,32px);font-weight:900;line-height:1.1;
  letter-spacing:-0.8px;color:var(--text-primary);margin-bottom:8px;
}
.intro p.muted{font-size:14px;color:var(--text-secondary);line-height:1.6}

/* Progress */
.progress-wrapper{display:flex;align-items:center;gap:12px;margin-top:22px}
.progress-label{
  font-size:11px;font-weight:700;color:var(--text-muted);letter-spacing:1.5px;
  white-space:nowrap;min-width:76px;font-variant-numeric:tabular-nums;
}
.progress-track{
  flex:1;height:5px;background:rgba(255,255,255,0.06);border-radius:100px;overflow:hidden;
}
.progress-fill{
  height:100%;
  background:linear-gradient(90deg,#2563eb,#06b6d4,#a78bfa);
  background-size:200% 100%;
  animation:shimmer 3s linear infinite;
  border-radius:100px;
  transition:width 0.45s cubic-bezier(0.34,1.56,0.64,1);
  width:25%;
}
@keyframes shimmer{0%{background-position:100% 0}100%{background-position:-100% 0}}

/* Steps */
#survey-form{padding:0 18px}
.step{display:none;padding:28px 0 20px}
.step.active{display:block;animation:stepIn 0.32s cubic-bezier(0.34,1.56,0.64,1)}
@keyframes stepIn{
  from{opacity:0;transform:translateX(20px) scale(0.98)}
  to{opacity:1;transform:translateX(0) scale(1)}
}
.step-number{
  font-size:11px;font-weight:700;letter-spacing:2.5px;color:var(--blue-light);
  text-transform:uppercase;margin-bottom:8px;display:flex;align-items:center;gap:10px;
}
.step-number::before{
  content:"";display:inline-block;width:16px;height:2px;
  background:currentColor;border-radius:2px;opacity:0.6;
}
.step h2{
  font-size:clamp(20px,4.5vw,26px);font-weight:800;letter-spacing:-0.5px;
  margin-bottom:26px;line-height:1.2;color:var(--text-primary);
}

/* Fields */
.fields{display:grid;grid-template-columns:1fr 1fr;gap:14px}
.wide{grid-column:1/-1}
.field-label{display:flex;flex-direction:column;gap:7px}
.field-label span{
  font-size:11px;font-weight:700;color:var(--text-muted);
  letter-spacing:1px;text-transform:uppercase;padding-left:2px;
}
.field-label input,
.field-label select,
.field-label textarea{
  background:var(--bg-input);border:1.5px solid var(--border);border-radius:var(--r-sm);
  color:var(--text-primary);font-family:var(--font);font-size:15px;font-weight:500;
  padding:13px 15px;width:100%;outline:none;
  transition:border-color var(--transition),background var(--transition),box-shadow var(--transition);
  -webkit-appearance:none;appearance:none;line-height:1.4;
}
.field-label select{
  background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='16' height='16' fill='%237b93b8' viewBox='0 0 16 16'%3E%3Cpath d='M7.247 11.14L2.451 5.658C1.885 5.013 2.345 4 3.204 4h9.592a1 1 0 0 1 .753 1.659l-4.796 5.48a1 1 0 0 1-1.506 0z'/%3E%3C/svg%3E");
  background-repeat:no-repeat;background-position:right 13px center;padding-right:38px;cursor:pointer;
}
.field-label select option{background:#0e1a2e;color:var(--text-primary)}
.field-label input:focus,
.field-label select:focus,
.field-label textarea:focus{
  border-color:var(--border-focus);background:var(--bg-input-focus);
  box-shadow:0 0 0 3px var(--cyan-glow);
}
.field-label input::placeholder,
.field-label textarea::placeholder{color:var(--text-muted);font-weight:400}
.field-label textarea{resize:vertical;min-height:110px;line-height:1.6}

/* Stars */
.stars-section{
  display:flex;flex-direction:column;gap:14px;margin-bottom:24px;
  padding:20px;background:var(--bg-surface);border:1.5px solid var(--border);
  border-radius:var(--r-lg);position:relative;overflow:hidden;
}
.stars-section::before{
  content:"";position:absolute;inset:0;
  background:radial-gradient(ellipse at 50% 0%,rgba(249,115,22,0.06) 0%,transparent 70%);
  pointer-events:none;
}
.stars-legend{font-size:11px;font-weight:700;color:var(--text-muted);text-transform:uppercase;letter-spacing:1px}
.stars{display:flex;gap:6px;justify-content:center}
.star-btn{
  background:none;border:none;font-size:42px;cursor:pointer;
  color:rgba(255,255,255,0.10);
  transition:color var(--transition),transform var(--transition),filter var(--transition);
  padding:2px 4px;line-height:1;-webkit-tap-highlight-color:transparent;
  filter:drop-shadow(0 0 0px transparent);
}
.star-btn:hover,.star-btn.active{color:var(--orange);filter:drop-shadow(0 0 8px rgba(249,115,22,0.5))}
.star-btn:hover{transform:scale(1.18)}
.star-btn.active{animation:starPop 0.25s ease}
@keyframes starPop{0%{transform:scale(1)}40%{transform:scale(1.35)}100%{transform:scale(1)}}
.stars-label{font-size:13px;font-weight:500;color:var(--text-secondary);min-height:20px;text-align:center;transition:var(--transition)}

/* Photo */
.photo-area{display:flex;flex-direction:column;gap:14px}
.photo-btn{
  display:flex;align-items:center;justify-content:center;gap:10px;padding:20px;
  background:var(--bg-surface);border:2px dashed rgba(37,99,235,0.30);
  border-radius:var(--r-md);color:var(--text-secondary);font-family:var(--font);
  font-size:15px;font-weight:600;cursor:pointer;transition:all var(--transition);
  width:100%;text-align:center;position:relative;overflow:hidden;
}
.photo-btn::before{
  content:"";position:absolute;inset:0;background:var(--grad-brand-soft);
  opacity:0;transition:opacity var(--transition);
}
.photo-btn:hover{border-color:var(--cyan);color:var(--cyan-light);transform:translateY(-1px)}
.photo-btn:hover::before{opacity:1}
.photo-btn>*{position:relative;z-index:1}
.photo-btn-icon{font-size:26px}
.photo-preview{
  display:none;position:relative;border-radius:var(--r-md);overflow:hidden;
  border:1.5px solid var(--border);box-shadow:var(--shadow-card);
}
.photo-preview.has-photo{display:block;animation:fadeIn 0.3s ease}
@keyframes fadeIn{from{opacity:0;transform:scale(0.97)}to{opacity:1;transform:scale(1)}}
.photo-preview img{width:100%;display:block;max-height:280px;object-fit:cover}
.photo-remove{
  position:absolute;top:10px;right:10px;background:rgba(0,0,0,0.7);
  backdrop-filter:blur(6px);color:white;border:1px solid rgba(255,255,255,0.15);
  border-radius:50%;width:34px;height:34px;font-size:15px;cursor:pointer;
  display:grid;place-items:center;transition:var(--transition);
}
.photo-remove:hover{background:var(--red);border-color:var(--red);transform:scale(1.1)}
.location-status{
  font-size:13px;color:var(--text-muted);display:flex;align-items:center;gap:7px;
  padding:10px 14px;background:var(--bg-surface);border-radius:var(--r-sm);
  border:1px solid var(--border);font-weight:500;
}
.location-status.captured{color:var(--green);background:var(--green-dim);border-color:rgba(34,197,94,0.25)}

/* Form Actions */
.form-actions{
  position:sticky;bottom:0;
  background:rgba(6,13,31,0.88);
  backdrop-filter:blur(20px) saturate(180%);
  -webkit-backdrop-filter:blur(20px) saturate(180%);
  border-top:1px solid var(--border);padding:12px 18px;
  display:flex;align-items:center;justify-content:space-between;gap:12px;z-index:90;
}
.draft-status{
  font-size:11px;color:var(--text-muted);flex:1;text-align:center;
  transition:var(--transition);font-weight:500;white-space:nowrap;
  overflow:hidden;text-overflow:ellipsis;
}
.btn-back{
  background:var(--bg-surface);border:1.5px solid var(--border);color:var(--text-secondary);
  border-radius:var(--r-sm);padding:11px 18px;font-family:var(--font);font-size:14px;
  font-weight:600;cursor:pointer;transition:all var(--transition);white-space:nowrap;flex-shrink:0;
  display:flex;align-items:center;gap:6px;
}
.btn-back:hover:not(:disabled){border-color:var(--border-bright);color:var(--text-primary);background:var(--bg-surface-hover)}
.btn-back:disabled{opacity:.30;cursor:default}
.btn-next{
  background:var(--grad-btn);color:white;border:none;border-radius:var(--r-sm);
  padding:12px 26px;font-family:var(--font);font-size:14px;font-weight:700;cursor:pointer;
  transition:all var(--transition);white-space:nowrap;box-shadow:var(--shadow-btn);
  display:flex;align-items:center;gap:6px;flex-shrink:0;letter-spacing:0.2px;
  position:relative;overflow:hidden;
}
.btn-next::before{
  content:"";position:absolute;inset:0;
  background:linear-gradient(135deg,rgba(255,255,255,0.12) 0%,transparent 60%);
}
.btn-next>*{position:relative;z-index:1}
.btn-next:hover:not(:disabled){transform:translateY(-2px);box-shadow:0 8px 32px rgba(37,99,235,0.55)}
.btn-next:active:not(:disabled){transform:translateY(0);box-shadow:var(--shadow-btn)}
.btn-next.submitting{opacity:.7;cursor:wait}
.btn-next:disabled{opacity:.5;cursor:default}
.btn-next.submit-mode{
  background:linear-gradient(135deg,#059669,#0891b2);
  box-shadow:0 4px 24px rgba(5,150,105,0.45);
  animation:pulse-btn 2s ease-in-out infinite;
}
@keyframes pulse-btn{
  0%,100%{box-shadow:0 4px 24px rgba(5,150,105,0.45)}
  50%{box-shadow:0 4px 40px rgba(5,150,105,0.70)}
}

/* Queue */
.queue-section{padding:28px 18px 0;border-top:1px solid var(--border);margin-top:12px;position:relative}
.queue-section::before{
  content:"";position:absolute;top:0;left:18px;right:18px;height:1px;
  background:linear-gradient(90deg,transparent,rgba(37,99,235,0.35),transparent);
}
.queue-header{display:flex;align-items:center;justify-content:space-between;margin-bottom:18px;gap:12px}
.queue-title-group .kicker{font-size:11px;font-weight:700;letter-spacing:2px;color:var(--cyan-light);text-transform:uppercase;margin-bottom:4px}
.queue-title-group h2{font-size:21px;font-weight:800;letter-spacing:-0.4px}
.queue-count{
  background:var(--bg-surface);border:1.5px solid var(--border);border-radius:100px;
  padding:5px 14px;font-size:12px;font-weight:700;color:var(--text-secondary);
  white-space:nowrap;letter-spacing:0.3px;
}
.queue-empty{text-align:center;padding:48px 20px;color:var(--text-muted);font-size:14px;line-height:1.7}
.queue-empty .queue-empty-icon{
  font-size:44px;display:block;margin-bottom:14px;opacity:.6;
  animation:float 4s ease-in-out infinite;
}
@keyframes float{0%,100%{transform:translateY(0)}50%{transform:translateY(-6px)}}

.record-card{
  background:var(--bg-surface);border:1.5px solid var(--border);border-radius:var(--r-md);
  padding:16px;margin-bottom:10px;transition:all var(--transition);
  animation:cardIn 0.35s cubic-bezier(0.34,1.56,0.64,1);position:relative;overflow:hidden;
}
.record-card::before{
  content:"";position:absolute;left:0;top:0;bottom:0;width:3px;
  background:var(--grad-brand);border-radius:3px 0 0 3px;opacity:0.6;
}
.record-card:hover{
  background:var(--bg-surface-hover);border-color:var(--border-bright);
  transform:translateY(-1px);box-shadow:0 4px 24px rgba(0,0,0,0.3);
}
@keyframes cardIn{from{opacity:0;transform:translateY(12px) scale(0.97)}to{opacity:1;transform:translateY(0) scale(1)}}
.record-top{display:flex;align-items:flex-start;justify-content:space-between;gap:12px;margin-bottom:10px}
.record-location{font-size:15px;font-weight:700;color:var(--text-primary)}
.record-category{font-size:12px;color:var(--text-secondary);margin-top:3px;font-weight:500}
.record-actions{display:flex;align-items:center;gap:8px;flex-shrink:0}
.status-badge{font-size:10px;font-weight:800;padding:4px 10px;border-radius:100px;letter-spacing:0.8px;white-space:nowrap;text-transform:uppercase}
.status-badge.pending{background:var(--orange-dim);color:var(--orange);border:1px solid rgba(249,115,22,0.25)}
.status-badge.synced{background:var(--green-dim);color:var(--green);border:1px solid rgba(34,197,94,0.25)}
.record-delete{
  background:none;border:1.5px solid var(--border);border-radius:var(--r-sm);
  color:var(--text-muted);width:30px;height:30px;display:grid;place-items:center;
  cursor:pointer;font-size:13px;transition:all var(--transition);flex-shrink:0;
}
.record-delete:hover{border-color:var(--red);color:var(--red);background:var(--red-dim);transform:scale(1.1)}
.record-meta{
  display:flex;align-items:center;gap:12px;flex-wrap:wrap;
  padding-top:10px;border-top:1px solid var(--border);margin-top:2px;
}
.record-stars{color:var(--orange);font-size:13px;letter-spacing:-2px}
.record-uuid{font-size:11px;color:var(--text-muted);font-family:"Courier New",monospace}
.record-time{font-size:11px;color:var(--text-muted);margin-left:auto;font-weight:500}

/* Toast */
#toast-container{
  position:fixed;bottom:100px;left:50%;transform:translateX(-50%);z-index:9999;
  display:flex;flex-direction:column-reverse;gap:8px;align-items:center;
  pointer-events:none;width:min(440px,calc(100vw - 28px));
}
.toast{
  background:rgba(14,26,50,0.96);backdrop-filter:blur(16px) saturate(180%);
  border:1.5px solid var(--border-bright);border-radius:var(--r-md);
  padding:13px 18px;font-size:14px;font-weight:500;color:var(--text-primary);
  display:flex;align-items:center;gap:10px;
  animation:toastIn 0.32s cubic-bezier(0.34,1.56,0.64,1);
  pointer-events:all;box-shadow:0 8px 40px rgba(0,0,0,0.5);width:100%;line-height:1.4;
}
.toast.success{border-color:rgba(34,197,94,0.45)}
.toast.error{border-color:rgba(244,63,94,0.45)}
.toast.info{border-color:rgba(37,99,235,0.45)}
.toast-icon{font-size:18px;flex-shrink:0}
@keyframes toastIn{from{opacity:0;transform:translateY(14px) scale(0.93)}to{opacity:1;transform:translateY(0) scale(1)}}
@keyframes toastOut{to{opacity:0;transform:translateY(8px) scale(0.95)}}

/* Validation */
input.invalid,select.invalid,textarea.invalid{
  border-color:var(--red) !important;box-shadow:0 0 0 3px var(--red-dim) !important;
  animation:shake 0.35s ease;
}
@keyframes shake{0%,100%{transform:translateX(0)}20%{transform:translateX(-6px)}40%{transform:translateX(6px)}60%{transform:translateX(-4px)}80%{transform:translateX(4px)}}
.field-error{font-size:12px;color:var(--red);margin-top:4px;font-weight:500}

/* Misc */
@keyframes slideDown{from{opacity:0;transform:translateY(-10px)}to{opacity:1;transform:translateY(0)}}
::-webkit-scrollbar{width:4px}
::-webkit-scrollbar-track{background:transparent}
::-webkit-scrollbar-thumb{background:rgba(255,255,255,0.10);border-radius:4px}
::-webkit-scrollbar-thumb:hover{background:rgba(255,255,255,0.18)}

@media (max-width:480px){
  .topbar h1{font-size:15px}
  .topbar-logo{width:34px;height:34px;font-size:17px}
  .intro h2{font-size:21px}
  .step h2{font-size:19px}
  .fields{grid-template-columns:1fr}
  .wide{grid-column:auto}
  .star-btn{font-size:36px}
  .btn-next{padding:12px 20px;font-size:13px}
  .btn-back{padding:11px 14px;font-size:13px}
}
/* Extra states appended */
.status-badge.failed {
  background: rgba(244,63,94,0.15);
  color: #f43f5e;
  border: 1px solid rgba(244,63,94,0.30);
}
.record-card.blocked {
  border-color: rgba(244,63,94,0.25);
}
.record-card.blocked::before {
  background: linear-gradient(135deg,#f43f5e,#f97316);
}
.record-retry {
  background: none;
  border: 1.5px solid rgba(37,99,235,0.35);
  border-radius: 10px;
  color: #60a5fa;
  width: 30px;
  height: 30px;
  display: grid;
  place-items: center;
  cursor: pointer;
  font-size: 16px;
  transition: all 0.2s cubic-bezier(0.4,0,0.2,1);
  flex-shrink: 0;
}
.record-retry:hover {
  border-color: #2563eb;
  background: rgba(37,99,235,0.12);
  transform: rotate(180deg);
}
.record-attempts {
  font-size: 11px;
  color: #f97316;
  font-weight: 600;
  margin-left: auto;
  background: rgba(249,115,22,0.10);
  padding: 2px 8px;
  border-radius: 100px;
  border: 1px solid rgba(249,115,22,0.20);
}