/* =============================================
   Priority Perks Check – styles.css
   Mobile-first · card layout · system fonts
   ============================================= */

/* --- Custom Properties --- */
:root {
  --color-bg: #f0f1f5;
  --color-surface: #ffffff;
  --color-text: #1a1b2e;
  --color-text-secondary: #5f6177;
  --color-primary: #5046e5;
  --color-primary-hover: #4338ca;
  --color-primary-light: #eef0ff;
  --color-primary-text: #fff;
  --color-cta: #229ED9;
  --color-cta-hover: #1a8ac4;
  --color-success: #16a34a;
  --color-error: #dc2626;
  --color-border: #d1d5db;
  --color-border-focus: var(--color-primary);
  --color-progress-bg: #e2e4ea;
  --color-accent: #f59e0b;
  --font: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  --radius: 12px;
  --radius-sm: 8px;
  --radius-xs: 6px;
  --max-w: 420px;
  --sp-xs: 4px;
  --sp-sm: 8px;
  --sp-md: 16px;
  --sp-lg: 24px;
  --sp-xl: 32px;
  --shadow: 0 2px 20px rgba(0,0,0,.07);
  --tr: .15s ease;
}

/* --- Reset --- */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { font-size: 16px; -webkit-text-size-adjust: 100%; }

body {
  font-family: var(--font);
  background: var(--color-bg);
  color: var(--color-text);
  line-height: 1.5;
  min-height: 100dvh;
  display: flex;
  justify-content: center;
  align-items: flex-start;
}

/* --- Card-style Container --- */
.container {
  width: 100%;
  max-width: var(--max-w);
  background: var(--color-surface);
  min-height: 100dvh;
  display: flex;
  flex-direction: column;
  position: relative;
}
@media (min-width: 460px) {
  .container {
    min-height: auto;
    margin: var(--sp-lg) auto;
    border-radius: var(--radius);
    box-shadow: var(--shadow);
    overflow: hidden;
  }
}

/* --- Views --- */
.view { display: flex; flex-direction: column; flex: 1; }
.view[hidden] { display: none !important; }

.view-body {
  flex: 1;
  padding: var(--sp-lg) var(--sp-md);
}

/* --- Centered content --- */
.center-content {
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  gap: var(--sp-md);
}

h1 {
  font-size: 1.4rem;
  font-weight: 700;
  letter-spacing: -.01em;
  line-height: 1.3;
}

.subtitle {
  color: var(--color-text-secondary);
  font-size: .92rem;
  max-width: 340px;
}

/* --- Hero Icon --- */
.hero-icon { margin-bottom: var(--sp-sm); }

/* --- Trust List --- */
.trust-list {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 6px;
  font-size: .82rem;
  color: var(--color-text-secondary);
  margin: var(--sp-sm) 0;
}
.trust-list li {
  display: flex;
  align-items: center;
  gap: 6px;
}

/* --- Buttons --- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--sp-sm);
  font-family: inherit;
  font-size: 1rem;
  font-weight: 600;
  border: none;
  border-radius: var(--radius-sm);
  cursor: pointer;
  padding: 13px 28px;
  min-height: 48px;
  transition: background var(--tr), box-shadow var(--tr), transform var(--tr);
  -webkit-tap-highlight-color: transparent;
}
.btn:focus-visible {
  outline: 3px solid var(--color-primary);
  outline-offset: 2px;
}
.btn:active { transform: scale(.98); }

.btn-primary {
  background: var(--color-primary);
  color: var(--color-primary-text);
}
.btn-primary:hover { background: var(--color-primary-hover); }

.btn-secondary {
  background: transparent;
  color: var(--color-text);
  border: 1.5px solid var(--color-border);
}
.btn-secondary:hover { border-color: var(--color-text); }

/* Telegram CTA */
.btn-cta {
  background: var(--color-cta);
  color: #fff;
  width: 100%;
  font-size: 1rem;
  padding: 14px var(--sp-md);
  text-decoration: none;
  border-radius: var(--radius-sm);
}
.btn-cta:hover { background: var(--color-cta-hover); }
.btn-cta:focus-visible {
  outline: 3px solid var(--color-cta);
  outline-offset: 2px;
}
.btn-cta svg { flex-shrink: 0; }

/* Link-style button */
.link-btn {
  background: none;
  border: none;
  color: var(--color-text-secondary);
  font-family: inherit;
  font-size: .82rem;
  cursor: pointer;
  text-decoration: underline;
  padding: var(--sp-xs);
  -webkit-tap-highlight-color: transparent;
}
.link-btn:hover { color: var(--color-text); }
.link-btn:focus-visible {
  outline: 2px solid var(--color-primary);
  outline-offset: 2px;
}

/* --- Progress --- */
.survey-header { padding: var(--sp-md) var(--sp-md) var(--sp-sm); }

.progress-text {
  font-size: .82rem;
  font-weight: 600;
  color: var(--color-text-secondary);
  margin-bottom: 6px;
}

.progress-bar {
  width: 100%;
  height: 5px;
  background: var(--color-progress-bg);
  border-radius: 3px;
  overflow: hidden;
}

.progress-fill {
  height: 100%;
  background: var(--color-primary);
  border-radius: 3px;
  transition: width .3s ease;
  width: 20%;
}

/* --- Question Area --- */
.question-area {
  flex: 1;
  padding: var(--sp-lg) var(--sp-md) var(--sp-sm);
}

.question-label {
  font-size: 1.02rem;
  font-weight: 600;
  margin-bottom: var(--sp-lg);
  display: block;
  line-height: 1.45;
  text-align: left;
}

.required-mark {
  color: var(--color-error);
  margin-left: 2px;
}

.question-note {
  display: block;
  font-size: .78rem;
  font-weight: 400;
  color: var(--color-text-secondary);
  margin-top: 4px;
}

/* --- Option Buttons --- */
.options-group {
  display: flex;
  flex-direction: column;
  gap: var(--sp-sm);
}

.option-btn {
  display: flex;
  align-items: center;
  width: 100%;
  font-family: inherit;
  font-size: .93rem;
  background: var(--color-surface);
  border: 1.5px solid var(--color-border);
  border-radius: var(--radius-xs);
  padding: 12px var(--sp-md);
  cursor: pointer;
  min-height: 48px;
  text-align: left;
  transition: border-color var(--tr), background var(--tr);
  -webkit-tap-highlight-color: transparent;
}
.option-btn:hover { border-color: var(--color-primary); }
.option-btn:focus-visible {
  outline: 3px solid var(--color-primary);
  outline-offset: 2px;
}
.option-btn[aria-pressed="true"] {
  border-color: var(--color-primary);
  background: var(--color-primary-light);
  font-weight: 600;
}

/* --- Rating Buttons --- */
.rating-group {
  display: flex;
  gap: var(--sp-sm);
}

.rating-btn {
  width: 56px;
  height: 56px;
  border-radius: var(--radius-sm);
  border: 1.5px solid var(--color-border);
  background: var(--color-surface);
  font-family: inherit;
  font-size: 1.1rem;
  font-weight: 600;
  cursor: pointer;
  transition: border-color var(--tr), background var(--tr);
  -webkit-tap-highlight-color: transparent;
}
.rating-btn:hover { border-color: var(--color-primary); }
.rating-btn:focus-visible {
  outline: 3px solid var(--color-primary);
  outline-offset: 2px;
}
.rating-btn[aria-pressed="true"] {
  border-color: var(--color-primary);
  background: var(--color-primary);
  color: var(--color-primary-text);
}

.rating-labels {
  display: flex;
  justify-content: space-between;
  width: 100%;
  max-width: calc(5 * 56px + 4 * 8px);
  font-size: .72rem;
  color: var(--color-text-secondary);
  margin-top: var(--sp-xs);
}

/* --- Text Inputs --- */
.input-text,
.input-textarea {
  width: 100%;
  font-family: inherit;
  font-size: .95rem;
  border: 1.5px solid var(--color-border);
  border-radius: var(--radius-xs);
  padding: 11px var(--sp-md);
  background: var(--color-surface);
  color: var(--color-text);
  transition: border-color var(--tr);
  -webkit-tap-highlight-color: transparent;
}
.input-text:focus,
.input-textarea:focus {
  outline: none;
  border-color: var(--color-border-focus);
  box-shadow: 0 0 0 3px rgba(80,70,229,.12);
}

.input-textarea { resize: vertical; min-height: 100px; }

.char-counter {
  text-align: right;
  font-size: .78rem;
  color: var(--color-text-secondary);
  margin-top: var(--sp-xs);
}
.char-counter.near-limit { color: var(--color-error); }

/* --- Error --- */
.error-msg {
  color: var(--color-error);
  font-size: .82rem;
  min-height: 1.2em;
  padding: 0 var(--sp-md) var(--sp-xs);
}

/* --- Bottom Nav (sticky) --- */
.bottom-nav {
  display: flex;
  align-items: center;
  gap: var(--sp-sm);
  padding: var(--sp-md);
  position: sticky;
  bottom: 0;
  background: var(--color-surface);
  border-top: 1px solid var(--color-progress-bg);
  margin-top: auto;
}
.bottom-nav .btn-secondary { flex: 0 0 auto; }
.bottom-nav .btn-primary { flex: 1; }
.skip-btn { flex: 0 0 auto; margin-left: auto; }
.bottom-nav .btn[hidden],
.bottom-nav .link-btn[hidden] { display: none; }

/* --- Offer Panel --- */
.offer-panel {
  width: 100%;
  text-align: left;
  background: linear-gradient(135deg, #f5f3ff 0%, #eef6ff 100%);
  border: 1.5px solid var(--color-primary);
  border-radius: var(--radius-sm);
  padding: var(--sp-md);
}

.offer-title {
  font-size: .88rem;
  font-weight: 700;
  color: var(--color-primary);
  margin-bottom: var(--sp-sm);
  display: flex;
  align-items: center;
  gap: 6px;
}

.offer-list {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 10px;
  margin-bottom: var(--sp-sm);
}

.offer-item {
  display: flex;
  align-items: flex-start;
  gap: 8px;
  font-size: .88rem;
  line-height: 1.45;
}
.offer-item svg { flex-shrink: 0; margin-top: 2px; }

.offer-extra {
  font-size: .85rem;
  padding: var(--sp-sm) 10px;
  background: var(--color-surface);
  border-radius: var(--radius-xs);
  margin-bottom: 6px;
  line-height: 1.45;
}

.offer-nudge {
  font-size: .82rem;
  color: var(--color-text-secondary);
  font-style: italic;
  margin-top: var(--sp-sm);
}

/* --- Confetti Canvas --- */
#confetti-canvas {
  position: fixed;
  inset: 0;
  width: 100%;
  height: 100%;
  pointer-events: none;
  z-index: 10;
}

/* --- Static Celebration --- */
.static-celebration { padding-top: var(--sp-lg); text-align: center; }
.static-celebration[hidden] { display: none; }

/* --- Reduced Motion --- */
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    transition-duration: .01ms !important;
    animation-duration: .01ms !important;
  }
  .progress-fill { transition: none; }
}