/* ==========================================================
   ITtest — CERTIFICATES (certificates.css)
   Premium light-paper sertifikat dizayni.
   Global design system: PRIMARY blue #2563EB / SECONDARY cyan #06B6D4 /
   REWARD gold #D4A017 / SUCCESS green #10B981 / navy text.
   Certificate HAR DOIM light/print-friendly (dark mode ta'sir qilmaydi).
   ========================================================== */

/* ---------- OVERLAY (viewer + verify) ---------- */
.certv-overlay {
  position: fixed;
  inset: 0;
  z-index: 9999;
  display: none;
  background: rgba(7, 10, 19, .82);
  -webkit-backdrop-filter: blur(10px);
  backdrop-filter: blur(10px);
}
.certv-overlay.open { display: flex; flex-direction: column; }
.certv-topbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  padding: 12px 20px;
  flex: 0 0 auto;
}
.certv-actions { display: flex; gap: 8px; flex-wrap: wrap; }
.certv-scroll {
  flex: 1 1 auto;
  overflow-y: auto;
  padding: 16px 16px 48px;
  display: flex;
  justify-content: center;
  align-items: flex-start;
  -webkit-overflow-scrolling: touch;
}
.certv-body { width: 100%; display: flex; justify-content: center; }

body.cert-modal-open { overflow: hidden; }

/* ---------- NAME STEP (birinchi martalik ism yig'ish) ---------- */
.cert-name-step {
  margin: auto;
  width: 100%;
  max-width: 480px;
  background: #fff;
  border-radius: 20px;
  padding: 36px 28px;
  text-align: center;
  box-shadow: 0 24px 64px rgba(2, 8, 23, .45);
  color: #0f2a52;
}
.cert-name-step h2 { font-size: 20px; font-weight: 800; margin: 10px 0 6px; color: #0f2a52; }
.cert-name-step .muted { color: #5a6b85; font-size: 14px; }
.cert-name-emoji { font-size: 44px; line-height: 1; }
.cert-name-step form { margin-top: 18px; text-align: left; }
.cert-name-step .input {
  width: 100%;
  border: 2px solid #dbe7fb;
  border-radius: 12px;
  padding: 13px 14px;
  font-size: 15px;
  background: #f7faff;
  color: #0f2a52;
  outline: none;
  transition: border-color .2s ease, box-shadow .2s ease;
}
.cert-name-step .input:focus {
  border-color: #2563eb;
  box-shadow: 0 0 0 4px rgba(37, 99, 235, .12);
}
.cert-name-warn { min-height: 20px; color: #dc2626; font-size: 12.5px; margin: 6px 2px 8px; }
.cert-name-submit { width: 100%; justify-content: center; }
.cert-name-skip { width: 100%; justify-content: center; margin-top: 8px; }

/* ---------- CERTIFICATE PAPER (A4 landscape-like) ---------- */
.cert-paper {
  position: relative;
  width: min(1100px, 100%);
  min-height: 720px;
  background:
    radial-gradient(1200px 400px at 50% -8%, rgba(37, 99, 235, .06), transparent 60%),
    radial-gradient(800px 300px at 100% 100%, rgba(6, 182, 212, .07), transparent 55%),
    linear-gradient(180deg, #ffffff, #f8fbff);
  border-radius: 18px;
  padding: 52px 64px 40px;
  color: #0f2a52;
  box-shadow: 0 30px 80px rgba(2, 8, 23, .5);
  display: flex;
  flex-direction: column;
  text-align: center;
  overflow: hidden;
  print-color-adjust: exact;
  -webkit-print-color-adjust: exact;
}
/* ikki qatlamli ramka: ko'k + oltin */
.cert-border {
  position: absolute;
  inset: 12px;
  border: 2px solid rgba(37, 99, 235, .35);
  border-radius: 12px;
  pointer-events: none;
}
.cert-border::after {
  content: '';
  position: absolute;
  inset: 6px;
  border: 1.5px solid rgba(212, 160, 23, .55);
  border-radius: 8px;
}
.cert-corner {
  position: absolute;
  width: 34px;
  height: 34px;
  pointer-events: none;
  border-color: #d4a017;
  border-style: solid;
  border-width: 0;
  opacity: .9;
}
.cert-corner--tl { top: 6px; left: 6px; border-top-width: 4px; border-left-width: 4px; border-top-left-radius: 8px; }
.cert-corner--tr { top: 6px; right: 6px; border-top-width: 4px; border-right-width: 4px; border-top-right-radius: 8px; }
.cert-corner--bl { bottom: 6px; left: 6px; border-bottom-width: 4px; border-left-width: 4px; border-bottom-left-radius: 8px; }
.cert-corner--br { bottom: 6px; right: 6px; border-bottom-width: 4px; border-right-width: 4px; border-bottom-right-radius: 8px; }

.cert-preview-badge {
  position: absolute;
  top: 22px;
  right: 22px;
  background: linear-gradient(135deg, #06b6d4, #2563eb);
  color: #fff;
  font-size: 10.5px;
  font-weight: 800;
  letter-spacing: .08em;
  padding: 6px 12px;
  border-radius: 999px;
  z-index: 2;
}

/* ---------- HEADER ---------- */
.cert-head { display: flex; flex-direction: column; align-items: center; gap: 4px; }
.cert-logo { display: flex; align-items: center; gap: 10px; font-size: 26px; font-weight: 800; color: #0f2a52; }
.cert-logo-ico { font-size: 30px; }
.cert-logo-text b { color: #2563eb; }
.cert-tagline {
  font-size: 12.5px;
  font-weight: 600;
  letter-spacing: .14em;
  text-transform: uppercase;
  color: #06b6d4;
}
.cert-deco { width: 150px; height: 26px; margin-top: 6px; }

/* ---------- ASOSIY MATN ---------- */
.cert-title {
  margin: 26px 0 6px;
  font-size: clamp(30px, 4.6vw, 44px);
  font-weight: 900;
  letter-spacing: .22em;
  background: linear-gradient(120deg, #2563eb 10%, #06b6d4 55%, #d4a017 100%);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}
.cert-sub { font-size: 15px; color: #5a6b85; }
.cert-name {
  font-size: clamp(28px, 4.4vw, 46px);
  font-weight: 900;
  text-transform: uppercase;
  letter-spacing: .06em;
  color: #0f2a52;
  margin: 14px auto 10px;
  padding-bottom: 12px;
  max-width: 86%;
  border-bottom: 2px solid rgba(37, 99, 235, .25);
  line-height: 1.15;
  overflow-wrap: anywhere;
}
.cert-body { max-width: 72%; margin: 0 auto; font-size: 15.5px; line-height: 1.65; color: #33415c; }
.cert-body strong { color: #2563eb; }

/* ---------- STATS ---------- */
.cert-stats {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 12px;
  max-width: 86%;
  margin: 28px auto 0;
}
.cert-stat {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 2px;
  background: rgba(37, 99, 235, .055);
  border: 1px solid rgba(37, 99, 235, .14);
  border-radius: 12px;
  padding: 12px 8px;
}
.cert-stat-ico { font-size: 18px; }
.cert-stat-lbl { font-size: 10.5px; font-weight: 700; letter-spacing: .1em; text-transform: uppercase; color: #5a6b85; }
.cert-stat-val { font-size: 13.5px; font-weight: 800; color: #0f2a52; text-align: center; }

/* ---------- FOOTER: sana / QR / ID ---------- */
.cert-foot {
  margin-top: auto;
  padding-top: 26px;
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  gap: 18px;
}
.cert-foot-col { display: flex; flex-direction: column; gap: 3px; text-align: left; min-width: 150px; }
.cert-foot-id { text-align: right; align-items: flex-end; }
.cert-foot-lbl { font-size: 10.5px; font-weight: 700; letter-spacing: .1em; text-transform: uppercase; color: #5a6b85; }
.cert-foot-val { font-size: 14.5px; font-weight: 800; color: #0f2a52; }
.cert-id-code { font-family: ui-monospace, 'Cascadia Mono', Consolas, monospace; letter-spacing: .04em; }
.cert-foot-qr { display: flex; flex-direction: column; align-items: center; gap: 4px; }
.cert-foot-qr svg { width: 92px; height: 92px; background: #fff; border: 1px solid rgba(37, 99, 235, .25); border-radius: 8px; padding: 5px; }
.cert-qr-cap { font-size: 10px; color: #5a6b85; }

/* ---------- REVEAL ANIMATION (soft, ~1s, reduced-motion) ---------- */
@keyframes certReveal {
  from { opacity: 0; transform: scale(.955) translateY(16px); }
  to { opacity: 1; transform: scale(1) translateY(0); }
}
@keyframes certShimmer {
  from { transform: translateX(-130%) skewX(-18deg); }
  to { transform: translateX(230%) skewX(-18deg); }
}
.cert-reveal { animation: certReveal .9s cubic-bezier(.16, 1, .3, 1) both; }
.cert-paper::before {
  content: '';
  position: absolute;
  top: 0;
  bottom: 0;
  left: 0;
  width: 34%;
  background: linear-gradient(100deg, transparent, rgba(37, 99, 235, .08), transparent);
  animation: certShimmer 1.1s ease .15s both;
  pointer-events: none;
}
@media (prefers-reduced-motion: reduce) {
  .cert-reveal { animation: none; }
  .cert-paper::before { display: none; }
}

/* ---------- VERIFY CARD ---------- */
.certv-verify .certv-body { align-items: flex-start; }
.verify-card {
  width: 100%;
  max-width: 620px;
  background: #fff;
  border-radius: 18px;
  padding: 30px 26px;
  margin: 8vh auto 0;
  color: #0f2a52;
  box-shadow: 0 24px 64px rgba(2, 8, 23, .45);
  text-align: center;
}
.verify-hero { display: flex; flex-direction: column; align-items: center; gap: 6px; }
.verify-emoji { font-size: 44px; line-height: 1; }
.verify-hero h2 { font-size: 21px; font-weight: 800; }
.verify-hero p { color: #5a6b85; font-size: 14px; }
.verify-status-pill {
  display: inline-block;
  background: rgba(16, 185, 129, .12);
  color: #059669;
  border: 1px solid rgba(16, 185, 129, .4);
  font-weight: 800;
  font-size: 12px;
  letter-spacing: .06em;
  padding: 5px 14px;
  border-radius: 999px;
}
.verify-fail .verify-emoji { filter: none; }
.verify-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 10px;
  margin: 20px 0 16px;
  text-align: left;
}
.verify-grid > div {
  background: #f7faff;
  border: 1px solid #e3ecfb;
  border-radius: 10px;
  padding: 10px 12px;
}
.verify-grid .verify-wide { grid-column: 1 / -1; }
.verify-grid dt { font-size: 10.5px; font-weight: 700; letter-spacing: .08em; text-transform: uppercase; color: #5a6b85; }
.verify-grid dd { margin: 2px 0 0; font-size: 14.5px; font-weight: 800; color: #0f2a52; overflow-wrap: anywhere; }
.verify-search { display: flex; gap: 8px; margin: 6px 0 16px; }
.verify-search .input {
  flex: 1;
  border: 2px solid #dbe7fb;
  border-radius: 10px;
  padding: 11px 12px;
  font-size: 13.5px;
  background: #f7faff;
  color: #0f2a52;
  outline: none;
  font-family: ui-monospace, Consolas, monospace;
}
.verify-search .input:focus { border-color: #2563eb; }

/* ---------- SERTIFIKATLAR PAGE (list) ---------- */
.certp-head h3 { font-size: 22px; font-weight: 800; }
.certp-head p { color: var(--muted, #64748b); margin-top: 2px; }
.certp-summary {
  display: flex;
  align-items: center;
  gap: 12px;
  flex-wrap: wrap;
  margin: 16px 0;
}
.certp-stat {
  display: flex;
  align-items: baseline;
  gap: 8px;
  background: var(--card, rgba(255, 255, 255, .06));
  border: 1px solid var(--border, rgba(255, 255, 255, .08));
  border-radius: 12px;
  padding: 10px 16px;
}
.certp-stat-num { font-size: 22px; font-weight: 900; color: var(--primary, #6366f1); }
.certp-stat-lbl { font-size: 13px; color: var(--muted, #64748b); font-weight: 600; }
.certp-preview-note {
  font-size: 12px;
  color: var(--secondary, #06b6d4);
  background: rgba(6, 182, 212, .1);
  border: 1px dashed rgba(6, 182, 212, .45);
  padding: 7px 12px;
  border-radius: 999px;
}
.certp-controls {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  flex-wrap: wrap;
  margin-bottom: 14px;
}
.certp-controls .search-box { flex: 1 1 260px; max-width: 380px; }
.certp-filters { flex-wrap: wrap; }
.certp-namebar { margin-bottom: 14px; }
.certp-namebar-inner {
  display: flex;
  align-items: center;
  gap: 10px;
  flex-wrap: wrap;
  background: var(--card, rgba(255, 255, 255, .06));
  border: 1px solid var(--border, rgba(255, 255, 255, .08));
  border-radius: 12px;
  padding: 10px 14px;
  font-size: 14px;
}
.certp-namebar-lbl { color: var(--muted, #64748b); font-size: 12.5px; }

.certp-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(290px, 1fr));
  gap: 14px;
}
.certp-card {
  display: flex;
  flex-direction: column;
  gap: 8px;
  background: var(--card, rgba(255, 255, 255, .06));
  border: 1px solid var(--border, rgba(255, 255, 255, .08));
  border-radius: 16px;
  padding: 16px;
  transition: transform .18s ease, border-color .18s ease, box-shadow .18s ease;
}
.certp-card:hover {
  transform: translateY(-2px);
  border-color: rgba(99, 102, 241, .45);
  box-shadow: 0 8px 28px rgba(0, 0, 0, .18);
}
.certp-card.locked { opacity: .62; }
.certp-card-top { display: flex; align-items: center; gap: 9px; flex-wrap: wrap; }
.certp-course-ico {
  width: 34px;
  height: 34px;
  border-radius: 10px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-size: 17px;
  flex: 0 0 auto;
}
.certp-course-name { font-weight: 800; font-size: 15px; }
.cert-status-badge {
  margin-left: auto;
  font-size: 10.5px;
  font-weight: 800;
  padding: 4px 10px;
  border-radius: 999px;
  letter-spacing: .03em;
}
.cert-status-badge.earned { background: rgba(16, 185, 129, .14); color: #10b981; border: 1px solid rgba(16, 185, 129, .4); }
.cert-status-badge.preview { background: rgba(6, 182, 212, .12); color: #06b6d4; border: 1px solid rgba(6, 182, 212, .4); }
.cert-status-badge.locked { background: rgba(100, 116, 139, .16); color: #94a3b8; border: 1px solid rgba(100, 116, 139, .35); }
.certp-lesson-num { font-size: 12px; font-weight: 700; color: var(--primary, #6366f1); text-transform: uppercase; letter-spacing: .07em; }
.certp-lesson-title { font-size: 15px; font-weight: 700; line-height: 1.35; }
.certp-cert-id {
  font-family: ui-monospace, Consolas, monospace;
  font-size: 11px;
  color: var(--muted, #64748b);
  letter-spacing: .03em;
}
.certp-card-foot { margin-top: auto; padding-top: 6px; }
.certp-card-foot .btn { width: 100%; justify-content: center; }
.certp-empty {
  grid-column: 1 / -1;
  text-align: center;
  color: var(--muted, #64748b);
  padding: 40px 0;
}

/* ---------- KURS PROGRESS BAR (per-course kartalar) ---------- */
.certp-progress { display: flex; flex-direction: column; gap: 6px; }
.certp-progress-track {
  height: 8px;
  border-radius: 999px;
  background: rgba(148, 163, 184, .22);
  overflow: hidden;
}
.certp-progress-bar {
  display: block;
  height: 100%;
  border-radius: 999px;
  background: linear-gradient(90deg, #2563eb, #06b6d4);
  transition: width .35s ease;
}
.certp-card.locked .certp-progress-bar { background: linear-gradient(90deg, #64748b, #94a3b8); }
.certp-card.earned .certp-progress-bar { background: linear-gradient(90deg, #10b981, #06b6d4); }
.certp-progress-meta {
  display: flex;
  align-items: center;
  justify-content: space-between;
  font-size: 11.5px;
  font-weight: 700;
  color: var(--muted, #64748b);
}

/* Profile summary card */
.profile-cert-card { margin-top: 14px; }

/* ---------- RESPONSIVE (mobile 320–430, tablet 768–1024) ---------- */
@media (max-width: 900px) {
  .cert-paper { padding: 44px 34px 30px; min-height: 640px; }
  .cert-body { max-width: 90%; }
}
@media (max-width: 640px) {
  .certv-scroll { padding: 10px 10px 36px; }
  .certv-topbar { flex-wrap: wrap; }
  .certv-actions { width: 100%; }
  .certv-actions .btn { flex: 1; justify-content: center; }
  .cert-paper { padding: 46px 22px 26px; border-radius: 14px; }
  .cert-name { font-size: clamp(24px, 7.4vw, 34px); }
  .cert-body { font-size: 14px; max-width: 100%; }
  .cert-stats { grid-template-columns: repeat(2, 1fr); max-width: 100%; gap: 8px; }
  .cert-foot { flex-direction: column; align-items: center; text-align: center; gap: 14px; }
  .cert-foot-col, .cert-foot-id { align-items: center; text-align: center; min-width: 0; }
  .verify-grid { grid-template-columns: 1fr; }
  .verify-search { flex-direction: column; }
  .certp-grid { grid-template-columns: 1fr; }
}
@media (min-width: 641px) and (max-width: 1024px) {
  .cert-paper { min-height: 680px; }
  .cert-stats { max-width: 96%; }
}

/* ---------- PRINT / PDF (faqat sertifikat chiqadi) ---------- */
@media print {
  @page { size: A4 landscape; margin: 8mm; }
  body.print-cert * { visibility: hidden !important; }
  body.print-cert #certViewerOverlay,
  body.print-cert #certViewerOverlay * { visibility: visible !important; }
  body.print-cert #certViewerOverlay {
    position: absolute;
    inset: 0;
    display: block;
    background: #fff !important;
    -webkit-backdrop-filter: none;
    backdrop-filter: none;
  }
  body.print-cert #certViewerOverlay .certv-topbar { display: none !important; }
  body.print-cert #certViewerOverlay .certv-scroll { padding: 0; overflow: visible; display: block; }
  body.print-cert .cert-paper {
    box-shadow: none !important;
    width: 100% !important;
    min-height: 0 !important;
    border-radius: 0;
    margin: 0 auto;
  }
  body.print-cert .cert-preview-badge { display: none !important; }
  body.print-cert .cert-paper::before { display: none !important; }
  body.print-cert .cert-reveal { animation: none !important; }
}