/* ══════════════════════════════════════════════════
   Luminwell — Journal PIN Screen
   Pure CSS · no JavaScript
══════════════════════════════════════════════════ */

:root {
  --sb-bg:    #175d92;
  --sb-deep:  #134a75;
  --teal:     #2d9676;
  --teal-pale:#eaf5f1;
  --text:     #0c1929;
  --muted:    #64748b;
  --soft:     #94a3b8;
  --border:   rgba(12,25,41,.10);
  --page-bg:  #f8f9fb;
  --surface:  #ffffff;
  --font:     "DM Sans", system-ui, -apple-system, sans-serif;
}

*, *::before, *::after { box-sizing: border-box; }
html, body {
  margin: 0; height: 100%; min-height: 100dvh;
  font-family: var(--font); font-size: 14px;
  color: var(--text); -webkit-font-smoothing: antialiased;
  background: var(--page-bg);
}
a { color: inherit; text-decoration: none; }
p, h1, h2, h3 { margin: 0; }
button { font-family: var(--font); }

/* ── Page layout: left brand panel + right form panel ── */
.pin-page {
  display: grid;
  grid-template-columns: 1fr 1fr;
  min-height: 100dvh;
}

/* ════════════════════════════════════════════════
   LEFT — Brand panel
════════════════════════════════════════════════ */
.pin-brand-panel {
  background:
    radial-gradient(ellipse at 20% 15%, rgba(255,255,255,.08) 0%, transparent 50%),
    radial-gradient(ellipse at 80% 85%, rgba(45,150,118,.3) 0%, transparent 55%),
    linear-gradient(145deg, #0b2e50 0%, var(--sb-bg) 55%, #1d6e55 100%);
  color: #fff;
  display: flex; flex-direction: column;
  padding: 40px 48px;
  position: relative; overflow: hidden;
}

/* Decorative rings */
.pin-brand-panel::before,
.pin-brand-panel::after {
  content: '';
  position: absolute; border-radius: 50%;
  border: 1px solid rgba(255,255,255,.06);
  pointer-events: none;
}
.pin-brand-panel::before {
  width: 520px; height: 520px;
  bottom: -180px; left: -120px;
}
.pin-brand-panel::after {
  width: 320px; height: 320px;
  top: -100px; right: -100px;
}

.pin-brand-panel__logo {
  display: flex; align-items: center; gap: 10px; margin-bottom: auto;
}
.pin-brand-panel__logo img {
  width: 34px; height: 34px; border-radius: 8px; object-fit: contain;
}
.pin-brand-panel__logo span {
  font-size: 11px; font-weight: 800; letter-spacing: .2em; opacity: .9;
}

/* Central illustration area */
.pin-brand-panel__centre {
  flex: 1; display: flex; flex-direction: column;
  justify-content: center; gap: 24px; padding: 40px 0;
}

.pin-brand-panel__icon-wrap {
  display: flex; align-items: center; justify-content: flex-start;
}
.pin-brand-panel__icon {
  width: 80px; height: 80px; border-radius: 22px;
  background: rgba(255,255,255,.14);
  backdrop-filter: blur(8px);
  border: 1px solid rgba(255,255,255,.18);
  display: flex; align-items: center; justify-content: center;
  box-shadow: 0 8px 32px rgba(0,0,0,.2);
}
.pin-brand-panel__icon svg { width: 36px; height: 36px; }

.pin-brand-panel__tagline {
  font-size: 32px; font-weight: 800; letter-spacing: -0.04em;
  line-height: 1.18;
}
.pin-brand-panel__tagline span {
  opacity: .55; font-weight: 400; font-style: italic;
}

.pin-brand-panel__desc {
  font-size: 14px; line-height: 1.7; opacity: .65;
  max-width: 340px;
}

/* Feature pills */
.pin-features {
  display: flex; flex-direction: column; gap: 10px;
}
.pin-feature {
  display: flex; align-items: center; gap: 10px;
  font-size: 13px; font-weight: 600; opacity: .82;
}
.pin-feature__dot {
  width: 28px; height: 28px; border-radius: 8px;
  background: rgba(255,255,255,.12);
  border: 1px solid rgba(255,255,255,.14);
  display: flex; align-items: center; justify-content: center; flex-shrink: 0;
}
.pin-feature__dot svg { width: 13px; height: 13px; }

/* Footer */
.pin-brand-panel__foot {
  font-size: 11px; opacity: .4;
}

/* ════════════════════════════════════════════════
   RIGHT — Form panel
════════════════════════════════════════════════ */
.pin-form-panel {
  background: var(--surface);
  display: flex; align-items: center; justify-content: center;
  padding: 40px 32px;
}

.pin-form-inner {
  width: 100%; max-width: 380px;
  display: flex; flex-direction: column; align-items: center; gap: 0;
  animation: pin-in .4s cubic-bezier(.34,1.4,.64,1) both;
}

@keyframes pin-in {
  from { opacity: 0; transform: translateY(16px); }
  to   { opacity: 1; transform: translateY(0); }
}

/* Lock icon */
.pin-lock-wrap {
  margin-bottom: 22px;
}
.pin-lock-ring {
  width: 76px; height: 76px; border-radius: 50%;
  background: linear-gradient(135deg, var(--sb-deep), var(--sb-bg));
  display: flex; align-items: center; justify-content: center;
  color: #fff;
  box-shadow:
    0 0 0 0 rgba(23,93,146,.45),
    0 8px 28px rgba(23,93,146,.3);
  animation: lw-pulse 2.4s ease-in-out infinite;
}
.pin-lock-ring svg { width: 32px; height: 32px; }

@keyframes lw-pulse {
  0%   { box-shadow: 0 0 0 0   rgba(23,93,146,.45), 0 8px 28px rgba(23,93,146,.3); }
  60%  { box-shadow: 0 0 0 16px rgba(23,93,146,.0), 0 8px 28px rgba(23,93,146,.25); }
  100% { box-shadow: 0 0 0 0   rgba(23,93,146,.0),  0 8px 28px rgba(23,93,146,.3); }
}

/* Heading */
.pin-title {
  font-size: 22px; font-weight: 800; letter-spacing: -0.035em;
  color: var(--text); margin-bottom: 8px; text-align: center;
}
.pin-sub {
  font-size: 13px; color: var(--muted); line-height: 1.65;
  text-align: center; max-width: 300px; margin: 0 auto 28px;
}

/* 4 PIN boxes */
.pin-inputs {
  display: flex; gap: 12px; justify-content: center;
  margin-bottom: 8px;
}
.pin-input {
  width: 60px; height: 68px;
  border-radius: 14px;
  border: 2px solid var(--border);
  background: var(--page-bg);
  font-size: 26px; font-weight: 800;
  text-align: center; color: var(--text);
  font-family: var(--font);
  outline: none; appearance: none; -moz-appearance: textfield;
  transition: border-color .15s, box-shadow .15s, background .15s;
  caret-color: var(--sb-bg);
  letter-spacing: .05em;
}
.pin-input::-webkit-outer-spin-button,
.pin-input::-webkit-inner-spin-button { -webkit-appearance: none; margin: 0; }
.pin-input:focus {
  border-color: var(--sb-bg);
  background: rgba(23,93,146,.04);
  box-shadow: 0 0 0 4px rgba(23,93,146,.14);
}
.pin-input:not(:placeholder-shown) {
  border-color: var(--teal);
  background: var(--teal-pale);
}

.pin-hint {
  font-size: 11px; font-weight: 600; color: var(--soft);
  text-align: center; margin: 0 0 24px; min-height: 16px;
}

/* Number pad */
.pin-numpad {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 8px; width: 100%; margin-bottom: 18px;
}
.pin-key {
  display: flex; flex-direction: column;
  align-items: center; justify-content: center;
  height: 60px; border-radius: 12px;
  border: 1.5px solid var(--border);
  background: var(--page-bg);
  cursor: pointer; transition: all .12s; user-select: none;
  gap: 0;
}
.pin-key:hover  { background: rgba(23,93,146,.05); border-color: rgba(23,93,146,.25); transform: translateY(-1px); box-shadow: 0 3px 10px rgba(12,25,41,.09); }
.pin-key:active { transform: translateY(0) scale(.97); }
.pin-key--wide  { grid-column: span 1; }
.pin-key__num   { font-size: 20px; font-weight: 700; color: var(--text); line-height: 1; }
.pin-key__alpha { font-size: 8px; font-weight: 700; letter-spacing: .12em; color: var(--soft); margin-top: 2px; }
.pin-key--action { background: transparent; border-color: transparent; }
.pin-key--action:hover { background: rgba(12,25,41,.05); border-color: var(--border); }
.pin-key--action svg { width: 20px; height: 20px; color: var(--text); }

/* Unlock button (navigates to journal.html) */
.btn-pin-unlock {
  display: flex; align-items: center; justify-content: center; gap: 8px;
  width: 100%; padding: 15px 20px; border-radius: 14px;
  background: linear-gradient(135deg, var(--sb-deep), var(--sb-bg));
  color: #fff; font-size: 15px; font-weight: 700;
  font-family: var(--font); cursor: pointer;
  border: none; text-decoration: none;
  box-shadow: 0 4px 18px rgba(23,93,146,.38);
  transition: opacity .14s, transform .12s, box-shadow .14s;
  margin-bottom: 10px;
}
.btn-pin-unlock:hover  { opacity: .92; transform: translateY(-1px); box-shadow: 0 6px 24px rgba(23,93,146,.45); }
.btn-pin-unlock:active { transform: translateY(0); }
.btn-pin-unlock svg { width: 17px; height: 17px; }

/* Biometric */
.btn-pin-bio {
  display: flex; align-items: center; justify-content: center; gap: 8px;
  width: 100%; padding: 12px 20px; border-radius: 12px;
  background: transparent; border: 1.5px solid var(--border);
  color: var(--muted); font-size: 13px; font-weight: 600;
  font-family: var(--font); cursor: pointer;
  transition: all .14s; margin-bottom: 20px;
}
.btn-pin-bio:hover { background: var(--page-bg); border-color: var(--sb-bg); color: var(--sb-bg); }
.btn-pin-bio svg { width: 16px; height: 16px; }

/* Footer links */
.pin-links {
  display: flex; align-items: center; gap: 10px; margin-bottom: 20px;
}
.pin-links__item {
  font-size: 12px; font-weight: 600; color: var(--sb-bg);
  text-decoration: none; transition: opacity .14s;
}
.pin-links__item:hover { opacity: .65; }
.pin-links__sep { color: var(--soft); font-size: 12px; }

/* Privacy note */
.pin-privacy {
  display: flex; align-items: center; gap: 8px;
  padding: 10px 14px; border-radius: 10px;
  background: var(--teal-pale); border: 1px solid rgba(45,150,118,.18);
  font-size: 11px; font-weight: 600; color: var(--teal);
  width: 100%; text-align: left;
}
.pin-privacy svg { width: 14px; height: 14px; flex-shrink: 0; }

/* ── Responsive: stack on small screens ── */
@media (max-width: 780px) {
  .pin-page { grid-template-columns: 1fr; }
  .pin-brand-panel { display: none; }
  .pin-form-panel { padding: 28px 20px; align-items: flex-start; padding-top: 48px; }
}