/* ── Google Fonts ─────────────────────────────────────────────── */
@import url('https://fonts.googleapis.com/css2?family=Orbitron:wght@400;600;700&family=Exo+2:wght@300;400;500&display=swap');

/* ── Design tokens ────────────────────────────────────────────── */
:root {
  /* Space backgrounds */
  --bg:           #020810;
  --bg-card:      #060d1a;
  --bg-card-hover:#091220;
  --bg-input:     #07101f;
  --border:       #112240;
  --border-lit:   #1d3a6e;

  /* Star Wars palette */
  --holo-blue:    #4fc3f7;
  --holo-blue-dim:#1a6fa8;
  --gold:         #ffd700;
  --gold-dim:     #b8960a;
  --rebel-orange: #ff6d00;
  --saber-green:  #7fff7f;
  --imperial-red: #ff1744;

  /* Text */
  --text:         #cdd6f4;
  --text-muted:   #4a6a8a;

  /* Glows */
  --glow-blue:    0 0 8px #4fc3f7, 0 0 24px #4fc3f755;
  --glow-gold:    0 0 8px #ffd700, 0 0 20px #ffd70055;
  --glow-orange:  0 0 8px #ff6d00, 0 0 18px #ff6d0055;
  --glow-green:   0 0 8px #7fff7f, 0 0 20px #7fff7f44;

  /* Typography */
  --font-hud:     'Orbitron', 'Courier New', monospace;
  --font-body:    'Exo 2', system-ui, sans-serif;
  --font-mono:    'Courier New', Courier, monospace;

  --radius:       4px;
  --transition:   0.2s ease;
}

/* ── Reset ───────────────────────────────────────────────────── */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { font-size: 16px; }

body {
  background-color: var(--bg);
  color: var(--text);
  font-family: var(--font-body);
  font-weight: 300;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  /* Star field via layered radial gradients */
  background-image:
    radial-gradient(1px 1px at 10%  15%, rgba(255,255,255,0.6) 0%, transparent 100%),
    radial-gradient(1px 1px at 25%  40%, rgba(255,255,255,0.4) 0%, transparent 100%),
    radial-gradient(1px 1px at 40%  8%,  rgba(255,255,255,0.5) 0%, transparent 100%),
    radial-gradient(1px 1px at 55%  60%, rgba(255,255,255,0.3) 0%, transparent 100%),
    radial-gradient(1px 1px at 70%  25%, rgba(255,255,255,0.6) 0%, transparent 100%),
    radial-gradient(1px 1px at 80%  75%, rgba(255,255,255,0.4) 0%, transparent 100%),
    radial-gradient(1px 1px at 90%  50%, rgba(255,255,255,0.5) 0%, transparent 100%),
    radial-gradient(1px 1px at 15%  80%, rgba(255,255,255,0.3) 0%, transparent 100%),
    radial-gradient(1px 1px at 35%  90%, rgba(255,255,255,0.4) 0%, transparent 100%),
    radial-gradient(1px 1px at 62%  88%, rgba(255,255,255,0.5) 0%, transparent 100%),
    radial-gradient(1px 1px at 78%  12%, rgba(255,255,255,0.4) 0%, transparent 100%),
    radial-gradient(1px 1px at 92%  35%, rgba(255,255,255,0.6) 0%, transparent 100%),
    radial-gradient(2px 2px at 48%  30%, rgba(200,220,255,0.3) 0%, transparent 100%),
    radial-gradient(2px 2px at 72%  65%, rgba(200,220,255,0.2) 0%, transparent 100%);
  background-attachment: fixed;
}

a { color: var(--holo-blue); text-decoration: none; }
a:hover { text-shadow: var(--glow-blue); }

/* ── Header ──────────────────────────────────────────────────── */
.site-header {
  padding: 0.85rem 1.25rem;
  border-bottom: 1px solid var(--border-lit);
  display: flex;
  align-items: center;
  background: linear-gradient(180deg, #030c1c 0%, transparent 100%);
  position: relative;
}
.site-header::after {
  content: '';
  position: absolute;
  bottom: 0; left: 0; right: 0;
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--holo-blue-dim), var(--gold-dim), transparent);
  opacity: 0.6;
}

.site-logo {
  display: flex;
  align-items: center;
  gap: 0.65rem;
  color: var(--text);
}
.site-logo:hover { text-shadow: none; }

.logo-icon {
  color: var(--holo-blue);
  filter: drop-shadow(0 0 5px #4fc3f7) drop-shadow(0 0 12px #4fc3f755);
  animation: holo-pulse 3s ease-in-out infinite;
  flex-shrink: 0;
}
@keyframes holo-pulse {
  0%, 100% { opacity: 1; filter: drop-shadow(0 0 5px #4fc3f7) drop-shadow(0 0 12px #4fc3f755); }
  50%       { opacity: 0.75; filter: drop-shadow(0 0 3px #4fc3f7) drop-shadow(0 0 6px #4fc3f733); }
}

.site-nav {
  margin-left: auto;
  display: flex;
  align-items: center;
  gap: 0.25rem;
}

.nav-icon-btn {
  background: none;
  border: none;
  cursor: pointer;
  color: var(--text-muted);
  display: flex;
  align-items: center;
  justify-content: center;
  width: 36px;
  height: 36px;
  border-radius: var(--radius);
  transition: color var(--transition), filter var(--transition);
  padding: 0;
}
.nav-icon-btn svg { width: 20px; height: 20px; }
.nav-icon-btn:hover {
  color: var(--holo-blue);
  filter: drop-shadow(0 0 5px #4fc3f7);
}

.logo-text {
  font-family: var(--font-hud);
  font-size: 1rem;
  font-weight: 700;
  letter-spacing: 0.25em;
  text-transform: uppercase;
  color: var(--gold);
  text-shadow: var(--glow-gold);
}

/* ── Layout ──────────────────────────────────────────────────── */
.site-main {
  flex: 1;
  width: 100%;
  max-width: 640px;
  margin: 0 auto;
  padding: 1.75rem 1.25rem 3rem;
}

/* ── Section headings ────────────────────────────────────────── */
h1, h2 {
  font-family: var(--font-hud);
  letter-spacing: 0.15em;
  text-transform: uppercase;
}

/* ── Buttons ─────────────────────────────────────────────────── */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.4rem;
  padding: 0.75rem 1.4rem;
  border: 1px solid currentColor;
  border-radius: var(--radius);
  background: transparent;
  font-family: var(--font-hud);
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  cursor: pointer;
  transition: box-shadow var(--transition), background var(--transition), color var(--transition);
  min-height: 44px;
  color: var(--text);
  position: relative;
  overflow: hidden;
}
.btn:disabled { opacity: 0.3; cursor: not-allowed; }

/* Subtle scan-line shimmer on hover */
.btn::before {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, rgba(255,255,255,0.04) 50%, transparent 50%);
  background-size: 100% 4px;
  opacity: 0;
  transition: opacity var(--transition);
  pointer-events: none;
}
.btn:hover:not(:disabled)::before { opacity: 1; }

.btn-primary {
  color: var(--gold);
  border-color: var(--gold-dim);
}
.btn-primary:hover:not(:disabled) {
  background: rgba(255,215,0,0.07);
  box-shadow: var(--glow-gold), inset 0 0 12px rgba(255,215,0,0.04);
}

.btn-secondary {
  color: var(--holo-blue);
  border-color: var(--holo-blue-dim);
}
.btn-secondary:hover:not(:disabled) {
  background: rgba(79,195,247,0.08);
  box-shadow: var(--glow-blue);
}

.btn-full { width: 100%; }
.btn-lg { padding: 1rem 2rem; font-size: 0.85rem; }

/* ── Inputs ──────────────────────────────────────────────────── */
.field { display: flex; flex-direction: column; gap: 0.4rem; }
.field label {
  font-family: var(--font-hud);
  font-size: 0.65rem;
  letter-spacing: 0.15em;
  color: var(--text-muted);
  text-transform: uppercase;
}
.field-error { font-size: 0.75rem; color: var(--imperial-red); min-height: 1.1em; }

.input-stepper {
  display: flex;
  align-items: stretch;
  border: 1px solid var(--border-lit);
  border-radius: var(--radius);
  overflow: hidden;
  background: var(--bg-input);
}
.input-stepper input[type="number"] {
  flex: 1;
  background: transparent;
  border: none;
  color: var(--holo-blue);
  font-family: var(--font-hud);
  font-size: 1.1rem;
  font-weight: 600;
  text-align: center;
  padding: 0.6rem 0;
  -moz-appearance: textfield;
  min-height: 44px;
}
.input-stepper input[type="number"]::-webkit-outer-spin-button,
.input-stepper input[type="number"]::-webkit-inner-spin-button { -webkit-appearance: none; }
.input-stepper input[type="number"]:focus { outline: none; }
.input-stepper.invalid { border-color: var(--imperial-red); }

.stepper-btn {
  background: transparent;
  border: none;
  border-left: 1px solid var(--border);
  color: var(--text-muted);
  font-size: 1.1rem;
  padding: 0 0.9rem;
  cursor: pointer;
  font-family: var(--font-hud);
  min-width: 44px;
  min-height: 44px;
  transition: color var(--transition), background var(--transition);
}
.stepper-btn:first-child { border-left: none; border-right: 1px solid var(--border); }
.stepper-btn:hover { color: var(--holo-blue); background: rgba(79,195,247,0.06); }

/* ── Panel/card ──────────────────────────────────────────────── */
.card {
  background: var(--bg-card);
  border: 1px solid var(--border-lit);
  border-radius: var(--radius);
  padding: 1rem 1.25rem;
  position: relative;
}
/* Corner bracket accent */
.card::before, .card::after {
  content: '';
  position: absolute;
  width: 10px;
  height: 10px;
  border-color: var(--holo-blue-dim);
  border-style: solid;
  opacity: 0.5;
}
.card::before { top: -1px; left: -1px; border-width: 2px 0 0 2px; border-radius: 4px 0 0 0; }
.card::after  { bottom: -1px; right: -1px; border-width: 0 2px 2px 0; border-radius: 0 0 4px 0; }

/* ── Page: list ──────────────────────────────────────────────── */
.list-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 1.75rem;
  gap: 1rem;
  flex-wrap: wrap;
}
.list-header h1 {
  font-size: 0.75rem;
  color: var(--text-muted);
}

.roll-list { display: flex; flex-direction: column; gap: 0.65rem; }

.roll-item {
  display: block;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 0.9rem 1.1rem;
  color: var(--text);
  transition: border-color var(--transition), box-shadow var(--transition), background var(--transition);
  position: relative;
  overflow: hidden;
}
/* Left accent bar */
.roll-item::before {
  content: '';
  position: absolute;
  left: 0; top: 0; bottom: 0;
  width: 2px;
  background: var(--holo-blue-dim);
  transition: background var(--transition), box-shadow var(--transition);
}
.roll-item:hover {
  border-color: var(--border-lit);
  background: var(--bg-card-hover);
  box-shadow: 0 0 16px rgba(79,195,247,0.08);
  text-shadow: none;
}
.roll-item:hover::before {
  background: var(--holo-blue);
  box-shadow: var(--glow-blue);
}

.roll-item-meta {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  margin-bottom: 0.5rem;
  flex-wrap: wrap;
}
.roll-badge {
  font-family: var(--font-hud);
  font-size: 0.65rem;
  letter-spacing: 0.12em;
  color: var(--holo-blue);
  border: 1px solid var(--holo-blue-dim);
  border-radius: 2px;
  padding: 0.15rem 0.45rem;
  background: rgba(79,195,247,0.05);
}
.roll-date {
  font-size: 0.7rem;
  color: var(--text-muted);
  margin-left: auto;
  font-family: var(--font-hud);
  letter-spacing: 0.05em;
}
.roll-sequence {
  font-family: var(--font-mono);
  font-size: 0.95rem;
  letter-spacing: 0.15em;
  word-break: break-all;
  color: var(--text);
  opacity: 0.85;
}

.empty-state {
  text-align: center;
  padding: 3rem 1rem;
  color: var(--text-muted);
}
.empty-state p {
  margin-bottom: 1.5rem;
  font-size: 0.9rem;
  letter-spacing: 0.05em;
}

/* ── Page: new-roll ──────────────────────────────────────────── */
.new-roll-header {
  display: flex;
  align-items: center;
  gap: 1rem;
  margin-bottom: 1.75rem;
}
.new-roll-header h1 { font-size: 0.8rem; color: var(--text-muted); }
.back-link { font-size: 0.75rem; color: var(--text-muted); font-family: var(--font-hud); letter-spacing: 0.08em; }
.back-link:hover { color: var(--holo-blue); }

.config-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1rem;
  margin-bottom: 1.5rem;
}

/* Sequence display — the hologram panel */
.sequence-display {
  display: none;
  background: linear-gradient(160deg, #040e20 0%, #060d1a 100%);
  border: 1px solid var(--holo-blue-dim);
  border-radius: var(--radius);
  padding: 1.5rem 1.25rem;
  margin-bottom: 1.25rem;
  box-shadow: 0 0 20px rgba(79,195,247,0.1), inset 0 0 30px rgba(79,195,247,0.03);
  position: relative;
  overflow: hidden;
}
.sequence-display::before {
  content: '';
  position: absolute;
  inset: 0;
  background: repeating-linear-gradient(
    180deg,
    transparent 0px,
    transparent 3px,
    rgba(79,195,247,0.015) 3px,
    rgba(79,195,247,0.015) 4px
  );
  pointer-events: none;
}
.sequence-display.visible { display: block; }
.sequence-display .sequence-numbers {
  font-family: var(--font-mono);
  font-size: 1.7rem;
  letter-spacing: 0.25em;
  line-height: 1.9;
  word-break: break-all;
  color: var(--holo-blue);
  text-shadow: 0 0 10px #4fc3f7, 0 0 30px #4fc3f755;
  position: relative;
}

.roll-actions { display: flex; gap: 0.75rem; flex-wrap: wrap; margin-bottom: 1rem; }
.roll-actions .btn { flex: 1; min-width: 120px; }

.save-form { display: none; }
.save-form.visible { display: block; }

/* ── Page: roll-detail ───────────────────────────────────────── */
.detail-header {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  margin-bottom: 1.5rem;
  gap: 1rem;
  flex-wrap: wrap;
}
.detail-header-left { display: flex; flex-direction: column; gap: 0.35rem; }
.detail-id {
  font-family: var(--font-hud);
  font-size: 0.65rem;
  color: var(--text-muted);
  letter-spacing: 0.12em;
}
.detail-config {
  font-family: var(--font-hud);
  font-size: 0.9rem;
  color: var(--gold);
  text-shadow: var(--glow-gold);
  letter-spacing: 0.1em;
}
.detail-date {
  font-family: var(--font-hud);
  font-size: 0.65rem;
  color: var(--text-muted);
  letter-spacing: 0.08em;
}

/* Large sequence — the main holographic display */
.sequence-large {
  background: linear-gradient(160deg, #040e20 0%, #060d1a 100%);
  border: 1px solid var(--holo-blue-dim);
  border-radius: var(--radius);
  padding: 2rem 1.5rem;
  margin-bottom: 1.5rem;
  box-shadow: 0 0 30px rgba(79,195,247,0.12), inset 0 0 40px rgba(79,195,247,0.04);
  position: relative;
  overflow: hidden;
}
/* Scan lines */
.sequence-large::before {
  content: '';
  position: absolute;
  inset: 0;
  background: repeating-linear-gradient(
    180deg,
    transparent 0px,
    transparent 3px,
    rgba(79,195,247,0.018) 3px,
    rgba(79,195,247,0.018) 4px
  );
  pointer-events: none;
}
/* Top edge glow */
.sequence-large::after {
  content: '';
  position: absolute;
  top: 0; left: 10%; right: 10%;
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--holo-blue), transparent);
  opacity: 0.5;
}
.sequence-large .sequence-numbers {
  font-family: var(--font-mono);
  font-size: clamp(1.5rem, 5.5vw, 2.4rem);
  letter-spacing: 0.25em;
  line-height: 2;
  word-break: break-all;
  color: var(--holo-blue);
  text-shadow: 0 0 12px #4fc3f7, 0 0 35px #4fc3f755;
  position: relative;
}

.detail-actions { display: flex; gap: 0.75rem; flex-wrap: wrap; margin-bottom: 1.5rem; }
.detail-actions .btn { flex: 1; min-width: 120px; }

/* ── Share overlay ───────────────────────────────────────────── */
.share-overlay {
  display: none;
  position: fixed;
  inset: 0;
  background: rgba(2,8,16,0.88);
  z-index: 100;
  align-items: center;
  justify-content: center;
  padding: 1.5rem;
  backdrop-filter: blur(4px);
}
.share-overlay.visible { display: flex; }
.share-panel {
  background: linear-gradient(160deg, #05101f 0%, #060d1a 100%);
  border: 1px solid var(--holo-blue-dim);
  border-radius: var(--radius);
  padding: 1.75rem;
  width: 100%;
  max-width: 300px;
  box-shadow: var(--glow-blue), 0 0 60px rgba(79,195,247,0.1);
  text-align: center;
  position: relative;
}
/* Corner brackets on panel */
.share-panel::before, .share-panel::after {
  content: '';
  position: absolute;
  width: 14px; height: 14px;
  border-color: var(--holo-blue);
  border-style: solid;
}
.share-panel::before { top: -1px; left: -1px; border-width: 2px 0 0 2px; }
.share-panel::after  { bottom: -1px; right: -1px; border-width: 0 2px 2px 0; }

.share-panel h2 {
  font-size: 0.7rem;
  letter-spacing: 0.2em;
  color: var(--gold);
  text-shadow: var(--glow-gold);
  margin-bottom: 1.25rem;
}
#qr-canvas { display: flex; justify-content: center; margin-bottom: 1.25rem; }
#qr-canvas canvas, #qr-canvas img { border: 3px solid rgba(79,195,247,0.3); border-radius: 2px; }
.share-panel-actions { display: flex; gap: 0.75rem; }
.share-panel-actions .btn { flex: 1; }
.share-close {
  position: absolute;
  top: 0.6rem; right: 0.75rem;
  background: transparent;
  border: none;
  color: var(--text-muted);
  font-size: 1.2rem;
  cursor: pointer;
  padding: 0.2rem 0.4rem;
  line-height: 1;
  font-family: var(--font-hud);
  transition: color var(--transition);
}
.share-close:hover { color: var(--imperial-red); }

/* ── Toast ───────────────────────────────────────────────────── */
.toast {
  position: fixed;
  bottom: 1.5rem;
  left: 50%;
  transform: translateX(-50%);
  background: var(--bg-card);
  border: 1px solid var(--gold-dim);
  color: var(--gold);
  font-family: var(--font-hud);
  font-size: 0.7rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  padding: 0.6rem 1.3rem;
  border-radius: var(--radius);
  box-shadow: var(--glow-gold);
  z-index: 200;
  white-space: nowrap;
  animation: toast-in 0.15s ease;
}
@keyframes toast-in {
  from { opacity: 0; transform: translateX(-50%) translateY(6px); }
}

/* ── Page: not-found ─────────────────────────────────────────── */
.not-found {
  text-align: center;
  padding: 3rem 1rem;
}
.not-found h1 {
  font-size: 1rem;
  color: var(--imperial-red);
  margin-bottom: 1rem;
  text-shadow: 0 0 12px var(--imperial-red);
}
.not-found p { color: var(--text-muted); margin-bottom: 1.75rem; font-size: 0.9rem; }

/* ── Dice roll animation ─────────────────────────────────────── */
@keyframes dice-roll {
  0%   { transform: rotate(0deg)   scale(1); }
  20%  { transform: rotate(90deg)  scale(1.2); }
  45%  { transform: rotate(225deg) scale(0.9); }
  70%  { transform: rotate(315deg) scale(1.15); }
  90%  { transform: rotate(350deg) scale(1.05); }
  100% { transform: rotate(360deg) scale(1); }
}
.dice-rolling {
  animation: dice-roll 0.55s cubic-bezier(0.25, 0.46, 0.45, 0.94);
}

/* ── Icon-only buttons (mobile) ─────────────────────────────── */
.btn-svg {
  width: 22px;
  height: 22px;
  flex-shrink: 0;
}
.btn-lg .btn-svg {
  width: 26px;
  height: 26px;
}
.btn-primary .btn-svg {
  filter: drop-shadow(0 0 5px var(--gold)) drop-shadow(0 0 12px rgba(255,215,0,0.45));
}
.btn-secondary .btn-svg {
  filter: drop-shadow(0 0 5px var(--holo-blue)) drop-shadow(0 0 12px rgba(79,195,247,0.45));
}

@media (max-width: 480px) {
  .btn.btn-icon {
    padding: 0;
    width: 52px;
    height: 52px;
  }
  .btn.btn-icon .btn-label { display: none; }
  .btn.btn-full .btn-label { display: none; }
}

/* ── Utility ─────────────────────────────────────────────────── */
.sr-only { position: absolute; width: 1px; height: 1px; overflow: hidden; clip: rect(0,0,0,0); white-space: nowrap; }