/* ═══════════════════════════════════════════════════════
 *  Welcome Page — CSS
 *  Cinematic intro + Fake Jira ticket
 * ═══════════════════════════════════════════════════════ */

/* ── Theme tokens ── */
:root {
  --font-mono: "JetBrains Mono", "Fira Code", "Cascadia Code", monospace;
  --font-heading: "Space Grotesk", "Inter", system-ui, sans-serif;
  --transition-speed: 0.3s;

  /* Jira-like palette */
  --jira-blue: #2684ff;
  --jira-blue-dark: #0052cc;
  --jira-blue-bg: #deebff;
  --jira-green: #36b37e;
  --jira-yellow: #ffab00;
  --jira-red: #de350b;
  --jira-purple: #6554c0;
}

html.dark {
  --bg-0: #000000;
  --bg-1: #0a0a0a;
  --bg-2: #111111;
  --bg-3: #1a1a1a;
  --bg-4: #242424;
  --border: #2a2a2a;
  --text-0: #f8f8f2;
  --text-1: #cccccc;
  --text-2: #888888;
  --text-3: #555555;
  --accent: #50fa7b;
  --accent-dim: #2a6e3f;
  --accent-bg: #0d2818;
  --ok: #50fa7b;
  --error: #ff5555;
  --warn: #f1fa8c;
  --selection-bg: #50fa7b;
  --selection-text: #0a0a0a;

  /* Jira dark overrides */
  --jira-bg: #1a1a2e;
  --jira-surface: #16213e;
  --jira-surface-2: #1e2a4a;
  --jira-border: #2a3a5c;
  --jira-text: #e2e8f0;
  --jira-text-2: #a0aec0;
  --jira-code-bg: #0d1117;
}

/* ── Base ── */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

html {
  font-size: 16px;
  scroll-behavior: smooth;
  background: var(--bg-0);
}

body {
  font-family: var(--font-mono);
  background-color: var(--bg-0);
  color: var(--text-1);
  min-height: 100vh;
  line-height: 1.6;
  overflow-x: hidden;
}

::selection {
  background: var(--selection-bg);
  color: var(--selection-text);
}

/* ═══════════════════════════════════════════════════════
 *  PHASE 1: CINEMATIC INTRO
 * ═══════════════════════════════════════════════════════ */

.intro {
  position: fixed;
  inset: 0;
  z-index: 100;
  background: var(--bg-0);
  display: flex;
  align-items: center;
  justify-content: center;
}

.intro[hidden] {
  display: none;
}

.intro-container {
  position: relative;
  width: 100%;
  max-width: 900px;
  padding: 2rem;
  text-align: center;
  z-index: 2;
}

.intro-particles {
  position: fixed;
  inset: 0;
  z-index: 1;
  pointer-events: none;
}

.intro-content {
  position: relative;
  z-index: 10;
  min-height: 360px;
  display: flex;
  align-items: center;
  justify-content: center;
}

/* Steps */
.intro-step {
  position: absolute;
  width: 100%;
  opacity: 0;
  transform: translateY(30px);
  transition: opacity 0.6s ease, transform 0.6s ease;
  pointer-events: none;
}

.intro-step.active {
  opacity: 1;
  transform: translateY(0);
  pointer-events: auto;
}

/* Steps are hidden via opacity:0 by default, shown via .active class */

/* Eyebrow */
.intro-eyebrow {
  font-size: 0.7rem;
  color: var(--accent);
  letter-spacing: 0.15em;
  text-transform: uppercase;
  margin-bottom: 1.5rem;
  animation: fadeSlideUp 0.8s 0.3s ease both;
}

/* Title with glitch */
.intro-title {
  font-family: var(--font-heading);
  font-size: clamp(2rem, 6vw, 3.5rem);
  font-weight: 700;
  color: var(--text-0);
  line-height: 1.1;
  margin-bottom: 1.2rem;
  position: relative;
}

.intro-title.glitch {
  animation: glitch 3s infinite linear alternate-reverse;
}

.intro-title.glitch::before,
.intro-title.glitch::after {
  content: attr(data-text);
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  overflow: hidden;
}

.intro-title.glitch::before {
  color: var(--accent);
  animation: glitchTop 2s infinite linear alternate-reverse;
  clip-path: inset(0 0 65% 0);
}

.intro-title.glitch::after {
  color: var(--error);
  animation: glitchBottom 3s infinite linear alternate-reverse;
  clip-path: inset(65% 0 0 0);
}

/* Subtitle typewriter */
.intro-subtitle {
  font-size: 1rem;
  color: var(--text-2);
  animation: fadeSlideUp 0.8s 1s ease both;
}

.intro-subtitle.typewriter {
  border-right: 2px solid var(--accent);
  display: inline-block;
  animation: fadeSlideUp 0.8s 1s ease both, blink-caret 0.8s step-end infinite;
  padding-right: 4px;
}

/* Heading (for steps 2-4) */
.intro-heading {
  font-family: var(--font-heading);
  font-size: clamp(1.5rem, 4vw, 2.2rem);
  font-weight: 600;
  color: var(--text-0);
  margin-bottom: 1rem;
}

.intro-text {
  font-size: 0.85rem;
  color: var(--text-2);
  max-width: 560px;
  margin: 0 auto 1.5rem;
  line-height: 1.8;
}

.accent-text {
  color: var(--accent);
  font-weight: 700;
}

.intro-icon {
  font-size: 3rem;
  margin-bottom: 1.2rem;
  display: block;
}

.pulse-icon {
  animation: pulse 2s ease-in-out infinite;
}

/* Rules grid */
.rules-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1rem;
  margin-top: 1.5rem;
  text-align: left;
}

.rule-card {
  background: var(--bg-2);
  border: 1px solid var(--border);
  padding: 1.2rem;
  position: relative;
  transition: border-color var(--transition-speed);
}

.rule-card:hover {
  border-color: var(--accent);
}

.rule-number {
  display: block;
  font-size: 1.8rem;
  font-weight: 700;
  color: var(--accent-dim);
  margin-bottom: 0.5rem;
  font-family: var(--font-heading);
}

.rule-card p {
  font-size: 0.72rem;
  color: var(--text-2);
  line-height: 1.7;
}

.rule-card strong {
  color: var(--text-0);
}

/* Accept button */
.accept-btn {
  position: relative;
  display: inline-block;
  padding: 1rem 2.5rem;
  margin-top: 1.5rem;
  background: transparent;
  color: var(--accent);
  border: 2px solid var(--accent);
  font-family: var(--font-mono);
  font-size: 0.85rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  cursor: pointer;
  overflow: hidden;
  transition: all var(--transition-speed);
}

.accept-btn:hover {
  background: var(--accent);
  color: var(--bg-0);
  box-shadow: 0 0 30px var(--accent), 0 0 60px rgba(80, 250, 123, 0.3);
}

.accept-btn-glow {
  position: absolute;
  inset: -2px;
  background: linear-gradient(90deg, transparent, var(--accent), transparent);
  opacity: 0;
  transition: opacity var(--transition-speed);
}

.accept-btn:hover .accept-btn-glow {
  opacity: 0.15;
}

/* Progress dots */
.intro-progress {
  display: flex;
  gap: 0.6rem;
  justify-content: center;
  margin-top: 3rem;
  position: relative;
  z-index: 10;
}

.progress-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--text-3);
  border: none;
  cursor: pointer;
  padding: 0;
  transition: all var(--transition-speed);
}

.progress-dot.active {
  background: var(--accent);
  box-shadow: 0 0 8px var(--accent);
  transform: scale(1.3);
}

.progress-dot.visited {
  background: var(--accent-dim);
}

.intro-skip {
  position: fixed;
  bottom: 2rem;
  left: 50%;
  transform: translateX(-50%);
  font-size: 0.65rem;
  color: var(--text-3);
  z-index: 10;
}

.intro-skip kbd {
  background: var(--bg-3);
  border: 1px solid var(--border);
  padding: 0.1rem 0.4rem;
  font-size: 0.6rem;
}

/* ═══════════════════════════════════════════════════════
 *  PHASE 2: LOADING TRANSITION
 * ═══════════════════════════════════════════════════════ */

.loading-transition {
  position: fixed;
  inset: 0;
  z-index: 200;
  background: #000;
  display: flex;
  align-items: center;
  justify-content: center;
}

.loading-transition[hidden] {
  display: none;
}

.loading-content {
  max-width: 650px;
  width: 100%;
  padding: 2rem;
}

.loading-terminal {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  color: var(--accent);
  line-height: 1.9;
  white-space: pre-wrap;
  word-break: break-word;
}

.loading-terminal .err { color: var(--error); }
.loading-terminal .warn { color: var(--warn); }
.loading-terminal .dim { color: var(--text-3); }

/* ═══════════════════════════════════════════════════════
 *  PHASE 3: FAKE JIRA
 * ═══════════════════════════════════════════════════════ */

.jira-view {
  min-height: 100vh;
  background: var(--jira-bg);
  animation: fadeIn 0.5s ease both;
}

.jira-view[hidden] {
  display: none;
}

/* ── Top bar ── */
.jira-topbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 1.5rem;
  height: 56px;
  background: var(--jira-surface);
  border-bottom: 1px solid var(--jira-border);
  position: sticky;
  top: 0;
  z-index: 50;
}

.jira-topbar-left,
.jira-topbar-right {
  display: flex;
  align-items: center;
  gap: 1.5rem;
}

.jira-logo {
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.jira-logo-svg {
  width: 24px;
  height: 24px;
}

.jira-brand {
  font-family: var(--font-heading);
  font-weight: 700;
  font-size: 1.1rem;
  color: var(--jira-text);
  letter-spacing: -0.02em;
}

.jira-nav {
  display: flex;
  gap: 0.2rem;
}

.jira-nav-item {
  padding: 0.4rem 0.8rem;
  font-size: 0.75rem;
  color: var(--jira-text-2);
  border-radius: 3px;
  cursor: default;
}

.jira-nav-item.active {
  color: var(--jira-text);
  background: var(--jira-surface-2);
}

.jira-search {
  display: flex;
  align-items: center;
  gap: 0.4rem;
  padding: 0.35rem 0.8rem;
  background: var(--jira-surface-2);
  border: 1px solid var(--jira-border);
  border-radius: 5px;
  font-size: 0.72rem;
  color: var(--jira-text-2);
}

.jira-search-icon {
  width: 14px;
  height: 14px;
  stroke: currentColor;
  fill: none;
  stroke-width: 2;
  stroke-linecap: round;
  stroke-linejoin: round;
}

.jira-avatar {
  width: 32px;
  height: 32px;
  border-radius: 50%;
  background: var(--jira-blue);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.65rem;
  font-weight: 700;
  color: #fff;
}

/* ── Breadcrumb ── */
.jira-breadcrumb {
  padding: 0.8rem 2rem;
  font-size: 0.7rem;
  color: var(--jira-text-2);
  background: var(--jira-surface);
  border-bottom: 1px solid var(--jira-border);
}

.jira-bc-sep { margin: 0 0.4rem; opacity: 0.5; }
.jira-bc-active { color: var(--jira-text); font-weight: 500; }

/* ── Issue layout ── */
.jira-issue {
  display: grid;
  grid-template-columns: 1fr 300px;
  gap: 0;
  max-width: 1200px;
  margin: 0 auto;
  min-height: calc(100vh - 160px);
}

.jira-issue-main {
  padding: 2rem;
  border-right: 1px solid var(--jira-border);
}

/* ── Issue header ── */
.jira-issue-header {
  margin-bottom: 1.5rem;
}

.jira-issue-type {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  margin-bottom: 0.5rem;
}

.jira-type-icon {
  font-size: 1rem;
}

.jira-issue-key {
  font-size: 0.72rem;
  color: var(--jira-blue);
  font-weight: 500;
}

.jira-issue-title {
  font-family: var(--font-heading);
  font-size: clamp(1.2rem, 3vw, 1.6rem);
  font-weight: 600;
  color: var(--jira-text);
  line-height: 1.3;
}

/* ── Section ── */
.jira-section {
  margin-bottom: 2rem;
}

.jira-section-title {
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--jira-text);
  padding-bottom: 0.6rem;
  border-bottom: 2px solid var(--jira-border);
  margin-bottom: 1rem;
  font-family: var(--font-heading);
}

/* ── Description ── */
.jira-description {
  font-size: 0.78rem;
  line-height: 1.8;
  color: var(--jira-text);
}

.jira-description p {
  margin-bottom: 1rem;
}

.jira-description h4 {
  font-size: 0.82rem;
  font-weight: 600;
  color: var(--jira-text);
  margin: 1.5rem 0 0.6rem;
  font-family: var(--font-heading);
}

.jira-description strong {
  color: var(--jira-text);
  font-weight: 600;
}

.jira-description code {
  background: var(--jira-code-bg);
  padding: 0.15rem 0.4rem;
  font-size: 0.72rem;
  color: var(--accent);
  border-radius: 3px;
}

/* Callouts */
.jira-callout {
  display: flex;
  gap: 0.8rem;
  padding: 1rem 1.2rem;
  border-radius: 4px;
  margin: 1rem 0;
  font-size: 0.75rem;
  line-height: 1.7;
}

.jira-callout.warning {
  background: rgba(255, 171, 0, 0.1);
  border-left: 3px solid var(--jira-yellow);
}

.jira-callout.info {
  background: rgba(38, 132, 255, 0.1);
  border-left: 3px solid var(--jira-blue);
}

.jira-callout-icon {
  font-size: 1.1rem;
  flex-shrink: 0;
}

/* Code block */
.jira-code-block {
  background: var(--jira-code-bg);
  border: 1px solid var(--jira-border);
  border-radius: 6px;
  overflow: hidden;
  margin: 1rem 0;
}

.jira-code-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 0.5rem 1rem;
  background: rgba(255, 255, 255, 0.03);
  border-bottom: 1px solid var(--jira-border);
  font-size: 0.65rem;
  color: var(--jira-text-2);
}

.jira-copy-btn {
  background: var(--jira-surface-2);
  border: 1px solid var(--jira-border);
  color: var(--jira-text-2);
  padding: 0.25rem 0.6rem;
  font-size: 0.62rem;
  cursor: pointer;
  border-radius: 3px;
  font-family: var(--font-mono);
  transition: all var(--transition-speed);
}

.jira-copy-btn:hover {
  background: var(--jira-blue);
  color: #fff;
  border-color: var(--jira-blue);
}

.jira-code {
  padding: 1rem;
  font-size: 0.75rem;
  line-height: 1.9;
  color: var(--jira-text);
  overflow-x: auto;
}

.jira-code-comment { color: var(--text-3); }
.jira-code-value { color: var(--accent); font-weight: 500; }

/* Steps list */
.jira-steps {
  padding-left: 1.5rem;
  margin: 0.5rem 0 1rem;
}

.jira-steps li {
  margin-bottom: 0.5rem;
  font-size: 0.75rem;
  color: var(--jira-text);
  line-height: 1.7;
}

.jira-steps li::marker {
  color: var(--jira-blue);
  font-weight: 700;
}

.jira-link {
  color: var(--jira-blue);
  text-decoration: none;
  font-weight: 500;
}

.jira-link:hover {
  text-decoration: underline;
}

/* ── Activity / Comments ── */
.jira-activity {
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.jira-comment {
  display: flex;
  gap: 0.8rem;
}

.jira-comment-avatar {
  width: 32px;
  height: 32px;
  border-radius: 50%;
  background: var(--jira-blue);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.6rem;
  font-weight: 700;
  color: #fff;
  flex-shrink: 0;
}

.jira-comment-avatar.system {
  background: var(--jira-surface-2);
  font-size: 1rem;
}

.jira-comment-body {
  flex: 1;
  background: var(--jira-surface);
  border: 1px solid var(--jira-border);
  border-radius: 6px;
  padding: 0.8rem 1rem;
}

.jira-comment-meta {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  margin-bottom: 0.4rem;
  font-size: 0.72rem;
}

.jira-comment-meta strong {
  color: var(--jira-text);
}

.jira-comment-meta span {
  color: var(--jira-text-2);
  font-size: 0.65rem;
}

.jira-comment-body p {
  font-size: 0.75rem;
  color: var(--jira-text);
  line-height: 1.7;
}

/* ── Sidebar ── */
.jira-sidebar {
  padding: 2rem 1.5rem;
  background: var(--jira-surface);
}

.jira-detail {
  margin-bottom: 1.2rem;
}

.jira-detail-label {
  display: block;
  font-size: 0.62rem;
  font-weight: 500;
  color: var(--jira-text-2);
  text-transform: uppercase;
  letter-spacing: 0.08em;
  margin-bottom: 0.3rem;
}

.jira-detail span:not(.jira-detail-label) {
  font-size: 0.75rem;
  color: var(--jira-text);
}

.jira-status {
  display: inline-block;
  padding: 0.2rem 0.6rem;
  border-radius: 3px;
  font-size: 0.65rem !important;
  font-weight: 700;
  letter-spacing: 0.05em;
}

.jira-status.open {
  background: rgba(38, 132, 255, 0.15);
  color: var(--jira-blue) !important;
}

.jira-priority {
  display: flex;
  align-items: center;
  gap: 0.4rem;
}

.jira-priority.critical {
  color: var(--jira-red) !important;
  font-weight: 600;
}

.jira-assignee {
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.jira-assignee-avatar {
  width: 24px;
  height: 24px;
  border-radius: 50%;
  background: var(--accent);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.55rem;
  font-weight: 700;
  color: var(--bg-0);
}

.jira-assignee-avatar.reporter {
  background: var(--jira-blue);
  color: #fff;
}

.jira-assignee span {
  font-size: 0.75rem;
}

.jira-sla {
  display: flex;
  align-items: center;
  gap: 0.4rem;
}

.jira-sla-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--jira-green);
  animation: pulse 2s infinite;
}

.jira-sidebar-divider {
  height: 1px;
  background: var(--jira-border);
  margin: 1.5rem 0;
}

.jira-action-btn {
  display: block;
  text-align: center;
  padding: 0.8rem 1rem;
  background: var(--accent);
  color: var(--bg-0);
  font-family: var(--font-mono);
  font-size: 0.75rem;
  font-weight: 700;
  text-decoration: none;
  border-radius: 4px;
  transition: all var(--transition-speed);
}

.jira-action-btn:hover {
  background: #3dfb8b;
  box-shadow: 0 0 20px rgba(80, 250, 123, 0.3);
  text-decoration: none;
}

/* ── Jira footer ── */
.jira-footer {
  display: flex;
  justify-content: space-between;
  padding: 1rem 2rem;
  font-size: 0.62rem;
  color: var(--jira-text-2);
  border-top: 1px solid var(--jira-border);
  background: var(--jira-surface);
}

/* ═══════════════════════════════════════════════════════
 *  ANIMATIONS
 * ═══════════════════════════════════════════════════════ */

@keyframes fadeSlideUp {
  from { opacity: 0; transform: translateY(20px); }
  to { opacity: 1; transform: translateY(0); }
}

@keyframes fadeIn {
  from { opacity: 0; }
  to { opacity: 1; }
}

@keyframes blink-caret {
  50% { border-color: transparent; }
}

@keyframes glitch {
  0%, 100% { transform: translate(0); }
  20% { transform: translate(-2px, 2px); }
  40% { transform: translate(-2px, -2px); }
  60% { transform: translate(2px, 2px); }
  80% { transform: translate(2px, -2px); }
}

@keyframes glitchTop {
  0%, 100% { transform: translate(0); }
  25% { transform: translate(3px, 0); }
  50% { transform: translate(-3px, 0); }
  75% { transform: translate(1px, 0); }
}

@keyframes glitchBottom {
  0%, 100% { transform: translate(0); }
  33% { transform: translate(-2px, 0); }
  66% { transform: translate(2px, 0); }
}

@keyframes pulse {
  0%, 100% { transform: scale(1); opacity: 1; }
  50% { transform: scale(1.1); opacity: 0.8; }
}

/* ═══════════════════════════════════════════════════════
 *  ACCESSIBILITY — Reduced motion
 * ═══════════════════════════════════════════════════════ */

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }

  .intro-step {
    transition: opacity 0.01ms ease;
    transform: none !important;
  }

  .intro-title.glitch::before,
  .intro-title.glitch::after {
    display: none;
  }
}

/* ═══════════════════════════════════════════════════════
 *  RESPONSIVE
 * ═══════════════════════════════════════════════════════ */

@media (max-width: 768px) {
  .rules-grid {
    grid-template-columns: 1fr;
    gap: 0.8rem;
  }

  .jira-issue {
    grid-template-columns: 1fr;
  }

  .jira-issue-main {
    border-right: none;
    border-bottom: 1px solid var(--jira-border);
    padding: 1.5rem 1rem;
  }

  .jira-sidebar {
    padding: 1.5rem 1rem;
  }

  .jira-topbar {
    padding: 0 1rem;
  }

  .jira-nav {
    display: none;
  }

  .jira-breadcrumb {
    padding: 0.6rem 1rem;
  }

  .jira-footer {
    flex-direction: column;
    gap: 0.3rem;
    text-align: center;
    padding: 0.8rem 1rem;
  }

  .intro-container {
    padding: 1rem;
  }
}

@media (max-width: 480px) {
  .jira-search { display: none; }

  .intro-title {
    font-size: 1.8rem;
  }

  .jira-code {
    font-size: 0.65rem;
  }
}