/* styles/base.css: Base resets, accessibility utilities, room frame, mission clocks strip, and left timeline screen */
/* SI-assisted code (Claude, Antigravity), reviewed by La Shara Cordero. See AI_DISCLOSURE.md. */

*,
*::before,
*::after {
  box-sizing: border-box;
}

html,
body {
  margin: 0;
  padding: 0;
  width: 100vw;
  height: 100dvh;
  overflow: hidden;
  background: var(--bg-room);
  color: var(--text-primary);
  font-family: var(--font-sans);
  -webkit-font-smoothing: antialiased;
  display: flex;
  align-items: center;
  justify-content: center;
}

a {
  color: var(--text-crt);
}

a:hover {
  color: #FFFFFF;
}

[hidden] {
  display: none !important;
}

.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

/* Error Banner */
.error-banner {
  position: fixed;
  top: 10px;
  left: 50%;
  transform: translateX(-50%);
  z-index: 100;
  background: #3D1418;
  border: 2px solid #F85149;
  color: #FFDCD7;
  font: 600 13px var(--font-mono);
  padding: 10px 18px;
  border-radius: 4px;
  box-shadow: 0 8px 24px rgba(0, 0, 0, 0.7);
}

/* ==========================================================================
   DEFAULT DESKTOP LAYOUT (1280 x 800, prototype exact values)
   ========================================================================== */

.room {
  width: 1280px;
  height: 800px;
  position: fixed;
  left: 50%;
  top: 50%;
  overflow: hidden;
  background: #0E1110;
  color: #E8F0EA;
  font-family: var(--font-sans);
  transform-origin: center center;
}

.room-glow {
  position: absolute;
  left: 0;
  right: 0;
  top: 0;
  height: 520px;
  background: radial-gradient(ellipse 60% 75% at 50% 55%, #1C2628 0%, #0E1110 72%);
  pointer-events: none;
}

/* Mission Clocks Strip */
.clock-strip {
  z-index: 5;
  position: absolute;
  left: 40px;
  right: 40px;
  top: 14px;
  height: 56px;
  background: #050605;
  border: 1px solid #262B28;
  display: flex;
  align-items: stretch;
}

.clock-cell {
  flex: 0.9;
  display: flex;
  flex-direction: column;
  justify-content: center;
  padding: 0 12px;
  border-right: 1px solid #1E2220;
  min-width: 0;
}

.clock-cell:nth-child(3) {
  flex: 1.25;
}

.clock-cell--moon {
  flex: 1.65;
  background: rgba(255, 233, 176, 0.04);
}

.clock-label {
  font: 600 10px var(--font-mono);
  letter-spacing: 0.14em;
  color: #B9C4BD;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.clock-val {
  font: 400 28px var(--font-vt);
  line-height: 1;
  color: #FFE9B0;
  text-shadow: 0 0 10px rgba(255, 220, 140, 0.55);
  font-variant-numeric: tabular-nums;
  white-space: nowrap;
}

.clock-btn {
  min-width: 88px;
  min-height: 44px;
  background: transparent;
  border: 0;
  border-right: 1px solid #1E2220;
  color: #B9C4BD;
  font: 600 11px var(--font-mono);
  letter-spacing: 0.1em;
  cursor: pointer;
  padding: 0 8px;
  text-align: center;
  line-height: 1.25;
}

.clock-btn:hover {
  background: rgba(255, 233, 176, 0.08);
  color: #FFFFFF;
}

.clock-btn--about,
.clock-btn--replay {
  white-space: pre-line;
}

.clock-btn--replay {
  border-right: 0;
}

.world-toggle {
  display: flex;
  align-items: stretch;
  border-right: 1px solid #1E2220;
}

.world-btn {
  min-width: 56px;
  min-height: 44px;
  padding: 0 8px;
  border-right: 1px solid #1E2220;
}

.world-btn:last-child {
  border-right: 0;
}

.world-btn[aria-pressed="true"] {
  background: rgba(255, 233, 176, 0.14);
  color: #FFE9B0;
  box-shadow: inset 0 -2px 0 #FFE9B0;
}

/* Left Angled Screen: LANDED BY YEAR */
.side-screen-left {
  position: absolute;
  left: 40px;
  top: 84px;
  transform: perspective(900px) rotateY(16deg);
  transform-origin: right center;
  border-radius: 6px;
  width: 220px;
  height: 424px;
  background: radial-gradient(ellipse at 50% 45%, #10191B 0%, #070A0A 80%);
  border: 2px solid #050605;
  padding: 12px 12px;
  opacity: 0.92;
  display: flex;
  flex-direction: column;
}

.side-heading {
  margin: 0 0 6px;
  font: 600 11px var(--font-mono);
  letter-spacing: 0.12em;
  color: #C9DDE0;
}

.timeline-list {
  margin: 0 0 0 6px;
  padding: 0;
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 3px;
  border-left: 1px solid rgba(201, 221, 224, 0.35);
  flex: 1;
}

.timeline-item {
  position: relative;
  padding-left: 10px;
}

.timeline-dot {
  position: absolute;
  left: -5px;
  top: 16px;
  width: 9px;
  height: 9px;
  border-radius: 50%;
}

.timeline-btn {
  width: 100%;
  min-height: 44px;
  padding: 3px 6px;
  background: transparent;
  border: 1px solid transparent;
  border-radius: 3px;
  text-align: left;
  cursor: pointer;
  display: flex;
  flex-direction: column;
  justify-content: center;
  color: inherit;
}

.timeline-btn:hover {
  background: rgba(201, 221, 224, 0.08);
  border-color: rgba(201, 221, 224, 0.25);
}

.timeline-btn--selected {
  background: rgba(246, 242, 226, 0.12);
  border-color: rgba(246, 242, 226, 0.55);
}

.timeline-year {
  display: block;
  font: 400 22px var(--font-vt);
  line-height: 1;
}

.timeline-label {
  display: block;
  font: 600 11px var(--font-mono);
  line-height: 1.2;
}

.timeline-today {
  margin-top: auto;
  padding: 6px 4px 0 10px;
  border-top: 1px solid rgba(201, 221, 224, 0.22);
  font: 600 10px var(--font-mono);
  line-height: 1.3;
  color: #FFE9B0;
}