/* FanWall Display Wall — Outdoor-optimized, adaptive grid */

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

html, body {
  margin: 0;
  padding: 0;
  width: 100vw;
  height: 100vh;
  height: 100dvh;
  overflow: hidden;
  background: #08060e;
  color: #ffffff;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

/* Ambient background glow */
body::before {
  content: '';
  position: fixed;
  inset: 0;
  background:
    radial-gradient(ellipse 80% 60% at 10% 90%, rgba(196, 18, 48, 0.10) 0%, transparent 60%),
    radial-gradient(ellipse 60% 50% at 90% 15%, rgba(120, 40, 180, 0.08) 0%, transparent 50%),
    radial-gradient(ellipse 50% 40% at 50% 50%, rgba(200, 60, 100, 0.05) 0%, transparent 60%);
  animation: bg-drift 25s ease-in-out infinite alternate;
  z-index: -1;
  pointer-events: none;
}

@keyframes bg-drift {
  0% { opacity: 0.6; transform: scale(1) translate(0, 0); }
  50% { opacity: 1; transform: scale(1.04) translate(-1%, 0.5%); }
  100% { opacity: 0.7; transform: scale(1) translate(0.5%, -0.5%); }
}

/* ── Rotation wrapper ──────────────────────────────────────────────────────── */

#display-root {
  width: 100vw;
  height: 100vh;
  height: 100dvh;
  transition: transform 0.5s ease;
  transform-origin: center center;
}

#display-root.rotated {
  transform: rotate(-90deg);
  width: 100vh;
  height: 100vw;
  position: fixed;
  top: 50%;
  left: 50%;
  margin-top: calc(-50vw);
  margin-left: calc(-50vh);
}

/* ── Adaptive grid ─────────────────────────────────────────────────────────── */

#grid {
  display: grid;
  gap: 1.2vmin;
  width: 100%;
  height: 100%;
  padding: 1.2vmin;
}

/* 1 bubble: full space */
#grid.grid-1 {
  grid-template-columns: 1fr;
  grid-template-rows: 1fr;
}

/* 2 bubbles: side by side */
#grid.grid-2 {
  grid-template-columns: 1fr 1fr;
  grid-template-rows: 1fr;
}

/* 3 bubbles: 1 left full height, 2 right stacked */
#grid.grid-3 {
  grid-template-columns: 1fr 1fr;
  grid-template-rows: 1fr 1fr;
}

#grid.grid-3 .bubble:nth-of-type(1) {
  grid-column: 1;
  grid-row: 1 / 3;
}

#grid.grid-3 .bubble:nth-of-type(2) {
  grid-column: 2;
  grid-row: 1;
}

#grid.grid-3 .bubble:nth-of-type(3) {
  grid-column: 2;
  grid-row: 2;
}

/* 4 bubbles: quadrants */
#grid.grid-4 {
  grid-template-columns: 1fr 1fr;
  grid-template-rows: 1fr 1fr;
}

/* 5 bubbles: 2 top, 3 bottom */
#grid.grid-5 {
  grid-template-columns: repeat(6, 1fr);
  grid-template-rows: 1fr 1fr;
}

#grid.grid-5 .bubble:nth-of-type(1) { grid-column: 1 / 4; }
#grid.grid-5 .bubble:nth-of-type(2) { grid-column: 4 / 7; }
#grid.grid-5 .bubble:nth-of-type(3) { grid-column: 1 / 3; }
#grid.grid-5 .bubble:nth-of-type(4) { grid-column: 3 / 5; }
#grid.grid-5 .bubble:nth-of-type(5) { grid-column: 5 / 7; }

/* 6 bubbles: 3x2 */
#grid.grid-6 {
  grid-template-columns: 1fr 1fr 1fr;
  grid-template-rows: 1fr 1fr;
}

/* 7 bubbles: 4 top, 3 bottom */
#grid.grid-7 {
  grid-template-columns: repeat(12, 1fr);
  grid-template-rows: 1fr 1fr;
}

#grid.grid-7 .bubble:nth-of-type(1) { grid-column: 1 / 4; }
#grid.grid-7 .bubble:nth-of-type(2) { grid-column: 4 / 7; }
#grid.grid-7 .bubble:nth-of-type(3) { grid-column: 7 / 10; }
#grid.grid-7 .bubble:nth-of-type(4) { grid-column: 10 / 13; }
#grid.grid-7 .bubble:nth-of-type(5) { grid-column: 1 / 5; }
#grid.grid-7 .bubble:nth-of-type(6) { grid-column: 5 / 9; }
#grid.grid-7 .bubble:nth-of-type(7) { grid-column: 9 / 13; }

/* 8 bubbles: 4x2 */
#grid.grid-8 {
  grid-template-columns: 1fr 1fr 1fr 1fr;
  grid-template-rows: 1fr 1fr;
}

/* ── Font scaling for larger cards ──────────────────────────────────────────── */

/* 1 card: massive text */
#grid.grid-1 .bubble-bib { font-size: clamp(5rem, 12vw, 14rem); }
#grid.grid-1 .bubble-name { font-size: clamp(2rem, 5vw, 5rem); }
#grid.grid-1 .bubble-message-text { font-size: clamp(1.8rem, 4vw, 4.5rem); }
#grid.grid-1 .bubble-sender { font-size: clamp(1.2rem, 2.5vw, 2.5rem); }

/* 2 cards: large text */
#grid.grid-2 .bubble-bib { font-size: clamp(4rem, 8vw, 10rem); }
#grid.grid-2 .bubble-name { font-size: clamp(1.6rem, 3.5vw, 4rem); }
#grid.grid-2 .bubble-message-text { font-size: clamp(1.4rem, 3vw, 3.5rem); }
#grid.grid-2 .bubble-sender { font-size: clamp(1rem, 2vw, 2rem); }

/* 3 cards: first card (full left) gets bigger text */
#grid.grid-3 .bubble:first-of-type .bubble-bib { font-size: clamp(4rem, 8vw, 10rem); }
#grid.grid-3 .bubble:first-of-type .bubble-name { font-size: clamp(1.6rem, 3.5vw, 4rem); }
#grid.grid-3 .bubble:first-of-type .bubble-message-text { font-size: clamp(1.4rem, 3vw, 3.5rem); }
#grid.grid-3 .bubble:first-of-type .bubble-sender { font-size: clamp(1rem, 2vw, 2rem); }

/* Portrait overrides (native portrait OR rotated landscape) */
@media (orientation: portrait) {
  #grid.grid-2 {
    grid-template-columns: 1fr;
    grid-template-rows: 1fr 1fr;
  }
  #grid.grid-3 {
    grid-template-columns: 1fr 1fr;
    grid-template-rows: 1fr 1fr;
  }
  #grid.grid-3 .bubble:nth-of-type(1) {
    grid-column: 1 / 3;
    grid-row: 1;
  }
  #grid.grid-3 .bubble:nth-of-type(2) {
    grid-column: 1;
    grid-row: 2;
  }
  #grid.grid-3 .bubble:nth-of-type(3) {
    grid-column: 2;
    grid-row: 2;
  }
}

/* Rotated mode: CSS transform doesn't change media queries, so use a class */
#display-root.rotated #grid.grid-2 {
  grid-template-columns: 1fr;
  grid-template-rows: 1fr 1fr;
}

#display-root.rotated #grid.grid-3 {
  grid-template-columns: 1fr;
  grid-template-rows: 2fr 1fr 1fr;
}

#display-root.rotated #grid.grid-3 .bubble:nth-of-type(1) {
  grid-column: 1;
  grid-row: 1;
}

#display-root.rotated #grid.grid-3 .bubble:nth-of-type(2) {
  grid-column: 1;
  grid-row: 2;
}

#display-root.rotated #grid.grid-3 .bubble:nth-of-type(3) {
  grid-column: 1;
  grid-row: 3;
}

#display-root.rotated #grid.grid-4 {
  grid-template-columns: 1fr;
  grid-template-rows: 1fr 1fr 1fr 1fr;
}

/* ── Bubble card ───────────────────────────────────────────────────────────── */

.bubble {
  border-radius: 1.8vmin;
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  padding: 2.5vmin 3vmin;
  overflow: hidden;
  position: relative;
  animation: bubble-slide-in 900ms cubic-bezier(0.16, 1, 0.3, 1) both;
  min-width: 0;
  min-height: 0;
  border: 1px solid rgba(255, 255, 255, 0.1);
}

.bubble.removing {
  animation: bubble-fade-out 1000ms ease-in-out both;
}

/* Gradient variations — applied via inline style from JS */

@keyframes bubble-slide-in {
  from {
    opacity: 0;
    transform: translateY(4vh) scale(0.95);
  }
  to {
    opacity: 1;
    transform: translateY(0) scale(1);
  }
}

@keyframes bubble-fade-out {
  from { opacity: 1; transform: scale(1); }
  to { opacity: 0; transform: scale(0.92) translateY(-2vh); }
}

/* Subtle shimmer overlay */
.bubble::after {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, rgba(255,255,255,0.03) 0%, transparent 50%, rgba(255,255,255,0.02) 100%);
  pointer-events: none;
  border-radius: inherit;
}

/* ── BIB number ────────────────────────────────────────────────────────────── */

.bubble-bib {
  font-size: clamp(2.5rem, 5vw, 7rem);
  font-weight: 800;
  color: #ffffff;
  line-height: 1;
  letter-spacing: -0.02em;
  text-align: center;
  flex-shrink: 0;
  text-shadow: 0 2px 20px rgba(0,0,0,0.3);
}

/* ── Runner name ───────────────────────────────────────────────────────────── */

.bubble-name {
  font-size: clamp(1.1rem, 2.2vw, 2.8rem);
  font-weight: 800;
  color: rgba(255, 255, 255, 0.90);
  line-height: 1.2;
  text-align: center;
  margin-top: 0.3vmin;
  margin-bottom: 1.5vmin;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  max-width: 100%;
  flex-shrink: 0;
}

/* ── Message area ──────────────────────────────────────────────────────────── */

.bubble-message-area {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.8vmin;
  width: 100%;
  min-height: 0;
  flex: 1;
  overflow: hidden;
  justify-content: center;
}

.bubble-message-text {
  font-size: clamp(1rem, 2vw, 2.4rem);
  font-weight: 500;
  font-style: italic;
  color: rgba(255, 255, 255, 0.95);
  line-height: 1.35;
  text-align: center;
  opacity: 1;
  transition: opacity 800ms ease;
  max-width: 95%;
  overflow: hidden;
  display: -webkit-box;
  -webkit-line-clamp: 3;
  -webkit-box-orient: vertical;
  word-break: break-word;
}

.bubble-message-text.fading {
  opacity: 0;
}

/* ── Sender attribution ────────────────────────────────────────────────────── */

.bubble-sender {
  font-size: clamp(0.7rem, 1.2vw, 1.3rem);
  font-weight: 500;
  color: rgba(255, 255, 255, 0.5);
  text-align: center;
  white-space: nowrap;
  opacity: 1;
  transition: opacity 800ms ease;
  flex-shrink: 0;
}

.bubble-sender.fading {
  opacity: 0;
}

/* ── Message counter dots ──────────────────────────────────────────────────── */

.bubble-msg-counter {
  display: flex;
  gap: 0.4vmin;
  margin-top: 0.6vmin;
}

.bubble-msg-dot {
  width: clamp(5px, 0.6vmin, 10px);
  height: clamp(5px, 0.6vmin, 10px);
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.2);
  transition: background 300ms ease;
}

.bubble-msg-dot.active {
  background: rgba(255, 255, 255, 0.8);
}

/* ── Control buttons (top bar) ─────────────────────────────────────────────── */

#controls {
  position: fixed;
  top: 1.2vmin;
  left: 1.5vmin;
  display: flex;
  gap: 0.8vmin;
  z-index: 100;
}

.ctrl-btn {
  background: rgba(0, 0, 0, 0.55);
  border: 1px solid rgba(255, 255, 255, 0.15);
  border-radius: 0.6vmin;
  padding: 0.3vmin 0.9vmin;
  font-size: clamp(0.7rem, 1vw, 1rem);
  font-weight: 600;
  color: rgba(255, 255, 255, 0.7);
  cursor: pointer;
  width: fit-content;
  white-space: nowrap;
  transition: background 0.2s, color 0.2s;
  font-family: inherit;
  line-height: 1.6;
}

.ctrl-btn:hover {
  background: rgba(255, 255, 255, 0.12);
  color: #fff;
}

/* ── Clock ─────────────────────────────────────────────────────────────────── */

#clock {
  position: fixed;
  top: 1.2vmin;
  right: 1.5vmin;
  background: rgba(0, 0, 0, 0.55);
  border: 1px solid rgba(255, 255, 255, 0.15);
  border-radius: 0.6vmin;
  padding: 0.3vmin 1vmin;
  font-size: clamp(1rem, 2vw, 2.5rem);
  font-weight: 700;
  color: rgba(255, 255, 255, 0.7);
  font-variant-numeric: tabular-nums;
  letter-spacing: 0.05em;
  z-index: 100;
  display: flex;
  align-items: center;
  gap: 0.6vmin;
  white-space: nowrap;
}

#clock-offset {
  font-size: 0.55em;
  font-weight: 500;
  color: rgba(255, 255, 255, 0.4);
}

/* ── Connection status ─────────────────────────────────────────────────────── */

#connection-status {
  position: fixed;
  bottom: 1.2vmin;
  right: 1.5vmin;
  font-size: clamp(0.7rem, 1vw, 1.2rem);
  font-weight: 600;
  padding: 0.2vmin 0.8vmin;
  border-radius: 999px;
  z-index: 100;
  transition: opacity 600ms ease;
}

#connection-status.connected {
  background: rgba(74, 222, 128, 0.12);
  color: #4ADE80;
  border: 1px solid rgba(74, 222, 128, 0.3);
  opacity: 0;
}

#connection-status.disconnected {
  background: rgba(255, 80, 80, 0.15);
  color: #ff6b6b;
  border: 1px solid rgba(255, 80, 80, 0.4);
  opacity: 1;
}

/* ── Empty state ───────────────────────────────────────────────────────────── */

#empty-state {
  position: fixed;
  inset: 0;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 1.5vmin;
  pointer-events: none;
}

#empty-state.hidden { display: none; }

#empty-state-logo {
  font-size: clamp(2rem, 5vw, 6rem);
  font-weight: 800;
  color: rgba(196, 18, 48, 0.15);
  letter-spacing: -0.02em;
  animation: empty-pulse 4s ease-in-out infinite;
}

#empty-state-sub {
  font-size: clamp(0.9rem, 1.8vw, 2rem);
  color: rgba(255, 255, 255, 0.08);
  font-weight: 500;
}

@keyframes empty-pulse {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.4; }
}