/* ============================================================
   Guess the Painter — Redesign 2026-05 · Game mode picker modal
   Triggered by the START PLAYING CTA via 'gtp:open-mode-picker'.
   ============================================================ */

.gtp-mode-picker {
  position: fixed;
  inset: 0;
  z-index: 60;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 40px;
  font-family: var(--sans);
  color: var(--ink);
}
.gtp-mode-picker[hidden] { display: none; }

.gtp-mp-backdrop {
  position: absolute;
  inset: 0;
  background: rgba(28,26,23,0.55);
  -webkit-backdrop-filter: blur(2px);
          backdrop-filter: blur(2px);
}

.gtp-mp-modal {
  position: relative;
  z-index: 1;
  width: min(100%, 1080px);
  max-height: calc(100vh - 80px);
  background: var(--paper);
  border-radius: 6px;
  box-shadow: var(--shadow-deep);
  overflow: hidden;
  display: flex;
  flex-direction: column;
}

.gtp-mp-close {
  position: absolute;
  top: 14px;
  right: 14px;
  z-index: 4;
  width: 36px;
  height: 36px;
  border-radius: 50%;
  background: var(--paper-2);
  border: 0;
  color: var(--ink);
  font-size: 20px;
  line-height: 1;
  cursor: pointer;
  transition: background 160ms;
}
.gtp-mp-close:hover { background: var(--rule); }

.gtp-mp-header {
  padding: 28px 40px 22px;
  border-bottom: 1px solid var(--rule);
}
.gtp-mp-header .gtp-eyebrow { margin-bottom: 6px; }
.gtp-mp-h2 {
  font-family: var(--serif);
  font-size: 36px;
  font-weight: 500;
  letter-spacing: -0.01em;
  margin: 0;
  color: var(--ink);
}

/* ----- 3-column grid (taller paintings, responsive) ----- */
.gtp-mp-cols {
  display: grid;
  grid-template-columns: 1fr 1fr 1fr;
  flex: 1;
  min-height: min(82vh, 720px);
}
.gtp-mp-col {
  position: relative;
  display: block;
  overflow: hidden;
  border: 0;
  background-color: var(--mp-fallback, var(--ink));
  background-size: cover;
  background-position: center;
  cursor: pointer;
  text-align: left;
  color: var(--paper);
  padding: 0;
  transition: filter 240ms;
}

/* Per-mode tokens. --mp-tint is the colored veil over the painting.
   --mp-fallback is the solid background when the image fails to load.
   --mp-accent drives the top stripe and the CTA color. */
.gtp-mp-col[data-mode="solo"] {
  --mp-fallback: #5a3d1f;
  --mp-accent:   #b8893a;   /* ochre */
  --mp-accent-2: #8a6422;   /* ochre-deep, used on CTA hover */
  --mp-tint:     rgba(184,137,58,0.42);
}
.gtp-mp-col[data-mode="duo"] {
  --mp-fallback: #2c3850;
  --mp-accent:   #3a5d8f;   /* indigo */
  --mp-accent-2: #26426b;   /* indigo-deep */
  --mp-tint:     rgba(58,93,143,0.45);
}
.gtp-mp-col[data-mode="learn"] {
  --mp-fallback: #4a3b2a;
  --mp-accent:   #d4ac5c;   /* gold */
  --mp-accent-2: #a5832f;
  --mp-tint:     rgba(212,172,92,0.40);
}

.gtp-mp-col + .gtp-mp-col { border-left: 1px solid rgba(184,137,58,0.4); }

/* Top stripe = mode accent */
.gtp-mp-col::after {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 5px;
  background: var(--mp-accent);
  z-index: 3;
}

/* Layered overlay over the painting:
   1) per-mode color tint (semi-transparent — paints the column its mode color)
   2) dark gradient at bottom for text legibility */
.gtp-mp-col::before {
  content: '';
  position: absolute;
  inset: 0;
  background:
    linear-gradient(180deg, rgba(28,26,23,0.05) 0%, rgba(28,26,23,0.30) 50%, rgba(28,26,23,0.88) 100%),
    var(--mp-tint);
  transition: background 240ms, backdrop-filter 240ms;
  z-index: 1;
}
.gtp-mp-col:hover::before {
  background:
    linear-gradient(180deg, rgba(28,26,23,0.0) 0%, rgba(28,26,23,0.18) 35%, rgba(28,26,23,0.92) 100%),
    var(--mp-tint);
}
.gtp-mp-col:focus-visible { outline: 2px solid var(--mp-accent); outline-offset: -4px; }

.gtp-mp-col-inner {
  position: relative;
  z-index: 2;
  height: 100%;
  min-height: min(82vh, 720px);
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
  gap: 12px;
  padding: 36px 32px 32px;
  color: var(--paper);
  text-shadow: 0 1px 2px rgba(0,0,0,0.45);
}
.gtp-mp-ord {
  align-self: flex-start;
  font-family: var(--mono);
  font-size: 13px;
  letter-spacing: 0.2em;
  color: rgba(245,240,230,0.95);
  margin-bottom: auto;
}
.gtp-mp-title {
  font-family: var(--serif);
  font-size: 44px;
  font-weight: 500;
  font-style: italic;
  margin: 0;
  line-height: 1;
  letter-spacing: -0.01em;
}
.gtp-mp-title em { font-style: italic; }
.gtp-mp-tagline {
  font-family: var(--serif);
  font-size: 16px;
  font-style: italic;
  color: var(--ochre);
  margin: 8px 0 0;
  line-height: 1.3;
}
.gtp-mp-desc {
  font-family: var(--sans);
  font-size: 17px;
  font-weight: 400;
  line-height: 1.5;
  color: rgba(245,240,230,0.97);
  margin: 14px 0 22px;
  max-width: 36ch;
}
.gtp-mp-cta {
  display: inline-flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  padding: 14px 20px;
  background: var(--paper);
  color: var(--ink);
  border-radius: 3px;
  font-family: var(--sans);
  font-size: 14px;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  box-shadow: 0 2px 0 rgba(0,0,0,0.18);
  transition: background 200ms, transform 160ms, box-shadow 160ms, color 200ms;
  text-shadow: none;
}
.gtp-mp-col:hover .gtp-mp-cta {
  background: var(--ink);
  color: var(--paper);
  transform: translateY(-1px);
  box-shadow: 0 4px 0 rgba(0,0,0,0.30);
}
.gtp-mp-arrow { font-family: var(--mono); font-weight: 500; font-size: 18px; }

/* ----- Mobile / narrow ----- */
@media (max-width: 900px) {
  .gtp-mode-picker { padding: 12px; }
  .gtp-mp-modal { max-height: calc(100dvh - 24px); }
  .gtp-mp-header { padding: 20px 24px 16px; }
  .gtp-mp-h2 { font-size: 26px; }
  /* Stack the columns as scrollable blocks. The grid squished each column to
     a sliver and overflow:hidden clipped the tagline / description / Play
     button — only the title showed. Now each card sizes to its content and
     the list scrolls, so all the text + the CTA are visible. */
  .gtp-mp-cols {
    display: block;
    flex: 1;
    min-height: 0;
    overflow-y: auto;
    -webkit-overflow-scrolling: touch;
  }
  .gtp-mp-col { display: block; }
  .gtp-mp-col + .gtp-mp-col { border-left: 0; border-top: 1px solid rgba(184,137,58,0.4); }
  .gtp-mp-col-inner { min-height: 320px; padding: 22px 22px 24px; }
  .gtp-mp-title { font-size: 40px; }
  .gtp-mp-tagline { font-size: 16px; }
  .gtp-mp-desc { font-size: 14px; }
  .gtp-mp-cta { width: 100%; justify-content: space-between; font-size: 15px; padding: 14px 18px; }
}