/* ----------------------------------------------------------------------
   Learning Platform — front desk.
   Visual language ported from the original Algebra 2 companion select:
   dark, quiet, editorial. Each selection screen is its own full view and
   reuses one card (.pick-card) with a per-card accent color.
---------------------------------------------------------------------- */

:root {
  --bg:      #101317;
  --panel:   #161a20;
  --panel-2: #1c222a;
  --line:    #232830;
  --text:    #e9e7e1;   /* warm off-white */
  --muted:   #9aa0a8;
  --faint:   #5c636d;
  --accent:  #8fb6d9;   /* chalk blue */
  --danger:  #c98484;
  --correct: #8fd99c;
  --radius:  10px;
  --font: "Outfit", "Century Gothic", "Futura", "Avenir Next", system-ui, sans-serif;
}

* { box-sizing: border-box; margin: 0; padding: 0; }

html, body { height: 100%; }

body {
  background: var(--bg);
  color: var(--text);
  font-family: var(--font);
  font-weight: 300;
  line-height: 1.5;
  -webkit-font-smoothing: antialiased;
}

/* --- screens -------------------------------------------------------- */

.view {
  position: fixed;
  inset: 0;
  z-index: 1;
  overflow-y: auto;
  background: var(--bg);
  padding: clamp(4vh, 7vh, 9vh) 32px;
}
.view[hidden] { display: none; }

.screen-inner {
  width: 100%;
  max-width: 1080px;
  margin: 0 auto;
}

/* header row: back / context on the left, an action on the right */
.screen-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  margin-bottom: clamp(18px, 3vh, 30px);
  min-height: 24px;
}
.screen-head .context { color: var(--muted); font-size: 0.9rem; }

.screen-title {
  font-size: clamp(1.6rem, 3vw, 2.2rem);
  font-weight: 400;
  letter-spacing: -0.01em;
  margin-bottom: 8px;
}
.screen-sub {
  color: var(--muted);
  margin-bottom: clamp(20px, 3.5vh, 36px);
}

/* --- text link / back button --------------------------------------- */

.link {
  font: inherit;
  background: none;
  border: none;
  color: var(--muted);
  cursor: pointer;
  padding: 4px 0;
  transition: color 120ms ease;
}
.link:hover { color: var(--text); }

/* --- login ---------------------------------------------------------- */

#login-view { display: flex; align-items: center; justify-content: center; }

.login-card {
  width: 100%;
  max-width: 380px;
  background:
    linear-gradient(180deg,
      color-mix(in srgb, var(--accent) 9%, var(--panel)) 0%,
      var(--panel) 55%);
  border: 1px solid color-mix(in srgb, var(--accent) 30%, var(--line));
  border-radius: var(--radius);
  padding: 36px 32px 32px;
}
.login-card h1 {
  font-size: 1.6rem;
  font-weight: 400;
  letter-spacing: -0.01em;
  margin-bottom: 6px;
}
.login-card .screen-sub { margin-bottom: 24px; }

form { display: flex; flex-direction: column; gap: 16px; }
label {
  display: flex;
  flex-direction: column;
  gap: 7px;
  font-size: 0.72rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--muted);
}
input {
  font: inherit;
  font-size: 1rem;
  color: var(--text);
  background: var(--panel-2);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 10px 14px;
}
input:focus { outline: none; border-color: var(--accent); }
input::placeholder { color: var(--faint); text-transform: none; letter-spacing: 0; }

button[type="submit"] {
  font: inherit;
  font-size: 0.95rem;
  letter-spacing: 0.02em;
  color: var(--bg);
  background: var(--accent);
  border: none;
  border-radius: var(--radius);
  padding: 11px;
  cursor: pointer;
  margin-top: 4px;
  transition: filter 120ms ease;
}
button[type="submit"]:hover { filter: brightness(1.08); }

.error { color: var(--danger); font-size: 0.86rem; }

/* --- card grids (games / assignments / companions) ------------------ */

.pick-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 14px;
}
@media (max-width: 720px) {
  .pick-grid { grid-template-columns: 1fr; }
}

.pick-card {
  --pc: var(--accent);                 /* per-card accent, set inline */
  position: relative;
  background:
    linear-gradient(180deg,
      color-mix(in srgb, var(--pc) 10%, var(--panel)) 0%,
      var(--panel) 55%);
  border: 1px solid color-mix(in srgb, var(--pc) 35%, var(--line));
  border-radius: var(--radius);
  padding: 24px 22px 26px;
  text-align: left;
  cursor: pointer;
  color: var(--text);
  font: inherit;
  transition:
    border-color 140ms ease,
    transform 140ms ease,
    box-shadow 220ms ease;
  display: flex;
  flex-direction: column;
  gap: 10px;
  overflow: hidden;
}
.pick-card::before {                  /* soft top-edge glow in the card's color */
  content: "";
  position: absolute;
  inset: 0 0 auto 0;
  height: 2px;
  background: var(--pc);
  opacity: 0.7;
}
.pick-card:hover {
  border-color: var(--pc);
  transform: translateY(-2px);
  box-shadow: 0 8px 28px -14px color-mix(in srgb, var(--pc) 80%, transparent);
}
.pick-card:disabled { opacity: 0.5; cursor: progress; transform: none; box-shadow: none; }

.pick-card.locked {
  opacity: 0.4;
  cursor: not-allowed;
  pointer-events: none;
}

.pick-icon {
  font-size: 2rem;
  line-height: 1;
  width: 52px;
  height: 52px;
  display: grid;
  place-items: center;
  border-radius: 50%;
  background: color-mix(in srgb, var(--pc) 18%, transparent);
  border: 1px solid color-mix(in srgb, var(--pc) 45%, var(--line));
  margin-bottom: 6px;
  filter: drop-shadow(0 0 4px color-mix(in srgb, var(--pc) 30%, transparent));
}

.pick-name {
  font-size: 1.18rem;
  font-weight: 500;
  color: var(--pc);
  letter-spacing: 0.005em;
}
.pick-tagline {
  color: var(--muted);
  font-size: 0.9rem;
}
.pick-sample {
  margin-top: auto;
  color: var(--faint);
  font-size: 0.86rem;
  font-style: italic;
  line-height: 1.45;
  padding-top: 10px;
  border-top: 1px dashed color-mix(in srgb, var(--pc) 28%, var(--line));
}

/* assignment status badge inside a card */
.pick-meta {
  margin-top: auto;
  padding-top: 12px;
  border-top: 1px dashed color-mix(in srgb, var(--pc) 28%, var(--line));
}
.badge {
  font-size: 0.68rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  padding: 3px 9px;
  border-radius: 999px;
  background: var(--panel-2);
  color: var(--muted);
  border: 1px solid var(--line);
}
.badge.complete   { color: var(--correct); border-color: color-mix(in srgb, var(--correct) 40%, var(--line)); }
.badge.incomplete { color: var(--accent);  border-color: color-mix(in srgb, var(--accent) 40%, var(--line)); }

/* small "locked / not assigned" tag on a game card */
.pick-flag {
  margin-top: auto;
  padding-top: 10px;
  font-size: 0.72rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--faint);
}

/* viewport-tall buffer before the discoverable companion tier */
.select-spacer { height: 70vh; pointer-events: none; }

.empty { color: var(--faint); font-size: 0.92rem; }

/* --- in-game placeholder -------------------------------------------- */

.stage {
  max-width: 480px;
  margin: 8vh auto 0;
  text-align: center;
  background:
    linear-gradient(180deg,
      color-mix(in srgb, var(--accent) 8%, var(--panel)) 0%,
      var(--panel) 55%);
  border: 1px solid color-mix(in srgb, var(--accent) 28%, var(--line));
  border-radius: var(--radius);
  padding: 40px 32px 44px;
}
.stage .pick-icon { margin: 0 auto 14px; width: 64px; height: 64px; font-size: 2.4rem; }
.stage h1 { font-size: 1.6rem; font-weight: 400; margin-bottom: 6px; }
.stage .screen-sub { margin-bottom: 18px; }

/* --- Global self-report widget (help / overwhelmed) — fixed, on every screen while logged in --- */
#selfreport { position: fixed; left: 16px; bottom: 16px; z-index: 900; display: flex; flex-direction: column; gap: 10px; align-items: flex-start; }
.sr-buttons { display: flex; gap: 8px; }
.sr-btn { border: none; border-radius: 999px; padding: 10px 14px; font-size: 0.9rem; font-weight: 600; cursor: pointer; color: #1a1206; box-shadow: 0 2px 8px rgba(0,0,0,0.3); opacity: 0.92; }
.sr-btn:hover { opacity: 1; }
.sr-help { background: #ffd23f; }
.sr-overwhelm { background: #ff9a5a; }
.sr-panel { background: var(--panel, #1a2130); color: var(--text, #e8e8ee); border-radius: 14px; padding: 12px; width: 260px; box-shadow: 0 6px 24px rgba(0,0,0,0.45); border: 1px solid rgba(255,255,255,0.08); }
.sr-panel-title { font-weight: 700; margin-bottom: 8px; }
.sr-sev { display: flex; gap: 8px; margin-bottom: 8px; }
.sr-sev-btn { flex: 1; border: 2px solid transparent; border-radius: 10px; padding: 8px; font-weight: 600; cursor: pointer; color: #1a1206; }
.sr-yellow { background: #ffd23f; }
.sr-red { background: #ff5a5a; color: #fff; }
.sr-sev-btn[aria-pressed="false"] { opacity: 0.4; }
.sr-sev-btn[aria-pressed="true"] { border-color: rgba(255,255,255,0.85); opacity: 1; }
.sr-panel textarea { width: 100%; box-sizing: border-box; resize: none; border-radius: 10px; border: 1px solid rgba(255,255,255,0.15); background: rgba(0,0,0,0.25); color: inherit; padding: 8px; font: inherit; margin-bottom: 8px; }
.sr-actions { display: flex; justify-content: flex-end; align-items: center; gap: 12px; }
.sr-actions #sr-send { background: #5fe08a; color: #06210f; border: none; border-radius: 999px; padding: 8px 18px; font-weight: 700; cursor: pointer; }
.sr-sent { color: #5fe08a; font-weight: 600; }