/* ============================================================
   קניות בקליק — שכבת הבסיס
   ------------------------------------------------------------
   שפה ויזואלית: "מטבח בהיר". צבע ראשי ירוק-בזיליקום, נייטרלים
   חמים (לא אפור כחלחל), פינות רכות. שונה במכוון משאר הרשת:
   כאן זה כלי בית ולא מוצר לימודי.
   ============================================================ */

:root {
  --kb-bg:        #f6f4ee;
  --kb-surface:   #ffffff;
  --kb-surface-2: #fbf9f4;
  --kb-line:      #e6e1d5;
  --kb-ink:       #23241f;
  --kb-ink-soft:  #6b6a60;

  --kb-green:     #2f7d4f;
  --kb-green-lo:  #e5f2e9;
  --kb-amber:     #c9821b;
  --kb-amber-lo:  #fdf0da;
  --kb-red:       #b5462f;
  --kb-red-lo:    #fbe6e0;
  --kb-chill:     #cfe4ee;

  --kb-r-s: 10px;
  --kb-r-m: 16px;
  --kb-r-l: 24px;

  --kb-shadow:    0 1px 2px rgba(35,36,31,.06), 0 8px 24px rgba(35,36,31,.07);
  --kb-shadow-up: 0 -6px 28px rgba(35,36,31,.12);

  --kb-safe-b: env(safe-area-inset-bottom, 0px);
}

@media (prefers-color-scheme: dark) {
  :root {
    --kb-bg:        #16171a;
    --kb-surface:   #1e2024;
    --kb-surface-2: #24272c;
    --kb-line:      #33373d;
    --kb-ink:       #eceae4;
    --kb-ink-soft:  #9b9c97;
    --kb-green-lo:  #1c3427;
    --kb-amber-lo:  #362a15;
    --kb-red-lo:    #38201a;
    --kb-chill:     #24343c;
    --kb-shadow:    0 1px 2px rgba(0,0,0,.4), 0 8px 24px rgba(0,0,0,.45);
  }
}

* { box-sizing: border-box; }

html, body {
  margin: 0; padding: 0;
  background: var(--kb-bg);
  color: var(--kb-ink);
  font-family: "Rubik", "Assistant", system-ui, -apple-system, "Segoe UI", sans-serif;
  /* גרירה מבטלת בחירת טקסט — בלי זה כל long-press במובייל
     פותח תפריט העתקה במקום להרים פריט. */
  -webkit-user-select: none; user-select: none;
  -webkit-tap-highlight-color: transparent;
  overscroll-behavior-y: contain;
}

h1, h2, h3, h4 { margin: 0 0 .3em; font-weight: 700; letter-spacing: -.01em; }
p { margin: 0 0 .6em; }
button { font: inherit; color: inherit; cursor: pointer; }

[hidden] { display: none !important; }

/* ---------- שלד ---------- */
.kb-shell {
  max-width: 1080px; margin: 0 auto;
  padding: 0 12px calc(84px + var(--kb-safe-b));
  min-height: 100dvh;
}

.kb-topbar {
  position: sticky; top: 0; z-index: 40;
  display: flex; align-items: center; gap: 10px;
  padding: 12px 4px 10px;
  background: linear-gradient(var(--kb-bg) 72%, transparent);
}
.kb-logo { display: flex; align-items: center; gap: 8px; font-weight: 800; font-size: 1.05rem; }
.kb-logo span { font-size: 1.4rem; }
.kb-topbar-spacer { flex: 1; }
.kb-who { font-size: .78rem; color: var(--kb-ink-soft); max-width: 42vw;
          overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }

.kb-icon-btn {
  border: 1px solid var(--kb-line); background: var(--kb-surface);
  border-radius: 999px; padding: 6px 12px; font-size: .8rem;
}

/* ---------- ניווט תחתון ---------- */
.kb-tabs {
  position: fixed; inset-inline: 0; bottom: 0; z-index: 50;
  display: grid; grid-template-columns: repeat(4, 1fr);
  gap: 2px; padding: 6px 8px calc(6px + var(--kb-safe-b));
  background: color-mix(in srgb, var(--kb-surface) 92%, transparent);
  backdrop-filter: blur(14px);
  border-top: 1px solid var(--kb-line);
}
.kb-tab {
  border: 0; background: none; border-radius: var(--kb-r-m);
  padding: 7px 2px 5px; display: grid; justify-items: center; gap: 2px;
  font-size: .68rem; color: var(--kb-ink-soft); transition: color .15s, background .15s;
}
.kb-tab i { font-style: normal; font-size: 1.25rem; line-height: 1; }
.kb-tab.is-active { color: var(--kb-green); background: var(--kb-green-lo); font-weight: 700; }

/* ---------- כפתורים ---------- */
.kb-btn {
  border: 1px solid var(--kb-line); background: var(--kb-surface);
  border-radius: 999px; padding: 10px 18px; font-weight: 600; font-size: .88rem;
  transition: transform .12s, background .15s;
}
.kb-btn:active { transform: scale(.97); }
.kb-btn--primary { background: var(--kb-green); border-color: var(--kb-green); color: #fff; }
.kb-btn--ghost   { background: transparent; }
.kb-btn--danger  { background: var(--kb-red-lo); border-color: transparent; color: var(--kb-red); }
.kb-btn--reward  { background: var(--kb-amber-lo); border-color: transparent; color: var(--kb-amber);
                   width: 100%; margin-top: 16px; }
.kb-link { border: 0; background: none; color: var(--kb-green); font-weight: 700;
           font-size: .82rem; padding: 2px 0; text-decoration: underline; }

.kb-fab {
  position: fixed; inset-inline-start: 16px;
  bottom: calc(74px + var(--kb-safe-b)); z-index: 45;
  width: 58px; height: 58px; border-radius: 50%; border: 0;
  background: var(--kb-green); color: #fff; font-size: 1.9rem; line-height: 1;
  box-shadow: 0 6px 20px rgba(47,125,79,.4);
  transition: transform .15s;
}
.kb-fab:active { transform: scale(.92); }
.kb-fab--list { position: fixed; }

/* ---------- טוסט ---------- */
#kbToast {
  position: fixed; inset-inline: 0; bottom: calc(88px + var(--kb-safe-b)); z-index: 90;
  margin: 0 auto; width: max-content; max-width: 88vw;
  background: var(--kb-ink); color: var(--kb-bg);
  padding: 10px 18px; border-radius: 999px; font-size: .85rem;
  opacity: 0; transform: translateY(10px); pointer-events: none;
  transition: opacity .2s, transform .2s;
}
#kbToast.is-on { opacity: 1; transform: none; }

/* ---------- מצבי ריק וספינר ---------- */
.kb-empty { text-align: center; padding: 34px 16px; color: var(--kb-ink-soft); }
.kb-empty span { font-size: 2.6rem; display: block; margin-bottom: 8px; }
.kb-empty-sub { font-size: .82rem; color: var(--kb-ink-soft); }

.kb-spinner {
  width: 26px; height: 26px; margin: 22px auto;
  border: 3px solid var(--kb-line); border-top-color: var(--kb-green);
  border-radius: 50%; animation: kb-spin .8s linear infinite;
}
@keyframes kb-spin { to { transform: rotate(360deg); } }

/* ---------- שער כניסה ---------- */
.kb-gate {
  min-height: 100dvh; display: grid; place-content: center; justify-items: center;
  gap: 14px; padding: 24px; text-align: center;
}
.kb-gate-art { font-size: 4.2rem; }
.kb-gate h1 { font-size: 1.7rem; }
.kb-gate p  { color: var(--kb-ink-soft); max-width: 30ch; }

@media (prefers-reduced-motion: reduce) {
  * { animation-duration: .001ms !important; transition-duration: .001ms !important; }
}