/* ====================================================================
   Layar kasir — mobile-first, berdiri sendiri (tidak memakai app.css).
   Dirancang untuk layar HP yang dipegang satu tangan: target sentuh
   besar, aksi utama selalu di bawah dalam jangkauan jempol.
   ==================================================================== */

/* Palet diambil dari logo sekolah: magenta #D80078 + biru langit #00A8F0. */
:root {
    --k-primer: #e11d74;
    --k-primer-gelap: #c01560;
    --k-primer-muda: #fde8f1;
    --k-bg: #f6f3f4;
    --k-panel: #ffffff;
    --k-teks: #241f22;
    --k-teks-muda: #6f6a6d;
    --k-garis: #e7e3e5;
    /* Lebih gelap dari warna utama supaya peringatan tetap terbaca
       sebagai peringatan, bukan sekadar aksen merah muda. */
    --k-merah: #a11d1d;
}

* { box-sizing: border-box; -webkit-tap-highlight-color: transparent; }

body {
    margin: 0;
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
    background: var(--k-bg);
    color: var(--k-teks);
    font-size: 15px;
    overscroll-behavior: none;
}

button { font: inherit; cursor: pointer; }

/* ---------------- Topbar ---------------- */
.k-topbar {
    position: sticky;
    top: 0;
    z-index: 20;
    background: var(--k-primer);
    color: #fff;
    padding: 0.85rem 1rem;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 0.75rem;
}

.k-topbar .k-outlet { line-height: 1.2; }
.k-topbar .k-outlet strong { display: block; font-size: 1rem; }
.k-topbar .k-outlet small { opacity: 0.85; font-size: 0.78rem; }

.k-topbar-aksi { display: flex; align-items: center; gap: 0.5rem; }

.k-btn-ikon {
    background: rgba(255,255,255,0.18);
    border: none;
    color: #fff;
    width: 38px;
    height: 38px;
    border-radius: 10px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    text-decoration: none;
}

/* ---------------- Layar PIN ---------------- */
.k-pin-wrap {
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    background: var(--k-panel);
}

.k-pin-header {
    background: var(--k-primer);
    color: #fff;
    text-align: center;
    padding: 1.4rem 1rem;
    font-weight: 700;
    font-size: 1.15rem;
    letter-spacing: 0.02em;
}

.k-pin-isi { padding: 1.25rem 1.25rem 2rem; flex: 1; display: flex; flex-direction: column; }

.k-pin-isi select {
    width: 100%;
    padding: 0.9rem 0.8rem;
    border: 1px solid var(--k-garis);
    border-radius: 12px;
    font-size: 1rem;
    background: var(--k-panel);
    color: var(--k-teks);
}

.k-dots { display: flex; justify-content: center; gap: 0.85rem; margin: 2rem 0 0.9rem; }

.k-dot {
    width: 13px;
    height: 13px;
    border-radius: 50%;
    background: #d5dbe0;
    transition: background 0.12s;
}

.k-dot.isi { background: var(--k-primer); }

.k-pin-info { text-align: center; color: var(--k-teks-muda); font-size: 0.88rem; }

.k-keypad {
    margin-top: auto;
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 0.6rem;
    padding-top: 1.5rem;
}

.k-keypad button {
    background: none;
    border: none;
    font-size: 1.9rem;
    padding: 0.85rem 0;
    border-radius: 14px;
    color: var(--k-teks);
}

.k-keypad button:active { background: var(--k-primer-muda); }

.k-alert {
    background: #fef2f2;
    color: var(--k-merah);
    padding: 0.7rem 0.9rem;
    border-radius: 10px;
    font-size: 0.88rem;
    margin-bottom: 1rem;
}

.k-alert-sukses { background: var(--k-primer-muda); color: var(--k-primer-gelap); }

/* ---------------- Filter & pencarian ---------------- */
.k-filter {
    position: sticky;
    top: 62px;
    z-index: 15;
    background: var(--k-bg);
    padding: 0.7rem 0.9rem;
    display: flex;
    gap: 0.5rem;
    align-items: center;
    border-bottom: 1px solid var(--k-garis);
}

.k-filter select,
.k-filter input {
    padding: 0.6rem 0.7rem;
    border: 1px solid var(--k-garis);
    border-radius: 10px;
    font-size: 0.9rem;
    background: var(--k-panel);
    min-width: 0;
}

.k-filter select { flex: 0 1 42%; }
.k-filter input { flex: 1 1 auto; width: 100%; }

/* ---------------- Grid produk ---------------- */
.k-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(105px, 1fr));
    gap: 0.7rem;
    padding: 0.9rem;
    padding-bottom: 7rem; /* ruang untuk bilah keranjang */
}

.k-kartu {
    background: var(--k-panel);
    border: 1px solid var(--k-garis);
    border-radius: 12px;
    overflow: hidden;
    text-align: left;
    padding: 0;
    display: flex;
    flex-direction: column;
    position: relative;
}

.k-kartu:active { border-color: var(--k-primer); }

.k-kartu-gambar {
    aspect-ratio: 1 / 1;
    background: #fbe4ef;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 700;
    font-size: 1.5rem;
    color: #c98aa8;
    position: relative;
}

.k-kartu.terpilih .k-kartu-gambar { background: var(--k-primer); color: #fff; }

.k-kartu-stok {
    position: absolute;
    top: 6px;
    left: 6px;
    background: rgba(0,0,0,0.35);
    color: #fff;
    font-size: 0.68rem;
    padding: 0.1rem 0.35rem;
    border-radius: 5px;
}

.k-kartu-stok.habis { background: var(--k-merah); }

.k-kartu-jumlah {
    position: absolute;
    inset: 0;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 2rem;
    font-weight: 700;
    color: #fff;
}

.k-kartu-isi { padding: 0.5rem 0.55rem 0.65rem; }
.k-kartu-nama { font-size: 0.8rem; line-height: 1.25; margin-bottom: 0.25rem; }
.k-kartu-satuan { font-size: 0.7rem; color: var(--k-teks-muda); }
.k-kartu-harga { font-size: 0.82rem; color: var(--k-teks-muda); margin-top: 0.15rem; }

.k-kosong { padding: 3rem 1rem; text-align: center; color: var(--k-teks-muda); }

/* ---------------- Bilah keranjang bawah ---------------- */
.k-bar {
    position: fixed;
    left: 0;
    right: 0;
    bottom: 0;
    z-index: 25;
    background: var(--k-panel);
    border-top: 1px solid var(--k-garis);
    padding: 0.7rem 0.9rem calc(0.7rem + env(safe-area-inset-bottom));
    display: flex;
    align-items: center;
    gap: 0.7rem;
}

.k-bar-info { flex: 1; line-height: 1.25; }
.k-bar-info small { color: var(--k-teks-muda); font-size: 0.78rem; display: block; }
.k-bar-info strong { font-size: 1.05rem; }

.k-btn {
    background: var(--k-primer);
    color: #fff;
    border: none;
    border-radius: 12px;
    padding: 0.85rem 1.3rem;
    font-size: 0.95rem;
    font-weight: 600;
}

.k-btn:disabled { background: #dccdd5; }
.k-btn-putih { background: var(--k-panel); color: var(--k-teks); border: 1px solid var(--k-garis); }
.k-btn-blok { width: 100%; display: block; }

/* ---------------- Panel geser (keranjang & bayar) ---------------- */
.k-sheet-tirai {
    position: fixed;
    inset: 0;
    background: rgba(15, 23, 30, 0.45);
    z-index: 30;
    display: none;
}

.k-sheet-tirai.tampil { display: block; }

.k-sheet {
    position: fixed;
    left: 0;
    right: 0;
    bottom: 0;
    z-index: 31;
    background: var(--k-panel);
    border-radius: 16px 16px 0 0;
    max-height: 88vh;
    display: none;
    flex-direction: column;
    padding-bottom: env(safe-area-inset-bottom);
}

.k-sheet.tampil { display: flex; }

.k-sheet-kepala {
    padding: 0.9rem 1rem;
    border-bottom: 1px solid var(--k-garis);
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.k-sheet-kepala h2 { margin: 0; font-size: 1rem; }

.k-sheet-tutup {
    background: none;
    border: none;
    font-size: 1.5rem;
    line-height: 1;
    color: var(--k-teks-muda);
    padding: 0 0.3rem;
}

.k-sheet-isi { overflow-y: auto; padding: 0.5rem 1rem 1rem; flex: 1; }
.k-sheet-kaki { border-top: 1px solid var(--k-garis); padding: 0.85rem 1rem; }

/* ---------------- Baris keranjang ---------------- */
.k-item {
    display: flex;
    align-items: center;
    gap: 0.7rem;
    padding: 0.7rem 0;
    border-bottom: 1px solid var(--k-garis);
}

.k-item:last-child { border-bottom: none; }
.k-item-info { flex: 1; min-width: 0; }
.k-item-nama { font-size: 0.9rem; margin-bottom: 0.15rem; }
.k-item-harga { font-size: 0.78rem; color: var(--k-teks-muda); }

.k-stepper { display: flex; align-items: center; gap: 0.55rem; }

.k-stepper button {
    width: 34px;
    height: 34px;
    border-radius: 9px;
    border: 1px solid var(--k-garis);
    background: var(--k-panel);
    font-size: 1.2rem;
    line-height: 1;
    color: var(--k-primer);
}

.k-stepper .k-qty { min-width: 26px; text-align: center; font-weight: 600; }

.k-item-subtotal { min-width: 82px; text-align: right; font-size: 0.88rem; }

/* ---------------- Layar bayar ---------------- */
.k-total-besar { text-align: center; padding: 0.5rem 0 1rem; }
.k-total-besar small { color: var(--k-teks-muda); font-size: 0.82rem; display: block; }
.k-total-besar strong { font-size: 2rem; }

.k-metode { display: flex; gap: 0.5rem; margin-bottom: 1rem; flex-wrap: wrap; }

.k-metode button {
    flex: 1 1 auto;
    padding: 0.65rem 0.5rem;
    border-radius: 10px;
    border: 1px solid var(--k-garis);
    background: var(--k-panel);
    font-size: 0.88rem;
}

.k-metode button.aktif {
    background: var(--k-primer);
    border-color: var(--k-primer);
    color: #fff;
}

.k-label { font-size: 0.82rem; color: var(--k-teks-muda); margin-bottom: 0.3rem; display: block; }

/* Pilihan metode berbentuk tombol. Murni CSS (:checked) supaya status
   terpilih tetap terlihat walau JavaScript gagal dimuat. */
.k-pilihan-metode { display: flex; gap: 0.5rem; }
.k-pilihan-metode label { flex: 1; }
.k-pilihan-metode input { position: absolute; opacity: 0; pointer-events: none; }

.k-pilihan-metode span {
    display: block;
    text-align: center;
    padding: 0.65rem 0.5rem;
    border: 1px solid var(--k-garis);
    border-radius: 10px;
    font-size: 0.9rem;
}

.k-pilihan-metode input:checked + span {
    background: var(--k-primer);
    border-color: var(--k-primer);
    color: #fff;
}

.k-input {
    width: 100%;
    padding: 0.8rem;
    border: 1px solid var(--k-garis);
    border-radius: 10px;
    font-size: 1.1rem;
    text-align: right;
    margin-bottom: 0.75rem;
}

.k-cepat { display: grid; grid-template-columns: repeat(2, 1fr); gap: 0.5rem; margin-bottom: 1rem; }

.k-cepat button {
    padding: 0.7rem 0.4rem;
    border-radius: 10px;
    border: 1px solid var(--k-garis);
    background: #faf5f6;
    font-size: 0.88rem;
}

.k-baris-hitung {
    display: flex;
    justify-content: space-between;
    padding: 0.35rem 0;
    font-size: 0.92rem;
}

.k-baris-hitung.tebal { font-weight: 700; font-size: 1.05rem; border-top: 1px solid var(--k-garis); padding-top: 0.6rem; margin-top: 0.3rem; }

/* ---------------- Struk ---------------- */
.k-struk-wrap { padding: 1.1rem; padding-bottom: 6rem; }

.k-struk-sukses { text-align: center; padding: 1.5rem 0 1rem; }

.k-struk-centang {
    width: 58px;
    height: 58px;
    border-radius: 50%;
    background: var(--k-primer);
    color: #fff;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    font-size: 2rem;
    margin-bottom: 0.6rem;
}

.k-struk-kartu {
    background: var(--k-panel);
    border: 1px solid var(--k-garis);
    border-radius: 14px;
    padding: 1.1rem;
    margin-bottom: 1rem;
}

.k-struk-judul { text-align: center; margin-bottom: 0.9rem; }
.k-struk-judul strong { display: block; font-size: 1rem; }
/* block: tiap keterangan di baris sendiri, tidak menyambung jadi satu paragraf */
.k-struk-judul small { display: block; color: var(--k-teks-muda); font-size: 0.8rem; line-height: 1.5; }

.k-struk-baris {
    display: flex;
    justify-content: space-between;
    gap: 0.6rem;
    padding: 0.35rem 0;
    font-size: 0.9rem;
}

.k-struk-garis { border-top: 1px dashed var(--k-garis); margin: 0.7rem 0; }

@media print {
    .k-topbar, .k-bar, .k-struk-sukses { display: none !important; }
    body { background: #fff; }
    .k-struk-wrap { padding: 0; }
    .k-struk-kartu { border: none; }
}

/* ---------------- Layar lebar (tablet/desktop) ---------------- */
@media (min-width: 720px) {
    .k-grid { grid-template-columns: repeat(auto-fill, minmax(150px, 1fr)); }
    .k-sheet { left: 50%; right: auto; transform: translateX(-50%); width: 560px; border-radius: 16px 16px 0 0; }
    .k-struk-wrap { max-width: 560px; margin: 0 auto; }
}