/* =============================================================================
   SANDIK — TAMPILAN BERSAMA HALAMAN KIOS (2026-09)
   -----------------------------------------------------------------------------
   Dipakai oleh:  perpus.php (Kios Perpustakaan)
                  kios_kesehatan/kiosuks.php (Kios Kesehatan / UKS)
                  kiosk/kioskasir.php + kiosk/login.php (Kios Kasir E-Kantin)
   Senada dengan Display Absen, Display Informasi, dan halaman login:
   teal SANDIK (#028A81 -> #06B6D4), huruf Plus Jakarta Sans, kartu putih
   bersudut besar, tombol besar untuk disentuh.

   Setiap kios memberi warna aksennya sendiri lewat --sk-aksen (ikon kepala):
   perpustakaan ungu, kesehatan merah muda, kantin jingga.
   ============================================================================= */

:root {
    --sk-teal-900: #053b37;
    --sk-teal-800: #06524c;
    --sk-teal-700: #026b64;
    --sk-teal: #028A81;
    --sk-cyan: #06B6D4;
    --sk-grad: linear-gradient(135deg, #026b64 0%, #028A81 45%, #06B6D4 100%);
    --sk-grad-gelap: radial-gradient(900px 500px at 10% -10%, #0a6b63 0%, rgba(10,107,99,0) 60%),
                     radial-gradient(800px 500px at 110% 110%, #0e7490 0%, rgba(14,116,144,0) 55%),
                     linear-gradient(160deg, #042f2c 0%, #053b37 45%, #04302d 100%);
    --sk-latar: #eef5f4;
    --sk-kartu: #ffffff;
    --sk-garis: #e2ecea;
    --sk-tinta: #0f172a;
    --sk-tinta-2: #475569;
    --sk-tinta-3: #94a3b8;
    --sk-lembut: #f1f8f7;
    --sk-bayang: 0 18px 40px -26px rgba(15, 23, 42, .38), 0 2px 6px rgba(15, 23, 42, .04);
    --sk-aksen: #028A81;
    --sk-huruf: 'Plus Jakarta Sans', system-ui, -apple-system, 'Segoe UI', Roboto, sans-serif;
}

/* ---------------------------------------------------------------- dasar */
body.sk {
    font-family: var(--sk-huruf);
    color: var(--sk-tinta);
    background: radial-gradient(900px 420px at 0% -10%, #d3f1ec 0%, rgba(211,241,236,0) 65%), var(--sk-latar);
    -webkit-font-smoothing: antialiased;
}

/* ---------------------------------------------------------------- bilah atas */
.sk-bar {
    display: flex; align-items: center; gap: 14px; flex-shrink: 0;
    padding: 12px clamp(14px, 2.4vw, 28px); padding-top: calc(12px + env(safe-area-inset-top));
    background: var(--sk-grad); color: #fff;
    box-shadow: 0 10px 30px -18px rgba(2, 107, 100, .8);
    position: relative; overflow: hidden; z-index: 20;
}
.sk-bar::after {
    content: ""; position: absolute; right: -60px; top: -120px; width: 280px; height: 280px; border-radius: 50%;
    background: radial-gradient(circle, rgba(255,255,255,.22) 0%, rgba(255,255,255,0) 70%); pointer-events: none;
}
.sk-bar-ikon {
    width: 44px; height: 44px; border-radius: 14px; flex-shrink: 0; display: grid; place-items: center;
    background: #fff; color: var(--sk-aksen); box-shadow: 0 8px 18px -10px rgba(0,0,0,.45);
}
.sk-bar-ikon .material-icons { font-size: 26px; }
.sk-bar-judul { min-width: 0; flex: 1; position: relative; z-index: 1; }
.sk-bar-judul b { display: block; font-size: clamp(15px, 1.3vw, 19px); font-weight: 800; letter-spacing: -.01em; line-height: 1.2; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.sk-bar-judul small { display: block; font-size: 12.5px; font-weight: 600; color: rgba(255,255,255,.85); white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.sk-jam {
    position: relative; z-index: 1; font-weight: 800; font-size: 15px; font-variant-numeric: tabular-nums;
    padding: 7px 14px; border-radius: 999px; background: rgba(255,255,255,.16); border: 1px solid rgba(255,255,255,.25);
}
.sk-bar-tombol {
    position: relative; z-index: 1; display: inline-flex; align-items: center; gap: 6px; height: 38px; padding: 0 14px;
    border-radius: 12px; border: 1px solid rgba(255,255,255,.28); background: rgba(255,255,255,.14); color: #fff;
    font-family: inherit; font-weight: 700; font-size: 13px; cursor: pointer;
}
.sk-bar-tombol .material-icons { font-size: 18px; }
.sk-bar-tombol:active { transform: scale(.97); }

/* ---------------------------------------------------------------- sambutan & ubin menu */
.sk-sambut { text-align: center; margin: clamp(10px, 3vh, 34px) auto clamp(14px, 3vh, 30px); max-width: 640px; }
.sk-sambut h1 { margin: 0; font-size: clamp(24px, 3vw, 38px); font-weight: 800; letter-spacing: -.03em; line-height: 1.15; color: var(--sk-tinta); }
.sk-sambut p { margin: 8px 0 0; font-size: clamp(14px, 1.2vw, 17px); color: var(--sk-tinta-2); font-weight: 500; line-height: 1.5; }
.sk-ubin-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(min(100%, 230px), 1fr)); gap: 16px; max-width: 820px; margin: 0 auto; }
.sk-ubin {
    display: flex; align-items: center; gap: 16px; text-align: left; min-width: 0;
    padding: 20px 18px; border-radius: 22px; border: 1px solid var(--sk-garis); background: var(--sk-kartu); color: var(--sk-tinta);
    box-shadow: var(--sk-bayang); cursor: pointer; font-family: inherit; transition: transform .12s ease, box-shadow .2s ease;
}
.sk-ubin:hover { box-shadow: 0 22px 40px -24px rgba(15, 23, 42, .45); }
.sk-ubin:active { transform: scale(.98); }
.sk-ubin-ikon { width: 58px; height: 58px; border-radius: 18px; flex-shrink: 0; display: grid; place-items: center; color: #fff; }
.sk-ubin-ikon .material-icons, .sk-ubin-ikon i { font-size: 30px; color: #fff; }
.sk-ubin-teks { min-width: 0; }
.sk-ubin-teks b { display: block; font-size: 17px; font-weight: 800; letter-spacing: -.01em; }
.sk-ubin-teks small { display: block; font-size: 13px; color: var(--sk-tinta-2); font-weight: 600; margin-top: 2px; line-height: 1.35; }
.sk-w-teal   { background: linear-gradient(145deg, #026b64, #028A81); box-shadow: 0 10px 20px -10px rgba(2,138,129,.8); }
.sk-w-cyan   { background: linear-gradient(145deg, #0e7490, #06B6D4); box-shadow: 0 10px 20px -10px rgba(6,182,212,.8); }
.sk-w-merah  { background: linear-gradient(145deg, #e11d48, #fb7185); box-shadow: 0 10px 20px -10px rgba(225,29,72,.7); }
.sk-w-ungu   { background: linear-gradient(145deg, #6d28d9, #8b5cf6); box-shadow: 0 10px 20px -10px rgba(124,58,237,.7); }
.sk-w-jingga { background: linear-gradient(145deg, #d97706, #fbbf24); box-shadow: 0 10px 20px -10px rgba(217,119,6,.7); }
.sk-w-biru   { background: linear-gradient(145deg, #1d4ed8, #3b82f6); box-shadow: 0 10px 20px -10px rgba(37,99,235,.7); }
.sk-ubin.mati { opacity: .38; pointer-events: none; filter: grayscale(.4); }

/* ---------------------------------------------------------------- kartu & tombol */
.sk-kartu { background: var(--sk-kartu); border: 1px solid var(--sk-garis); border-radius: 24px; box-shadow: var(--sk-bayang); }
.sk-tombol {
    display: inline-flex; align-items: center; justify-content: center; gap: 8px; min-height: 52px; padding: 0 22px;
    border: 0; border-radius: 16px; background: var(--sk-grad); color: #fff; font-family: inherit; font-weight: 800; font-size: 16px;
    cursor: pointer; box-shadow: 0 14px 26px -14px rgba(2, 138, 129, .85);
}
.sk-tombol:active { transform: scale(.98); }
.sk-tombol.sekunder { background: #fff; color: var(--sk-teal-700); border: 1.5px solid var(--sk-garis); box-shadow: none; }
.sk-kembali {
    display: inline-flex; align-items: center; gap: 6px; height: 44px; padding: 0 18px 0 12px; border-radius: 14px;
    border: 1px solid var(--sk-garis); background: #fff; color: var(--sk-tinta); font-family: inherit; font-weight: 700; font-size: 14px; cursor: pointer;
    box-shadow: 0 6px 16px -12px rgba(15,23,42,.4);
}
.sk-kembali .material-icons { font-size: 20px; color: var(--sk-teal); }

/* ---------------------------------------------------------------- layar masuk (token) & layar mulai */
.sk-layar-masuk {
    min-height: 100%; display: flex; align-items: center; justify-content: center; padding: 24px;
    background: var(--sk-grad-gelap); position: relative; overflow: hidden;
}
.sk-layar-masuk::before, .sk-layar-masuk::after {
    content: ""; position: absolute; border-radius: 50%; pointer-events: none;
    background: radial-gradient(circle, rgba(94,234,212,.22) 0%, rgba(94,234,212,0) 70%);
}
.sk-layar-masuk::before { width: 520px; height: 520px; left: -160px; top: -200px; }
.sk-layar-masuk::after { width: 420px; height: 420px; right: -140px; bottom: -160px; background: radial-gradient(circle, rgba(34,211,238,.2) 0%, rgba(34,211,238,0) 70%); }
.sk-kotak-masuk {
    position: relative; z-index: 1; width: 100%; max-width: 420px; background: #fff; border-radius: 26px; overflow: hidden;
    box-shadow: 0 30px 70px -20px rgba(0,0,0,.55);
}
.sk-kotak-masuk .sk-kepala { background: var(--sk-grad); color: #fff; padding: 28px 24px 24px; text-align: center; position: relative; }
.sk-kotak-masuk .sk-kepala .sk-bar-ikon { width: 64px; height: 64px; border-radius: 20px; margin: 0 auto 12px; }
.sk-kotak-masuk .sk-kepala .sk-bar-ikon .material-icons { font-size: 34px; }
.sk-kotak-masuk .sk-kepala h1, .sk-kotak-masuk .sk-kepala h5 { margin: 0; font-size: 21px; font-weight: 800; letter-spacing: -.02em; }
.sk-kotak-masuk .sk-kepala small, .sk-kotak-masuk .sk-kepala p { display: block; margin: 4px 0 0; font-size: 13px; opacity: .88; }
.sk-kotak-masuk .sk-isi { padding: 24px; }
.sk-input-token {
    width: 100%; height: 58px; border-radius: 16px; border: 2px solid var(--sk-garis); background: #f8fafc;
    text-align: center; font-family: inherit; font-size: 20px; font-weight: 800; letter-spacing: 3px; color: var(--sk-tinta); outline: none;
}
.sk-input-token:focus { border-color: var(--sk-teal); background: #fff; box-shadow: 0 0 0 4px rgba(2,138,129,.12); }

.sk-layar-mulai {
    position: fixed; inset: 0; z-index: 999; display: flex; flex-direction: column; align-items: center; justify-content: center;
    text-align: center; padding: 24px; color: #fff; background: var(--sk-grad-gelap);
}
.sk-layar-mulai .sk-bar-ikon { width: 88px; height: 88px; border-radius: 28px; margin-bottom: 20px; }
.sk-layar-mulai .sk-bar-ikon .material-icons { font-size: 46px; }
.sk-layar-mulai h4, .sk-layar-mulai h2 { margin: 0 0 6px; font-size: clamp(24px, 3vw, 36px); font-weight: 800; letter-spacing: -.02em; }
.sk-layar-mulai p { margin: 0 0 26px; opacity: .85; font-size: 15px; }

/* dibuka di dalam panel layar absen (sudah punya judul & tombol kembali sendiri) */
body.sk-sematkan .sk-bar { display: none; }

/* ---------------------------------------------------------------- HP */
@media (max-width: 560px) {
    .sk-bar { gap: 10px; }
    .sk-bar-ikon { width: 38px; height: 38px; border-radius: 12px; }
    .sk-bar-judul small { display: none; }
    .sk-jam { font-size: 13px; padding: 6px 10px; }
    .sk-bar-tombol { padding: 0 10px; }
    .sk-bar-tombol span.teks { display: none; }
    .sk-ubin { padding: 16px 14px; gap: 12px; border-radius: 18px; }
    .sk-ubin-ikon { width: 50px; height: 50px; border-radius: 15px; }
}
@media (prefers-reduced-motion: reduce) { .sk-ubin, .sk-tombol { transition: none; } }