:root {
    --bg: #07111f;
    --card: rgba(255,255,255,.08);
    --card2: rgba(255,255,255,.12);
    --text: #ffffff;
    --muted: #9fb0c7;
    --blue: #39a7ff;
    --green: #20d489;
    --red: #ff4d67;
    --yellow: #ffd166;
    --border: rgba(255,255,255,.12);
}

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

body {
    margin: 0;
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Tahoma, Arial, sans-serif;
    background:
        radial-gradient(circle at top right, rgba(57,167,255,.25), transparent 35%),
        radial-gradient(circle at bottom left, rgba(32,212,137,.18), transparent 35%),
        var(--bg);
    color: var(--text);
    min-height: 100vh;
}

.desktop-block { display: none; }

.app {
    width: 100%;
    max-width: 480px;
    margin: auto;
    min-height: 100vh;
    padding: 18px;
}

.header { padding: 22px 4px 14px; }

.badge {
    display: inline-flex;
    align-items: center;
    gap: 7px;
    background: rgba(57,167,255,.14);
    border: 1px solid rgba(57,167,255,.25);
    color: #bde4ff;
    padding: 8px 12px;
    border-radius: 999px;
    font-size: 12px;
    margin-bottom: 14px;
}

h1 {
    margin: 0;
    font-size: 28px;
    line-height: 1.3;
    letter-spacing: -.5px;
}

.title { margin: 0 0 10px; }
.title.small { font-size: 19px; }

.subtitle {
    color: var(--muted);
    font-size: 14px;
    line-height: 1.8;
    margin-top: 10px;
}

.card {
    background: linear-gradient(180deg, var(--card2), var(--card));
    border: 1px solid var(--border);
    border-radius: 28px;
    padding: 18px;
    box-shadow: 0 20px 80px rgba(0,0,0,.28);
    backdrop-filter: blur(18px);
    margin-top: 16px;
}

.upload-box {
    border: 1.5px dashed rgba(255,255,255,.22);
    border-radius: 24px;
    padding: 24px 14px;
    text-align: center;
    background: rgba(255,255,255,.04);
}

.icon {
    width: 62px;
    height: 62px;
    margin: 0 auto 12px;
    display: grid;
    place-items: center;
    border-radius: 22px;
    background: linear-gradient(135deg, var(--blue), #7c5cff);
    font-size: 30px;
    box-shadow: 0 10px 30px rgba(57,167,255,.35);
}

input[type="file"] { display: none; }

.file-label {
    display: block;
    padding: 14px;
    border-radius: 18px;
    background: rgba(255,255,255,.08);
    border: 1px solid var(--border);
    color: #fff;
    margin-top: 14px;
    cursor: pointer;
    font-weight: 700;
    word-break: break-word;
}

.input {
    width: 100%;
    padding: 15px;
    border-radius: 18px;
    border: 1px solid var(--border);
    background: rgba(255,255,255,.08);
    color: #fff;
    outline: none;
    font-size: 16px;
}

.input::placeholder { color: #8291a8; }

.btn {
    width: 100%;
    border: 0;
    padding: 15px 18px;
    border-radius: 19px;
    color: #fff;
    background: linear-gradient(135deg, var(--blue), #6d5cff);
    font-weight: 800;
    font-size: 16px;
    cursor: pointer;
    margin-top: 14px;
    box-shadow: 0 12px 30px rgba(57,167,255,.26);
}

.btn.green { background: linear-gradient(135deg, var(--green), #13a878); }
.btn.dark { background: rgba(255,255,255,.1); box-shadow: none; }

.notice {
    padding: 13px 14px;
    border-radius: 18px;
    font-size: 14px;
    margin-top: 14px;
    line-height: 1.7;
}

.notice.ok {
    background: rgba(32,212,137,.13);
    border: 1px solid rgba(32,212,137,.25);
    color: #b7ffdf;
}

.notice.err {
    background: rgba(255,77,103,.13);
    border: 1px solid rgba(255,77,103,.25);
    color: #ffc0ca;
}

.rules {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 9px;
    margin-top: 15px;
}

.rule {
    text-align: center;
    padding: 12px 8px;
    border-radius: 18px;
    background: rgba(255,255,255,.06);
    border: 1px solid var(--border);
    font-size: 13px;
    font-weight: 800;
}

.rule small {
    display: block;
    margin-top: 5px;
    color: var(--muted);
    font-weight: 500;
}

.file-card {
    padding: 14px;
    border-radius: 20px;
    background: rgba(255,255,255,.06);
    border: 1px solid var(--border);
    margin-top: 10px;
}

.file-top {
    display: flex;
    justify-content: space-between;
    gap: 10px;
    align-items: flex-start;
}

.file-name {
    font-size: 14px;
    font-weight: 800;
    line-height: 1.5;
    word-break: break-all;
}

.file-meta {
    color: var(--muted);
    font-size: 12px;
    margin-top: 6px;
}

.ext {
    min-width: 46px;
    height: 28px;
    border-radius: 999px;
    display: grid;
    place-items: center;
    font-size: 11px;
    font-weight: 900;
    text-transform: uppercase;
}

.ext.apk { background: rgba(32,212,137,.18); color: #7dffc5; }
.ext.ipa { background: rgba(57,167,255,.18); color: #9bd7ff; }
.ext.png { background: rgba(255,209,102,.18); color: #ffe09a; }

.actions {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 9px;
    margin-top: 12px;
}

.mini-btn {
    display: block;
    text-align: center;
    text-decoration: none;
    padding: 11px;
    border-radius: 15px;
    color: #fff;
    font-weight: 800;
    font-size: 13px;
    border: 0;
    cursor: pointer;
}

.mini-btn.open {
    background: rgba(57,167,255,.18);
    border: 1px solid rgba(57,167,255,.25);
}

.mini-btn.copy {
    background: rgba(32,212,137,.16);
    border: 1px solid rgba(32,212,137,.25);
}

.mini-btn.delete {
    background: rgba(255,77,103,.16);
    border: 1px solid rgba(255,77,103,.25);
}

.full { width: 100%; margin-top: 9px; }

.nav {
    position: sticky;
    bottom: 12px;
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 10px;
    margin-top: 18px;
}

.nav a {
    text-align: center;
    color: #fff;
    text-decoration: none;
    padding: 14px;
    border-radius: 18px;
    background: rgba(255,255,255,.1);
    border: 1px solid var(--border);
    font-weight: 800;
    backdrop-filter: blur(14px);
}

.empty {
    text-align: center;
    color: var(--muted);
    padding: 20px 8px;
    line-height: 1.8;
}

.last-link, .hidden-link {
    direction: ltr;
    text-align: left;
    background: rgba(0,0,0,.25);
    border: 1px solid var(--border);
    padding: 12px;
    border-radius: 14px;
    color: #bde4ff;
    word-break: break-all;
    font-size: 13px;
    margin-top: 10px;
}

.hidden-link { display: none; }

@media (min-width: 700px) {
    body { background: #07111f; }
    .app { display: none; }
    .desktop-block {
        display: grid;
        min-height: 100vh;
        place-items: center;
        text-align: center;
        padding: 30px;
        color: #fff;
    }
    .desktop-block div {
        max-width: 420px;
        background: rgba(255,255,255,.08);
        border: 1px solid rgba(255,255,255,.12);
        border-radius: 28px;
        padding: 28px;
    }
    .desktop-block p {
        color: #9fb0c7;
        line-height: 1.8;
    }
}