:root {
    --bg: #0d0f18;
    --card: #13151f;
    --border: rgba(255,255,255,.07);
    --text: #e8ebff;
    --muted: #7e83a3;
    --accent: #7c6cff;
    --accent2: #5b4bdb;
    --green: #00d1b2;
    --danger: #ff5e7a;
    --radius: 12px;
}

* { margin:0; padding:0; box-sizing:border-box; }
html, body {
    background: var(--bg);
    color: var(--text);
    font: 14px/1.5 -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Arial, sans-serif;
    min-height: 100vh;
}

/* ---- header ---- */
header {
    display: flex; align-items: center; justify-content: space-between;
    padding: 18px 28px;
    border-bottom: 1px solid var(--border);
    background: var(--card);
}
header h1 { font-size: 20px; font-weight: 750; letter-spacing: .3px; }
header h1 span { color: var(--accent); }
.header-right { display: flex; align-items: center; gap: 14px; }
#userLabel { color: var(--muted); font-size: 13px; }

/* ---- cards ---- */
.card {
    background: var(--card);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 28px;
    max-width: 440px;
    margin: 60px auto;
}
.card h2 { font-size: 18px; margin-bottom: 4px; }
.sub { color: var(--muted); font-size: 13px; margin-bottom: 20px; }

/* ---- tabs ---- */
#authTabs { display: flex; gap: 0; margin-bottom: 18px; border-radius: 9px; overflow: hidden; border: 1px solid var(--border); }
.tab {
    flex: 1; padding: 9px 0; text-align: center; cursor: pointer;
    background: transparent; color: var(--muted); border: 0; font: 13px/1 inherit; transition: .15s;
}
.tab.active { background: var(--accent); color: #fff; }

/* ---- forms ---- */
input {
    width: 100%; padding: 11px 13px; margin-bottom: 10px;
    border: 1px solid var(--border); border-radius: 9px;
    background: rgba(255,255,255,.04); color: var(--text);
    font: 13px/1 inherit; outline: none; transition: border .15s;
}
input:focus { border-color: var(--accent); }

.btn, .ghost {
    padding: 11px 18px; border: 0; border-radius: 9px; cursor: pointer;
    font: 600 13px/1 inherit; letter-spacing: .2px; transition: .15s;
}
.btn {
    background: linear-gradient(135deg, var(--accent), var(--accent2));
    color: #fff; box-shadow: 0 4px 16px rgba(124,108,255,.28);
}
.btn:hover { filter: brightness(1.1); }
.btn:active { transform: scale(.97); }
.btn.danger { background: linear-gradient(135deg, #ff5e7a, #d63e5b); box-shadow: 0 4px 16px rgba(255,94,122,.28); }
.ghost { background: rgba(255,255,255,.06); color: var(--muted); }
.ghost:hover { background: rgba(255,255,255,.1); }

/* ---- platform rows + per-platform settings ---- */
.section-label { display: block; font-size: 11px; color: var(--muted); text-transform: uppercase; letter-spacing: .1em; margin: 8px 0 10px; }
#platformChecks { display: flex; flex-direction: column; gap: 8px; margin-bottom: 18px; }
.prow { display: flex; align-items: center; gap: 10px; flex-wrap: wrap; }
.pcheck { display: flex; align-items: center; gap: 8px; font-size: 13px; color: var(--text); cursor: pointer; user-select: none; min-width: 128px; }
.pcheck.mini { min-width: 0; font-size: 12px; color: var(--muted); }
.pcheck input { width: auto; margin: 0; accent-color: var(--accent); cursor: pointer; }
.pconf { flex: 1; min-width: 110px; margin: 0 !important; padding: 7px 10px; font-size: 12px; }

/* ---- error ---- */
.error { color: var(--danger); font-size: 12px; margin-top: 8px; min-height: 16px; }
#captcha { margin: 4px 0 12px; min-height: 65px; }

/* ---- dashboard ---- */
#dashboard { max-width: 900px; margin: 0 auto; padding: 28px; }
.toolbar { display: flex; align-items: center; justify-content: space-between; margin-bottom: 20px; }
.toolbar h2 { font-size: 18px; }

#gameList { display: grid; grid-template-columns: repeat(auto-fill, minmax(280px, 1fr)); gap: 16px; }

.game-card {
    background: var(--card); border: 1px solid var(--border); border-radius: var(--radius);
    padding: 20px; display: flex; flex-direction: column; gap: 10px;
}
.game-card h3 { font-size: 16px; }
.game-card .desc { color: var(--muted); font-size: 12px; flex: 1; }

/* ---- card header + actions ---- */
.game-head { display: flex; align-items: flex-start; justify-content: space-between; gap: 8px; }
.card-actions { display: flex; gap: 6px; flex-shrink: 0; }
.icon-btn {
    width: 30px; height: 30px; border-radius: 7px; cursor: pointer;
    border: 1px solid var(--border); background: rgba(255,255,255,.04); color: var(--muted);
    font-size: 15px; line-height: 1; transition: .15s; display: flex; align-items: center; justify-content: center;
}
.icon-btn:hover { background: rgba(124,108,255,.15); border-color: var(--accent); color: var(--text); }
.icon-btn.del:hover { background: rgba(255,94,122,.15); border-color: var(--danger); color: var(--danger); }

/* ---- platform badges ---- */
.badges { display: flex; flex-wrap: wrap; gap: 6px; }
.badge {
    font-size: 10px; font-weight: 600; letter-spacing: .04em; text-transform: uppercase;
    padding: 3px 8px; border-radius: 999px; background: rgba(124,108,255,.14);
    color: #b7aeff; border: 1px solid rgba(124,108,255,.25);
}
.badge.empty { background: rgba(255,255,255,.05); color: var(--muted); border-color: var(--border); }

/* ---- usdkCoins usage bar ---- */
.account-usage {
    background: var(--card); border: 1px solid var(--border); border-radius: var(--radius);
    padding: 16px 18px; margin-bottom: 18px;
}
.usage { margin: 2px 0 2px; }
.usage-top { display: flex; justify-content: space-between; font-size: 11px; color: var(--muted); margin-bottom: 5px; letter-spacing: .02em; }
.usage-bar { height: 7px; border-radius: 999px; background: rgba(255,255,255,.07); overflow: hidden; }
.usage-fill { height: 100%; border-radius: 999px; transition: width .4s ease; background: linear-gradient(90deg, #7c6cff, #00d1b2); }
.usage-fill.warn { background: linear-gradient(90deg, #ffb347, #ffd45e); }
.usage-fill.over { background: linear-gradient(90deg, #ff5e7a, #d63e5b); }
.usage-note { display: block; font-size: 11px; margin-top: 6px; line-height: 1.4; }
.usage-note.warn { color: #ffd45e; }
.usage-note.over { color: #ff8098; }

.field { display: flex; align-items: center; gap: 8px; }
.field label { font-size: 11px; color: var(--muted); text-transform: uppercase; letter-spacing: .1em; width: 50px; flex-shrink: 0; }
.field code {
    flex: 1; padding: 6px 9px; border-radius: 6px;
    background: rgba(255,255,255,.05); border: 1px solid var(--border);
    font: 600 12px/1.3 "SF Mono", "Fira Code", monospace; overflow: hidden;
    text-overflow: ellipsis; white-space: nowrap; user-select: all;
}
.field button {
    padding: 5px 10px; font: 600 11px/1 inherit; border: 1px solid var(--border);
    border-radius: 6px; background: rgba(255,255,255,.05); color: var(--muted); cursor: pointer;
}
.field button:hover { background: rgba(255,255,255,.12); color: var(--text); }
.field button.copied { background: var(--green); border-color: var(--green); color: #000; }

/* ---- modal ---- */
.modal {
    position: fixed; inset: 0; z-index: 999;
    display: flex; align-items: center; justify-content: center;
    background: rgba(0,0,0,.65); backdrop-filter: blur(4px);
    padding: 16px; overflow-y: auto;
}
.modal-card {
    background: var(--card); border: 1px solid var(--border); border-radius: var(--radius);
    padding: 26px; width: min(400px, 100%); max-height: 92vh; overflow-y: auto; margin: auto;
}
.modal-card h2 { margin-bottom: 16px; font-size: 17px; }
.modal-actions { display: flex; gap: 8px; margin-top: 6px; }

/* ---- toast ---- */
#toast {
    position: fixed; bottom: 24px; left: 50%; transform: translateX(-50%);
    background: var(--card); color: var(--text); border: 1px solid var(--border);
    border-radius: var(--radius); padding: 11px 18px; font-size: 13px;
    box-shadow: 0 8px 28px rgba(0,0,0,.5); opacity: 0; pointer-events: none;
    transition: opacity .25s; z-index: 9999; max-width: 90vw; text-align: center;
}
#toast.show { opacity: 1; }

/* ============ MOBILE (phones/tablets) ============ */
@media (max-width: 640px) {
    header { padding: 14px 16px; }
    header h1 { font-size: 18px; }
    #userLabel { font-size: 12px; max-width: 42vw; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }

    .card { margin: 28px 16px; padding: 22px 18px; }

    #dashboard { padding: 18px 14px; }
    .toolbar { margin-bottom: 16px; }
    .toolbar h2 { font-size: 16px; }

    /* single-column game list */
    #gameList { grid-template-columns: 1fr; gap: 12px; }
    .game-card { padding: 16px; }

    /* comfortable tap targets */
    .btn, .ghost { padding: 13px 18px; }
    .icon-btn { width: 34px; height: 34px; }
    .field code { font-size: 11px; }
    .field button { padding: 8px 10px; }

    /* stack platform row settings under each platform */
    .pcheck { min-width: 120px; }
    .pconf { flex-basis: 100%; }

    .modal-card { padding: 20px 16px; }
    .modal-actions { flex-direction: column-reverse; }
    .modal-actions .btn, .modal-actions .ghost { width: 100%; }
}

/* prevent iOS zoom-on-focus (needs >=16px font on inputs) */
@media (max-width: 640px) and (pointer: coarse) {
    input { font-size: 16px; }
    .pconf { font-size: 16px; }
}