:root {
    color-scheme: dark;
    --bg: #041026;
    --panel: rgba(9, 28, 59, .88);
    --panel-2: rgba(15, 42, 82, .82);
    --line: rgba(154, 190, 255, .18);
    --text: #f4f8ff;
    --muted: #9cb1d1;
    --accent: #4ec5ff;
    --accent-2: #3975ff;
    --success: #31d08b;
    --warning: #ffc857;
    --danger: #ff6b7a;
    --shadow: 0 30px 80px rgba(0, 0, 0, .38);
}
* { box-sizing: border-box; }
html { min-height: 100%; background: var(--bg); }
body {
    margin: 0;
    min-height: 100vh;
    font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
    color: var(--text);
    background:
        radial-gradient(circle at 10% 0%, rgba(57,117,255,.28), transparent 35%),
        radial-gradient(circle at 95% 15%, rgba(78,197,255,.18), transparent 28%),
        linear-gradient(160deg, #020817 0%, #07152f 56%, #061128 100%);
}
body::before {
    content: "";
    position: fixed;
    inset: 0;
    pointer-events: none;
    background-image: linear-gradient(rgba(255,255,255,.018) 1px, transparent 1px), linear-gradient(90deg, rgba(255,255,255,.018) 1px, transparent 1px);
    background-size: 28px 28px;
    mask-image: linear-gradient(to bottom, rgba(0,0,0,.65), transparent 78%);
}
.page-shell {
    width: min(920px, calc(100% - 28px));
    margin: 0 auto;
    padding: max(28px, env(safe-area-inset-top)) 0 max(42px, env(safe-area-inset-bottom));
}
.hero-card, .result-card, .message {
    border: 1px solid var(--line);
    box-shadow: var(--shadow);
    backdrop-filter: blur(18px);
}
.hero-card {
    position: relative;
    overflow: hidden;
    padding: clamp(24px, 5vw, 46px);
    border-radius: 28px;
    background: linear-gradient(145deg, rgba(10,31,67,.94), rgba(7,22,50,.83));
}
.hero-card::after {
    content: "";
    position: absolute;
    width: 230px;
    height: 230px;
    right: -95px;
    top: -100px;
    border-radius: 50%;
    background: radial-gradient(circle, rgba(78,197,255,.28), transparent 68%);
}
.brand-mark {
    display: inline-grid;
    place-items: center;
    width: 58px;
    height: 58px;
    border-radius: 18px;
    background: linear-gradient(135deg, var(--accent), var(--accent-2));
    color: #041026;
    font-weight: 900;
    letter-spacing: -.06em;
    box-shadow: 0 12px 34px rgba(57,117,255,.33);
}
.eyebrow {
    margin: 22px 0 5px;
    color: var(--accent);
    font-size: .82rem;
    font-weight: 800;
    letter-spacing: .12em;
    text-transform: uppercase;
}
h1 { margin: 0; font-size: clamp(2rem, 7vw, 3.6rem); line-height: 1.04; letter-spacing: -.05em; }
.lead { max-width: 650px; margin: 16px 0 28px; color: var(--muted); font-size: 1.03rem; line-height: 1.65; }
.status-form label { display: block; margin-bottom: 9px; font-size: .9rem; font-weight: 750; }
.input-row { display: grid; grid-template-columns: minmax(0, 1fr) auto; gap: 10px; }
input, button { min-height: 54px; border-radius: 15px; font: inherit; }
input {
    min-width: 0;
    border: 1px solid rgba(157,192,255,.28);
    outline: none;
    background: rgba(2,11,29,.72);
    color: var(--text);
    padding: 0 17px;
    font-weight: 700;
    letter-spacing: .03em;
}
input:focus { border-color: var(--accent); box-shadow: 0 0 0 4px rgba(78,197,255,.12); }
button {
    position: relative;
    border: 0;
    cursor: pointer;
    padding: 0 24px;
    background: linear-gradient(135deg, var(--accent), #6c8cff);
    color: #041026;
    font-weight: 850;
    box-shadow: 0 12px 28px rgba(57,117,255,.27);
}
button:disabled { cursor: wait; opacity: .7; }
.spinner { display: none; width: 19px; height: 19px; border: 3px solid rgba(4,16,38,.28); border-top-color: #041026; border-radius: 50%; animation: spin .7s linear infinite; }
button.loading .button-text { display: none; }
button.loading .spinner { display: inline-block; }
@keyframes spin { to { transform: rotate(360deg); } }
.privacy-note { margin: 14px 0 0; color: #7f96b9; font-size: .79rem; }
.message { margin-top: 18px; padding: 16px 18px; border-radius: 16px; background: rgba(95,20,34,.75); color: #ffd9de; }
.message.success { background: rgba(14,75,54,.78); color: #d8ffef; }
.result-card { margin-top: 20px; padding: clamp(20px, 4vw, 34px); border-radius: 26px; background: var(--panel); }
.result-header { display: flex; align-items: center; justify-content: space-between; gap: 16px; }
.result-label { margin: 0 0 5px; color: var(--muted); font-size: .77rem; text-transform: uppercase; letter-spacing: .1em; }
h2 { margin: 0; font-size: clamp(1.35rem, 5vw, 2.15rem); overflow-wrap: anywhere; }
.status-badge { flex: none; padding: 9px 13px; border-radius: 999px; font-size: .78rem; font-weight: 900; background: rgba(147,163,188,.18); color: #d9e2ef; }
.status-badge.active { background: rgba(49,208,139,.17); color: #78f2bd; }
.status-badge.not_used { background: rgba(78,197,255,.16); color: #91deff; }
.status-badge.expired, .status-badge.disabled, .status-badge.cancelled { background: rgba(255,107,122,.16); color: #ff9daa; }
.status-badge.quota_exhausted { background: rgba(255,200,87,.16); color: #ffdb8c; }
.offline-note { margin-top: 18px; padding: 12px 14px; border-radius: 13px; background: rgba(255,200,87,.10); border: 1px solid rgba(255,200,87,.20); color: #ffe0a0; font-size: .88rem; }
.countdown-panel { margin: 22px 0; padding: 20px; border-radius: 19px; background: linear-gradient(135deg, rgba(57,117,255,.18), rgba(78,197,255,.08)); border: 1px solid rgba(78,197,255,.22); }
.countdown-panel span, .countdown-panel small { display: block; color: var(--muted); }
.countdown-panel strong { display: block; margin: 7px 0; font-size: clamp(1.5rem, 5vw, 2.45rem); letter-spacing: -.04em; }
.detail-grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 11px; }
.detail-grid article { min-width: 0; padding: 15px; border-radius: 15px; background: var(--panel-2); border: 1px solid rgba(154,190,255,.10); }
.detail-grid span { display: block; margin-bottom: 6px; color: var(--muted); font-size: .78rem; }
.detail-grid strong { display: block; font-size: .96rem; overflow-wrap: anywhere; }
.result-footer { margin-top: 18px; color: #7f96b9; font-size: .78rem; text-align: right; }
[hidden] { display: none !important; }
@media (max-width: 620px) {
    .page-shell { width: min(100% - 18px, 920px); padding-top: 12px; }
    .hero-card { border-radius: 21px; }
    .input-row { grid-template-columns: 1fr; }
    button { width: 100%; }
    .result-header { align-items: flex-start; flex-direction: column; }
    .detail-grid { grid-template-columns: 1fr; }
    .result-footer { text-align: left; }
}
@media (prefers-reduced-motion: reduce) {
    * { scroll-behavior: auto !important; animation-duration: .001ms !important; }
}

/* Status layout v1.1.0 */
.status-section {
    margin-top: 18px;
    overflow: hidden;
    border: 1px solid rgba(154,190,255,.13);
    border-radius: 18px;
    background: rgba(10, 31, 67, .56);
}
.status-section h3 {
    margin: 0;
    padding: 15px 17px;
    border-bottom: 1px solid rgba(154,190,255,.13);
    background: rgba(57,117,255,.10);
    font-size: 1rem;
    letter-spacing: -.01em;
}
.status-list {
    margin: 0;
}
.status-row {
    display: grid;
    grid-template-columns: minmax(145px, .85fr) minmax(0, 1.35fr);
    align-items: center;
    gap: 16px;
    min-height: 54px;
    padding: 13px 17px;
    border-bottom: 1px solid rgba(154,190,255,.09);
}
.status-row:last-child {
    border-bottom: 0;
}
.status-row dt {
    color: var(--muted);
    font-size: .84rem;
}
.status-row dd {
    min-width: 0;
    margin: 0;
    color: var(--text);
    font-weight: 800;
    text-align: right;
    overflow-wrap: anywhere;
}
.status-row-emphasis dd {
    color: #91deff;
    font-size: 1.03rem;
}
.login-online,
.login-offline {
    display: inline-flex;
    justify-self: end;
    align-items: center;
    width: fit-content;
    padding: 7px 11px;
    border-radius: 999px;
    font-size: .82rem;
    font-weight: 900;
}
.login-online {
    background: rgba(49,208,139,.17);
    color: #78f2bd !important;
}
.login-offline {
    background: rgba(147,163,188,.16);
    color: #c5d0df !important;
}
@media (max-width: 620px) {
    .status-row {
        grid-template-columns: 1fr;
        gap: 5px;
        align-items: start;
    }
    .status-row dd {
        text-align: left;
    }
    .login-online,
    .login-offline {
        justify-self: start;
    }
}