:root {
    color-scheme: dark;
    --ink: #eef8ff;
    --muted: #91a8b8;
    --surface: #07141f;
    --surface-2: #0b1d2b;
    --panel: rgba(13, 34, 48, .86);
    --line: rgba(159, 207, 229, .14);
    --cyan: #5fe3ff;
    --green: #45efaa;
    --danger: #ff7d88;
    --warning: #ffd166;
    --shadow: 0 28px 70px rgba(0, 0, 0, .3);
    font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
    font-synthesis: none;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body { margin: 0; min-width: 320px; background: var(--surface); color: var(--ink); }
body::before {
    position: fixed;
    inset: 0;
    pointer-events: none;
    content: "";
    background-image: linear-gradient(rgba(95, 227, 255, .035) 1px, transparent 1px), linear-gradient(90deg, rgba(95, 227, 255, .035) 1px, transparent 1px);
    background-size: 56px 56px;
    mask-image: linear-gradient(to bottom, #000, transparent 80%);
}

a { color: inherit; text-decoration: none; }
button, input, select, textarea { font: inherit; }
button, select { cursor: pointer; }
:focus-visible { outline: 3px solid rgba(95, 227, 255, .55); outline-offset: 3px; }

.brand { display: inline-flex; align-items: center; gap: 12px; min-width: max-content; }
.brand-mark {
    display: grid;
    width: 43px;
    height: 43px;
    place-items: center;
    border: 1px solid rgba(95, 227, 255, .48);
    border-radius: 13px;
    background: linear-gradient(145deg, rgba(95, 227, 255, .2), rgba(69, 239, 170, .08));
    box-shadow: inset 0 0 24px rgba(95, 227, 255, .12), 0 0 28px rgba(95, 227, 255, .12);
    color: var(--cyan);
    font-weight: 900;
    letter-spacing: -.05em;
}
.brand > span:last-child { display: flex; flex-direction: column; line-height: 1; }
.brand strong { font-size: 15px; letter-spacing: -.02em; }
.brand small { margin-top: 5px; color: var(--green); font-size: 8px; font-weight: 900; letter-spacing: .28em; }

.public-header {
    position: relative;
    z-index: 2;
    display: grid;
    grid-template-columns: 1fr auto 1fr;
    align-items: center;
    max-width: 1280px;
    margin: 0 auto;
    padding: 24px 32px;
    border-bottom: 1px solid var(--line);
}
.public-header nav { display: flex; gap: 30px; color: var(--muted); font-size: 13px; }
.public-header nav a:hover, .text-link:hover { color: var(--cyan); }
.header-action { justify-self: end; padding: 10px 16px; border: 1px solid var(--line); border-radius: 999px; font-size: 13px; font-weight: 700; }

.public-hero {
    position: relative;
    z-index: 1;
    display: grid;
    grid-template-columns: minmax(0, 1.25fr) minmax(330px, .75fr);
    gap: 70px;
    align-items: center;
    max-width: 1280px;
    min-height: 700px;
    margin: 0 auto;
    padding: 90px 32px 110px;
}
.public-hero::after { position: absolute; z-index: -1; right: 4%; width: 380px; height: 380px; border-radius: 50%; background: rgba(95, 227, 255, .08); filter: blur(90px); content: ""; }
.eyebrow { margin: 0 0 16px; color: var(--green); font-size: 11px; font-weight: 900; letter-spacing: .22em; text-transform: uppercase; }
.hero-copy h1 { margin: 0; max-width: 780px; font-size: clamp(48px, 6.4vw, 88px); line-height: .98; letter-spacing: -.065em; }
.hero-copy h1 span { color: var(--cyan); }
.hero-copy > p:not(.eyebrow) { max-width: 650px; margin: 30px 0; color: var(--muted); font-size: 18px; line-height: 1.75; }
.hero-actions { display: flex; align-items: center; gap: 24px; }
.button {
    display: inline-flex;
    min-height: 47px;
    align-items: center;
    justify-content: center;
    border: 0;
    border-radius: 11px;
    padding: 0 19px;
    font-weight: 850;
    transition: transform .18s ease, box-shadow .18s ease, border-color .18s ease;
}
.button:hover { transform: translateY(-1px); }
.button-primary { background: linear-gradient(135deg, var(--cyan), var(--green)); color: #041017; box-shadow: 0 14px 36px rgba(69, 239, 170, .16); }
.button-secondary { border: 1px solid rgba(95, 227, 255, .28); background: rgba(95, 227, 255, .08); color: var(--ink); }
.text-link { color: var(--muted); font-size: 13px; }

.security-console { overflow: hidden; border: 1px solid rgba(95, 227, 255, .22); border-radius: 22px; background: rgba(7, 20, 31, .82); box-shadow: var(--shadow); backdrop-filter: blur(16px); }
.console-heading { display: flex; justify-content: space-between; padding: 18px 20px; border-bottom: 1px solid var(--line); color: var(--muted); font-size: 10px; letter-spacing: .17em; }
.console-heading b { color: var(--green); }
.console-signal { display: grid; height: 230px; place-items: center; background: radial-gradient(circle, rgba(95, 227, 255, .16), transparent 58%); }
.console-signal div { display: grid; width: 118px; height: 118px; place-items: center; border: 1px solid rgba(95, 227, 255, .38); border-radius: 36px; box-shadow: inset 0 0 45px rgba(95, 227, 255, .13), 0 0 45px rgba(95, 227, 255, .12); color: var(--cyan); font-size: 36px; font-weight: 950; }
.security-console dl { margin: 0; }
.security-console dl div { display: flex; justify-content: space-between; gap: 20px; padding: 15px 20px; border-top: 1px solid var(--line); font-size: 12px; }
.security-console dt { color: var(--muted); }
.security-console dd { margin: 0; font-weight: 750; }

.public-section { position: relative; z-index: 1; padding: 100px max(32px, calc((100vw - 1216px) / 2)); }
.public-section.light { background: #eaf4f7; color: #07141f; }
.section-heading { display: flex; justify-content: space-between; gap: 40px; align-items: end; margin-bottom: 50px; }
.section-heading h2, .security-copy h2 { max-width: 720px; margin: 0; font-size: clamp(34px, 5vw, 56px); line-height: 1.06; letter-spacing: -.045em; }
.feature-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 18px; }
.feature-grid article { padding: 28px; border: 1px solid rgba(7, 20, 31, .13); border-radius: 16px; background: rgba(255, 255, 255, .45); }
.feature-grid article span { color: #047796; font: 800 11px ui-monospace, SFMono-Regular, Menlo, monospace; }
.feature-grid h3 { margin: 38px 0 10px; font-size: 22px; }
.feature-grid p { margin: 0; color: #48616f; line-height: 1.65; }
.security-copy { display: grid; grid-template-columns: 1.2fr .8fr; gap: 90px; align-items: center; }
.security-copy > div > p:last-child { max-width: 700px; color: var(--muted); line-height: 1.7; }
.security-copy ul { margin: 0; padding: 0; list-style: none; }
.security-copy li { padding: 15px 0 15px 28px; border-bottom: 1px solid var(--line); background: radial-gradient(circle at 6px 50%, var(--green) 0 3px, transparent 4px); font-size: 14px; }
.public-footer { position: relative; z-index: 1; display: flex; justify-content: space-between; gap: 24px; padding: 28px 32px; border-top: 1px solid var(--line); color: var(--muted); font-size: 12px; }

.dashboard-page { min-height: 100vh; background: #06111a; }
.sidebar {
    position: fixed;
    z-index: 3;
    inset: 0 auto 0 0;
    display: flex;
    width: 250px;
    flex-direction: column;
    padding: 24px 20px;
    border-right: 1px solid var(--line);
    background: rgba(5, 16, 24, .97);
}
.sidebar nav { display: grid; gap: 5px; margin-top: 54px; }
.sidebar nav a { padding: 11px 12px; border-radius: 9px; color: var(--muted); font-size: 13px; font-weight: 650; }
.sidebar nav a:hover { background: rgba(95, 227, 255, .08); color: var(--ink); }
.sidebar-account { display: grid; gap: 7px; margin-top: auto; padding: 17px; border: 1px solid var(--line); border-radius: 13px; background: rgba(255, 255, 255, .025); }
.sidebar-account strong { font-size: 13px; }
.sidebar-account small { overflow: hidden; color: var(--muted); font-size: 11px; text-overflow: ellipsis; }
.role-badge { justify-self: start; padding: 4px 7px; border-radius: 6px; background: rgba(69, 239, 170, .1); color: var(--green); font-size: 8px; font-weight: 900; letter-spacing: .16em; }
.text-button { justify-self: start; margin: 5px 0 0; border: 0; background: none; padding: 0; color: var(--cyan); font-size: 11px; font-weight: 700; }

.dashboard-main { position: relative; z-index: 1; margin-left: 250px; padding: 42px; }
.dashboard-header { display: flex; justify-content: space-between; gap: 24px; align-items: center; max-width: 1440px; margin: 0 auto 30px; }
.dashboard-header h1 { margin: 0; font-size: clamp(30px, 4vw, 46px); letter-spacing: -.045em; }
.balance-card { min-width: 200px; padding: 18px 22px; border: 1px solid rgba(69, 239, 170, .24); border-radius: 14px; background: rgba(69, 239, 170, .06); }
.balance-card span { display: block; color: var(--muted); font-size: 10px; font-weight: 750; letter-spacing: .12em; text-transform: uppercase; }
.balance-card strong { display: block; margin-top: 5px; color: var(--green); font: 800 28px ui-monospace, SFMono-Regular, Menlo, monospace; }
.notice { display: flex; max-width: 1440px; justify-content: space-between; gap: 20px; align-items: center; margin: 0 auto 24px; padding: 14px 18px; border-radius: 10px; font-size: 13px; }
.notice-success { border: 1px solid rgba(69, 239, 170, .3); background: rgba(69, 239, 170, .09); color: #b8ffde; }
.notice-error { border: 1px solid rgba(255, 125, 136, .3); background: rgba(255, 125, 136, .09); color: #ffd1d5; }
.copy-button, .copy-icon { border: 1px solid currentColor; border-radius: 7px; background: transparent; padding: 5px 8px; color: inherit; font-size: 10px; font-weight: 800; }

.panel-grid, .panel { max-width: 1440px; margin-right: auto; margin-left: auto; }
.panel-grid { display: grid; grid-template-columns: 1.15fr .85fr; gap: 20px; }
.panel { margin-bottom: 20px; border: 1px solid var(--line); border-radius: 16px; background: var(--panel); box-shadow: 0 18px 40px rgba(0, 0, 0, .12); }
.panel-grid .panel { margin-bottom: 0; }
.panel-heading { display: flex; justify-content: space-between; gap: 20px; align-items: start; padding: 22px 24px; border-bottom: 1px solid var(--line); }
.panel-heading span { color: var(--muted); font-size: 9px; font-weight: 900; letter-spacing: .15em; text-transform: uppercase; }
.panel-heading h2 { margin: 5px 0 0; font-size: 20px; letter-spacing: -.025em; }
.panel-heading b { padding: 5px 7px; border-radius: 6px; background: rgba(69, 239, 170, .08); color: var(--green); font-size: 8px; letter-spacing: .13em; }
.stack-form { display: grid; gap: 16px; padding: 24px; }
.stack-form h3 { margin: 0 0 2px; font-size: 16px; }
.stack-form label { display: grid; gap: 7px; color: var(--muted); font-size: 10px; font-weight: 750; letter-spacing: .09em; text-transform: uppercase; }
input, select, textarea { width: 100%; min-height: 45px; border: 1px solid rgba(159, 207, 229, .2); border-radius: 9px; background: #081824; padding: 0 13px; color: var(--ink); font-size: 13px; letter-spacing: 0; text-transform: none; }
textarea { min-height: 110px; padding-block: 12px; resize: vertical; }
input:hover, select:hover, textarea:hover { border-color: rgba(95, 227, 255, .42); }
.status-list { margin: 0; padding: 8px 24px 20px; list-style: none; }
.status-list li { display: flex; justify-content: space-between; gap: 20px; padding: 15px 0; border-bottom: 1px solid var(--line); font-size: 12px; }
.status-list li:last-child { border-bottom: 0; }
.status-list span { color: var(--muted); }
.status-list strong { color: #cce9f4; text-align: right; }
.security-link { color: var(--cyan); }
.table-panel { margin-top: 20px; }
.table-scroll { overflow-x: auto; }
table { width: 100%; border-collapse: collapse; font-size: 12px; }
th { padding: 13px 18px; background: rgba(255, 255, 255, .018); color: var(--muted); font-size: 9px; letter-spacing: .1em; text-align: left; text-transform: uppercase; }
td { padding: 15px 18px; border-top: 1px solid var(--line); color: #c5d8e2; vertical-align: top; }
.mono { font-family: ui-monospace, SFMono-Regular, Menlo, monospace; }
.result-cell { display: inline-block; max-width: 420px; overflow-wrap: anywhere; }
.copy-icon { margin-left: 6px; color: var(--cyan); }
.empty-cell { padding: 38px; color: var(--muted); text-align: center; }
.management-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 1px; background: var(--line); }
.management-grid form { background: var(--surface-2); }
.field-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; }
.user-table { border-top: 1px solid var(--line); }
.manual-panel { margin-top: 20px; }
.manual-guidance { display: flex; flex-direction: column; justify-content: center; padding: 34px; background: var(--surface-2); }
.manual-guidance h3 { margin: 0 0 12px; font-size: 28px; letter-spacing: -.04em; }
.manual-guidance p { max-width: 520px; margin: 0; color: var(--muted); font-size: 13px; line-height: 1.7; }
.status-pill { display: inline-flex; padding: 5px 8px; border-radius: 999px; background: rgba(159, 207, 229, .09); color: #c5d8e2; font-size: 9px; font-weight: 850; text-transform: uppercase; }
.status-completed { background: rgba(69, 239, 170, .1); color: var(--green); }
.status-refunded, .status-rejected { background: rgba(255, 125, 136, .1); color: var(--danger); }
.inline-result-form { display: flex; min-width: 270px; gap: 6px; margin-bottom: 7px; }
.inline-result-form input { min-height: 34px; }
.inline-result-form .copy-button { min-width: 70px; color: var(--green); }
.refund-form .copy-button { color: var(--danger); }
.inline-form { margin: 0; }

.auth-page { display: grid; min-height: 100vh; place-items: center; padding: 32px; }
.auth-shell { position: relative; z-index: 1; width: min(600px, 100%); padding: 34px 48px 30px; border: 1px solid var(--line); border-radius: 22px; background: rgba(8, 25, 37, .94); box-shadow: var(--shadow); }
.auth-brand { margin-bottom: 52px; }
.auth-card h1 { margin: 0; font-size: 38px; line-height: 1.05; letter-spacing: -.045em; }
.auth-card > .auth-intro { color: var(--muted); font-size: 13px; line-height: 1.7; }
.auth-card .stack-form { padding: 22px 0 0; }
.auth-switch { margin-top: 20px; color: var(--muted); font-size: 12px; }
.auth-switch a { color: var(--cyan); }
.auth-support { margin: 24px 0 0; color: var(--muted); font-size: 11px; text-align: center; }
.auth-support a { color: var(--cyan); }
.mfa-shell { width: min(680px, 100%); }
.mfa-secret { display: grid; gap: 8px; margin: 24px 0; padding: 18px; border: 1px solid rgba(95, 227, 255, .24); border-radius: 10px; background: rgba(95, 227, 255, .06); }
.mfa-secret span { color: var(--muted); font-size: 10px; font-weight: 800; letter-spacing: .1em; text-transform: uppercase; }
.mfa-secret strong { overflow-wrap: anywhere; color: var(--cyan); font: 700 16px ui-monospace, SFMono-Regular, Menlo, monospace; letter-spacing: .08em; }
.password-required { border-color: rgba(255, 209, 102, .35); }
.password-required .panel-heading b { background: rgba(255, 209, 102, .1); color: var(--warning); }
.password-form { grid-template-columns: 1fr 1fr auto; align-items: end; }
.password-form p { grid-column: 1 / -1; margin: 0; color: var(--muted); font-size: 13px; }
.is-locked { opacity: .55; }
.is-locked select, .is-locked input { pointer-events: none; }
.message-card { position: relative; z-index: 1; width: min(560px, calc(100% - 40px)); margin: 18vh auto 0; padding: 40px; border: 1px solid var(--line); border-radius: 18px; background: var(--panel); text-align: center; }
.message-card h1 { margin: 0 0 12px; font-size: 34px; }
.message-card p { color: var(--muted); line-height: 1.6; }

@media (max-width: 900px) {
    .public-header { grid-template-columns: 1fr auto; }
    .public-header nav { display: none; }
    .public-hero, .security-copy { grid-template-columns: 1fr; }
    .public-hero { gap: 45px; min-height: auto; padding-block: 70px; }
    .feature-grid { grid-template-columns: 1fr; }
    .panel-grid, .management-grid { grid-template-columns: 1fr; }
    .sidebar { position: static; width: auto; min-height: auto; }
    .sidebar nav { display: flex; overflow-x: auto; margin-top: 24px; }
    .sidebar-account { margin-top: 20px; }
    .dashboard-main { margin-left: 0; padding: 28px 20px; }
    .password-form { grid-template-columns: 1fr; }
}

@media (max-width: 600px) {
    .public-header { padding: 18px 20px; }
    .header-action { padding: 9px 12px; }
    .public-hero, .public-section { padding-right: 20px; padding-left: 20px; }
    .hero-actions, .section-heading, .public-footer, .dashboard-header { align-items: stretch; flex-direction: column; }
    .hero-copy h1 { font-size: 45px; }
    .field-grid { grid-template-columns: 1fr; }
    .auth-page { padding: 16px; }
    .auth-form { padding: 30px 22px; }
}

@media (prefers-reduced-motion: reduce) {
    html { scroll-behavior: auto; }
    *, *::before, *::after { scroll-behavior: auto !important; transition: none !important; }
}