:root {
    color-scheme: dark;
    --ink: #f3f1e8;
    --muted: #9b9b91;
    --paper: #10110f;
    --panel: #171915;
    --panel-deep: #0d0f0c;
    --line: #30332c;
    --acid: #c8ff3d;
    --danger: #ff7168;
    --warning: #ffc857;
    --info: #76baff;
    font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
}

* { box-sizing: border-box; }

body {
    margin: 0;
    min-height: 100vh;
    background:
            radial-gradient(circle at 90% 0%, rgba(200, 255, 61, .08), transparent 28rem),
            linear-gradient(135deg, #0c0d0b, var(--paper));
    color: var(--ink);
}

body::before {
    content: "";
    position: fixed;
    inset: 0;
    pointer-events: none;
    opacity: .2;
    background-image: linear-gradient(rgba(255,255,255,.025) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,.025) 1px, transparent 1px);
    background-size: 32px 32px;
}

.shell { width: min(1440px, calc(100% - 40px)); margin: 0 auto; padding: 42px 0 80px; }
.masthead { display: flex; justify-content: space-between; gap: 24px; align-items: flex-start; margin-bottom: 32px; }
.eyebrow, .card-index { color: var(--acid); font: 700 12px/1.2 ui-monospace, SFMono-Regular, Menlo, monospace; letter-spacing: .16em; }
h1 { margin: 4px 0 3px; font-size: clamp(40px, 7vw, 84px); line-height: .95; letter-spacing: -.055em; }
h2 { margin: 4px 0 12px; font-size: 26px; }
h3 { margin: 4px 0 12px; font-size: 17px; }
p { line-height: 1.65; }
.subtitle, .card p, .section-heading > p { color: var(--muted); }
.session-panel { display: flex; align-items: center; gap: 10px; }
.status-chip { border: 1px solid var(--line); border-radius: 999px; padding: 9px 13px; color: var(--muted); font-size: 13px; }
.status-chip.ready { color: var(--acid); border-color: rgba(200,255,61,.45); }
.card { position: relative; background: rgba(23,25,21,.88); border: 1px solid var(--line); border-radius: 18px; padding: 24px; box-shadow: 0 22px 70px rgba(0,0,0,.22); }
.auth-grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 18px; max-width: 900px; }

label { display: grid; gap: 7px; color: var(--muted); font-size: 13px; margin: 14px 0; }
input, select {
    width: 100%;
    min-width: 0;
    border: 1px solid var(--line);
    border-radius: 10px;
    background: var(--panel-deep);
    color: var(--ink);
    padding: 11px 12px;
    outline: none;
}
input[type="file"] { padding: 8px; }
input:focus, select:focus { border-color: var(--acid); box-shadow: 0 0 0 3px rgba(200,255,61,.08); }
.checkbox-label { display: flex; align-items: center; gap: 10px; min-height: 42px; margin-top: 28px; }
.checkbox-label input { width: auto; accent-color: var(--acid); }
.button { border: 1px solid var(--line); border-radius: 10px; padding: 10px 15px; color: var(--ink); background: transparent; cursor: pointer; font-weight: 700; transition: .15s ease; }
.button:hover { transform: translateY(-1px); border-color: #505448; }
.button.primary { color: #111; background: var(--acid); border-color: var(--acid); }
.button.small { padding: 7px 10px; font-size: 12px; white-space: nowrap; }
.button:disabled { opacity: .45; cursor: wait; transform: none; }

.admin-nav { display: flex; gap: 7px; position: sticky; top: 12px; z-index: 20; margin-bottom: 28px; padding: 7px; width: fit-content; backdrop-filter: blur(18px); }
.nav-button { border: 0; border-radius: 11px; padding: 10px 17px; color: var(--muted); background: transparent; cursor: pointer; font-weight: 700; }
.nav-button.active { color: #111; background: var(--acid); }
.admin-section { animation: reveal .2s ease-out; }
@keyframes reveal { from { opacity: 0; transform: translateY(5px); } to { opacity: 1; transform: translateY(0); } }
.section-heading { display: flex; align-items: end; justify-content: space-between; gap: 40px; margin: 0 2px 20px; }
.section-heading h2 { margin-bottom: 0; }
.section-heading > p { max-width: 720px; margin: 0; }
.split-grid { display: grid; grid-template-columns: minmax(300px, .72fr) minmax(560px, 1.28fr); gap: 18px; align-items: start; }
.compact-form .button.primary { margin-top: 8px; }
.form-note { font-size: 12px; margin: 14px 0; }
.danger-note { color: #ffc0bc !important; }
.compact-table { padding: 0; }
.compact-table table { min-width: 620px; }
.fingerprint { color: var(--muted); font-size: 11px; }

.issued-secret { border-color: rgba(255,200,87,.45); background: rgba(54,43,18,.55); }
.secret-heading, .configuration-heading { display: flex; justify-content: space-between; align-items: flex-start; gap: 18px; }
.issued-secret code { display: block; overflow-wrap: anywhere; margin: 16px 0; border: 1px dashed rgba(255,200,87,.5); border-radius: 10px; padding: 14px; color: var(--warning); background: rgba(0,0,0,.22); }
.secret-label { display: block; margin-top: 14px; color: var(--muted); font: 11px/1.2 ui-monospace, SFMono-Regular, Menlo, monospace; }
.application-table { margin-top: 18px; padding: 0; }
.selected-row { background: rgba(200,255,61,.035); }
.truncate-cell { max-width: 300px; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }

.channel-form { margin-bottom: 18px; }
.form-grid { display: grid; gap: 0 14px; }
.four-columns { grid-template-columns: repeat(4, minmax(0, 1fr)); }
.wide-field { grid-column: span 2; }
.provider-fields { border-top: 1px solid var(--line); margin-top: 17px; padding-top: 20px; }
.provider-fields h3 { color: var(--acid); }
.channel-toolbar { display: flex; justify-content: space-between; align-items: center; gap: 16px; padding: 14px 18px; margin-bottom: 14px; }
.configuration-list { display: grid; gap: 14px; }
.configuration-card { overflow: hidden; }
.configuration-heading h3 { display: flex; align-items: center; gap: 10px; }
.configuration-meta { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 10px; margin: 18px 0; }
.configuration-meta span { display: grid; gap: 4px; padding: 11px 12px; border: 1px solid var(--line); border-radius: 10px; color: var(--muted); font-size: 11px; }
.configuration-meta strong { color: var(--ink); font-size: 12px; overflow-wrap: anywhere; }
.detail-line { color: var(--muted); margin: 7px 0; font-size: 11px; overflow-wrap: anywhere; }
.callback-line { color: var(--info); }
.credential-grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 10px; margin-top: 18px; }
.credential-row { border: 1px solid var(--line); border-radius: 12px; padding: 13px; background: rgba(0,0,0,.16); }
.credential-row.configured { border-color: rgba(200,255,61,.3); }
.credential-row.missing { border-color: rgba(255,113,104,.25); }
.credential-state { display: grid; gap: 4px; margin-bottom: 10px; }
.credential-state strong { font-size: 13px; }
.credential-state span { color: var(--muted); font: 10px/1.45 ui-monospace, SFMono-Regular, Menlo, monospace; overflow-wrap: anywhere; }
.credential-controls { display: grid; grid-template-columns: 82px minmax(0, 1fr) auto; gap: 7px; align-items: center; }
.credential-controls select, .credential-controls input { font-size: 11px; padding: 7px 8px; }

.state-chip, .bill-status { display: inline-block; padding: 4px 8px; border-radius: 999px; background: #262920; font-size: 11px; }
.state-chip.ACTIVE, .state-chip.ENABLED, .bill-status.PAID { color: var(--acid); }
.state-chip.DRAFT { color: var(--warning); }
.state-chip.RETIRED, .state-chip.DISABLED, .bill-status.FAILED, .bill-status.CLOSED { color: var(--danger); }

.toolbar { display: flex; align-items: end; justify-content: space-between; gap: 24px; margin-bottom: 18px; }
.ledger-form { display: grid; grid-template-columns: minmax(220px, 360px) 92px auto; gap: 12px; align-items: end; }
.ledger-form label { margin: 0; }
.summary-grid { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 12px; margin: 18px 0; }
.metric { padding: 18px; border: 1px solid var(--line); border-radius: 14px; background: rgba(23,25,21,.6); }
.metric span { display: block; color: var(--muted); font-size: 12px; }
.metric strong { display: block; margin-top: 5px; font-size: 26px; }
.table-wrap { overflow-x: auto; }
.asset-toolbar { margin-top: 18px; }
.asset-result { margin-top: 12px; }
.asset-balance { display: flex; gap: 42px; align-items: baseline; }
.asset-balance strong { font-size: 34px; }
.asset-meta { color: var(--muted); font: 12px/1.7 ui-monospace, SFMono-Regular, Menlo, monospace; }
table { width: 100%; border-collapse: collapse; min-width: 980px; }
th, td { padding: 15px 17px; border-bottom: 1px solid var(--line); text-align: left; vertical-align: top; }
th { color: var(--muted); font-size: 11px; letter-spacing: .08em; text-transform: uppercase; }
td { font-size: 13px; }
tbody tr:last-child td { border-bottom: 0; }
.mono { font-family: ui-monospace, SFMono-Regular, Menlo, monospace; }
.risk { color: var(--warning); }
.empty { padding: 44px; text-align: center; color: var(--muted); }
.message { position: fixed; z-index: 100; right: 22px; bottom: 22px; max-width: min(520px, calc(100vw - 44px)); border: 1px solid var(--line); border-radius: 12px; padding: 13px 16px; background: #20231d; box-shadow: 0 18px 50px rgba(0,0,0,.4); }
.message.error { border-color: rgba(255,113,104,.55); color: #ffd0cc; }
.hidden { display: none !important; }

@media (max-width: 1100px) {
    .split-grid { grid-template-columns: 1fr; }
    .four-columns { grid-template-columns: repeat(2, minmax(0, 1fr)); }
    .configuration-meta { grid-template-columns: repeat(2, minmax(0, 1fr)); }
}

@media (max-width: 820px) {
    .shell { width: min(100% - 24px, 1440px); padding-top: 24px; }
    .masthead, .toolbar, .section-heading { flex-direction: column; align-items: stretch; }
    .auth-grid, .summary-grid, .credential-grid, .four-columns { grid-template-columns: 1fr; }
    .ledger-form { grid-template-columns: 1fr; }
    .wide-field { grid-column: auto; }
    .admin-nav { width: 100%; overflow-x: auto; }
    .nav-button { white-space: nowrap; }
    .credential-controls { grid-template-columns: 76px minmax(0, 1fr); }
    .credential-controls .button { grid-column: 1 / -1; }
}