:root {
    --up-bg: #030712;
    --up-panel: #0f172a;
    --up-border: rgba(56, 189, 248, 0.22);
    --up-accent: #38bdf8;
    --up-amber: #fbbf24;
    --up-muted: #94a3b8;
    --up-text: #e2e8f0;
    --up-mono: "JetBrains Mono", ui-monospace, monospace;
    --up-sans: "Inter", system-ui, sans-serif;
}

* { box-sizing: border-box; }

body {
    margin: 0;
    min-height: 100vh;
    font-family: var(--up-sans);
    background: var(--up-bg);
    color: var(--up-text);
    background-image:
        radial-gradient(ellipse 80% 50% at 50% -20%, rgba(56, 189, 248, 0.12), transparent),
        linear-gradient(180deg, #030712 0%, #0a1628 100%);
}

.up-app {
    max-width: 860px;
    margin: 0 auto;
    padding: 1.25rem 1rem 3rem;
}

.up-header {
    display: flex;
    align-items: flex-start;
    justify-content: space-between;
    gap: 1rem;
    margin-bottom: 1.5rem;
    padding-bottom: 1rem;
    border-bottom: 1px solid rgba(255, 255, 255, 0.06);
    flex-wrap: wrap;
}

.up-header__title h1 {
    margin: 0.35rem 0 0;
    font-size: 1.35rem;
    letter-spacing: 0.06em;
}

.up-tag {
    font-family: var(--up-mono);
    font-size: 0.58rem;
    letter-spacing: 0.2em;
    color: var(--up-muted);
}

.up-tier {
    display: inline-block;
    margin-top: 0.35rem;
    padding: 0.2rem 0.55rem;
    border-radius: 999px;
    font-family: var(--up-mono);
    font-size: 0.58rem;
    letter-spacing: 0.12em;
    border: 1px solid rgba(56, 189, 248, 0.35);
    color: var(--up-accent);
}

.up-section--founder {
    border-color: rgba(250, 204, 21, 0.35);
    background: linear-gradient(180deg, rgba(69, 26, 3, 0.35) 0%, rgba(15, 23, 42, 0.72) 100%);
}

.up-founder-badge {
    display: inline-block;
    margin-left: 0.5rem;
    padding: 0.15rem 0.5rem;
    border-radius: 999px;
    font-family: var(--up-mono);
    font-size: 0.58rem;
    letter-spacing: 0.14em;
    text-transform: uppercase;
    color: #fde68a;
    border: 1px solid rgba(250, 204, 21, 0.45);
}

.up-founder-note {
    margin: 0.35rem 0 0.75rem;
    font-size: 0.85rem;
    color: var(--up-muted);
    line-height: 1.45;
}

.up-header__actions {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    flex-wrap: wrap;
}

.up-nav-link {
    color: var(--up-muted);
    text-decoration: none;
    font-size: 0.72rem;
    letter-spacing: 0.08em;
    text-transform: uppercase;
}

.up-nav-link:hover { color: var(--up-accent); }

.up-section {
    background: rgba(15, 23, 42, 0.72);
    border: 1px solid var(--up-border);
    border-radius: 12px;
    padding: 1.15rem 1.1rem 1.25rem;
    margin-bottom: 1rem;
}

.up-section__head {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 0.75rem;
    margin-bottom: 1rem;
}

.up-section__head h2 {
    margin: 0;
    font-size: 0.78rem;
    letter-spacing: 0.18em;
    color: var(--up-accent);
}

.up-section__sub {
    margin: 0 0 1rem;
    color: var(--up-muted);
    font-size: 0.88rem;
    line-height: 1.5;
}

.up-grid-2 {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 0.75rem;
}

@media (max-width: 640px) {
    .up-grid-2 { grid-template-columns: 1fr; }
}

.up-field {
    display: flex;
    flex-direction: column;
    gap: 0.35rem;
}

.up-field label {
    font-size: 0.72rem;
    letter-spacing: 0.06em;
    color: var(--up-muted);
    text-transform: uppercase;
}

.up-field input,
.up-field select {
    width: 100%;
    padding: 0.62rem 0.75rem;
    border-radius: 8px;
    border: 1px solid rgba(148, 163, 184, 0.25);
    background: rgba(3, 7, 18, 0.65);
    color: var(--up-text);
    font: inherit;
}

.up-field input:focus,
.up-field select:focus {
    outline: none;
    border-color: rgba(56, 189, 248, 0.55);
}

.up-field input[readonly] {
    opacity: 0.7;
    cursor: default;
}

.up-checks {
    display: flex;
    flex-wrap: wrap;
    gap: 0.65rem 1rem;
    margin-top: 0.5rem;
}

.up-checks label {
    display: inline-flex;
    align-items: center;
    gap: 0.35rem;
    font-size: 0.82rem;
    color: var(--up-muted);
    text-transform: none;
    letter-spacing: 0;
}

.up-btn {
    appearance: none;
    border: 1px solid rgba(56, 189, 248, 0.45);
    background: rgba(56, 189, 248, 0.12);
    color: var(--up-accent);
    border-radius: 8px;
    padding: 0.55rem 0.9rem;
    font: inherit;
    font-size: 0.78rem;
    font-weight: 600;
    letter-spacing: 0.06em;
    cursor: pointer;
}

.up-btn:hover {
    background: rgba(56, 189, 248, 0.22);
}

.up-btn--ghost {
    border-color: rgba(148, 163, 184, 0.3);
    background: transparent;
    color: var(--up-muted);
}

.up-btn--danger {
    border-color: rgba(248, 113, 113, 0.35);
    color: #fca5a5;
    background: rgba(127, 29, 29, 0.2);
}

.up-actions {
    display: flex;
    gap: 0.5rem;
    flex-wrap: wrap;
    margin-top: 1rem;
}

.up-msg {
    min-height: 1.2rem;
    margin-top: 0.65rem;
    font-size: 0.82rem;
    color: var(--up-muted);
}

.up-msg.is-ok { color: #86efac; }
.up-msg.is-err { color: #fca5a5; }

.up-vessel-list {
    display: flex;
    flex-direction: column;
    gap: 0.65rem;
}

.up-vessel-card {
    border: 1px solid rgba(148, 163, 184, 0.18);
    border-radius: 10px;
    padding: 0.85rem 0.9rem;
    background: rgba(3, 7, 18, 0.45);
}

.up-vessel-card.is-primary {
    border-color: rgba(251, 191, 36, 0.35);
}

.up-vessel-card__head {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 0.5rem;
    margin-bottom: 0.35rem;
}

.up-vessel-card__name {
    font-weight: 600;
    letter-spacing: 0.03em;
}

.up-vessel-card__badge {
    font-family: var(--up-mono);
    font-size: 0.58rem;
    letter-spacing: 0.1em;
    color: var(--up-amber);
}

.up-vessel-card__meta {
    font-size: 0.82rem;
    color: var(--up-muted);
    line-height: 1.45;
}

.up-vessel-card__actions {
    display: flex;
    gap: 0.4rem;
    flex-wrap: wrap;
    margin-top: 0.65rem;
}

.up-voyage-list {
    display: flex;
    flex-direction: column;
    gap: 0.55rem;
}

.up-voyage-row {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 0.75rem;
    padding: 0.75rem 0.85rem;
    border-radius: 10px;
    border: 1px solid rgba(148, 163, 184, 0.16);
    background: rgba(3, 7, 18, 0.45);
}

.up-voyage-row__main {
    min-width: 0;
}

.up-voyage-row__region {
    font-weight: 600;
    margin-bottom: 0.2rem;
}

.up-voyage-row__meta {
    font-family: var(--up-mono);
    font-size: 0.68rem;
    color: var(--up-muted);
}

.up-empty {
    color: var(--up-muted);
    font-size: 0.88rem;
    padding: 0.5rem 0;
}

.up-form-panel {
    margin-top: 1rem;
    padding-top: 1rem;
    border-top: 1px solid rgba(255, 255, 255, 0.06);
}

.up-form-panel[hidden] { display: none; }

.up-chips {
    display: flex;
    flex-wrap: wrap;
    gap: 0.45rem;
}

.up-chip {
    padding: 0.35rem 0.65rem;
    border-radius: 999px;
    border: 1px solid rgba(148, 163, 184, 0.25);
    background: transparent;
    color: var(--up-muted);
    font-size: 0.75rem;
    cursor: pointer;
}

.up-chip.is-selected {
    border-color: rgba(56, 189, 248, 0.55);
    color: var(--up-accent);
    background: rgba(56, 189, 248, 0.1);
}

.up-field__hint {
    font-size: 0.75rem;
    color: var(--up-muted);
    margin-top: 0.15rem;
}

.up-field--highlight input {
    border-color: rgba(56, 189, 248, 0.45);
}

.up-display-name {
    margin: 0.35rem 0 0;
    font-size: 1.05rem;
    font-weight: 600;
    color: var(--up-accent);
    letter-spacing: 0.04em;
}

.up-display-name[hidden] {
    display: none;
}

.up-loading {
    text-align: center;
    padding: 3rem 1rem;
    color: var(--up-muted);
}