:root {
    --bg: #070a1a;
    --panel: rgba(255, 255, 255, 0.04);
    --panel-brd: rgba(255, 255, 255, 0.09);
    --ink: #eef1ff;
    --ink-soft: #9aa3c7;
    --ink-dim: #6b7399;
    --accent: #7c5cff;
    --accent-2: #21d4fd;
    --good: #37e0a6;
    --bad: #ff6b81;
    --radius: 18px;
    --shadow: 0 20px 60px rgba(0, 0, 0, 0.45);
    --focus: 0 0 0 3px rgba(124, 92, 255, 0.35);
}

* { box-sizing: border-box; }

html, body {
    margin: 0;
    padding: 0;
    min-height: 100%;
}

body {
    font-family: "Inter", system-ui, -apple-system, Segoe UI, Roboto, sans-serif;
    background: var(--bg);
    color: var(--ink);
    -webkit-font-smoothing: antialiased;
    line-height: 1.5;
    position: relative;
    overflow-x: hidden;
}

/* Soft animated aurora background — pure CSS, very cheap */
.aurora {
    position: fixed;
    inset: -30vmax;
    z-index: 0;
    background:
        radial-gradient(40vmax 40vmax at 20% 20%, rgba(124, 92, 255, 0.35), transparent 60%),
        radial-gradient(38vmax 38vmax at 82% 12%, rgba(33, 212, 253, 0.25), transparent 60%),
        radial-gradient(45vmax 45vmax at 65% 88%, rgba(255, 90, 160, 0.20), transparent 60%);
    filter: blur(30px);
    animation: drift 22s ease-in-out infinite alternate;
    pointer-events: none;
}

@keyframes drift {
    0%   { transform: translate3d(0, 0, 0) scale(1); }
    100% { transform: translate3d(2%, -2%, 0) scale(1.08); }
}

@media (prefers-reduced-motion: reduce) {
    .aurora { animation: none; }
}

.shell {
    position: relative;
    z-index: 1;
    width: min(760px, 100%);
    margin: 0 auto;
    padding: clamp(20px, 4vw, 44px) clamp(16px, 4vw, 28px) 40px;
}

/* Brand */
.brand {
    display: flex;
    align-items: center;
    gap: 14px;
    margin-bottom: 26px;
}

.brand__mark {
    width: 46px;
    height: 46px;
    border-radius: 13px;
    display: grid;
    place-items: center;
    font-weight: 800;
    letter-spacing: 0.5px;
    color: #fff;
    background: linear-gradient(135deg, var(--accent), var(--accent-2));
    box-shadow: 0 8px 24px rgba(124, 92, 255, 0.45);
}

.brand__text h1 { margin: 0; font-size: 1.15rem; font-weight: 700; }
.brand__text p  { margin: 0; font-size: 0.8rem; color: var(--ink-soft); }

/* Stepper */
.stepper {
    display: flex;
    gap: 8px;
    list-style: none;
    margin: 0 0 22px;
    padding: 0;
}

.step {
    flex: 1;
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 0.82rem;
    color: var(--ink-dim);
    padding: 10px 12px;
    border-radius: 12px;
    background: var(--panel);
    border: 1px solid transparent;
    transition: color 0.25s, border-color 0.25s, background 0.25s;
}

.step span {
    display: grid;
    place-items: center;
    width: 22px;
    height: 22px;
    border-radius: 50%;
    font-size: 0.72rem;
    font-weight: 700;
    background: rgba(255, 255, 255, 0.08);
    color: var(--ink-soft);
    flex: none;
}

.step.is-active {
    color: var(--ink);
    border-color: var(--panel-brd);
    background: rgba(124, 92, 255, 0.12);
}
.step.is-active span { background: linear-gradient(135deg, var(--accent), var(--accent-2)); color: #fff; }
.step.is-done span   { background: var(--good); color: #04231a; }

/* Panels (glass cards) */
.panel {
    display: none;
    background: var(--panel);
    border: 1px solid var(--panel-brd);
    border-radius: var(--radius);
    padding: clamp(18px, 3.5vw, 28px);
    box-shadow: var(--shadow);
    backdrop-filter: blur(14px);
    -webkit-backdrop-filter: blur(14px);
    animation: rise 0.4s ease both;
}

.panel.is-active { display: block; }

@keyframes rise {
    from { opacity: 0; transform: translateY(10px); }
    to   { opacity: 1; transform: translateY(0); }
}

.panel__head { margin-bottom: 18px; }
.panel__head h2 { margin: 0 0 4px; font-size: 1.3rem; font-weight: 700; }
.panel__head p  { margin: 0; color: var(--ink-soft); font-size: 0.9rem; }

/* Category cards */
.cats {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(150px, 1fr));
    gap: 10px;
}

.cat {
    text-align: left;
    cursor: pointer;
    border: 1px solid var(--panel-brd);
    background: rgba(255, 255, 255, 0.03);
    color: var(--ink);
    border-radius: 14px;
    padding: 14px;
    display: flex;
    align-items: center;
    gap: 12px;
    transition: transform 0.15s, border-color 0.2s, background 0.2s;
    font: inherit;
}

.cat:hover { transform: translateY(-2px); border-color: rgba(124, 92, 255, 0.6); }
.cat:focus-visible { outline: none; box-shadow: var(--focus); }

.cat.is-selected {
    border-color: transparent;
    background: linear-gradient(135deg, rgba(124, 92, 255, 0.28), rgba(33, 212, 253, 0.18));
    box-shadow: inset 0 0 0 1px rgba(124, 92, 255, 0.55);
}

.cat__icon {
    width: 40px;
    height: 40px;
    border-radius: 10px;
    background: rgba(255, 255, 255, 0.9);
    object-fit: contain;
    padding: 6px;
    flex: none;
}

.cat__name { font-weight: 600; font-size: 0.9rem; }
.cat__meta { font-size: 0.72rem; color: var(--ink-soft); }

/* Subcategories */
.subs { margin-top: 22px; }
.subs__title { font-size: 0.95rem; margin: 0 0 10px; color: var(--ink); }
.subs__list { display: flex; flex-direction: column; gap: 8px; }

.subopt {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 12px 14px;
    border-radius: 12px;
    border: 1px solid var(--panel-brd);
    background: rgba(255, 255, 255, 0.03);
    cursor: pointer;
    transition: border-color 0.2s, background 0.2s;
    font-size: 0.9rem;
}
.subopt:hover { border-color: rgba(124, 92, 255, 0.5); }
.subopt input { accent-color: var(--accent); width: 18px; height: 18px; flex: none; }
.subopt.is-checked { background: rgba(124, 92, 255, 0.12); border-color: rgba(124, 92, 255, 0.5); }

/* Fields */
.field { margin-bottom: 16px; }
.field label {
    display: block;
    font-size: 0.8rem;
    color: var(--ink-soft);
    margin-bottom: 6px;
    font-weight: 500;
}

input[type="text"],
input[type="number"],
input[type="date"] {
    width: 100%;
    padding: 12px 14px;
    border-radius: 12px;
    border: 1px solid var(--panel-brd);
    background: rgba(0, 0, 0, 0.25);
    color: var(--ink);
    font: inherit;
    transition: border-color 0.2s, box-shadow 0.2s;
}

input::placeholder { color: var(--ink-dim); }

input:focus {
    outline: none;
    border-color: var(--accent);
    box-shadow: var(--focus);
}

.grid-2 {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 14px;
}

@media (max-width: 520px) {
    .grid-2 { grid-template-columns: 1fr; }
}

/* Advanced */
.advanced {
    border: 1px dashed var(--panel-brd);
    border-radius: 12px;
    padding: 10px 14px;
    margin: 6px 0 4px;
}
.advanced summary {
    cursor: pointer;
    font-size: 0.85rem;
    color: var(--ink-soft);
    user-select: none;
}
.advanced[open] summary { margin-bottom: 14px; color: var(--ink); }
.advanced__hint { color: var(--ink-dim); font-weight: 400; }

.chips { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 6px; }
.chip {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    font-size: 0.82rem;
    padding: 8px 12px;
    border-radius: 999px;
    border: 1px solid var(--panel-brd);
    background: rgba(255, 255, 255, 0.03);
    cursor: pointer;
}
.chip input { accent-color: var(--accent); }

/* Summary */
.summary {
    margin: 0 0 8px;
    display: grid;
    grid-template-columns: 40% 1fr;
    gap: 2px 12px;
}
.summary dt { color: var(--ink-soft); font-size: 0.82rem; padding: 8px 0; }
.summary dd {
    margin: 0;
    padding: 8px 0;
    font-size: 0.9rem;
    border-bottom: 1px solid rgba(255, 255, 255, 0.05);
    word-break: break-word;
}
.summary dt { border-bottom: 1px solid rgba(255, 255, 255, 0.05); }

/* Actions & buttons */
.panel__actions {
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 12px;
    margin-top: 24px;
}

.btn {
    font: inherit;
    font-weight: 600;
    border: none;
    border-radius: 12px;
    padding: 12px 22px;
    cursor: pointer;
    display: inline-flex;
    align-items: center;
    gap: 10px;
    transition: transform 0.15s, opacity 0.2s, box-shadow 0.2s;
}
.btn:active { transform: scale(0.98); }
.btn:disabled { opacity: 0.45; cursor: not-allowed; }

.btn--primary {
    color: #fff;
    background: linear-gradient(135deg, var(--accent), var(--accent-2));
    box-shadow: 0 10px 28px rgba(124, 92, 255, 0.4);
}
.btn--primary:hover:not(:disabled) { box-shadow: 0 14px 34px rgba(124, 92, 255, 0.55); }

.btn--ghost {
    color: var(--ink-soft);
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid var(--panel-brd);
}
.btn--ghost:hover { color: var(--ink); }

/* Result box */
.result {
    margin-top: 18px;
    padding: 18px;
    border-radius: 14px;
    border: 1px solid var(--panel-brd);
    background: rgba(0, 0, 0, 0.25);
}
.result.is-good { border-color: rgba(55, 224, 166, 0.5); background: rgba(55, 224, 166, 0.08); }
.result.is-bad  { border-color: rgba(255, 107, 129, 0.5); background: rgba(255, 107, 129, 0.08); }
.result h3 { margin: 0 0 6px; font-size: 1rem; }
.result p  { margin: 0 0 12px; color: var(--ink-soft); font-size: 0.88rem; }
.result .btn { margin-top: 4px; }
.result pre {
    white-space: pre-wrap;
    word-break: break-word;
    font-size: 0.78rem;
    color: var(--ink-soft);
    margin: 8px 0 0;
    max-height: 180px;
    overflow: auto;
}

/* Loading / spinner */
.loading { display: flex; align-items: center; gap: 10px; color: var(--ink-soft); font-size: 0.9rem; padding: 8px 0; }

.spinner {
    width: 18px;
    height: 18px;
    border-radius: 50%;
    border: 2px solid rgba(255, 255, 255, 0.25);
    border-top-color: #fff;
    animation: spin 0.7s linear infinite;
    display: inline-block;
}
.spinner--btn { width: 16px; height: 16px; }

@keyframes spin { to { transform: rotate(360deg); } }

.foot {
    text-align: center;
    margin-top: 22px;
    font-size: 0.76rem;
    color: var(--ink-dim);
}

.error-inline {
    color: var(--bad);
    font-size: 0.82rem;
    margin-top: 8px;
    min-height: 1em;
}