@import url("https://fonts.googleapis.com/css2?family=Asap+Condensed:wght@500;600;700&family=Source+Sans+3:wght@400;500;600;700&display=swap");

:root {
    --brand-primary: #111827;
    --brand-primary-hover: #0b1020;
    --brand-secondary: #0e48fd;
    --brand-secondary-soft: #dbeafe;
    --brand-accent: #8b5cf6;
    --brand-gold: #d4a017;
    --brand-text: #0f172a;
    --brand-muted: #475569;
    --brand-border: #d9e2f2;
    --brand-input-bg: #f8fafc;
    --brand-input-border: #d4dce8;
    --brand-surface: rgba(255, 255, 255, 0.9);
    --brand-surface-strong: #ffffff;
    --brand-bg-1: #eaf3ff;
    --brand-bg-2: #ffffff;
    --brand-bg-3: #dbeafe;
    --ok: #166534;
    --warn: #b45309;
    --danger: #b91c1c;
    --shadow-soft: 0 20px 45px rgba(15, 23, 42, 0.12);
    --shadow-strong: 0 24px 60px rgba(15, 23, 42, 0.18);
    --radius-lg: 24px;
    --radius-md: 18px;
    --radius-sm: 14px;
}

* {
    box-sizing: border-box;
}

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

body {
    color: var(--brand-text);
    font-family: "Source Sans 3", "Segoe UI", sans-serif;
    background:
        radial-gradient(circle at 0 0, rgba(14, 72, 253, 0.18), transparent 26%),
        radial-gradient(circle at 100% 0, rgba(139, 92, 246, 0.14), transparent 24%),
        linear-gradient(180deg, var(--brand-bg-1), var(--brand-bg-2) 54%, var(--brand-bg-3));
}

img {
    max-width: 100%;
    display: block;
}

a {
    color: inherit;
}

button,
input,
select,
textarea {
    font: inherit;
}

.hidden {
    display: none !important;
}

.page-shell {
    width: min(1380px, calc(100vw - 32px));
    margin: 0 auto;
    padding: 22px 0 34px;
}

.brand-strip {
    position: relative;
    overflow: hidden;
    border-radius: 28px;
    border: 1px solid rgba(255, 255, 255, 0.72);
    background:
        linear-gradient(135deg, rgba(17, 24, 39, 0.96), rgba(14, 72, 253, 0.92) 58%, rgba(139, 92, 246, 0.88)),
        linear-gradient(90deg, rgba(255, 255, 255, 0.04), rgba(255, 255, 255, 0));
    box-shadow: var(--shadow-strong);
    color: #fff;
}

.brand-strip::before,
.brand-strip::after {
    content: "";
    position: absolute;
    border-radius: 999px;
    pointer-events: none;
}

.brand-strip::before {
    width: 320px;
    height: 320px;
    right: -80px;
    top: -180px;
    background: rgba(255, 255, 255, 0.12);
}

.brand-strip::after {
    width: 220px;
    height: 220px;
    left: -70px;
    bottom: -110px;
    background: rgba(212, 160, 23, 0.16);
}

.brand-strip__inner {
    position: relative;
    z-index: 1;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 24px;
    padding: 24px 28px;
}

.brand-copy {
    min-width: 0;
}

.brand-kicker {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    margin-bottom: 8px;
    font-size: 0.9rem;
    font-weight: 700;
    letter-spacing: 0.12em;
    text-transform: uppercase;
    color: rgba(255, 255, 255, 0.74);
}

.brand-kicker::before {
    content: "";
    width: 34px;
    height: 2px;
    border-radius: 999px;
    background: rgba(212, 160, 23, 0.95);
}

.brand-title {
    margin: 0;
    font-family: "Asap Condensed", sans-serif;
    font-size: clamp(2.1rem, 4vw, 3.2rem);
    line-height: 0.95;
    letter-spacing: 0.02em;
}

.brand-subtitle {
    margin: 10px 0 0;
    max-width: 62ch;
    font-size: 1rem;
    line-height: 1.45;
    color: rgba(255, 255, 255, 0.82);
}

.brand-logos {
    display: flex;
    align-items: center;
    justify-content: flex-end;
    flex-wrap: wrap;
    gap: 14px;
}

.brand-logo-card {
    min-width: 96px;
    min-height: 82px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.brand-logo-card.is-system {
    min-width: 132px;
}

.brand-logo-card img {
    max-height: 120px;
    width: auto;
    object-fit: contain;
}

.brand-logo-card[data-empty="true"] {
    display: none;
}

.surface-card {
    background: var(--brand-surface);
    border: 1px solid rgba(255, 255, 255, 0.78);
    box-shadow: var(--shadow-soft);
    backdrop-filter: blur(10px);
}

.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    border: 0;
    border-radius: 16px;
    padding: 11px 16px;
    cursor: pointer;
    font-weight: 700;
    transition: transform 0.12s ease, box-shadow 0.2s ease, background 0.2s ease;
}

.btn:hover {
    transform: translateY(-1px);
}

.btn:active {
    transform: translateY(0);
}

.btn:disabled {
    opacity: 0.55;
    cursor: not-allowed;
    transform: none;
}

.btn-main {
    background: linear-gradient(90deg, var(--brand-primary), var(--brand-secondary));
    color: #fff;
    box-shadow: 0 14px 28px rgba(14, 72, 253, 0.18);
}

.btn-main:hover {
    background: linear-gradient(90deg, var(--brand-primary-hover), var(--brand-secondary));
}

.btn-lite {
    background: rgba(255, 255, 255, 0.84);
    color: var(--brand-primary);
    border: 1px solid rgba(17, 24, 39, 0.08);
}

.btn-ghost {
    background: rgba(255, 255, 255, 0.12);
    color: #fff;
    border: 1px solid rgba(255, 255, 255, 0.18);
}

.field {
    margin-bottom: 14px;
}

label {
    display: block;
    margin-bottom: 7px;
    font-size: 0.94rem;
    font-weight: 700;
    color: var(--brand-text);
}

input[type="text"],
textarea,
select {
    width: 100%;
    padding: 12px 14px;
    border-radius: 16px;
    border: 1px solid var(--brand-input-border);
    background: var(--brand-input-bg);
    color: var(--brand-text);
    transition: border-color 0.2s ease, box-shadow 0.2s ease, background 0.2s ease;
}

input[type="text"]:focus,
textarea:focus,
select:focus {
    outline: 0;
    border-color: rgba(14, 72, 253, 0.46);
    box-shadow: 0 0 0 4px rgba(59, 130, 246, 0.18);
    background: #fff;
}

textarea {
    min-height: 120px;
    resize: vertical;
}

.alert {
    display: none;
    border-radius: 16px;
    padding: 12px 14px;
    margin-top: 10px;
    font-weight: 600;
}

.alert.show {
    display: block;
}

.alert.warn {
    background: #fff4e5;
    color: var(--warn);
}

.alert.ok {
    background: #dcfce7;
    color: var(--ok);
}

.note {
    color: var(--brand-muted);
}

.tabs {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
}

.tab-btn {
    border: 1px solid rgba(14, 72, 253, 0.12);
    background: rgba(255, 255, 255, 0.84);
    color: var(--brand-primary);
    border-radius: 999px;
    padding: 8px 14px;
    cursor: pointer;
    font-weight: 700;
}

.tab-btn.active {
    background: linear-gradient(90deg, var(--brand-primary), var(--brand-secondary));
    color: #fff;
    border-color: transparent;
}

.editor-toolbar {
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 12px;
    flex-wrap: wrap;
    margin-bottom: 12px;
}

.editor-stats {
    color: var(--brand-muted);
    font-size: 0.92rem;
}

.code-editor {
    min-height: 540px !important;
    font-family: "Cascadia Code", Consolas, monospace !important;
    font-size: 0.95rem;
    line-height: 1.5;
    white-space: pre;
    overflow: auto;
    tab-size: 2;
}

.overlay,
.config-overlay {
    position: fixed;
    inset: 0;
    display: none;
    place-items: center;
    background: rgba(15, 23, 42, 0.42);
    z-index: 1000;
    backdrop-filter: blur(4px);
}

.overlay.show,
.config-overlay.show {
    display: grid;
}

.loader-card {
    min-width: 280px;
    padding: 20px;
    border-radius: 22px;
    background: rgba(255, 255, 255, 0.96);
    box-shadow: var(--shadow-strong);
    text-align: center;
}

.spinner {
    width: 50px;
    height: 50px;
    border: 4px solid rgba(14, 72, 253, 0.14);
    border-top-color: var(--brand-secondary);
    border-radius: 50%;
    margin: 0 auto 10px;
    animation: spin 0.85s linear infinite;
}

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

@media (max-width: 980px) {
    .page-shell {
        width: min(100vw - 20px, 1380px);
        padding-top: 12px;
    }

    .brand-strip__inner {
        flex-direction: column;
        align-items: flex-start;
        padding: 20px;
    }

    .brand-logos {
        justify-content: flex-start;
    }
}