:root {
    --bg-0: #0d1718;
    --bg-1: #132223;
    --bg-2: #1e3534;
    --panel: rgba(14, 25, 27, 0.78);
    --panel-strong: rgba(17, 30, 31, 0.92);
    --panel-soft: rgba(198, 185, 131, 0.1);
    --line: rgba(219, 200, 124, 0.22);
    --line-strong: rgba(227, 208, 132, 0.48);
    --ink: #f2eed7;
    --muted: #b8b397;
    --accent: #dbc878;
    --accent-strong: #f0de99;
    --olive: #8f9d4a;
    --danger: #c36a5a;
    --shadow: 0 20px 60px rgba(0, 0, 0, 0.35);
    --radius-lg: 28px;
    --radius-md: 18px;
    --radius-sm: 12px;
    --font-display: "Trebuchet MS", "Segoe UI", sans-serif;
    --font-ui: "Segoe UI", Tahoma, Geneva, Verdana, sans-serif;
}

* {
    box-sizing: border-box;
}

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

body {
    margin: 0;
    color: var(--ink);
    font-family: var(--font-ui);
    background:
        radial-gradient(circle at top left, rgba(174, 132, 49, 0.16), transparent 30%),
        radial-gradient(circle at top right, rgba(88, 112, 73, 0.18), transparent 34%),
        linear-gradient(180deg, var(--bg-2), var(--bg-0) 55%, #091011 100%);
}

body::before {
    content: "";
    position: fixed;
    inset: 0;
    background-image:
        linear-gradient(rgba(255, 255, 255, 0.02) 1px, transparent 1px),
        linear-gradient(90deg, rgba(255, 255, 255, 0.02) 1px, transparent 1px);
    background-size: 28px 28px;
    opacity: 0.28;
    pointer-events: none;
}

button,
input {
    font: inherit;
}

.game-page .app-shell,
.manage-page {
    position: relative;
    z-index: 1;
}

.app-shell {
    width: min(1440px, calc(100% - 40px));
    margin: 0 auto;
    padding: 28px 0 34px;
}

.hero-bar,
.panel-surface,
.manage-page #element-list,
.manage-page #combination-form {
    backdrop-filter: blur(18px);
    -webkit-backdrop-filter: blur(18px);
    background: var(--panel);
    border: 1px solid var(--line);
    box-shadow: var(--shadow);
}

.hero-bar {
    display: grid;
    grid-template-columns: minmax(0, 1fr) auto;
    gap: 24px;
    padding: 26px 28px;
    border-radius: var(--radius-lg);
    margin-bottom: 24px;
    overflow: hidden;
}

.hero-copy h1,
.panel-head h2,
.subpanel-head h3,
.manage-page h2,
.manage-page h1 {
    margin: 0;
    font-family: var(--font-display);
    letter-spacing: 0.04em;
}

.hero-copy p,
.subpanel-note,
.guide-note,
.collection-summary,
.manage-page p,
.manage-page label {
    color: var(--muted);
}

.eyebrow,
.panel-kicker,
.result-kicker,
.manage-page h2 {
    margin-bottom: 8px;
    color: var(--accent);
    font-size: 0.72rem;
    font-weight: 800;
    letter-spacing: 0.24em;
    text-transform: uppercase;
}

.hero-copy p {
    max-width: 54ch;
    margin: 10px 0 0;
    line-height: 1.6;
}

.hero-stats {
    display: grid;
    grid-template-columns: repeat(3, minmax(110px, 1fr));
    gap: 12px;
    align-self: start;
}

.stat-pill,
.progress-chip {
    border-radius: 999px;
    border: 1px solid var(--line);
    background: rgba(247, 233, 173, 0.08);
    padding: 12px 16px;
}

.stat-pill {
    min-width: 118px;
}

.stat-label {
    display: block;
    margin-bottom: 6px;
    color: var(--muted);
    font-size: 0.72rem;
    letter-spacing: 0.18em;
    text-transform: uppercase;
}

.stat-value,
.progress-chip {
    color: var(--accent-strong);
    font-size: 1.45rem;
    font-weight: 800;
}

.workspace-grid {
    display: grid;
    grid-template-columns: minmax(360px, 0.95fr) minmax(420px, 1.25fr);
    gap: 24px;
    align-items: start;
}

.panel-surface {
    border-radius: var(--radius-lg);
    padding: 24px;
}

.panel-head,
.subpanel-head {
    display: flex;
    align-items: start;
    justify-content: space-between;
    gap: 16px;
}

.panel-head {
    margin-bottom: 18px;
}

.panel-head-secondary {
    margin-top: 26px;
}

.forge-stage {
    display: grid;
    grid-template-columns: minmax(0, 1fr) auto minmax(0, 1fr);
    gap: 16px;
    align-items: center;
    margin-bottom: 18px;
}

.forge-slot {
    min-height: 122px;
    padding: 18px;
    border: 1px solid var(--line);
    border-radius: var(--radius-md);
    background: linear-gradient(180deg, rgba(255, 245, 196, 0.08), rgba(255, 245, 196, 0.03));
    color: var(--ink);
    text-align: left;
    cursor: pointer;
    transition: transform 0.18s ease, border-color 0.18s ease, background 0.18s ease;
}

.forge-slot:hover,
.forge-slot.is-active {
    transform: translateY(-2px);
    border-color: var(--line-strong);
    background: linear-gradient(180deg, rgba(255, 241, 183, 0.16), rgba(255, 241, 183, 0.05));
}

.forge-slotLabel,
.result-message,
.frontier-cardMeta,
.element-chipMeta,
.history-meta,
.manage-page #feedback {
    display: block;
    font-size: 0.76rem;
    letter-spacing: 0.08em;
    text-transform: uppercase;
}

.forge-slotLabel,
.frontier-cardMeta,
.element-chipMeta,
.history-meta {
    color: var(--muted);
}

.forge-slotValue,
.result-value {
    display: block;
    margin-top: 10px;
    font-size: 1.45rem;
    font-weight: 800;
    letter-spacing: 0.04em;
}

.forge-plus {
    width: 52px;
    height: 52px;
    display: grid;
    place-items: center;
    border-radius: 999px;
    border: 1px solid var(--line);
    background: rgba(219, 200, 124, 0.08);
    color: var(--accent-strong);
    font-size: 1.4rem;
    font-weight: 900;
}

.forge-actions {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
    margin-bottom: 18px;
}

.action-button,
.manage-page button {
    border: 1px solid var(--line);
    border-radius: 999px;
    padding: 12px 18px;
    background: rgba(248, 233, 176, 0.08);
    color: var(--ink);
    cursor: pointer;
    transition: transform 0.18s ease, border-color 0.18s ease, background 0.18s ease;
}

.action-button:hover,
.manage-page button:hover,
.element-chip:hover,
.frontier-card:hover,
.pairing-card:hover {
    transform: translateY(-2px);
    border-color: var(--line-strong);
    background: rgba(248, 233, 176, 0.16);
}

.primary-button {
    background: linear-gradient(180deg, rgba(143, 157, 74, 0.92), rgba(111, 124, 53, 0.96));
    border-color: rgba(194, 214, 110, 0.45);
    color: #f7f4df;
}

.secondary-button {
    background: rgba(255, 245, 196, 0.08);
}

.danger-button {
    border-color: rgba(195, 106, 90, 0.4);
    background: rgba(195, 106, 90, 0.12);
}

.result-card,
.subpanel,
.search-shell,
.manage-page #element-list,
.manage-page #combination-form {
    border-radius: var(--radius-md);
    border: 1px solid var(--line);
    background: var(--panel-strong);
}

.result-card,
.subpanel {
    padding: 18px;
}

.result-card {
    margin-bottom: 18px;
}

.result-card.is-success {
    border-color: rgba(143, 157, 74, 0.48);
    box-shadow: inset 0 0 0 1px rgba(143, 157, 74, 0.22);
}

.result-card.is-warning {
    border-color: rgba(219, 200, 124, 0.46);
}

.result-card.is-error {
    border-color: rgba(195, 106, 90, 0.5);
}

.result-message {
    margin: 10px 0 0;
    color: var(--muted);
    letter-spacing: 0.04em;
    line-height: 1.6;
    text-transform: none;
}

.subpanel + .subpanel {
    margin-top: 18px;
}

.frontier-grid,
.pairing-grid,
.history-list,
.element-grid {
    display: grid;
    gap: 12px;
}

.frontier-grid {
    grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
    margin-bottom: 8px;
}

.pairing-grid,
.history-list {
    grid-template-columns: 1fr;
}

.frontier-card,
.pairing-card,
.history-card {
    padding: 14px;
    border-radius: var(--radius-sm);
    border: 1px solid var(--line);
    background: rgba(255, 248, 215, 0.04);
}

.frontier-cardTitle,
.pairing-cardTitle,
.history-title {
    margin-top: 8px;
    font-size: 1rem;
    font-weight: 800;
    letter-spacing: 0.04em;
}

.recipe-pair {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
    margin-top: 8px;
}

.recipe-node {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    min-height: 32px;
    padding: 6px 10px;
    border-radius: 999px;
    border: 1px solid rgba(255, 255, 255, 0.08);
    background: rgba(255, 255, 255, 0.04);
    color: var(--ink);
    font-size: 0.82rem;
    font-weight: 700;
}

.recipe-node.is-result {
    background: rgba(143, 157, 74, 0.18);
    border-color: rgba(143, 157, 74, 0.38);
}

.collection-summary {
    margin-bottom: 14px;
}

.search-shell {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    padding: 10px 14px;
}

.search-shell span {
    color: var(--muted);
    font-size: 0.72rem;
    letter-spacing: 0.18em;
    text-transform: uppercase;
}

.search-shell input,
.manage-page input {
    min-width: 220px;
    border: none;
    outline: none;
    background: transparent;
    color: var(--ink);
}

.search-shell input::placeholder,
.manage-page input::placeholder {
    color: #8d8a76;
}

.element-grid {
    grid-template-columns: repeat(auto-fill, minmax(150px, 1fr));
}

.element-chip {
    position: relative;
    overflow: hidden;
    min-height: 94px;
    padding: 14px;
    border-radius: 16px;
    border: 1px solid rgba(255, 255, 255, 0.08);
    background: linear-gradient(180deg, rgba(255, 255, 255, 0.06), rgba(255, 255, 255, 0.03));
    color: var(--ink);
    text-align: left;
    cursor: pointer;
}

.element-chip::before {
    content: "";
    position: absolute;
    inset: 0;
    background: linear-gradient(135deg, color-mix(in srgb, var(--element-color, #8f9d4a) 24%, transparent), transparent 65%);
    opacity: 0.95;
    pointer-events: none;
}

.element-chipName,
.manage-page .element-button {
    position: relative;
    z-index: 1;
    font-weight: 800;
    letter-spacing: 0.05em;
}

.element-chipMeta {
    position: relative;
    z-index: 1;
    margin-top: 8px;
}

.element-chipBadge {
    position: absolute;
    top: 12px;
    right: 12px;
    z-index: 1;
    min-width: 28px;
    height: 28px;
    display: grid;
    place-items: center;
    border-radius: 999px;
    background: rgba(0, 0, 0, 0.26);
    border: 1px solid rgba(255, 255, 255, 0.08);
    color: var(--accent-strong);
    font-size: 0.74rem;
    font-weight: 800;
}

.empty-state {
    padding: 16px;
    border: 1px dashed var(--line);
    border-radius: 16px;
    color: var(--muted);
    background: rgba(255, 255, 255, 0.03);
}

.manage-page {
    width: min(1240px, calc(100% - 40px));
    margin: 0 auto;
    padding: 28px 0 40px;
    display: grid;
    place-items: start center;
}

.manage-page #element-container {
    width: 100%;
    display: grid;
    grid-template-columns: minmax(260px, 0.9fr) minmax(360px, 1.1fr);
    gap: 24px;
}

.manage-page #element-list,
.manage-page #combination-form {
    padding: 22px;
}

.manage-page #element-list {
    max-height: 70vh;
    overflow-y: auto;
}

.manage-page .element-button {
    display: inline-flex;
    margin: 0 10px 10px 0;
    padding: 10px 12px;
    border: 1px solid var(--line);
    border-radius: 999px;
    background: rgba(255, 255, 255, 0.05);
    cursor: pointer;
}

.manage-page label {
    display: block;
    margin-top: 14px;
}

.manage-page input {
    width: 100%;
    margin-top: 8px;
    padding: 12px 14px;
    border-radius: 12px;
    border: 1px solid var(--line);
    background: rgba(255, 255, 255, 0.04);
}

.manage-page button {
    margin-top: 14px;
}

@media (max-width: 1080px) {
    .workspace-grid,
    .manage-page #element-container,
    .hero-bar {
        grid-template-columns: 1fr;
    }

    .hero-stats {
        grid-template-columns: repeat(3, minmax(0, 1fr));
    }
}

@media (max-width: 720px) {
    .app-shell,
    .manage-page {
        width: calc(100% - 20px);
        padding-top: 16px;
    }

    .panel-surface,
    .hero-bar,
    .manage-page #element-list,
    .manage-page #combination-form {
        padding: 18px;
        border-radius: 22px;
    }

    .hero-stats {
        grid-template-columns: 1fr;
    }

    .forge-stage {
        grid-template-columns: 1fr;
    }

    .forge-plus {
        margin: 0 auto;
    }

    .element-grid,
    .frontier-grid {
        grid-template-columns: 1fr;
    }

    .search-shell {
        width: 100%;
    }

    .search-shell input,
    .manage-page input {
        min-width: 0;
        width: 100%;
    }
}