:root {
    --ink: #080b10;
    --ink-soft: #0d141b;
    --panel: rgba(10, 18, 24, 0.92);
    --panel-solid: #0b1218;
    --line: #29423b;
    --line-bright: #52ffb8;
    --mint: #52ffb8;
    --cyan: #42d9ff;
    --red: #ff4964;
    --amber: #f3bf5b;
    --paper: #e7efe8;
    --muted: #8da49d;
    --dim: #546760;
    --step-cut: polygon(0 8px, 8px 8px, 8px 0, calc(100% - 8px) 0, calc(100% - 8px) 8px, 100% 8px, 100% calc(100% - 8px), calc(100% - 8px) calc(100% - 8px), calc(100% - 8px) 100%, 8px 100%, 8px calc(100% - 8px), 0 calc(100% - 8px));
    --font-mono: "SFMono-Regular", "Cascadia Mono", "Roboto Mono", "Noto Sans Mono CJK SC", monospace;
    --font-ui: Inter, "PingFang SC", "Microsoft YaHei", sans-serif;
}

* {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

html,
body {
    width: 100%;
    min-width: 320px;
    min-height: 100%;
    background: var(--ink);
}

.forum-account-cluster {
    display: flex;
    align-items: center;
    justify-content: flex-end;
    gap: 12px;
    min-width: 0;
}

.forum-return,
.forum-account {
    border: 1px solid rgba(137, 220, 206, .22);
    background: rgba(5, 13, 20, .72);
    color: var(--text);
    min-height: 38px;
}

.forum-return {
    display: inline-flex;
    align-items: center;
    padding: 0 14px;
    color: var(--mint);
    font-size: 12px;
    letter-spacing: .08em;
    text-decoration: none;
}

.forum-account {
    display: grid;
    gap: 1px;
    padding: 6px 12px;
}

.forum-account b,
.forum-account small {
    overflow: hidden;
    max-width: 150px;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.forum-account b { font-size: 12px; }
.forum-account small { color: var(--mint); font-size: 10px; }
#forumAccountStamina { color: #f0c06a; }

#forumSyncStatus[data-tone="offline"] i,
#forumSyncStatus[data-tone="error"] i { background: #d49b63; }
#forumSyncStatus[data-tone="syncing"] i { animation: forum-sync-pulse .8s infinite alternate; }

.forum-account-hint {
    margin: 8px 0 18px;
    color: var(--muted);
    font-size: 12px;
    line-height: 1.6;
}

#forumGameToast {
    position: fixed;
    z-index: 10000;
    top: 24px;
    left: 50%;
    max-width: min(560px, calc(100vw - 32px));
    padding: 13px 20px;
    border: 1px solid rgba(137, 220, 206, .4);
    background: rgba(5, 17, 23, .96);
    color: #eefbf8;
    box-shadow: 0 18px 60px rgba(0, 0, 0, .48), 0 0 24px rgba(90, 220, 192, .14);
    font-size: 13px;
    letter-spacing: .05em;
    opacity: 0;
    pointer-events: none;
    transform: translate(-50%, -16px);
    transition: opacity .24s ease, transform .24s ease;
}

#forumGameToast.is-visible { opacity: 1; transform: translate(-50%, 0); }
#forumGameToast[data-tone="reward"] { border-color: rgba(232, 194, 112, .7); color: #ffe7a8; }
#forumGameToast[data-tone="error"] { border-color: rgba(215, 111, 111, .7); }

@keyframes forum-sync-pulse { to { opacity: .32; } }

@media (max-width: 900px) {
    .forum-account-cluster { gap: 6px; }
    .forum-return { padding: 0 9px; font-size: 10px; }
    .forum-account { display: none; }
    #forumSyncStatus { max-width: 128px; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
}

body {
    color: var(--paper);
    font-family: var(--font-ui);
    overflow: hidden;
}

button,
input {
    font: inherit;
}

button {
    color: inherit;
}

button:focus-visible,
input:focus-visible {
    outline: 2px solid var(--cyan);
    outline-offset: 3px;
}

.game-container {
    position: relative;
    width: 100vw;
    height: 100vh;
    height: 100dvh;
    overflow: hidden;
    background: var(--ink);
}

.screen {
    position: absolute;
    inset: 0;
    isolation: isolate;
    overflow: hidden;
}

.screen-background {
    position: absolute;
    inset: -2px;
    z-index: -3;
    background-position: center;
    background-size: cover;
    image-rendering: pixelated;
}

.screen-background::before,
.screen-background::after {
    content: "";
    position: absolute;
    inset: 0;
}

.screen-background::before {
    background: linear-gradient(90deg, rgba(5, 9, 12, 0.96) 0%, rgba(5, 9, 12, 0.72) 47%, rgba(5, 9, 12, 0.28) 100%);
}

.screen-background::after {
    background: linear-gradient(0deg, rgba(4, 7, 9, 0.9) 0%, transparent 34%, rgba(4, 7, 9, 0.42) 100%);
}

.digital-grid {
    position: absolute;
    inset: 0;
    z-index: -1;
    pointer-events: none;
    opacity: 0.15;
    background-image:
        linear-gradient(rgba(82, 255, 184, 0.18) 1px, transparent 1px),
        linear-gradient(90deg, rgba(82, 255, 184, 0.18) 1px, transparent 1px);
    background-size: 64px 64px;
    mask-image: linear-gradient(90deg, #000, transparent 75%);
}

.eyebrow,
.panel-code,
.rail-label,
.boot-kicker {
    color: var(--mint);
    font-family: var(--font-mono);
    font-size: clamp(0.58rem, 0.7vw, 0.72rem);
    letter-spacing: 0.19em;
    text-transform: uppercase;
}

.topbar,
.subscreen-header,
.battle-header {
    position: relative;
    z-index: 4;
    display: flex;
    align-items: center;
    justify-content: space-between;
    width: 100%;
    border-bottom: 1px solid rgba(82, 255, 184, 0.2);
    background: linear-gradient(90deg, rgba(7, 12, 16, 0.92), rgba(7, 12, 16, 0.44));
}

.topbar {
    grid-column: 1 / -1;
    padding: 18px clamp(22px, 4vw, 64px);
}

.brand-lockup {
    display: flex;
    align-items: center;
    gap: 14px;
}

.brand-emblem {
    width: 58px;
    height: 58px;
    object-fit: contain;
    image-rendering: pixelated;
    filter: drop-shadow(0 0 8px rgba(82, 255, 184, 0.18));
}

.brand-lockup h1 {
    margin-top: 4px;
    color: var(--paper);
    font-family: var(--font-ui);
    font-size: clamp(1rem, 1.55vw, 1.45rem);
    font-weight: 650;
    letter-spacing: 0.08em;
}

.system-chip,
.threat-chip {
    display: flex;
    align-items: center;
    gap: 9px;
    color: var(--muted);
    font-family: var(--font-mono);
    font-size: 0.68rem;
    letter-spacing: 0.08em;
}

.system-chip i,
.story-location i,
.threat-chip i {
    width: 7px;
    height: 7px;
    background: var(--mint);
    box-shadow: 0 0 10px rgba(82, 255, 184, 0.72);
    animation: statusBlink 2.4s steps(1) infinite;
}

@keyframes statusBlink {
    0%, 88%, 100% { opacity: 1; }
    89%, 94% { opacity: 0.25; }
}

/* Main menu */
.start-menu {
    display: grid;
    grid-template-columns: minmax(0, 1.15fr) minmax(330px, 0.62fr);
    grid-template-rows: auto 1fr auto;
}

.menu-background {
    background-image: url("../assets/backgrounds/main-menu.webp");
}

.menu-hero {
    align-self: end;
    max-width: 760px;
    padding: 0 5vw clamp(52px, 8vh, 100px);
}

.hero-index {
    display: inline-block;
    margin-bottom: 22px;
    padding: 6px 9px;
    border-left: 3px solid var(--mint);
    background: rgba(7, 15, 17, 0.72);
    color: var(--muted);
    font-family: var(--font-mono);
    font-size: 0.68rem;
    letter-spacing: 0.12em;
}

.hero-kicker {
    margin-bottom: 10px;
    color: var(--cyan);
    font-family: var(--font-mono);
    font-size: clamp(0.78rem, 1vw, 0.95rem);
    letter-spacing: 0.34em;
}

.menu-hero h2 {
    max-width: 740px;
    color: #f2f5ef;
    font-size: clamp(3rem, 6vw, 6.8rem);
    font-weight: 850;
    line-height: 0.96;
    letter-spacing: -0.04em;
    text-shadow: 8px 8px 0 rgba(5, 10, 12, 0.52);
}

.menu-hero h2 span {
    color: transparent;
    -webkit-text-stroke: 1px rgba(231, 239, 232, 0.72);
}

.hero-description {
    max-width: 620px;
    margin-top: 24px;
    border-left: 1px solid var(--line);
    padding-left: 18px;
    color: #afc1bb;
    font-size: clamp(0.86rem, 1.08vw, 1.02rem);
    line-height: 1.8;
}

.hero-meta {
    display: flex;
    flex-wrap: wrap;
    gap: 24px;
    margin-top: 22px;
    color: var(--muted);
    font-family: var(--font-mono);
    font-size: 0.66rem;
    letter-spacing: 0.1em;
}

.hero-meta b {
    margin-right: 6px;
    color: var(--mint);
    font-size: 1rem;
}

.menu-rail {
    align-self: center;
    width: min(90%, 430px);
    margin-right: clamp(22px, 5vw, 86px);
    justify-self: end;
}

.rail-label {
    margin-bottom: 12px;
    color: var(--muted);
}

.menu-command {
    position: relative;
    display: grid;
    grid-template-columns: 42px 1fr 18px;
    align-items: center;
    width: 100%;
    min-height: 84px;
    margin-top: 8px;
    padding: 12px 18px;
    overflow: hidden;
    border: 1px solid rgba(99, 130, 119, 0.5);
    background: rgba(7, 13, 17, 0.84);
    text-align: left;
    color: inherit;
    text-decoration: none;
    cursor: pointer;
    clip-path: var(--step-cut);
    transition: border-color 140ms steps(2), background 140ms steps(2), transform 140ms steps(2);
}

.menu-command::before {
    content: "";
    position: absolute;
    inset: 0 auto 0 0;
    width: 4px;
    background: var(--line);
}

.menu-command:hover:not(:disabled),
.menu-command:focus-visible {
    border-color: var(--mint);
    background: rgba(11, 28, 24, 0.94);
    transform: translateX(-6px);
}

.menu-command.is-primary::before {
    background: var(--mint);
}

.command-index {
    color: var(--dim);
    font-family: var(--font-mono);
    font-size: 0.7rem;
}

.menu-command b {
    display: block;
    color: var(--paper);
    font-size: 1rem;
    font-weight: 650;
    letter-spacing: 0.08em;
}

.menu-command small {
    display: block;
    margin-top: 5px;
    color: var(--muted);
    font-family: var(--font-mono);
    font-size: 0.58rem;
    letter-spacing: 0.15em;
}

.menu-command > i {
    color: var(--mint);
    font-family: var(--font-mono);
    font-size: 1.5rem;
    font-style: normal;
}

.menu-command:disabled {
    cursor: not-allowed;
    filter: saturate(0.15);
}

.system-footer {
    grid-column: 1 / -1;
    display: flex;
    justify-content: space-between;
    gap: 12px;
    padding: 12px clamp(22px, 4vw, 64px);
    border-top: 1px solid rgba(82, 255, 184, 0.16);
    background: rgba(4, 8, 11, 0.84);
    color: #5f766f;
    font-family: var(--font-mono);
    font-size: 0.58rem;
    letter-spacing: 0.13em;
}

/* Shared sub screens */
.creation-screen,
.chapter-screen,
.route-archive-screen,
.battle-screen {
    display: none;
}

.subscreen-header {
    min-height: 84px;
    padding: 14px clamp(20px, 3.5vw, 54px);
}

.subscreen-header h2 {
    margin-top: 5px;
    font-size: clamp(1.25rem, 2.1vw, 2rem);
    letter-spacing: 0.08em;
}

.back-command {
    border: 0;
    background: transparent;
    color: var(--muted);
    font-family: var(--font-mono);
    font-size: 0.68rem;
    letter-spacing: 0.1em;
    cursor: pointer;
}

.back-command:hover {
    color: var(--mint);
}

.step-counter {
    color: var(--cyan);
    font-family: var(--font-mono);
    font-size: 0.7rem;
    letter-spacing: 0.14em;
}

/* Character creation */
.creation-background {
    background-image: url("../assets/backgrounds/academy-gate.webp");
}

.creation-background::before {
    background: linear-gradient(90deg, rgba(5, 9, 12, 0.48) 0%, rgba(5, 9, 12, 0.72) 56%, rgba(5, 9, 12, 0.96) 100%);
}

.creation-layout {
    display: grid;
    grid-template-columns: minmax(360px, 1.15fr) minmax(370px, 0.85fr);
    height: calc(100% - 84px);
}

.candidate-stage {
    position: relative;
    min-height: 0;
    overflow: hidden;
    border-right: 1px solid rgba(82, 255, 184, 0.2);
}

.candidate-stage::after {
    content: "";
    position: absolute;
    left: 18%;
    right: 18%;
    bottom: 4%;
    height: 16px;
    border: 1px solid rgba(82, 255, 184, 0.3);
    background: rgba(4, 10, 12, 0.66);
    box-shadow: 0 -18px 40px rgba(82, 255, 184, 0.08);
}

.candidate-target {
    position: absolute;
    left: 50%;
    top: 48%;
    width: min(46vw, 510px);
    aspect-ratio: 1;
    border: 1px solid rgba(82, 255, 184, 0.15);
    transform: translate(-50%, -50%);
}

.candidate-target::before,
.candidate-target::after {
    content: "";
    position: absolute;
    inset: 12%;
    border: 1px dashed rgba(66, 217, 255, 0.18);
    transform: rotate(45deg);
}

.candidate-target::after {
    inset: 29%;
    border-style: solid;
}

.candidate-art {
    position: absolute;
    left: 50%;
    bottom: 4%;
    width: min(64%, 550px);
    height: 90%;
    object-fit: contain;
    object-position: center bottom;
    image-rendering: pixelated;
    opacity: 0;
    filter: drop-shadow(20px 12px 0 rgba(2, 6, 8, 0.44));
    transform: translateX(-49%) translateY(12px);
    transition: opacity 120ms steps(2), transform 120ms steps(2);
}

.candidate-art.is-active {
    opacity: 1;
    transform: translateX(-50%) translateY(0);
}

.candidate-readout {
    position: absolute;
    left: 5%;
    bottom: 6%;
    z-index: 2;
    display: flex;
    flex-direction: column;
    gap: 5px;
    color: var(--muted);
    font-family: var(--font-mono);
    font-size: 0.58rem;
    letter-spacing: 0.14em;
}

.registration-panel {
    align-self: center;
    width: min(88%, 520px);
    max-height: calc(100vh - 120px);
    margin: 0 auto;
    padding: clamp(24px, 3vw, 42px);
    overflow-y: auto;
    border: 1px solid rgba(82, 255, 184, 0.32);
    background: var(--panel);
    box-shadow: 12px 12px 0 rgba(3, 7, 9, 0.46);
    clip-path: var(--step-cut);
}

.registration-panel > label,
.gender-fieldset legend {
    display: block;
    margin: 24px 0 9px;
    color: var(--paper);
    font-size: 0.84rem;
    font-weight: 650;
    letter-spacing: 0.08em;
}

.terminal-input {
    display: flex;
    align-items: center;
    gap: 9px;
    height: 52px;
    padding: 0 14px;
    border: 1px solid var(--line);
    background: rgba(2, 7, 9, 0.86);
    color: var(--mint);
}

.terminal-input input {
    min-width: 0;
    flex: 1;
    border: 0;
    background: transparent;
    color: var(--paper);
    font-family: var(--font-mono);
    font-size: 0.95rem;
}

.terminal-input input::placeholder {
    color: #4d625b;
}

.terminal-input input:focus {
    outline: none;
}

.gender-fieldset {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 8px;
    border: 0;
}

.gender-option {
    display: flex;
    justify-content: space-between;
    min-height: 48px;
    padding: 0 13px;
    border: 1px solid var(--line);
    background: rgba(5, 12, 15, 0.82);
    color: var(--muted);
    font-family: var(--font-mono);
    font-size: 0.68rem;
    letter-spacing: 0.06em;
    align-items: center;
    cursor: pointer;
}

.gender-option i {
    color: var(--dim);
    font-style: normal;
}

.gender-option.is-selected {
    border-color: var(--mint);
    background: rgba(25, 69, 54, 0.42);
    color: var(--paper);
}

.trait-card {
    display: grid;
    grid-template-columns: 38px 1fr;
    gap: 4px 12px;
    margin-top: 22px;
    padding: 15px;
    border-left: 3px solid var(--cyan);
    background: rgba(8, 20, 25, 0.84);
}

.trait-icon {
    grid-row: 1 / 3;
    color: var(--cyan);
    font-size: 1.7rem;
}

.trait-card small {
    display: block;
    color: var(--muted);
    font-family: var(--font-mono);
    font-size: 0.52rem;
    letter-spacing: 0.12em;
}

.trait-card b {
    display: block;
    margin-top: 3px;
    color: var(--paper);
    font-size: 1rem;
}

.trait-card p {
    grid-column: 2;
    color: var(--muted);
    font-size: 0.72rem;
    line-height: 1.6;
}

.confirm-command {
    display: flex;
    align-items: center;
    justify-content: space-between;
    width: 100%;
    min-height: 54px;
    margin-top: 24px;
    padding: 0 18px;
    border: 1px solid var(--mint);
    background: var(--mint);
    color: #07110d;
    font-weight: 750;
    letter-spacing: 0.08em;
    cursor: pointer;
    clip-path: var(--step-cut);
}

.confirm-command:hover {
    background: var(--paper);
}

.confirm-command span {
    font-family: var(--font-mono);
    font-size: 0.6rem;
}

/* Chapter archive */
.archive-background {
    background-image: url("../assets/backgrounds/battle-archive.webp");
}

.archive-background::before {
    background: rgba(5, 9, 12, 0.88);
}

.chapter-layout {
    display: grid;
    grid-template-columns: minmax(0, 1fr) minmax(300px, 380px);
    gap: clamp(20px, 3vw, 48px);
    height: calc(100% - 84px);
    padding: clamp(20px, 3vw, 44px) clamp(20px, 4vw, 64px);
}

.chapter-list {
    min-height: 0;
    overflow-y: auto;
    padding: 2px 12px 30px 2px;
    scrollbar-color: var(--line) transparent;
}

.chapter-act {
    margin-bottom: 34px;
}

.act-head {
    display: flex;
    align-items: center;
    gap: 12px;
    margin-bottom: 16px;
}

.act-head span {
    min-width: 58px;
    color: var(--cyan);
    font-family: var(--font-mono);
    font-size: 0.64rem;
    letter-spacing: 0.12em;
}

.act-head h3 {
    color: var(--paper);
    font-size: 0.92rem;
    font-weight: 650;
    letter-spacing: 0.08em;
}

.act-head i {
    flex: 1;
    height: 1px;
    background: linear-gradient(90deg, var(--line), transparent);
}

.chapter-nodes {
    position: relative;
    display: grid;
    grid-template-columns: repeat(5, minmax(100px, 1fr));
    gap: 10px;
}

.chapter-nodes::before {
    content: "";
    position: absolute;
    top: 28px;
    left: 5%;
    right: 5%;
    height: 1px;
    background: var(--line);
}

.chapter-node {
    position: relative;
    min-width: 0;
    padding: 0;
    border: 0;
    background: transparent;
    text-align: left;
    cursor: pointer;
}

.node-number {
    position: relative;
    z-index: 1;
    display: grid;
    place-items: center;
    width: 56px;
    height: 56px;
    border: 1px solid var(--line);
    background: var(--panel-solid);
    color: var(--dim);
    font-family: var(--font-mono);
    font-size: 0.85rem;
    clip-path: var(--step-cut);
}

.node-title {
    display: block;
    margin-top: 10px;
    overflow: hidden;
    color: var(--muted);
    font-size: 0.72rem;
    font-weight: 650;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.node-status {
    display: block;
    margin-top: 4px;
    color: var(--dim);
    font-family: var(--font-mono);
    font-size: 0.52rem;
    letter-spacing: 0.08em;
}

.chapter-node.is-unlocked .node-number {
    border-color: var(--mint);
    color: var(--mint);
}

.chapter-node.is-unlocked .node-title {
    color: var(--paper);
}

.chapter-node.is-selected .node-number {
    background: var(--mint);
    color: var(--ink);
    box-shadow: 7px 7px 0 rgba(82, 255, 184, 0.12);
}

.chapter-node:hover .node-number {
    border-color: var(--cyan);
}

.chapter-node.is-locked {
    cursor: default;
}

.chapter-inspector {
    align-self: center;
    padding: clamp(24px, 3vw, 38px);
    border: 1px solid rgba(82, 255, 184, 0.28);
    background: rgba(7, 13, 17, 0.93);
    box-shadow: 12px 12px 0 rgba(1, 5, 7, 0.42);
    clip-path: var(--step-cut);
}

.detail-number {
    margin-top: 22px;
    color: rgba(82, 255, 184, 0.25);
    font-family: var(--font-mono);
    font-size: clamp(4rem, 7vw, 7rem);
    font-weight: 900;
    line-height: 0.82;
}

.detail-act {
    margin-top: 24px;
    color: var(--cyan);
    font-family: var(--font-mono);
    font-size: 0.62rem;
    letter-spacing: 0.1em;
}

.chapter-inspector h3 {
    margin-top: 8px;
    color: var(--paper);
    font-size: clamp(1.5rem, 2.5vw, 2.35rem);
    letter-spacing: 0.05em;
}

.detail-subtitle {
    margin-top: 5px;
    color: var(--muted);
    font-family: var(--font-mono);
    font-size: 0.62rem;
    letter-spacing: 0.18em;
}

.detail-description {
    min-height: 72px;
    margin-top: 22px;
    color: #a8bbb5;
    font-size: 0.82rem;
    line-height: 1.75;
}

.detail-status-row {
    display: flex;
    justify-content: space-between;
    margin-top: 22px;
    padding: 12px 0;
    border-top: 1px solid var(--line);
    border-bottom: 1px solid var(--line);
    color: var(--muted);
    font-size: 0.7rem;
}

.detail-status-row b {
    color: var(--mint);
}

.chapter-inspector .confirm-command:disabled {
    border-color: var(--line);
    background: #1a2522;
    color: var(--dim);
    cursor: not-allowed;
}

/* Route archive */
.route-archive-layout {
    display: grid;
    grid-template-columns: minmax(280px, 0.34fr) minmax(0, 0.66fr);
    gap: clamp(18px, 3vw, 42px);
    height: calc(100% - 84px);
    padding: clamp(20px, 3vw, 44px) clamp(20px, 4vw, 64px);
}

.route-summary-panel,
.route-history-panel {
    min-height: 0;
    border: 1px solid rgba(82, 255, 184, 0.28);
    background: rgba(7, 13, 17, 0.94);
    clip-path: var(--step-cut);
}

.route-summary-panel {
    padding: clamp(22px, 3vw, 34px);
}

.route-summary-panel h3,
.route-history-panel h3 {
    margin-top: 20px;
    font-size: 1rem;
    letter-spacing: 0.08em;
}

.route-archive-stats {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 8px;
    margin-top: 18px;
}

.route-stat {
    min-height: 78px;
    padding: 13px;
    border: 1px solid var(--line);
    background: rgba(9, 22, 23, 0.76);
}

.route-stat b,
.route-stat span {
    display: block;
}

.route-stat b {
    color: var(--mint);
    font-family: var(--font-mono);
    font-size: 1.35rem;
}

.route-stat span {
    margin-top: 6px;
    color: var(--muted);
    font-size: 0.64rem;
}

.route-ending-list {
    display: grid;
    gap: 8px;
    margin-top: 12px;
}

.route-ending-card {
    padding: 12px 14px;
    border-left: 2px solid var(--cyan);
    background: rgba(9, 19, 24, 0.82);
}

.route-ending-card b,
.route-ending-card small {
    display: block;
}

.route-ending-card b {
    font-size: 0.8rem;
}

.route-ending-card small {
    margin-top: 4px;
    color: var(--muted);
    font-family: var(--font-mono);
    font-size: 0.54rem;
    letter-spacing: 0.08em;
}

.route-history-panel {
    display: flex;
    flex-direction: column;
    padding: clamp(20px, 2.5vw, 32px);
}

.route-history-head {
    display: flex;
    align-items: end;
    justify-content: space-between;
    gap: 16px;
    padding-bottom: 16px;
    border-bottom: 1px solid var(--line);
}

.route-history-head h3 {
    margin-top: 6px;
}

.route-history-head > span {
    color: var(--dim);
    font-family: var(--font-mono);
    font-size: 0.56rem;
}

.route-archive-list {
    min-height: 0;
    margin-top: 12px;
    overflow-y: auto;
    scrollbar-color: var(--line) transparent;
}

.route-record {
    display: grid;
    grid-template-columns: 56px minmax(0, 1fr);
    gap: 12px;
    padding: 14px 4px;
    border-bottom: 1px solid rgba(41, 66, 59, 0.66);
}

.route-record-index {
    color: var(--cyan);
    font-family: var(--font-mono);
    font-size: 0.63rem;
}

.route-record b,
.route-record p,
.route-record small {
    display: block;
}

.route-record b {
    font-size: 0.78rem;
}

.route-record p {
    margin-top: 5px;
    color: #afc1bb;
    font-size: 0.72rem;
    line-height: 1.6;
}

.route-record small,
.route-empty {
    margin-top: 6px;
    color: var(--dim);
    font-family: var(--font-mono);
    font-size: 0.54rem;
}

/* Battle */
.battle-background {
    background-image: url("../assets/backgrounds/qin/final-battlefield.webp");
}

.battle-background::before {
    background: linear-gradient(90deg, rgba(4, 10, 12, 0.74), rgba(4, 8, 11, 0.28) 50%, rgba(17, 5, 8, 0.7));
}

.battle-grid {
    position: absolute;
    inset: 0;
    z-index: -1;
    background-image: linear-gradient(rgba(82, 255, 184, 0.07) 1px, transparent 1px), linear-gradient(90deg, rgba(82, 255, 184, 0.07) 1px, transparent 1px);
    background-size: 32px 32px;
    mask-image: linear-gradient(0deg, #000, transparent 72%);
}

.battle-header {
    min-height: 70px;
    padding: 12px clamp(20px, 3.5vw, 52px);
}

.battle-header > div:first-child {
    display: flex;
    flex-direction: column;
    gap: 4px;
}

.battle-header span {
    color: var(--muted);
    font-family: var(--font-mono);
    font-size: 0.56rem;
    letter-spacing: 0.14em;
}

.battle-header b {
    color: var(--paper);
    font-size: 0.92rem;
    letter-spacing: 0.1em;
}

.threat-chip {
    color: #e8a1ad;
}

.threat-chip i {
    background: var(--red);
    box-shadow: 0 0 10px rgba(255, 73, 100, 0.72);
}

.battle-scene {
    position: absolute;
    top: 70px;
    left: 0;
    right: 0;
    bottom: clamp(210px, 27vh, 280px);
    display: grid;
    grid-template-columns: 1fr 80px 1fr;
    align-items: stretch;
}

.combatant {
    position: relative;
    min-width: 0;
}

.character-info {
    position: absolute;
    z-index: 3;
    top: clamp(20px, 3vh, 42px);
    width: min(78%, 440px);
    padding: 15px 17px;
    border: 1px solid var(--line);
    background: rgba(5, 12, 15, 0.88);
    clip-path: var(--step-cut);
}

.player-info {
    left: clamp(20px, 4vw, 64px);
    border-left: 3px solid var(--mint);
}

.enemy-info {
    right: clamp(20px, 4vw, 64px);
    border-right: 3px solid var(--red);
}

.name-plate,
.meter-label {
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.name-plate {
    margin-bottom: 13px;
    font-size: 0.95rem;
    font-weight: 700;
    letter-spacing: 0.08em;
}

.level-badge,
.bloodline-badge {
    padding: 3px 7px;
    border: 1px solid currentColor;
    color: var(--amber);
    font-family: var(--font-mono);
    font-size: 0.56rem;
}

.meter-label {
    margin: 7px 0 4px;
    color: var(--muted);
    font-family: var(--font-mono);
    font-size: 0.52rem;
    letter-spacing: 0.08em;
}

.hp-bar,
.sp-bar {
    position: relative;
    height: 8px;
    overflow: hidden;
    border: 1px solid #26352f;
    background: #030706;
}

.hp-fill,
.sp-fill {
    height: 100%;
    transition: width 260ms steps(8);
}

.hp-fill {
    width: 100%;
    background: repeating-linear-gradient(90deg, var(--red) 0 10px, #c82b45 10px 12px);
}

.player-hp {
    background: repeating-linear-gradient(90deg, var(--mint) 0 10px, #2e9c70 10px 12px);
}

.sp-fill {
    width: 100%;
    background: repeating-linear-gradient(90deg, var(--cyan) 0 10px, #267a92 10px 12px);
}

.sprite {
    position: absolute;
    inset: 0;
    display: flex;
    align-items: flex-end;
    pointer-events: none;
}

.sprite img {
    max-width: 82%;
    max-height: 90%;
    object-fit: contain;
    image-rendering: pixelated;
}

.player-sprite {
    justify-content: flex-end;
    padding-right: 3%;
}

.enemy-sprite {
    justify-content: flex-start;
    padding-left: 3%;
}

.player-sprite img {
    filter: drop-shadow(-14px 12px 0 rgba(0, 0, 0, 0.34)) drop-shadow(0 0 14px rgba(82, 255, 184, 0.15));
}

.enemy-sprite img {
    filter: drop-shadow(14px 12px 0 rgba(0, 0, 0, 0.34)) drop-shadow(0 0 18px rgba(255, 73, 100, 0.2));
}

.versus-mark {
    z-index: 2;
    align-self: center;
    text-align: center;
}

.versus-mark span {
    display: grid;
    place-items: center;
    width: 58px;
    height: 58px;
    margin: auto;
    border: 1px solid var(--amber);
    background: rgba(8, 11, 16, 0.88);
    color: var(--amber);
    font-family: var(--font-mono);
    font-weight: 900;
    clip-path: var(--step-cut);
}

.battle-console {
    position: absolute;
    right: clamp(16px, 3vw, 46px);
    bottom: clamp(16px, 2.5vh, 30px);
    left: clamp(16px, 3vw, 46px);
    display: grid;
    grid-template-columns: minmax(240px, 0.65fr) minmax(430px, 1.35fr);
    gap: 10px;
    height: clamp(180px, 23vh, 230px);
}

.battle-log,
.action-panel {
    border: 1px solid rgba(82, 255, 184, 0.3);
    background: rgba(5, 11, 15, 0.94);
}

.battle-log {
    min-height: 0;
    padding: 15px;
    overflow: hidden;
}

.log-title {
    margin-bottom: 10px;
    padding-bottom: 8px;
    border-bottom: 1px solid var(--line);
    color: var(--mint);
    font-family: var(--font-mono);
    font-size: 0.58rem;
    letter-spacing: 0.13em;
}

.log-content {
    height: calc(100% - 28px);
    overflow-y: auto;
    color: #a7b8b2;
    font-family: var(--font-mono);
    font-size: 0.65rem;
    line-height: 1.7;
}

.log-entry {
    margin-bottom: 4px;
    animation: logIn 160ms steps(3) both;
}

@keyframes logIn {
    from { opacity: 0; transform: translateX(-6px); }
}

.log-player { color: var(--cyan); }
.log-enemy { color: #ff8b9d; }
.log-damage { color: var(--amber); }

.action-panel {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 1px;
    overflow: hidden;
}

.action-btn {
    position: relative;
    display: flex;
    flex-direction: column;
    justify-content: center;
    min-width: 0;
    padding: 12px 18px 12px 58px;
    border: 0;
    background: #0b1519;
    text-align: left;
    cursor: pointer;
}

.action-btn::after {
    content: "";
    position: absolute;
    inset: 0;
    border: 1px solid transparent;
    pointer-events: none;
}

.action-btn:hover::after {
    border-color: var(--mint);
}

.action-btn:hover {
    background: #10251f;
}

.action-btn:disabled {
    cursor: not-allowed;
    filter: grayscale(0.8);
    opacity: 0.36;
}

.btn-code {
    position: absolute;
    left: 15px;
    display: grid;
    place-items: center;
    width: 31px;
    height: 31px;
    border: 1px solid var(--line);
    color: var(--mint);
    font-family: var(--font-mono);
    font-size: 0.54rem;
}

.action-btn b {
    overflow: hidden;
    color: var(--paper);
    font-size: 0.83rem;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.action-btn small {
    margin-top: 4px;
    color: var(--muted);
    font-family: var(--font-mono);
    font-size: 0.5rem;
    letter-spacing: 0.1em;
}

.skill-btn .btn-code { color: var(--cyan); }
.defend-btn .btn-code { color: var(--amber); }

/* Game over */
.game-over-screen {
    position: fixed;
    top: 50%;
    left: 50%;
    z-index: 600;
    width: min(90vw, 470px);
    padding: 38px;
    border: 1px solid var(--red);
    background: rgba(7, 11, 15, 0.98);
    text-align: center;
    transform: translate(-50%, -50%);
    clip-path: var(--step-cut);
}

.game-over-screen.hidden {
    display: none;
}

.game-over-screen.is-ending {
    border-color: var(--mint);
    box-shadow: 0 0 48px rgba(82, 255, 184, 0.08);
}

.game-over-screen.is-death {
    border-color: #ff5252;
    box-shadow: 0 0 54px rgba(255, 48, 48, 0.14);
}

.game-over-screen.is-death .game-over-emblem {
    filter: grayscale(1) drop-shadow(0 0 14px rgba(255, 64, 64, 0.28));
}

.game-over-screen.is-death .eyebrow,
.game-over-screen.is-death h2 {
    color: #ff7777;
}

.game-over-emblem {
    width: 82px;
    height: 82px;
    margin-bottom: 18px;
    object-fit: contain;
    image-rendering: pixelated;
    filter: drop-shadow(0 0 12px rgba(82, 255, 184, 0.2));
}

.game-over-screen h2 {
    margin: 8px 0 12px;
    font-size: 2rem;
}

.game-over-screen p:not(.eyebrow) {
    color: var(--muted);
    line-height: 1.7;
}

/* In-game settings */
.settings-toggle {
    position: fixed;
    right: 24px;
    bottom: 22px;
    z-index: 520;
    display: grid;
    grid-template-columns: 24px auto;
    align-items: center;
    gap: 7px;
    min-width: 112px;
    min-height: 42px;
    padding: 8px 12px;
    border: 1px solid rgba(82, 255, 184, 0.4);
    background: rgba(5, 10, 12, 0.88);
    color: var(--paper);
    font-family: var(--font-mono);
    cursor: pointer;
    backdrop-filter: blur(12px);
    clip-path: var(--step-cut);
}

body.story-choosing .settings-toggle {
    top: 82px;
    right: 18px;
    bottom: auto;
}

.settings-toggle:hover,
.settings-toggle:focus-visible { border-color: var(--mint); color: var(--mint); }
.settings-toggle span { color: var(--mint); font-size: 1rem; }
.settings-toggle b { font-size: 0.68rem; letter-spacing: 0.12em; }
.settings-toggle small { grid-column: 2; color: var(--muted); font-size: 0.48rem; }

.settings-backdrop {
    position: fixed;
    inset: 0;
    z-index: 800;
    background: rgba(1, 4, 6, 0.72);
    backdrop-filter: blur(10px) saturate(0.7);
}

.settings-panel {
    position: fixed;
    top: 50%;
    left: 50%;
    z-index: 810;
    width: min(92vw, 580px);
    max-height: 90dvh;
    overflow-y: auto;
    padding: 28px;
    border: 1px solid rgba(82, 255, 184, 0.5);
    background:
        linear-gradient(rgba(82, 255, 184, 0.035) 1px, transparent 1px),
        linear-gradient(90deg, rgba(82, 255, 184, 0.035) 1px, transparent 1px),
        rgba(5, 10, 13, 0.98);
    background-size: 32px 32px;
    box-shadow: 0 28px 100px rgba(0, 0, 0, 0.72), inset 0 0 80px rgba(82, 255, 184, 0.025);
    transform: translate(-50%, -50%);
    clip-path: var(--step-cut);
}

.settings-panel[hidden],
.settings-backdrop[hidden] { display: none; }

.settings-header {
    display: flex;
    align-items: flex-start;
    justify-content: space-between;
    padding-bottom: 18px;
    border-bottom: 1px solid var(--line);
}

.settings-header h2 { margin-top: 5px; font-size: 1.45rem; }
.settings-close { border: 0; background: transparent; color: var(--muted); font-size: 1.8rem; cursor: pointer; }
.settings-close:hover,
.settings-close:focus-visible { color: var(--mint); }

.settings-status {
    display: grid;
    gap: 7px;
    margin: 18px 0;
    padding: 14px 16px;
    border-left: 2px solid var(--mint);
    background: rgba(82, 255, 184, 0.045);
}

.settings-status span { display: flex; align-items: center; gap: 9px; }
.settings-status i { width: 7px; height: 7px; background: var(--mint); box-shadow: 0 0 12px var(--mint); }
.settings-status b { font-size: 0.82rem; }
.settings-status small { color: var(--muted); font-size: 0.64rem; line-height: 1.6; }
.settings-commands { display: grid; gap: 8px; }

.settings-command {
    display: grid;
    grid-template-columns: 42px 1fr;
    gap: 2px 12px;
    align-items: center;
    min-height: 66px;
    padding: 11px 15px;
    border: 1px solid var(--line);
    background: rgba(7, 13, 16, 0.86);
    color: var(--paper);
    text-align: left;
    text-decoration: none;
    cursor: pointer;
}

.settings-command > span { grid-row: 1 / 3; color: var(--mint); font-family: var(--font-mono); font-size: 0.66rem; }
.settings-command b { font-size: 0.84rem; letter-spacing: 0.08em; }
.settings-command small { color: var(--muted); font-family: var(--font-mono); font-size: 0.52rem; letter-spacing: 0.08em; }
.settings-command:hover,
.settings-command:focus-visible,
.settings-command.is-primary { border-color: var(--mint); background: rgba(82, 255, 184, 0.08); }
.settings-command.is-danger > span { color: var(--red); }
.settings-command.is-danger:hover,
.settings-command.is-danger:focus-visible { border-color: var(--red); background: rgba(255, 82, 99, 0.07); }
.settings-command:disabled { opacity: 0.42; cursor: not-allowed; }
.settings-hint { margin: 16px 2px 0; color: var(--muted); font-size: 0.62rem; line-height: 1.7; }
.game-paused .settings-toggle { opacity: 0; pointer-events: none; }

/* Boot sequence */
.boot-sequence {
    position: fixed;
    inset: 0;
    z-index: 2000;
    display: grid;
    place-items: center;
    overflow: hidden;
    background: #05080b;
    transition: opacity 220ms steps(4), visibility 220ms;
}

.boot-sequence.is-complete {
    visibility: hidden;
    opacity: 0;
    pointer-events: none;
}

#bootCanvas {
    position: absolute;
    inset: 0;
    width: 100%;
    height: 100%;
    image-rendering: pixelated;
}

.boot-emblem {
    position: relative;
    width: clamp(150px, 21vw, 260px);
    aspect-ratio: 1;
    filter: drop-shadow(0 0 24px rgba(82, 255, 184, 0.12));
}

.boot-emblem::before,
.boot-emblem::after {
    content: "";
    position: absolute;
    z-index: 2;
    width: 24px;
    height: 4px;
    background: var(--mint);
}

.boot-emblem::before { top: -2px; left: 18px; }
.boot-emblem::after { right: 18px; bottom: -2px; }

.boot-emblem img {
    position: absolute;
    inset: 0;
    width: 100%;
    height: 100%;
    object-fit: contain;
}

#bootLogoPixel {
    z-index: 1;
    image-rendering: pixelated;
    opacity: 1;
}

.boot-copy {
    position: absolute;
    bottom: clamp(50px, 10vh, 100px);
    left: 50%;
    width: min(86vw, 620px);
    transform: translateX(-50%);
}

.boot-copy h1 {
    margin-top: 8px;
    font-size: clamp(1.15rem, 2.6vw, 2rem);
    letter-spacing: 0.13em;
}

.boot-diagnostics {
    display: flex;
    justify-content: space-between;
    margin-top: 18px;
    color: var(--muted);
    font-family: var(--font-mono);
    font-size: 0.62rem;
    letter-spacing: 0.08em;
}

.boot-progress {
    height: 5px;
    margin-top: 9px;
    border: 1px solid var(--line);
    background: #030605;
}

.boot-progress i {
    display: block;
    width: 0;
    height: 100%;
    background: repeating-linear-gradient(90deg, var(--mint) 0 12px, transparent 12px 15px);
}

.boot-skip {
    position: absolute;
    top: 24px;
    right: 28px;
    border: 0;
    background: transparent;
    color: #536a63;
    font-family: var(--font-mono);
    font-size: 0.58rem;
    letter-spacing: 0.12em;
    cursor: pointer;
}

.boot-skip:hover {
    color: var(--mint);
}

@media (max-width: 980px) {
    .start-menu {
        grid-template-columns: 1fr minmax(300px, 0.66fr);
    }

    .menu-hero h2 {
        font-size: clamp(2.7rem, 7vw, 5rem);
    }

    .hero-description {
        max-width: 500px;
    }

    .chapter-nodes {
        grid-template-columns: repeat(5, minmax(76px, 1fr));
    }

    .battle-console {
        grid-template-columns: 0.75fr 1.25fr;
    }
}

@media (max-width: 760px) {
    body {
        overflow: auto;
    }

    .game-container,
    .screen {
        min-height: 100dvh;
    }

    .start-menu {
        grid-template-columns: 1fr;
        grid-template-rows: auto 1fr auto auto;
        overflow-y: auto;
    }

    .topbar {
        padding: 12px 16px;
    }

    .brand-emblem {
        width: 44px;
        height: 44px;
    }

    .brand-lockup .eyebrow,
    .system-chip,
    .hero-meta,
    .system-footer span:nth-child(2) {
        display: none;
    }

    .brand-lockup h1 {
        margin: 0;
        font-size: 0.94rem;
    }

    .menu-hero {
        align-self: end;
        padding: 50px 22px 20px;
    }

    .menu-hero h2 {
        font-size: clamp(2.65rem, 14vw, 4.6rem);
    }

    .hero-description {
        margin-top: 16px;
        font-size: 0.78rem;
    }

    .menu-rail {
        width: auto;
        margin: 0 18px 20px;
        justify-self: stretch;
    }

    .menu-command {
        min-height: 64px;
    }

    .system-footer {
        padding: 10px 18px;
    }

    .subscreen-header {
        min-height: 68px;
        padding: 10px 16px;
    }

    .subscreen-header .eyebrow {
        display: none;
    }

    .subscreen-header h2 {
        margin: 0;
        font-size: 1rem;
    }

    .creation-screen,
    .chapter-screen,
    .route-archive-screen,
    .battle-screen {
        overflow-y: auto;
    }

    .creation-layout {
        grid-template-columns: 1fr;
        height: auto;
        min-height: calc(100dvh - 68px);
    }

    .candidate-stage {
        min-height: 46vh;
        border-right: 0;
        border-bottom: 1px solid rgba(82, 255, 184, 0.2);
    }

    .candidate-art {
        width: min(72%, 390px);
        height: 98%;
    }

    .registration-panel {
        width: calc(100% - 28px);
        max-height: none;
        margin: 20px auto 32px;
        padding: 24px 20px;
    }

    .chapter-layout {
        grid-template-columns: 1fr;
        height: auto;
        min-height: calc(100dvh - 68px);
        padding: 18px;
    }

    .chapter-list {
        overflow: visible;
    }

    .chapter-nodes {
        grid-template-columns: repeat(5, minmax(58px, 1fr));
        gap: 6px;
    }

    .node-number {
        width: 42px;
        height: 42px;
    }

    .chapter-nodes::before {
        top: 21px;
    }

    .node-title {
        font-size: 0.62rem;
    }

    .chapter-inspector {
        margin-bottom: 30px;
    }

    .route-archive-layout {
        grid-template-columns: 1fr;
        height: auto;
        min-height: calc(100dvh - 68px);
        padding: 14px;
    }

    .route-summary-panel,
    .route-history-panel {
        overflow: visible;
    }

    .route-archive-list {
        max-height: none;
        overflow: visible;
    }

    .route-history-head > span {
        display: none;
    }

    .battle-header {
        min-height: 58px;
    }

    .battle-scene {
        position: relative;
        top: auto;
        bottom: auto;
        height: 52vh;
        min-height: 370px;
        grid-template-columns: 1fr 34px 1fr;
    }

    .character-info {
        top: 12px;
        width: calc(100% - 14px);
        padding: 10px;
    }

    .player-info { left: 7px; }
    .enemy-info { right: 7px; }

    .name-plate {
        font-size: 0.66rem;
    }

    .sprite img {
        max-width: 118%;
        max-height: 78%;
    }

    .versus-mark span {
        width: 34px;
        height: 34px;
        font-size: 0.7rem;
    }

    .battle-console {
        position: relative;
        inset: auto;
        grid-template-columns: 1fr;
        height: auto;
        margin: 0 12px 12px;
    }

    .battle-log {
        height: 120px;
    }

    .action-panel {
        min-height: 200px;
    }

    .action-btn {
        padding-left: 50px;
    }

    .settings-toggle {
        right: 12px;
        bottom: 12px;
        min-width: 96px;
    }

    .settings-panel {
        width: calc(100vw - 24px);
        padding: 20px 16px;
    }

    .settings-command { min-height: 61px; }
}

@media (prefers-reduced-motion: reduce) {
    *,
    *::before,
    *::after {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        scroll-behavior: auto !important;
    }
}