* {
    box-sizing: border-box;
}

body {
    margin: 0;
    font-family: system-ui, -apple-system, "Segoe UI", sans-serif;
    background: #10141a;
    color: #dce3ec;
    min-height: 100vh;
    display: flex;
    flex-direction: column;
}

a {
    color: #7ab8ff;
    text-decoration: none;
}

.topbar {
    display: flex;
    align-items: center;
    gap: 1.5rem;
    padding: 0.6rem 1.2rem;
    background: #1a212c;
    border-bottom: 1px solid #2b3646;
}

.brand, .brand a {
    font-weight: 700;
    color: #e8eef7;
}

.doc-code {
    font-family: ui-monospace, "Cascadia Code", monospace;
    color: #9fb2c8;
}

.copy-btn {
    background: #232d3b;
    color: #dce3ec;
    border: 1px solid #2b3646;
    border-radius: 6px;
    padding: 0.25rem 0.7rem;
    cursor: pointer;
    font: inherit;
    font-size: 0.85rem;
}

.copy-btn:hover {
    background: #2b3646;
}

.speed-control {
    display: inline-flex;
    align-items: center;
    gap: 0.4rem;
    color: #9fb2c8;
    font-size: 0.8rem;
}

.speed-control input[type="range"] {
    width: 90px;
    accent-color: #2f6fd0;
}

.editor.replaying {
    background: #161d14;
}

.user {
    margin-left: auto;
    color: #9fb2c8;
    display: flex;
    align-items: center;
    gap: 0.6rem;
}

.inline-form {
    display: inline;
}

.link-btn {
    background: none;
    border: none;
    color: #7ab8ff;
    cursor: pointer;
    padding: 0;
    font: inherit;
}

/* home page */
.home {
    max-width: 640px;
    margin: 2rem auto;
    padding: 0 1rem;
    width: 100%;
}

.card {
    background: #1a212c;
    border: 1px solid #2b3646;
    border-radius: 10px;
    padding: 1.2rem 1.5rem;
    margin-bottom: 1.5rem;
}

.card h2 {
    margin-top: 0;
}

.card form {
    display: flex;
    gap: 1.2rem;
    align-items: flex-end;
    flex-wrap: wrap;
}

.card label {
    display: flex;
    flex-direction: column;
    gap: 0.3rem;
    font-size: 0.9rem;
    color: #9fb2c8;
}

.card input {
    background: #10141a;
    border: 1px solid #2b3646;
    border-radius: 6px;
    color: #dce3ec;
    padding: 0.45rem 0.6rem;
    font-size: 1rem;
    width: 11rem;
}

button.primary {
    background: #2f6fd0;
    color: #fff;
    border: none;
    border-radius: 6px;
    padding: 0.55rem 1.1rem;
    font-size: 1rem;
    cursor: pointer;
}

button.primary:hover {
    background: #3a80e8;
}

.rules {
    color: #9fb2c8;
    font-size: 0.9rem;
}

.card form.stacked {
    flex-direction: column;
    align-items: stretch;
}

.card form.stacked input {
    width: 100%;
    font-family: ui-monospace, monospace;
}

.card form.stacked .row {
    display: flex;
    gap: 1.2rem;
}

.card form.stacked .row input {
    width: 100%;
    font-family: inherit;
}

.card textarea,
.card select {
    background: #10141a;
    border: 1px solid #2b3646;
    border-radius: 6px;
    color: #dce3ec;
    padding: 0.45rem 0.6rem;
    font-size: 0.95rem;
    font-family: inherit;
    width: 100%;
    resize: vertical;
}

.card label.check {
    flex-direction: row;
    align-items: center;
    gap: 0.5rem;
}

.card label.check input {
    width: auto;
}

.muted {
    color: #66788f;
    font-weight: normal;
}

a.btn {
    display: inline-block;
    text-decoration: none;
    background: #2f6fd0;
    color: #fff;
    border-radius: 6px;
    padding: 0.55rem 1.1rem;
}

a.btn:hover {
    background: #3a80e8;
}

.doc-row {
    padding: 0.8rem 1.2rem;
    margin-bottom: 0.8rem;
}

.doc-row p {
    margin: 0.25rem 0;
}

.doc-row-head {
    display: flex;
    align-items: center;
    gap: 0.8rem;
    flex-wrap: wrap;
}

.doc-link {
    font-family: ui-monospace, monospace;
    font-size: 1.1rem;
    color: #ffd479;
    letter-spacing: 0.08rem;
}

.doc-link:hover {
    color: #ffe4a8;
}

.preview {
    font-family: ui-monospace, monospace;
    font-size: 0.85rem;
    color: #9fb2c8;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.cred-label {
    margin: 0.8rem 0 0.2rem;
    color: #9fb2c8;
    font-size: 0.85rem;
}

.cred {
    margin: 0;
    font-family: ui-monospace, monospace;
    background: #10141a;
    border: 1px solid #2b3646;
    border-radius: 6px;
    padding: 0.5rem 0.7rem;
    word-break: break-all;
    user-select: all;
}

.notice {
    background: #1d3a2a;
    border: 1px solid #2f6647;
    color: #a9e8c0;
    border-radius: 6px;
    padding: 0.6rem 1rem;
}

.user span {
    max-width: 16rem;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.error {
    background: #46212a;
    border: 1px solid #7c3a49;
    color: #ffb3c0;
    border-radius: 6px;
    padding: 0.6rem 1rem;
}

/* editor page */
.statusbar {
    display: flex;
    gap: 1.5rem;
    align-items: center;
    padding: 0.5rem 1.2rem;
    background: #151b24;
    border-bottom: 1px solid #2b3646;
    font-size: 0.92rem;
    color: #9fb2c8;
    flex-wrap: wrap;
}

#turn-info strong {
    color: #ffd479;
}

#turn-info.my-turn strong {
    color: #7dffa5;
}

.participant {
    padding: 0.1rem 0.5rem;
    border-radius: 999px;
    background: #232d3b;
    margin-right: 0.35rem;
}

.participant.active {
    background: #2f6fd0;
    color: #fff;
}

.flash {
    color: #ffb3c0;
    margin-left: auto;
}

.prompt {
    padding: 0.7rem 1.5rem;
    background: #1c2433;
    border-bottom: 1px solid #2b3646;
    color: #cbd8ea;
    font-style: italic;
}

.prompt.hidden {
    display: none;
}

.watch-badge {
    background: #5b3f86;
    color: #e6d9ff;
    border-radius: 999px;
    padding: 0.1rem 0.6rem;
    font-size: 0.8rem;
}

.waiting-prompt {
    color: #cbd8ea;
    font-style: italic;
    max-width: 26rem;
}

.editor {
    flex: 1;
    margin: 0;
    padding: 1.2rem 1.5rem;
    font-family: ui-monospace, "Cascadia Code", "Fira Code", monospace;
    font-size: 1.05rem;
    line-height: 1.55;
    white-space: pre-wrap;
    word-break: break-word;
    outline: none;
    overflow-y: auto;
}

.editor:focus {
    background: #131922;
}

.cursor {
    background: #dce3ec;
    color: #10141a;
    border-radius: 2px;
}

.editor.locked .cursor {
    background: #5a6a80;
    color: #10141a;
}

.hints {
    padding: 0.45rem 1.2rem;
    font-size: 0.8rem;
    color: #66788f;
    border-top: 1px solid #2b3646;
}

.word-note {
    color: #ff6b7d;
    margin-top: 0.25rem;
}

.word-note.hidden {
    display: none;
}

.site-footer {
    margin-top: auto;
    padding: 1rem 1.2rem 1.2rem;
    text-align: center;
    font-size: 0.85rem;
    border-top: 1px solid #2b3646;
}

.disclaimer {
    color: #ff6b7d;
    margin: 0.6rem 0 0;
}

/* waiting overlay */
.overlay {
    position: fixed;
    inset: 0;
    background: rgba(10, 13, 18, 0.82);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 10;
}

.overlay.hidden {
    display: none;
}

.overlay-box {
    background: #1a212c;
    border: 1px solid #2b3646;
    border-radius: 12px;
    padding: 2rem 3rem;
    text-align: center;
}

.big-code {
    font-family: ui-monospace, monospace;
    font-size: 2rem;
    letter-spacing: 0.2rem;
    color: #ffd479;
    user-select: all;
    cursor: pointer;
}

.big-code:hover {
    color: #ffe4a8;
}

.copy-hint {
    color: #66788f;
    font-size: 0.85rem;
    margin-top: -0.5rem;
}

.copy-hint.copied {
    color: #7dffa5;
}