/* =========================================================
   multi.css — multiplayer lobby
   ========================================================= */

.lobby-stage {
    flex: 1;
    display: flex;
    flex-direction: column;
    padding: 24px 48px;
    overflow-y: auto;
    overflow-x: hidden;
    position: relative;
    z-index: 5;
    min-height: 0;
    gap: 32px;
}

/* ---------- Hero ---------- */
.lobby-hero {
    display: grid;
    grid-template-columns: 1fr auto;
    gap: 32px;
    align-items: flex-end;
    padding-bottom: 24px;
    border-bottom: 1px solid var(--border-faint);
}

.hero-eyebrow {
    font-family: var(--font-mono);
    font-size: 11px;
    color: var(--accent);
    text-transform: uppercase;
    letter-spacing: var(--tracking-wide);
    margin-bottom: 8px;
}

.hero-title {
    font-family: var(--font-ui);
    font-size: 32px;
    font-weight: 500;
    letter-spacing: -0.02em;
    color: var(--text-primary);
    line-height: 1.1;
}

.hero-sub {
    font-family: var(--font-mono);
    font-size: 11px;
    color: var(--text-tertiary);
    letter-spacing: var(--tracking-mono);
    margin-top: 8px;
}

/* ---------- Identity card (nickname) ---------- */
.identity-card {
    display: flex;
    flex-direction: column;
    gap: 8px;
    padding: 14px 16px;
    background: var(--bg-elev-1);
    border: 1px solid var(--border-subtle);
    border-radius: 3px;
    min-width: 240px;
}

.identity-label {
    font-family: var(--font-mono);
    font-size: 9px;
    color: var(--text-tertiary);
    text-transform: uppercase;
    letter-spacing: var(--tracking-wide);
}

.identity-input {
    background: transparent;
    border: none;
    border-bottom: 1px solid var(--border-subtle);
    color: var(--text-primary);
    font-family: var(--font-mono);
    font-size: 15px;
    padding: 4px 0;
    outline: none;
    width: 100%;
    letter-spacing: var(--tracking-mono);
}

.identity-input:focus {
    border-bottom-color: var(--accent);
}

.identity-meta {
    font-family: var(--font-mono);
    font-size: 9px;
    color: var(--text-quaternary);
    letter-spacing: var(--tracking-mono);
    display: flex;
    align-items: center;
    gap: 6px;
}

/* ---------- Section header ---------- */
.section-head {
    display: flex;
    justify-content: space-between;
    align-items: baseline;
    margin-bottom: 16px;
}

.section-title {
    font-family: var(--font-mono);
    font-size: 11px;
    color: var(--text-tertiary);
    text-transform: uppercase;
    letter-spacing: var(--tracking-wide);
}

.section-title .count {
    color: var(--accent);
    font-weight: 500;
}

.section-meta {
    font-family: var(--font-mono);
    font-size: 10px;
    color: var(--text-quaternary);
    text-transform: uppercase;
    letter-spacing: var(--tracking-wide);
}

.section-meta button {
    color: var(--accent);
    cursor: pointer;
    border-bottom: 1px dotted var(--accent);
    padding-bottom: 1px;
    font-family: inherit;
    font-size: inherit;
    letter-spacing: inherit;
    text-transform: inherit;
}

.section-meta button:hover {
    color: var(--text-primary);
    border-color: var(--text-primary);
}

/* ---------- Room grid ---------- */
.room-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(260px, 1fr));
    gap: 16px;
}

.room-card {
    position: relative;
    background: var(--bg-elev-1);
    border: 1px solid var(--border-subtle);
    border-radius: 3px;
    padding: 18px 18px 16px;
    display: flex;
    flex-direction: column;
    gap: 12px;
    transition: all var(--t-fast);
    cursor: pointer;
    overflow: hidden;
}

.room-card::before {
    content: "";
    position: absolute;
    top: 0; left: 0;
    width: 0;
    height: 2px;
    background: var(--accent);
    transition: width var(--t-fast);
}

.room-card:hover {
    border-color: var(--border);
    background: var(--bg-elev-2);
    transform: translateY(-1px);
}

.room-card:hover::before {
    width: 100%;
}

.room-card.is-full,
.room-card.is-playing {
    opacity: 0.5;
    cursor: not-allowed;
}

.room-card.is-full:hover,
.room-card.is-playing:hover {
    transform: none;
    border-color: var(--border-subtle);
    background: var(--bg-elev-1);
}

/* Private rooms — visible in lobby but not clickable; the code is masked. */
.room-card.is-private {
    cursor: default;
    border-style: dashed;
}

.room-card.is-private:hover {
    transform: none;
    border-color: var(--accent);
    background: var(--bg-elev-1);
}

.room-card.is-private::before { display: none; }

.room-card.is-private .room-code {
    color: var(--text-secondary);
    letter-spacing: 0.18em;
}

.lock-tag {
    font-family: var(--font-mono);
    font-size: 9px;
    color: var(--accent);
    text-transform: uppercase;
    letter-spacing: var(--tracking-wide);
}

/* CREATE card variant */
.room-card--create {
    border-style: dashed;
    border-color: var(--border);
    background: transparent;
    align-items: center;
    justify-content: center;
    gap: 16px;
    text-align: center;
    min-height: 168px;
}

.room-card--create:hover {
    border-color: var(--accent);
    background: var(--accent-soft);
    transform: none;
}

.room-card--create::before { display: none; }

.create-icon {
    font-size: 32px;
    color: var(--accent);
    line-height: 1;
}

.create-label {
    font-family: var(--font-mono);
    font-size: 12px;
    color: var(--accent);
    text-transform: uppercase;
    letter-spacing: var(--tracking-wide);
}

.create-sub {
    font-family: var(--font-mono);
    font-size: 10px;
    color: var(--text-tertiary);
    text-transform: uppercase;
    letter-spacing: var(--tracking-wide);
}

/* Room card content */
.room-head {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.room-code {
    font-family: var(--font-mono);
    font-size: 18px;
    font-weight: 500;
    color: var(--text-primary);
    letter-spacing: 0.06em;
}

.room-status {
    font-family: var(--font-mono);
    font-size: 9px;
    text-transform: uppercase;
    letter-spacing: var(--tracking-wide);
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 3px 8px;
    border-radius: 2px;
    border: 1px solid;
}

.room-status::before {
    content: "";
    width: 5px;
    height: 5px;
    border-radius: 50%;
}

.room-status--open    { color: var(--accent-green); border-color: rgba(95,168,109,0.4); }
.room-status--open::before    { background: var(--accent-green); box-shadow: 0 0 6px rgba(95,168,109,0.6); }

.room-status--playing { color: var(--accent); border-color: rgba(212,165,116,0.4); }
.room-status--playing::before { background: var(--accent); }

.room-status--full    { color: var(--accent-red); border-color: rgba(208,92,92,0.4); }
.room-status--full::before    { background: var(--accent-red); }

.room-host {
    font-family: var(--font-ui);
    font-size: 13px;
    color: var(--text-secondary);
}

.room-host .host-tag {
    font-family: var(--font-mono);
    font-size: 9px;
    color: var(--text-quaternary);
    margin-right: 4px;
    text-transform: uppercase;
    letter-spacing: var(--tracking-wide);
}

.room-meta-row {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-top: auto;
    padding-top: 8px;
    border-top: 1px solid var(--border-faint);
}

.room-players {
    font-family: var(--font-mono);
    font-size: 11px;
    color: var(--text-secondary);
    letter-spacing: var(--tracking-mono);
}

.room-players .count-active {
    color: var(--text-primary);
}

.room-duration {
    font-family: var(--font-mono);
    font-size: 11px;
    color: var(--text-tertiary);
    letter-spacing: var(--tracking-mono);
}

/* ---------- Join by code ---------- */
.join-section {
    display: grid;
    grid-template-columns: minmax(0, 1fr) auto;
    gap: 12px;
    align-items: end;
    max-width: 460px;
}

.code-input {
    background: var(--bg-elev-1);
    border: 1px solid var(--border-subtle);
    color: var(--text-primary);
    font-family: var(--font-mono);
    font-size: 22px;
    padding: 14px 18px;
    border-radius: 3px;
    outline: none;
    width: 100%;
    letter-spacing: 0.18em;
    text-transform: uppercase;
    transition: border-color var(--t-fast);
}

.code-input:focus {
    border-color: var(--accent);
}

.code-input::placeholder {
    color: var(--text-quaternary);
    text-transform: uppercase;
    letter-spacing: 0.18em;
    font-size: 18px;
}

.btn-join {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    padding: 14px 22px;
    background: var(--accent-soft);
    border: 1px solid var(--accent);
    border-radius: 3px;
    font-family: var(--font-mono);
    font-size: 12px;
    text-transform: uppercase;
    letter-spacing: var(--tracking-wide);
    color: var(--accent);
    cursor: pointer;
    transition: all var(--t-fast);
}

.btn-join:hover:not(:disabled) {
    background: var(--accent);
    color: var(--bg-base);
}

.btn-join:disabled {
    opacity: 0.4;
    cursor: not-allowed;
}

/* ---------- Modal (create room) ---------- */
.modal-overlay {
    position: fixed;
    inset: 0;
    background: rgba(0, 0, 0, 0.75);
    backdrop-filter: blur(4px);
    z-index: 100;
    display: none;
    align-items: center;
    justify-content: center;
    animation: fade-in var(--t) both;
}

.modal-overlay.is-open { display: flex; }

@keyframes fade-in {
    from { opacity: 0; }
    to   { opacity: 1; }
}

.modal-card {
    background: var(--bg-elev-2);
    border: 1px solid var(--border);
    border-radius: 4px;
    padding: 32px;
    width: 92%;
    max-width: 520px;
    display: flex;
    flex-direction: column;
    gap: 24px;
    box-shadow: 0 24px 64px -16px rgba(0,0,0,0.6);
    animation: rise var(--t) both;
}

@keyframes rise {
    from { opacity: 0; transform: translateY(8px); }
    to   { opacity: 1; transform: translateY(0); }
}

.modal-head {
    display: flex;
    justify-content: space-between;
    align-items: baseline;
}

.modal-title {
    font-family: var(--font-ui);
    font-size: 22px;
    font-weight: 500;
    letter-spacing: -0.01em;
    color: var(--text-primary);
}

.modal-close {
    font-family: var(--font-mono);
    font-size: 11px;
    color: var(--text-tertiary);
    text-transform: uppercase;
    letter-spacing: var(--tracking-wide);
    cursor: pointer;
    transition: color var(--t-fast);
}

.modal-close:hover { color: var(--accent-red); }

.modal-block {
    display: flex;
    flex-direction: column;
    gap: 10px;
}

.modal-label {
    font-family: var(--font-mono);
    font-size: 10px;
    color: var(--text-tertiary);
    text-transform: uppercase;
    letter-spacing: var(--tracking-wide);
}

.radio-row {
    display: flex;
    gap: 8px;
}

.radio-option {
    flex: 1;
    padding: 10px 14px;
    border: 1px solid var(--border-subtle);
    border-radius: 2px;
    background: var(--bg-elev-1);
    color: var(--text-secondary);
    font-family: var(--font-mono);
    font-size: 11px;
    text-transform: uppercase;
    letter-spacing: var(--tracking-wide);
    cursor: pointer;
    text-align: center;
    transition: all var(--t-fast);
}

.radio-option:hover {
    border-color: var(--border);
    color: var(--text-primary);
}

.radio-option.is-selected {
    background: var(--accent-soft);
    border-color: var(--accent);
    color: var(--accent);
}

.radio-option .opt-sub {
    display: block;
    font-size: 9px;
    color: var(--text-quaternary);
    margin-top: 4px;
    text-transform: none;
    letter-spacing: var(--tracking-mono);
}

.radio-option.is-selected .opt-sub { color: var(--accent); opacity: 0.7; }

/* ---------- Empty state ---------- */
.lobby-empty {
    text-align: center;
    padding: 48px 24px;
    color: var(--text-tertiary);
    font-family: var(--font-mono);
    font-size: 12px;
    text-transform: uppercase;
    letter-spacing: var(--tracking-wide);
    border: 1px dashed var(--border-subtle);
    border-radius: 3px;
}

/* ---------- Demo banner ---------- */
.demo-banner {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 10px 18px;
    background: rgba(212, 165, 116, 0.08);
    border: 1px solid rgba(212, 165, 116, 0.25);
    border-radius: 3px;
    font-family: var(--font-mono);
    font-size: 11px;
    color: var(--text-secondary);
    letter-spacing: var(--tracking-mono);
}

.demo-banner .demo-tag {
    background: var(--accent);
    color: var(--bg-base);
    padding: 2px 8px;
    border-radius: 2px;
    font-weight: 500;
    text-transform: uppercase;
    letter-spacing: var(--tracking-wide);
    font-size: 9px;
}

/* ---------- Responsive ---------- */
@media (max-width: 880px) {
    .lobby-stage { padding: 16px 20px; }
    .lobby-hero { grid-template-columns: 1fr; gap: 16px; align-items: stretch; }
    .identity-card { min-width: 0; }
    .room-grid { grid-template-columns: 1fr 1fr; gap: 12px; }
}