:root {
    color-scheme: dark;
    --background: #020402;
    --panel: #050805;
    --panel-secondary: #091009;
    --green: #39ff70;
    --green-soft: #84ff9f;
    --green-dark: #174d25;
    --border: #1f7a35;
    --danger: #ff5f5f;
    --muted: #7ab888;
}

* {
    box-sizing: border-box;
}

html,
body {
    margin: 0;
    min-height: 100%;
    background:
        radial-gradient(circle at top, #0b170d 0%, var(--background) 55%);
    color: var(--green);
    font-family:
        "SFMono-Regular",
        Consolas,
        "Liberation Mono",
        Menlo,
        monospace;
}

button,
input,
textarea {
    font: inherit;
}

button {
    border: 1px solid var(--border);
    border-radius: 6px;
    background: #0a170d;
    color: var(--green);
    cursor: pointer;
    padding: 9px 12px;
}

button:hover {
    background: #102816;
    box-shadow: 0 0 12px rgba(57, 255, 112, 0.18);
}

input,
textarea {
    width: 100%;
    border: 1px solid var(--border);
    border-radius: 6px;
    outline: none;
    background: #010301;
    color: var(--green);
    padding: 10px;
    caret-color: var(--green);
}

input:focus,
textarea:focus {
    border-color: var(--green);
    box-shadow: 0 0 10px rgba(57, 255, 112, 0.22);
}

textarea {
    resize: vertical;
}

.page {
    display: grid;
    grid-template-columns: minmax(0, 1fr) minmax(300px, 390px);
    gap: 14px;
    min-height: 100vh;
    padding: 14px;
}

.video-panel,
.chat-panel {
    border: 1px solid var(--border);
    border-radius: 10px;
    background: rgba(5, 8, 5, 0.96);
    box-shadow: 0 0 25px rgba(57, 255, 112, 0.07);
}

.video-panel {
    display: flex;
    flex-direction: column;
    min-width: 0;
}

.video-placeholder {
    display: grid;
    flex: 1;
    place-items: center;
    min-height: 480px;
    padding: 30px;
    text-align: center;
    background:
        linear-gradient(rgba(5, 8, 5, 0.88), rgba(5, 8, 5, 0.88)),
        repeating-linear-gradient(
            0deg,
            transparent 0,
            transparent 3px,
            rgba(57, 255, 112, 0.035) 4px
        );
}

.video-placeholder h1 {
    margin-bottom: 10px;
}

.video-placeholder p {
    color: var(--muted);
}

.sync-panel {
    display: flex;
    align-items: center;
    flex-wrap: wrap;
    gap: 8px;
    padding: 12px;
    border-top: 1px solid var(--border);
}

.sync-panel input {
    width: 100px;
}

#syncStatus {
    margin-left: auto;
    color: var(--muted);
    font-size: 13px;
}

.chat-panel {
    display: flex;
    flex-direction: column;
    min-height: calc(100vh - 28px);
    overflow: hidden;
}

.chat-header {
    display: flex;
    align-items: flex-start;
    justify-content: space-between;
    gap: 12px;
    padding: 14px;
    border-bottom: 1px solid var(--border);
    background: var(--panel-secondary);
}

.chat-header h2 {
    margin: 0 0 5px;
    font-size: 17px;
    letter-spacing: 0.08em;
}

.status {
    font-size: 12px;
}

.status.online {
    color: var(--green);
}

.status.offline {
    color: var(--danger);
}

.danger-button {
    border-color: #7a2828;
    color: #ff8b8b;
    background: #210909;
    font-size: 12px;
}

.identity-panel,
.presence-panel {
    padding: 11px 14px;
    border-bottom: 1px solid var(--green-dark);
}

.identity-panel label {
    display: block;
    margin-bottom: 7px;
    color: var(--green-soft);
    font-size: 12px;
}

.identity-row {
    display: grid;
    grid-template-columns: 1fr auto;
    gap: 7px;
}

.presence-panel {
    font-size: 13px;
}

#onlineUsers {
    margin-top: 5px;
    color: var(--muted);
    line-height: 1.5;
    overflow-wrap: anywhere;
}

.messages {
    flex: 1;
    min-height: 250px;
    overflow-y: auto;
    padding: 14px;
    scrollbar-color: var(--border) #010301;
}

.message {
    margin-bottom: 12px;
    line-height: 1.4;
    overflow-wrap: anywhere;
}

.message-meta {
    margin-bottom: 3px;
    color: var(--green-soft);
    font-size: 12px;
}

.message-name {
    font-weight: 700;
}

.message-time {
    margin-left: 8px;
    color: var(--muted);
}

.message-text {
    white-space: pre-wrap;
}

.system-message {
    margin: 10px 0;
    color: var(--muted);
    font-size: 12px;
    font-style: italic;
}

.message-form {
    display: grid;
    grid-template-columns: 1fr auto;
    align-items: end;
    gap: 8px;
    padding: 12px;
    border-top: 1px solid var(--border);
    background: var(--panel-secondary);
}

.message-form button {
    height: 44px;
}

@media (max-width: 850px) {
    .page {
        grid-template-columns: 1fr;
    }

    .video-placeholder {
        min-height: 300px;
    }

    .chat-panel {
        min-height: 620px;
    }

    #syncStatus {
        width: 100%;
        margin-left: 0;
    }
}

.message-name {
    color: #ff3b3b;
    font-weight: 700;
}

.presence-user {
    color: #ff3b3b;
    font-weight: 700;
}

.presence-separator {
    color: var(--muted);
    font-weight: 400;
}

.video-placeholder {
    padding: 0;
    background: #000;
}

#partyVideo {
    display: block;
    width: 100%;
    height: 100%;
    min-height: 480px;
    max-height: calc(100vh - 90px);
    background: #000;
    object-fit: contain;
}

.legacy-sync-panel {
    display: none;
}

.player-status {
    display: flex;
    justify-content: space-between;
    gap: 15px;
    padding: 10px 14px;
    border-top: 1px solid var(--border);
    background: var(--panel-secondary);
    color: var(--muted);
    font-size: 12px;
}

#videoTitle {
    color: var(--green);
    overflow-wrap: anywhere;
}

#playerSyncStatus {
    text-align: right;
}

.video-error {
    padding: 20px;
    color: #ff5f5f;
    font-weight: 700;
}

@media (max-width: 850px) {
    #partyVideo {
        min-height: 220px;
        max-height: 60vh;
    }

    .player-status {
        flex-direction: column;
    }

    #playerSyncStatus {
        text-align: left;
    }
}

.video-placeholder {
    padding: 0;
    background: #000;
}

#partyVideo {
    display: block;
    width: 100%;
    height: 100%;
    min-height: 480px;
    max-height: calc(100vh - 90px);
    background: #000;
    object-fit: contain;
}

.legacy-sync-panel {
    display: none;
}

.player-status {
    display: flex;
    justify-content: space-between;
    gap: 15px;
    padding: 10px 14px;
    border-top: 1px solid var(--border);
    background: var(--panel-secondary);
    color: var(--muted);
    font-size: 12px;
}

#videoTitle {
    color: var(--green);
    overflow-wrap: anywhere;
}

#playerSyncStatus {
    text-align: right;
}

.video-error {
    padding: 20px;
    color: #ff5f5f;
    font-weight: 700;
}

@media (max-width: 850px) {
    #partyVideo {
        min-height: 220px;
        max-height: 60vh;
    }

    .player-status {
        flex-direction: column;
    }

    #playerSyncStatus {
        text-align: left;
    }
}