*,
body {
    letter-spacing: 0.06vw;
    font-family: "Sarabun", sans-serif;
    box-sizing: border-box;
    color: var(--board-color);
    margin: 0;
    padding: 0;
    -webkit-user-select: none;
    -moz-user-select: none;
    -ms-user-select: none;
    user-select: none;
}

:root {
    --blue: rgb(0, 0, 255);
    --blue-t: rgba(0, 0, 255, 0);
    --yellow: rgb(255, 255, 0);
    --fred: rgb(255, 0, 0);
    --fred-t: rgba(255, 0, 0, 0);
    --greenlee: rgb(0, 255, 0);
    --greenlee-t: rgba(0, 255, 0, 0);
    --pinkney: rgb(255, 0, 255);
    --bluebell: rgb(0, 255, 255);
    --willem: rgb(255, 127, 0);
    --greydon: rgb(200, 200, 200);
}

#game_container {
    display: flex;
    justify-content: center;
    align-items: center;
    width: 100vw;
    height: 100vh;
    background-color: #111111;
    overflow: hidden;
    position: fixed;
    top: 0;
    left: 0;
}

#game {
    display: grid;
    width: 100%;
    max-width: calc(100vh * 4 / 3);
    aspect-ratio: 4 / 3;
    object-fit: contain;
    background-color: #000;
}

#mobile_title {
    display: none;
    color: var(--yellow);
    font-size: 3em;
    text-align: center;
}

@media screen and (max-width: 1000px) {
    #game {
        display: none;
    }
    #mobile_title {
        display: block;
    }
}

#start_page {
    background-color: #000;
    grid-column: 1;
    grid-row: 1;
    position: relative;
    width: 100%;
    aspect-ratio: 4 / 3;
    z-index: 6;
}

canvas {
    position: relative;
    grid-column: 1;
    grid-row: 1;
    width: 100%;
    aspect-ratio: 4 / 3;
    cursor: none;
}

#powerup_hitbox_canvas {
    z-index: 1;
    display: none;
}

#powerup_visual_canvas {
    z-index: 2;
}

#trails_hitbox_canvas {
    z-index: 3;
}

#dots_canvas {
    z-index: 4;
}

#ui_canvas {
    z-index: 5;
}

#game_title {
    text-align: center;
    color: var(--yellow);
    margin: 40px 0;
}

#player_grid {
    display: flex;
    flex-direction: column;
    align-items: center;
    margin: 20px 100px;
}

.player_wrapper,
.player_wrapper_start {
    width: 100%;
    display: grid;
    grid-template-columns: 10% 30% 30% 30%;
    margin: 0;
    background-color: #000;
    border: none;
    text-align: left;
    opacity: 0.5;
}

.player_wrapper p {
    font-size: 35px;
    line-height: 1.7;
    cursor: pointer;
}

.player_wrapper.focus,
.player_wrapper.focus:hover {
    opacity: 1;
}

.player_wrapper:hover {
    opacity: 0.85;
}

.player_wrapper_start p {
    color: #fff;
    opacity: 1;
    font-size: 35px;
    line-height: 1.7;
}

.key_wrapper {
    display: grid;
}

.key_wrapper p {
    grid-column: 1;
    grid-row: 1;
}

.key_wrapper p:first-child {
    color: #fff;
    font-size: 20px;
    padding: 10px 0 12px 0;
    margin: 0 30px;
    border: 2px solid #fff;
    border-radius: 6px;
}

#gamemode_wrapper {
    display: flex;
    justify-content: center;
}

#gamemode_wrapper p {
    color: #fff;
    font-size: 20px;
    cursor: pointer;
    padding: 10px;
    margin: 10px;
}

#start_game_button_wrapper {
    display: flex;
    justify-content: center;
}

#start_game_button {
    background-color: #6d6d6d;
    border: 2px solid #ffffff;
    text-align: center;
    font-size: 100%;
    color: #ffffff;
    padding: 10px 18px 13px;
    cursor: pointer;
    border-radius: 6px;
    margin: 20px;
}

#start_game_button:hover {
    background-color: #999999;
}

.underline {
    text-decoration: underline;
}

.text_center {
    text-align: center;
}

.hidden {
    visibility: hidden;
}

.fred {
    color: var(--fred);
}

.greenlee {
    color: var(--greenlee);
}

.pinkney {
    color: var(--pinkney);
}

.bluebell {
    color: var(--bluebell);
}

.willem {
    color: var(--willem);
}

.greydon {
    color: var(--greydon);
}

/* ── Online Lobby Overlay ────────────────────────────── */

#online_overlay {
    display: none;
    position: absolute;
    inset: 0;
    background: #000;
    z-index: 20;
    align-items: center;
    justify-content: center;
    overflow-y: auto;
}

#lobby_box {
    width: 90%;
    max-width: 700px;
    padding: 4% 5%;
    display: flex;
    flex-direction: column;
    gap: 2vh;
}

#lobby_title {
    color: var(--yellow);
    text-align: center;
    font-size: 4vw;
    margin: 0;
}

#lobby_subtitle {
    color: #aaa;
    text-align: center;
    font-size: 1.8vw;
    margin: 0;
}

#lobby_connect_section {
    display: flex;
    flex-direction: column;
    gap: 1.5vh;
    align-items: center;
}

#lobby_join_row {
    display: flex;
    gap: 1vw;
    align-items: center;
}

#lobby_code_input {
    background: #111;
    border: 2px solid #555;
    color: #fff;
    font-size: 2vw;
    padding: 0.5em 0.8em;
    border-radius: 6px;
    letter-spacing: 0.3em;
    text-transform: uppercase;
    width: 10em;
    font-family: 'Sarabun', sans-serif;
    outline: none;
}

#lobby_code_input:focus {
    border-color: var(--yellow);
}

#lobby_room_info {
    display: flex;
    align-items: center;
    gap: 1vw;
    background: #111;
    border: 1px solid #333;
    border-radius: 8px;
    padding: 1.5% 3%;
}

#lobby_room_label {
    color: #888;
    font-size: 1.5vw;
}

#lobby_room_code {
    color: var(--yellow);
    font-size: 3vw;
    letter-spacing: 0.4em;
    font-weight: bold;
}

#lobby_status_text {
    color: #aaa;
    font-size: 1.5vw;
    text-align: center;
}

.lobby_section_label {
    color: #888;
    font-size: 1.4vw;
    margin-bottom: 1vh;
}

/* Slot grid */
#lobby_slots_grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 1vw;
}

.lobby_slot_btn {
    background: transparent;
    border: 2px solid;
    border-radius: 8px;
    padding: 3% 2%;
    cursor: pointer;
    font-family: 'Sarabun', sans-serif;
    font-size: 1.8vw;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 0.3em;
    transition: background 0.15s, opacity 0.15s;
}

.lobby_slot_btn:hover:not(:disabled) {
    background: rgba(255, 255, 255, 0.07);
}

.lobby_slot_btn small {
    font-size: 1.1vw;
    color: #888;
}

.lobby_slot_btn.mine {
    background: rgba(255, 255, 255, 0.1);
}

.lobby_slot_btn.mine small {
    color: #00ff00;
}

.lobby_slot_btn:disabled {
    opacity: 0.3;
    cursor: not-allowed;
}

/* Key config */
#lobby_key_config {
    display: flex;
    flex-direction: column;
    gap: 1.2vh;
}

.key_config_row {
    display: flex;
    align-items: center;
    gap: 1.5vw;
}

.key_config_label {
    font-size: 1.8vw;
    min-width: 8vw;
}

.key_config_btn {
    background: #1a1a1a;
    border: 2px solid #444;
    color: #fff;
    font-family: 'Sarabun', sans-serif;
    font-size: 1.5vw;
    padding: 0.4em 1em;
    border-radius: 6px;
    cursor: pointer;
    min-width: 9vw;
    transition: border-color 0.15s;
}

.key_config_btn:hover {
    border-color: #888;
}

.key_config_btn.set {
    border-color: var(--yellow);
    color: var(--yellow);
}

.key_config_btn.capturing {
    border-color: #fff;
    animation: blink 0.6s infinite;
}

@keyframes blink {
    50% { opacity: 0.4; }
}

.key_ready_indicator {
    font-size: 1.4vw;
    min-width: 6vw;
    text-align: right;
}

.lobby_hint {
    color: #555;
    font-size: 1.4vw;
    font-style: italic;
}

/* Buttons */
.lobby_btn {
    background: #2a2a2a;
    border: 2px solid #555;
    color: #fff;
    font-family: 'Sarabun', sans-serif;
    font-size: 1.8vw;
    padding: 0.5em 1.5em;
    border-radius: 6px;
    cursor: pointer;
    transition: background 0.15s, border-color 0.15s;
}

.lobby_btn:hover {
    background: #3a3a3a;
    border-color: #888;
}

.lobby_btn.primary {
    border-color: var(--yellow);
    color: var(--yellow);
}

.lobby_btn.primary:hover {
    background: rgba(255, 255, 0, 0.1);
}

.lobby_btn.big {
    font-size: 2.2vw;
    padding: 0.7em 2em;
    width: 100%;
    margin-top: 1vh;
}

.lobby_btn.small {
    font-size: 1.4vw;
    padding: 0.4em 1em;
}

#lobby_error {
    color: #ff4444;
    font-size: 1.4vw;
    text-align: center;
    background: rgba(255, 0, 0, 0.1);
    border: 1px solid #ff4444;
    border-radius: 6px;
    padding: 1% 2%;
}

#btn_back_local {
    align-self: flex-start;
}

/* Online button on start page */
#online_btn_wrapper {
    display: flex;
    justify-content: center;
    margin-top: 10px;
}

#online_play_btn {
    background-color: transparent;
    border: 2px solid #555;
    color: #aaa;
    font-family: 'Sarabun', sans-serif;
    font-size: 100%;
    padding: 8px 18px 11px;
    cursor: pointer;
    border-radius: 6px;
    transition: border-color 0.15s, color 0.15s;
}

#online_play_btn:hover {
    border-color: var(--yellow);
    color: var(--yellow);
}