@import url('https://fonts.googleapis.com/css2?family=Courier+Prime:wght@400;700&display=swap');

@font-face {
    font-family: 'Undertale';
    src: url('./undertale-deltarune-text-font-extended.ttf') format('truetype');
    font-weight: normal;
    font-style: normal;
}

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

body {
    background-color: #000;
    color: #fff;
    font-family: 'Undertale', 'Courier Prime', monospace;
    overflow: hidden;
    height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
}

/* Boot loading screen: blocks the app, warms the cache, then fades away. */
#boot-screen {
    position: fixed;
    inset: 0;
    z-index: 5000;
    background: #000;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: opacity 0.5s ease;
}

#boot-screen.boot-hidden {
    opacity: 0;
    pointer-events: none;
}

.boot-box {
    width: 320px;
    max-width: 80vw;
    text-align: center;
    border: 3px solid #fff;
    padding: 18px 20px 14px;
    background: #000;
}

.boot-title {
    font-size: 26px;
    letter-spacing: 3px;
    margin-bottom: 14px;
    color: #fff;
}

.boot-bar {
    height: 18px;
    border: 2px solid #fff;
    padding: 2px;
}

#boot-fill {
    height: 100%;
    width: 0%;
    background: #fff;
    transition: width 0.15s linear;
}

#boot-pct {
    margin-top: 10px;
    font-size: 16px;
    color: #fff;
}

#boot-status {
    margin-top: 4px;
    font-size: 13px;
    color: #ccc;
}

#overworld-container {
    font-family: 'Undertale', 'Courier Prime', monospace !important;
    width: 100vw !important;
    height: 100vh !important;
}

#overworld-canvas {
    display: block;
    width: 100% !important;
    height: 100% !important;
}

.game-container {
    width: 100%;
    height: 100%;
    position: relative;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    padding: 20px;
    z-index: 2001;
}

#history-tab {
    position: fixed;
    left: 0;
    top: 50%;
    transform: translateY(-50%);
    z-index: 2100;
    width: 34px;
    height: 70px;
    border: 2px solid #fff;
    border-left: none;
    background: #111;
    color: #fff;
    font-family: 'Undertale', 'Courier Prime', monospace;
    font-size: 18px;
    cursor: pointer;
    border-radius: 0 6px 6px 0;
    transition: background 0.1s;
}

#history-tab:hover {
    background: #333;
}

#kofi-button {
    position: fixed;
    top: 14px;
    right: 14px;
    z-index: 2100;
    width: 44px;
    height: 44px;
    display: grid;
    place-items: center;
    border: 2px solid #fff;
    border-radius: 5px;
    background: #111;
    cursor: pointer;
}

#kofi-button:hover,
#kofi-button:focus-visible {
    background: #333;
    outline: none;
}

#kofi-button img {
    width: 32px;
    height: 32px;
    image-rendering: pixelated;
}

#history-panel {
    position: fixed;
    left: 0;
    top: 0;
    bottom: 0;
    width: 280px;
    max-width: 85vw;
    background: #111;
    border-right: 2px solid #fff;
    z-index: 2200;
    display: flex;
    flex-direction: column;
    transform: translateX(-100%);
    transition: transform 0.25s ease;
}

#history-panel.open {
    transform: translateX(0);
}

.history-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 12px 14px;
    border-bottom: 2px solid #333;
    background: #1a1a1a;
}

.history-title {
    font-size: 18px;
    font-weight: bold;
}

.history-header-right {
    display: flex;
    align-items: center;
    gap: 8px;
}

#history-all {
    background: none;
    border: 2px solid #fff;
    color: #fff;
    height: 28px;
    padding: 0 10px;
    cursor: pointer;
    font-size: 13px;
    font-family: 'Undertale', 'Courier Prime', monospace;
}

#history-all:hover {
    background: #333;
}

#history-all.on {
    background: #228b22;
}

#history-close {
    background: none;
    border: 2px solid #fff;
    color: #fff;
    width: 28px;
    height: 28px;
    cursor: pointer;
    font-size: 16px;
    font-family: 'Undertale', 'Courier Prime', monospace;
}

#history-close:hover {
    background: #333;
}

.history-new {
    margin: 12px;
    padding: 10px;
    background: #000;
    color: #fff;
    border: 2px solid #fff;
    font-family: 'Undertale', 'Courier Prime', monospace;
    font-size: 15px;
    cursor: pointer;
    transition: background 0.1s;
}

.history-new:hover {
    background: #333;
}

.history-toggle {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 10px 14px;
    margin: 0 12px 8px 12px;
    border: 1px solid #333;
    background: #1a1a1a;
    color: #ddd;
    font-size: 14px;
    cursor: pointer;
    user-select: none;
}

.history-toggle input[type="checkbox"] {
    width: 16px;
    height: 16px;
    accent-color: #ffcc00;
    cursor: pointer;
}

#chat-list {
    list-style: none;
    flex: 1;
    overflow-y: auto;
    padding: 0 12px 12px 12px;
}

#chat-list::-webkit-scrollbar {
    width: 8px;
}

#chat-list::-webkit-scrollbar-track {
    background: #222;
}

#chat-list::-webkit-scrollbar-thumb {
    background: #555;
    border-radius: 4px;
}

#chat-list li {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 8px;
    padding: 10px 8px;
    margin-bottom: 6px;
    border: 1px solid #333;
    background: #1a1a1a;
    cursor: pointer;
    font-size: 14px;
    color: #ddd;
    word-break: break-word;
}

#chat-list li:hover {
    background: #252525;
}

#chat-list li.active {
    border-color: #fff;
    background: #333;
}

.history-disclaimer {
    margin-top: auto;
    padding: 12px 14px;
    border-top: 2px solid #333;
    background: #1a1a1a;
    font-size: 11px;
    line-height: 1.5;
    color: #888;
    flex-shrink: 0;
}

.chat-delete {
    flex-shrink: 0;
    background: none;
    border: 1px solid #555;
    color: #aaa;
    width: 22px;
    height: 22px;
    line-height: 1;
    cursor: pointer;
    font-size: 14px;
    font-family: 'Undertale', 'Courier Prime', monospace;
}

.chat-delete:hover {
    color: #ff6666;
    border-color: #ff6666;
}

#new-chat-button {
    aspect-ratio: 1;
    flex-shrink: 0;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 0;
    font-family: 'Undertale', 'Courier Prime', monospace;
    font-size: 16px;
    background-color: #000;
    color: #fff;
    border: 2px solid #fff;
    cursor: pointer;
    transition: all 0.1s;
}

#new-chat-button:hover {
    background-color: #333;
}

#show-history {
    aspect-ratio: 1;
    flex-shrink: 0;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 0;
    font-family: 'Undertale', 'Courier Prime', monospace;
    font-size: 16px;
    background-color: #000;
    color: #fff;
    border: 2px solid #fff;
    cursor: pointer;
    transition: all 0.1s;
}

#show-history:hover {
    background-color: #333;
}

#show-history.active {
    background-color: #333;
}

#new-chat-button:active {
    background-color: #555;
}

.chat-history {
    width: 100%;
    max-width: 800px;
    height: 200px;
    background-color: #111;
    border: 2px solid #333;
    padding: 15px;
    margin-bottom: 20px;
    overflow-y: auto;
    font-size: 14px;
    line-height: 1.4;
}

.chat-history::-webkit-scrollbar {
    width: 8px;
}

.chat-history::-webkit-scrollbar-track {
    background: #222;
}

.chat-history::-webkit-scrollbar-thumb {
    background: #555;
    border-radius: 4px;
}

.chat-history::-webkit-scrollbar-thumb:hover {
    background: #666;
}

.chat-message {
    margin-bottom: 10px;
    padding: 5px 0;
}

.chat-message.user {
    color: #88ddff;
}

.chat-message.susie {
    color: #dd88ff;
}

.chat-message.alphys {
    color: #ffdd88;
}

.chat-message.ralsei {
    color: #88ff88;
}

.chat-message.lancer {
    color: #5588ff;
}

.chat-message.rouxls {
    color: #4477cc;
}

.chat-message.noelle {
    color: #ffdd99;
}

.chat-message.berdly {
    color: #66ccff;
}

.chat-message.toby {
    color: #ffffff;
}

.chat-message.spamton {
    color: #ffff00;
}

.chat-message.queen {
    color: #00ddff;
}

.chat-message.tenna {
    color: #ff6600;
}

.chat-message.nubert {
    color: #ff4444;
}

.chat-message.ramb {
    color: #ffaa44;
}

.chat-message-sender {
    font-weight: bold;
    display: inline-block;
    margin-right: 8px;
}

.portrait-container {
    flex-shrink: 0;
    width: 140px;
    height: 140px;
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
}

#susie-portrait, #alphys-portrait, #toriel-portrait, #lancer-portrait, #rouxls-portrait, #noelle-portrait, #berdly-portrait, #toby-portrait, #spamton-portrait, #queen-portrait, #tenna-portrait, #nubert-portrait, #ramb-portrait, .dynamic-portrait {
    max-width: 140px;
    max-height: 140px;
    width: auto;
    height: 140px;
    image-rendering: pixelated;
    image-rendering: -moz-crisp-edges;
    image-rendering: crisp-edges;
    filter: drop-shadow(2px 2px 4px rgba(0,0,0,0.5));
    flex-shrink: 0;
    object-fit: contain;
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    transition: none;
}

/* PLUEY's portrait is a small pixel bust in the left slot. He is drawn at a
   fixed pixel scale (capped so no expression makes him grow) and sits
   bottom-center of the portrait area, keeping him always the same size. */
#pluey-portrait {
    image-rendering: pixelated;
    image-rendering: -moz-crisp-edges;
    image-rendering: crisp-edges;
    max-height: 256px;
    max-width: 256px;
    width: auto;
    height: auto;
    flex-shrink: 0;
    object-fit: contain;
    position: absolute;
    bottom: 0;
    left: 50%;
    transform: translateX(-50%) scale(2);
    transform-origin: 50% 100%;
    top: auto;
    filter: drop-shadow(2px 2px 4px rgba(0,0,0,0.5));
    transition: none;
}

/* FLOWERY's portrait is a tall pixel sprite in the left slot. Like Pluey he is
   drawn at a fixed pixel scale (capped so no expression makes him grow) and sits
   bottom-center of the portrait area. */
#flowery-portrait {
    image-rendering: pixelated;
    image-rendering: -moz-crisp-edges;
    image-rendering: crisp-edges;
    max-height: 256px;
    max-width: 256px;
    width: auto;
    height: auto;
    flex-shrink: 0;
    object-fit: contain;
    position: absolute;
    bottom: 0;
    left: 50%;
    transform: translateX(calc(-50% + 4px)) scale(2);
    transform-origin: 50% 100%;
    top: auto;
    filter: drop-shadow(2px 2px 4px rgba(0,0,0,0.5));
    transition: none;
}

#susie-portrait.hidden, #alphys-portrait.hidden, #toriel-portrait.hidden, #lancer-portrait.hidden, #rouxls-portrait.hidden, #noelle-portrait.hidden, #berdly-portrait.hidden, #toby-portrait.hidden, #spamton-portrait.hidden, #queen-portrait.hidden, #tenna-portrait.hidden, #nubert-portrait.hidden, #ramb-portrait.hidden, #pluey-portrait.hidden, #flowery-portrait.hidden, .dynamic-portrait.hidden {
    display: none !important;
}

.textbox-container {
    flex: 0 0 auto;
    max-width: 100%;
    display: flex;
    justify-content: center;
    width: 920px;
}

.textbox {
    width: 920px;
    height: 192px;
    background-color: #000;
    border: 4px solid #fff;
    padding: 24px;
    position: relative;
    display: flex;
    gap: 24px;
    align-items: center;
    flex-shrink: 0;
    transform-origin: center center;
}

.textbox-content {
    position: relative;
    height: 100%;
    flex: 1;
}

/* PINK's portrait lives on the RIGHT side of the box, stands TALLER than the
   dialogue box, and its bottom-right corner is anchored to the box's own
   bottom-right corner so it pokes out over the top. The tail sits behind it. */
.pink-overlay {
    position: absolute;
    bottom: 0;
    right: 0;
    image-rendering: pixelated;
    image-rendering: -moz-crisp-edges;
    image-rendering: crisp-edges;
    pointer-events: none;
    z-index: 3;
}

#pink-portrait {
    height: 230px;
    width: auto;
    z-index: 4;
}

/* The tail is a full-body overlay pinned behind the portrait at the same
   alignment; it wiggles frame to frame while Pink talks and rests otherwise. */
#pink-tail {
    bottom: 0;
    right: 0;
    height: 230px;
    width: auto;
    z-index: 2;
}

/* When Pink is speaking she fills the right edge, so pull the text away from
   her side so she has "less space" and the type stays clear of her body. */
.textbox.pink-active {
    align-items: flex-end;
}

.textbox.pink-active .textbox-content {
    padding-right: 170px;
}

.textbox.pink-active .portrait-container {
    display: none;
}

.textbox.pink-active #advance-indicator,
.textbox.pink-active #loading-gif {
    left: 24px;
    right: auto;
}

#dialogue-text {
    font-size: 30px;
    line-height: 1.6;
    min-height: 144px;
    white-space: pre-wrap;
}

.input-container {
    padding: 0;
    display: flex;
    gap: 10px;
    justify-content: center;
    width: 100%;
    max-width: 920px;
}

#user-input {
    flex: 1;
    max-width: 500px;
    padding: 10px;
    font-family: 'Undertale', 'Courier Prime', monospace;
    font-size: 18px;
    background-color: #000;
    color: #fff;
    border: 2px solid #fff;
    outline: none;
}

#user-input:focus {
    border-color: #ccc;
}

#send-button {
    aspect-ratio: 1;
    flex-shrink: 0;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 0;
    font-family: 'Undertale', 'Courier Prime', monospace;
    font-size: 22px;
    line-height: 1;
    background-color: #000;
    color: #fff;
    border: 2px solid #fff;
    cursor: pointer;
    transition: all 0.1s;
}

#send-button.hidden,
#regenerate-button.hidden,
#show-history.hidden,
#new-chat-button.hidden {
    display: none !important;
}

#send-button img {
    width: 24px;
    height: 24px;
    image-rendering: pixelated;
    image-rendering: -moz-crisp-edges;
    image-rendering: crisp-edges;
}

#send-button:hover {
    background-color: #333;
}

#send-button:active {
    background-color: #555;
}

.hidden,
#warning-overlay.hidden {
    display: none;
}

#warning-overlay {
    position: fixed;
    inset: 0;
    z-index: 6000;
    background: rgba(0, 0, 0, 0.85);
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 20px;
    box-sizing: border-box;
}

.warning-box {
    width: 440px;
    max-width: 90vw;
    text-align: center;
    border: 3px solid #f33;
    padding: 22px 24px;
    background: #000;
    box-shadow: 0 0 24px rgba(255, 0, 0, 0.4);
}

.warning-title {
    font-size: 30px;
    letter-spacing: 3px;
    margin-bottom: 16px;
    color: #f33;
    font-weight: bold;
}

.warning-text {
    font-size: 16px;
    line-height: 1.5;
    color: #fff;
    margin-bottom: 22px;
    text-align: left;
}

#warning-ok {
    font-family: 'Undertale', 'Courier Prime', monospace;
    font-size: 18px;
    padding: 8px 32px;
    border: 2px solid #fff;
    background: #000;
    color: #fff;
    cursor: pointer;
    letter-spacing: 2px;
}

#warning-ok:hover {
    background: #fff;
    color: #000;
}

#kofi-popup {
    position: fixed;
    inset: 0;
    z-index: 6100;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 20px;
    background: rgba(0, 0, 0, 0.82);
}

#kofi-popup.hidden {
    display: none;
}

.kofi-popup-card {
    width: min(440px, 100%);
    max-height: calc(100vh - 40px);
    overflow: auto;
    border: 3px solid #fff;
    background: #000;
    box-shadow: 0 0 24px rgba(255, 255, 255, 0.16);
}

.kofi-popup-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 10px 12px;
    border-bottom: 2px solid #fff;
}

.kofi-popup-header h2 {
    margin: 0;
    font-size: 18px;
    font-weight: normal;
}

#kofi-close {
    width: 30px;
    height: 30px;
    border: 2px solid #fff;
    background: #000;
    color: #fff;
    font: inherit;
    font-size: 22px;
    line-height: 1;
    cursor: pointer;
}

#kofi-close:hover,
#kofi-close:focus-visible {
    background: #fff;
    color: #000;
    outline: none;
}

#kofiframe {
    display: block;
    max-width: 100%;
}

.minitext {
    position: absolute;
    right: 20px;
    bottom: 20px;
    background-color: rgba(0, 0, 0, 0.8);
    padding: 8px 12px;
    max-width: 200px;
    font-size: 14px;
    line-height: 1.2;
    display: flex;
    align-items: center;
    gap: 8px;
    transform: translateX(100%);
    animation: slideInFromRight 0.3s ease-out forwards;
    z-index: 10;
}

.minitext img {
    width: 32px;
    height: 32px;
    image-rendering: pixelated;
    image-rendering: -moz-crisp-edges;
    image-rendering: crisp-edges;
    flex-shrink: 0;
    object-fit: contain;
}

.minitext-text {
    flex: 1;
    word-wrap: break-word;
}

#loading-gif {
    position: absolute;
    right: 16px;
    bottom: 12px;
    width: 34px;
    height: auto;
    image-rendering: pixelated;
    image-rendering: -moz-crisp-edges;
    image-rendering: crisp-edges;
    z-index: 5;
    pointer-events: none;
}

#loading-gif.hidden,
#advance-indicator.hidden {
    display: none !important;
}

#advance-indicator {
    position: absolute;
    right: 18px;
    bottom: 10px;
    width: 44px;
    height: auto;
    image-rendering: pixelated;
    filter: drop-shadow(0 0 4px rgba(255, 255, 255, 0.5));
    z-index: 5;
    pointer-events: none;
}

#regenerate-button {
    aspect-ratio: 1;
    flex-shrink: 0;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 0;
    font-family: 'Undertale', 'Courier Prime', monospace;
    font-size: 26px;
    line-height: 1;
    background-color: #000;
    color: #fff;
    border: 2px solid #fff;
    cursor: pointer;
    transition: all 0.1s;
}

#regenerate-button img {
    width: 24px;
    height: 24px;
    image-rendering: pixelated;
    image-rendering: -moz-crisp-edges;
    image-rendering: crisp-edges;
}

#regenerate-button:hover {
    background-color: #333;
}

#regenerate-button:active {
    background-color: #555;
}

#regenerate-button:disabled {
    opacity: 0.5;
    cursor: not-allowed;
}

#user-input:disabled,
#send-button:disabled {
    opacity: 0.5;
    cursor: not-allowed;
}

@keyframes slideInFromRight {
    from {
        transform: translateX(100%);
    }
    to {
        transform: translateX(0);
    }
}

.dev-panel {
    position: fixed;
    top: 20px;
    right: 20px;
    width: 300px;
    background-color: #222;
    border: 2px solid #fff;
    padding: 0;
    z-index: 3002;
    font-family: 'Undertale', 'Courier Prime', monospace;
    color: #fff;
    max-height: 80vh;
    overflow-y: auto;
}

.dev-header {
    background-color: #333;
    padding: 10px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    border-bottom: 2px solid #fff;
}

.dev-header h3 {
    margin: 0;
    font-size: 16px;
}

.dev-content {
    padding: 15px;
}

.dev-section {
    margin-bottom: 20px;
}

.dev-section h4 {
    margin: 0 0 10px 0;
    font-size: 14px;
    color: #ccc;
}

.dev-button {
    background-color: #000;
    color: #fff;
    border: 2px solid #fff;
    padding: 8px 12px;
    font-family: 'Undertale', 'Courier Prime', monospace;
    font-size: 12px;
    cursor: pointer;
    transition: all 0.1s;
}

.dev-button:hover {
    background-color: #333;
}

.dev-button:active {
    background-color: #555;
}

.dev-select {
    width: 100%;
    padding: 8px;
    margin-bottom: 10px;
    background-color: #000;
    color: #fff;
    border: 2px solid #fff;
    font-family: 'Undertale', 'Courier Prime', monospace;
    font-size: 12px;
}

.dev-input {
    width: 100%;
    padding: 8px;
    margin-bottom: 10px;
    background-color: #000;
    color: #fff;
    border: 2px solid #fff;
    font-family: 'Undertale', 'Courier Prime', monospace;
    font-size: 12px;
}

.dev-input:focus {
    outline: none;
    border-color: #ccc;
}

.dev-slider {
    width: 60%;
    margin-right: 10px;
}

#pitch-value {
    font-size: 12px;
    color: #ccc;
}

.dev-panel::-webkit-scrollbar {
    width: 8px;
}

.dev-panel::-webkit-scrollbar-track {
    background: #333;
}

.dev-panel::-webkit-scrollbar-thumb {
    background: #555;
    border-radius: 4px;
}

.dev-panel::-webkit-scrollbar-thumb:hover {
    background: #666;
}

.world-dialogue-container {
    position: fixed;
    bottom: 20px;
    left: 50%;
    transform: translateX(-50%);
    z-index: 3000;
    font-family: 'Undertale', 'Courier Prime', monospace;
}

.world-textbox {
    width: 600px;
    height: 150px;
    background-color: #000;
    border: 4px solid #fff;
    padding: 20px;
    position: relative;
    display: flex;
    align-items: flex-start;
}

.world-textbox-content {
    font-size: 18px;
    line-height: 1.4;
    color: #fff;
    width: 100%;
    height: 100%;
    white-space: pre-wrap;
    overflow-y: auto;
}

#interactive-textbox-container {
    position: fixed;
    bottom: 20px;
    left: 50%;
    transform: translateX(-50%);
    z-index: 3000;
    font-family: 'Undertale', 'Courier Prime', monospace;
}

#interactive-textbox-container .world-textbox {
    width: 600px;
    height: 100px;
    background-color: #000;
    border: 4px solid #fff;
    padding: 10px;
    position: relative;
    display: flex;
    align-items: center;
    justify-content: center;
}

#interactive-input {
    width: 500px;
    padding: 10px;
    font-size: 18px;
    font-family: 'Undertale', 'Courier Prime', monospace;
    background-color: #000;
    color: #fff;
    border: 2px solid #fff;
    outline: none;
}

#interactive-input:focus {
    border-color: #ccc;
}

/* Mobile responsiveness for world dialogue */
@media (max-width: 768px) {
    .world-textbox {
        width: 400px;
        height: 130px;
        padding: 15px;
    }
    
    .world-textbox-content {
        font-size: 16px;
    }
}

/* On-screen Z/X touch controls (touch / mobile devices only) */
.touch-controls {
    position: fixed;
    left: 0;
    right: 0;
    bottom: 12px;
    display: none;
    justify-content: space-between;
    align-items: flex-end;
    padding: 0 16px;
    z-index: 2400;
    pointer-events: none;
    touch-action: manipulation;
}

.touch-btn {
    pointer-events: auto;
    width: 62px;
    height: 62px;
    border: 3px solid #fff;
    border-radius: 50%;
    background: rgba(17, 17, 17, 0.85);
    color: #fff;
    font-family: 'Undertale', 'Courier Prime', monospace;
    font-size: 26px;
    line-height: 1;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    touch-action: manipulation;
    -webkit-user-select: none;
    user-select: none;
    -webkit-tap-highlight-color: transparent;
}

.touch-btn:active {
    background: #555;
}

@media (pointer: coarse) {
    .touch-controls {
        display: flex;
    }
    .game-container {
        padding-bottom: 110px;
    }
}

/* In portrait (taller than wide), move the pull-tab up near the top of the screen. */
@media (max-width: 768px) and (orientation: portrait) {
    #history-tab {
        top: 12px;
        transform: none;
    }
}

/* Mobile responsiveness */
@media (max-width: 768px) {
    /* The full-size PC textbox is used on all screens; fitTextBox() scales it
       down via transform when it would overflow, so we intentionally do NOT
       restyle the textbox (or its portrait/dialogue-text) here. */
    .dialogue-container {
        flex-direction: column;
        align-items: center;
        gap: 10px;
    }
    
    #user-input {
        font-size: 15px;
    }
    
    #send-button {
        font-size: 20px;
    }
    
    #regenerate-button {
        font-size: 24px;
    }
}