:root {
    --bg-color: #ffffff;
    --text-color: #1a1a1a;
    --btn-bg: #f9f9f9;
    --btn-text: #1a1a1a;
    --btn-border: #e0e0e0;
    --btn-hover: #eeeeee;
    --shadow: rgba(0, 0, 0, 0.05);
    --focus-ring: rgba(0, 120, 255, 0.2);
    --trolley-img: url('image/blanc.png');
}

@media (prefers-color-scheme: dark) {
    :root {
        --bg-color: #121212;
        --text-color: #f1f1f1;
        --btn-bg: #1e1e1e;
        --btn-text: #f1f1f1;
        --btn-border: #333333;
        --btn-hover: #2a2a2a;
        --shadow: rgba(0, 0, 0, 0.5);
        --focus-ring: rgba(255, 255, 255, 0.1);
        --trolley-img: url('image/noir.png');
    }
}

body.light-theme {
    --bg-color: #ffffff;
    --text-color: #1a1a1a;
    --btn-bg: #f9f9f9;
    --btn-text: #1a1a1a;
    --btn-border: #e0e0e0;
    --btn-hover: #eeeeee;
    --shadow: rgba(0, 0, 0, 0.05);
    --focus-ring: rgba(0, 120, 255, 0.2);
    --trolley-img: url('image/blanc.png');
}

body.dark-theme {
    --bg-color: #121212;
    --text-color: #f1f1f1;
    --btn-bg: #1e1e1e;
    --btn-text: #f1f1f1;
    --btn-border: #333333;
    --btn-hover: #2a2a2a;
    --shadow: rgba(0, 0, 0, 0.5);
    --focus-ring: rgba(255, 255, 255, 0.1);
    --trolley-img: url('image/noir.png');
}

body {
    margin: 0;
    height: 100vh;
    display: flex;
    justify-content: center;
    align-items: center;
    background-image: url('image/PCB.png');
    background-size: cover;
    background-position: center;
    background-color: #111; 
    color: var(--text-color);
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
    overflow: hidden;
}

#falling-bg {
    position: fixed;
    top: 0; left: 0;
    width: 100%; height: 100vh;
    z-index: -2;
    background-color: var(--bg-color);
    transition: background-color 2s ease;
    transform-origin: top left;
}

body.lights-out #falling-bg {
    background-color: #050505;
}
body.lights-out {
    --text-color: #333333; 
    --btn-bg: #111111;
    --btn-border: #222222;
    --btn-hover: #1a1a1a;
    --btn-text: #444444;
}

@keyframes curtainFall {
    0% { transform: translateY(0) rotate(0deg); }
    10% { transform: translateY(-3vh) rotate(-1deg); } 
    100% { transform: translateY(150vh) rotate(15deg); }
}

@keyframes curtainRise {
    0% { transform: translateY(150vh) rotate(15deg); }
    100% { transform: translateY(0) rotate(0deg); }
}

#falling-bg.fall {
    animation: curtainFall 1.8s cubic-bezier(0.55, 0.085, 0.68, 0.53) forwards;
}

#falling-bg.rise {
    animation: curtainRise 1.2s cubic-bezier(0.2, 0.8, 0.2, 1) forwards;
}

body.pcb-revealed #message-box {
    color: #ffffff;
    text-shadow: 0 2px 6px rgba(0,0,0,0.9), 0 0 12px rgba(0,0,0,0.8);
    background-color: rgba(0, 0, 0, 0.55);
    border: 1px solid rgba(255, 255, 255, 0.15);
}

#app {
    text-align: center;
    max-width: 90vw;
    width: 600px;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
}

/* Correction de l'espace invisible au dessus : text maintenant centré verticalement dans la div */
#message-box {
    font-size: 1.4rem;
    font-weight: 500;
    min-height: 4rem;
    margin-bottom: 3rem;
    padding: 10px 20px;
    border-radius: 8px;
    background-color: transparent;
    border: 1px solid transparent;
    transition: opacity 0.15s ease-in-out, background-color 0.5s ease, border-color 0.5s ease;
    display: flex;
    align-items: center; /* <-- C'est ce qui corrige l'espace vide au dessus ! */
    justify-content: center;
    line-height: 1.4;
    z-index: 10;
    position: relative;
    box-sizing: border-box;
}

#main-btn-area {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 20px;
    position: relative;
    z-index: 5;
}

#btn-wrapper, .fake-wrapper {
    display: inline-block;
    transition: transform 0.3s cubic-bezier(0.34, 1.56, 0.64, 1);
}

#btn-wrapper.fleeing {
    transition: transform 0.15s ease-out;
}

#btn-wrapper.spamming {
    transition: transform 0.3s cubic-bezier(0.2, 0.8, 0.2, 1);
}

#the-button, .fake-button {
    padding: 16px 32px;
    font-size: 1.2rem;
    font-weight: 600;
    color: var(--btn-text);
    background-color: var(--btn-bg);
    border: 1px solid var(--btn-border);
    border-radius: 12px;
    cursor: pointer;
    box-shadow: 0 4px 12px var(--shadow);
    transition: transform 0.15s, background-color 0.2s, box-shadow 0.2s, opacity 0.4s ease, scale 0.4s ease;
    user-select: none;
    outline: none;
    transform-origin: center;
}

.fake-button.removing {
    opacity: 0;
    scale: 0.1;
}

#the-button:hover, .fake-button:hover {
    background-color: var(--btn-hover);
    box-shadow: 0 6px 16px var(--shadow);
}

#the-button:active, .fake-button:active {
    transform: translateY(2px) scale(0.98);
    box-shadow: 0 2px 8px var(--shadow);
}

#the-button:focus-visible {
    box-shadow: 0 0 0 4px var(--focus-ring);
}


/* Captcha Mini-jeu */
#mini-game-wrapper {
    display: none;
    flex-direction: column;
    align-items: center;
    width: 100%;
}

.captcha-box {
    background: var(--btn-bg);
    border: 1px solid var(--btn-border);
    padding: 15px 25px;
    border-radius: 8px;
    box-shadow: 0 4px 12px var(--shadow);
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 12px;
}

.captcha-row {
    display: flex;
    align-items: center;
    gap: 12px;
}

.captcha-row input {
    width: 22px;
    height: 22px;
    cursor: pointer;
}

.captcha-row label {
    font-size: 1.1rem;
    user-select: none;
    pointer-events: none;
}

#captcha-validate-btn {
    padding: 8px 16px;
    border-radius: 6px;
    border: 1px solid var(--btn-border);
    background-color: var(--bg-color);
    color: var(--text-color);
    cursor: pointer;
    font-weight: bold;
    display: none;
    transition: background 0.2s;
}

#captcha-validate-btn:hover {
    background-color: var(--btn-hover);
}

/* Tic Tac Toe Mini-jeu */
#tictactoe-wrapper {
    display: none;
    flex-direction: column;
    align-items: center;
}

.ttt-board {
    display: grid;
    grid-template-columns: repeat(3, 80px);
    grid-gap: 5px;
    margin-top: 10px;
}

.ttt-cell {
    width: 80px;
    height: 80px;
    background: var(--btn-bg);
    border: 1px solid var(--btn-border);
    display: flex;
    justify-content: center;
    align-items: center;
    font-size: 2.5rem;
    font-weight: bold;
    cursor: pointer;
    border-radius: 6px;
    user-select: none;
}

.ttt-cell:hover {
    background: var(--btn-hover);
}

#ttt-msg {
    margin-top: 15px;
    font-size: 1.2rem;
    height: 1.5rem;
    font-weight: 500;
}

#ttt-continue-btn {
    margin-top: 15px;
    padding: 8px 16px;
    border-radius: 6px;
    border: 1px solid var(--btn-border);
    background-color: var(--btn-bg);
    color: var(--btn-text);
    cursor: pointer;
    font-weight: bold;
    display: none;
}
#ttt-continue-btn:hover {
    background-color: var(--btn-hover);
}

/* Skip btn */
#skip-btn {
    position: absolute;
    bottom: 20px;
    right: 20px;
    display: none;
    background: none;
    border: none;
    color: var(--text-color);
    opacity: 0.3;
    cursor: pointer;
    font-size: 0.85rem;
    text-decoration: underline;
    transition: opacity 0.2s;
}

#skip-btn:hover {
    opacity: 1;
}

/* Achievement Toast */
#achievement-toast {
    position: fixed;
    top: -100px;
    right: 20px;
    width: 280px;
    background-color: #2b2d31;
    color: #e3e5e8;
    border: 1px solid #1e1f22;
    border-radius: 6px;
    box-shadow: 0 8px 20px rgba(0,0,0,0.5);
    display: flex;
    align-items: center;
    padding: 15px;
    gap: 15px;
    transition: top 0.6s cubic-bezier(0.175, 0.885, 0.32, 1.275);
    z-index: 1000;
    pointer-events: none;
    font-family: Arial, sans-serif;
}
#achievement-toast.show {
    top: 20px;
}
.achiev-icon {
    width: 44px;
    height: 44px;
    background: linear-gradient(135deg, #f1c40f, #e67e22);
    border-radius: 5px;
    display: flex;
    justify-content: center;
    align-items: center;
    font-size: 1.6rem;
    box-shadow: inset 0 0 5px rgba(0,0,0,0.2);
}
.achiev-text {
    display: flex;
    flex-direction: column;
}
.achiev-text h4 {
    margin: 0 0 4px 0;
    font-size: 0.85rem;
    color: #a0a0a0;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}
.achiev-text p {
    margin: 0;
    font-size: 1rem;
    font-weight: bold;
    color: #ffffff;
}

/* Liens web */
#links-wrapper {
    display: none;
    flex-direction: column;
    gap: 12px;
}
.link-logo {
    width: 24px;
    height: 24px;
    object-fit: cover;
    border-radius: 4px;
}
.link-btn {
    padding: 14px 24px;
    background-color: var(--btn-bg);
    color: var(--btn-text);
    text-decoration: none;
    border: 1px solid var(--btn-border);
    border-radius: 8px;
    font-size: 1.1rem;
    font-weight: 600;
    transition: background-color 0.2s, transform 0.2s;
    display: inline-flex;
    align-items: center;
    justify-content: left;
    gap: 12px;
    min-width: 280px;
    box-shadow: 0 4px 10px var(--shadow);
}
.link-btn:hover {
    background-color: var(--btn-hover);
    transform: translateY(-2px);
}

/* Dev Tool */
/* Theme Toggle Button */
#theme-toggle-btn {
    position: fixed;
    top: 20px;
    right: 20px;
    width: 50px;
    height: 50px;
    background: transparent;
    border: none;
    cursor: pointer;
    z-index: 10003;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: transform 0.3s cubic-bezier(0.175, 0.885, 0.32, 1.275);
    outline: none;
    border-radius: 50%;
    padding: 0;
}

#theme-toggle-btn img {
    width: 100%;
    height: 100%;
    object-fit: contain;
    transition: transform 0.5s ease;
}

#theme-toggle-btn:hover {
    transform: scale(1.15);
}

#theme-toggle-btn:hover img {
    transform: rotate(45deg);
}

#theme-toggle-btn:active {
    transform: scale(0.95);
}
#dev-modal {
    display: none; 
    position: fixed;
    top: 20px;
    right: 20px;
    background: var(--bg-color);
    border: 2px dashed var(--btn-border);
    padding: 20px;
    border-radius: 8px;
    box-shadow: 0 4px 20px var(--shadow);
    z-index: 10002;
    flex-direction: column;
    gap: 15px;
    color: var(--text-color);
    max-width: 320px;
    text-shadow: none;
}
.dev-modal-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
}
.dev-modal-header h4 { margin: 0; }
.dev-input-group {
    display: flex;
    gap: 10px;
}
.dev-input-group input {
    width: 70px;
    padding: 5px;
    border: 1px solid var(--btn-border);
    background: var(--btn-bg);
    color: var(--text-color);
    border-radius: 4px;
    font-size: 1rem;
}
.dev-input-group button {
    padding: 5px 12px;
    background: var(--btn-hover);
    color: var(--text-color);
    border: 1px solid var(--btn-border);
    border-radius: 4px;
    cursor: pointer;
    font-size: 1rem;
}
.dev-list {
    margin: 0;
    padding-left: 20px;
    font-size: 0.9rem;
    line-height: 1.5;
    opacity: 0.9;
}

/* Settings Modal */
#settings-modal {
    display: none;
    position: fixed;
    top: 20px;
    right: 20px;
    background: var(--btn-bg);
    border: 1px solid var(--btn-border);
    padding: 20px;
    border-radius: 12px;
    box-shadow: 0 10px 25px var(--shadow);
    z-index: 10000;
    flex-direction: column;
    gap: 15px;
    color: var(--text-color);
    min-width: 260px;
    box-sizing: border-box;
}

.settings-modal-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    border-bottom: 1px solid var(--btn-border);
    padding-bottom: 10px;
    margin-bottom: 5px;
    gap: 20px;
}

.settings-modal-header h4 {
    margin: 0;
    font-size: 1.1rem;
}

#settings-btn-close {
    cursor: pointer;
    background: none;
    border: none;
    padding: 0;
    width: 26px;
    height: 26px;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: transform 0.3s cubic-bezier(0.175, 0.885, 0.32, 1.275);
    outline: none;
}

#settings-btn-close img {
    width: 100%;
    height: 100%;
    object-fit: contain;
    transition: transform 0.5s ease;
}

#settings-btn-close:hover {
    transform: scale(1.15);
}

#settings-btn-close:hover img {
    transform: rotate(-45deg);
}

#settings-btn-close:active {
    transform: scale(0.95);
}

.settings-option {
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 15px;
}

.settings-option label {
    font-weight: 500;
    font-size: 0.95rem;
    cursor: pointer;
}

.settings-action-btn {
    width: 100%;
    padding: 8px 12px;
    background-color: var(--bg-color);
    color: var(--text-color);
    border: 1px solid var(--btn-border);
    border-radius: 6px;
    font-weight: 600;
    cursor: pointer;
    transition: background 0.2s, transform 0.1s;
    font-size: 0.95rem;
}

.settings-action-btn:hover {
    background-color: var(--btn-hover);
}

.settings-action-btn:active {
    transform: scale(0.98);
}

#legal-btn {
    background: none;
    border: none;
    padding: 4px 8px;
    color: var(--text-color);
    font-size: 0.85rem;
    font-weight: normal;
    text-decoration: underline;
    cursor: pointer;
    opacity: 0.6;
    transition: opacity 0.2s;
    outline: none;
}

#legal-btn:hover {
    opacity: 1;
    background: none;
}

#legal-btn:active {
    opacity: 0.8;
}

/* Styled checkbox and switches */
.switch {
    position: relative;
    display: inline-block;
    width: 44px;
    height: 22px;
}

.switch input {
    opacity: 0;
    width: 0;
    height: 0;
}

.slider {
    position: absolute;
    cursor: pointer;
    top: 0; left: 0; right: 0; bottom: 0;
    background-color: #ccc;
    transition: .3s;
    border-radius: 22px;
}

.slider:before {
    position: absolute;
    content: "";
    height: 16px;
    width: 16px;
    left: 3px;
    bottom: 3px;
    background-color: white;
    transition: .3s;
    border-radius: 50%;
}

input:checked + .slider {
    background-color: #2ecc71;
}

input:checked + .slider:before {
    transform: translateX(22px);
}

/* Tramway UI */
#trolley-wrapper {
    display: none;
    flex-direction: column;
    align-items: center;
    background: var(--btn-bg);
    padding: 20px;
    border: 1px solid var(--btn-border);
    border-radius: 12px;
    box-shadow: 0 4px 12px var(--shadow);
    max-width: 400px;
    margin-top: 20px;
    z-index: 20;
}
.trolley-scene {
    width: 100%;
    height: 150px;
    background-image: var(--trolley-img);
    background-size: contain;
    background-position: center;
    background-repeat: no-repeat;
    margin-bottom: 20px;
}
.trolley-choices {
    display: flex;
    gap: 15px;
}
.trolley-btn {
    padding: 10px 20px;
    border-radius: 8px;
    border: 1px solid var(--btn-border);
    background: var(--bg-color);
    color: var(--text-color);
    cursor: pointer;
    font-weight: 600;
    transition: background 0.2s, transform 0.1s;
}
.trolley-btn:hover {
    background: var(--btn-hover);
}
.trolley-btn:active {
    transform: scale(0.95);
}

/* Cracked Button State */
#the-button.cracked {
    background: linear-gradient(135deg, rgba(230,0,0,0.2) 0%, transparent 10%),
                linear-gradient(45deg, transparent 40%, rgba(0,0,0,0.1) 42%, transparent 45%),
                var(--btn-bg);
    box-shadow: inset 0 0 10px rgba(0,0,0,0.3);
    border-color: #888;
    color: #a00;
    transform: rotate(-2deg);
}

/* Legal Modal */
#legal-modal {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.65);
    backdrop-filter: blur(4px);
    z-index: 10005;
    justify-content: center;
    align-items: center;
    padding: 20px;
    box-sizing: border-box;
}

.legal-modal-content {
    background: var(--btn-bg);
    color: var(--text-color);
    border: 1px solid var(--btn-border);
    border-radius: 12px;
    box-shadow: 0 12px 32px var(--shadow);
    max-width: 520px;
    width: 100%;
    max-height: 85vh;
    display: flex;
    flex-direction: column;
    overflow: hidden;
    animation: legalFadeIn 0.2s ease-out;
}

@keyframes legalFadeIn {
    from {
        opacity: 0;
        transform: scale(0.95);
    }
    to {
        opacity: 1;
        transform: scale(1);
    }
}

.legal-modal-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 16px 20px;
    border-bottom: 1px solid var(--btn-border);
}

.legal-modal-header h3 {
    margin: 0;
    font-size: 1.2rem;
    font-weight: 600;
}

.legal-close-btn {
    background: none;
    border: none;
    font-size: 1.6rem;
    cursor: pointer;
    color: var(--text-color);
    opacity: 0.6;
    transition: opacity 0.2s, transform 0.2s;
    line-height: 1;
    padding: 0 4px;
}

.legal-close-btn:hover {
    opacity: 1;
    transform: scale(1.15);
}

.legal-modal-body {
    padding: 20px;
    overflow-y: auto;
    font-size: 0.95rem;
    line-height: 1.6;
    text-align: left;
}

.legal-modal-body h4 {
    margin: 18px 0 6px 0;
    font-size: 1.05rem;
    color: var(--text-color);
}

.legal-modal-body h4:first-child {
    margin-top: 0;
}

.legal-modal-body p {
    margin: 0 0 12px 0;
    opacity: 0.9;
}

.legal-modal-body strong {
    color: var(--text-color);
}