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

body {
    min-height: 100vh;
    background: radial-gradient(circle at 20% 30%, #0a0f1a 0%, #030507 100%);
    font-family: 'Courier New', 'SF Mono', 'Fira Code', monospace;
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
    overflow-x: hidden;
}

#bgCanvas {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    display: block;
    z-index: 0;
    pointer-events: none;
}

.steps-container {
    position: relative;
    z-index: 20;
    width: 100%;
    max-width: 600px;
    margin: 20px;
    perspective: 800px;
}

.step-card {
    background: rgba(10, 14, 23, 0.85);
    backdrop-filter: blur(18px);
    border-radius: 42px;
    border: 1px solid rgba(0, 255, 200, 0.35);
    box-shadow: 0 25px 45px rgba(0, 0, 0, 0.6), 0 0 20px rgba(0, 255, 180, 0.2);
    padding: 2rem 1.8rem;
    transition: all 0.25s ease;
    text-align: center;
}

.step-header {
    display: flex;
    justify-content: space-between;
    align-items: baseline;
    margin-bottom: 1.8rem;
    border-bottom: 1px dashed rgba(0, 255, 200, 0.4);
    padding-bottom: 0.8rem;
}

.step-badge {
    font-size: 0.7rem;
    background: #00cca322;
    padding: 0.2rem 0.8rem;
    border-radius: 40px;
    letter-spacing: 1px;
    color: #8effd4;
    font-weight: bold;
}

.step-title {
    font-size: 1.3rem;
    font-weight: bold;
    letter-spacing: 2px;
    color: #d0fff0;
    text-shadow: 0 0 4px #00ffc3;
}

.kaptcha-prompt {
    background: #050a0ecc;
    padding: 1rem;
    border-radius: 28px;
    margin: 1rem 0;
    border: 1px solid #2affaa30;
}

.kaptcha-question {
    font-size: 0.85rem;
    color: #bbffdd;
    margin-bottom: 0.8rem;
    font-family: monospace;
    text-transform: uppercase;
    letter-spacing: 1px;
}

.kaptcha-value {
    font-size: 2.2rem;
    font-weight: bold;
    background: #0a0f15;
    display: inline-block;
    padding: 0.5rem 1.5rem;
    border-radius: 12px;
    letter-spacing: 8px;
    font-family: 'Courier New', 'SF Mono', monospace;
    font-weight: 800;
    border: 2px solid #4affaa;
    box-shadow: 0 0 10px rgba(74, 255, 170, 0.3);
    transition: all 0.05s ease;
    backdrop-filter: blur(2px);
}

.kaptcha-prompt {
    position: relative;
    overflow: hidden;
}

.kaptcha-prompt::before {
    content: "";
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: repeating-linear-gradient(
        45deg,
        transparent,
        transparent 10px,
        rgba(0, 255, 170, 0.05) 10px,
        rgba(0, 255, 170, 0.05) 20px
    );
    pointer-events: none;
    border-radius: 28px;
}

.kaptcha-input {
    margin: 1.2rem 0;
}

.kaptcha-input input {
    width: 85%;
    background: #0f1a1f;
    border: 1.5px solid #2affaa;
    padding: 12px 16px;
    border-radius: 60px;
    font-family: monospace;
    font-size: 1.1rem;
    text-align: center;
    color: #eafff0;
    outline: none;
    transition: 0.2s;
    letter-spacing: 1px;
}

.kaptcha-input input:focus {
    border-color: #ffd966;
    box-shadow: 0 0 12px #ffb347;
    background: #071217;
}

.error-msg {
    color: #ff7b72;
    font-size: 0.7rem;
    margin-top: 8px;
    min-height: 30px;
}

.recaptcha-box {
    display: flex;
    align-items: center;
    justify-content: space-between;
    background: #1e2a2f;
    border-radius: 8px;
    border: 1px solid #3e5a5f;
    padding: 12px 16px;
    margin: 15px 0 5px;
    cursor: pointer;
    transition: all 0.2s;
    backdrop-filter: blur(4px);
}

.recaptcha-box:hover {
    background: #263b41;
    border-color: #6effc0;
}

.checkbox-area {
    display: flex;
    align-items: center;
    gap: 12px;
}

.fake-checkbox {
    width: 24px;
    height: 24px;
    background: #0f1a1c;
    border: 2px solid #5fcfb0;
    border-radius: 4px;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: 0.1s linear;
    font-size: 16px;
    font-weight: bold;
}

.recaptcha-box.checked .fake-checkbox {
    background: #2effb0;
    border-color: #b3ffcf;
    color: #0a2b1f;
}

.recaptcha-text {
    font-family: 'Segoe UI', 'Helvetica Neue', sans-serif;
    font-size: 0.85rem;
    font-weight: 500;
    color: #e2f0e8;
}

.recaptcha-logo {
    font-size: 0.7rem;
    background: #0f1f1c;
    padding: 4px 8px;
    border-radius: 20px;
    font-family: monospace;
    color: #9cf5d0;
    display: flex;
    gap: 6px;
}

.verif-badge {
    font-size: 0.7rem;
    margin-top: 4px;
    text-align: right;
    color: #b3ffcc;
}

/* Style pour le vrai Captcha déformé */
.captcha-container {
    background: #0a0f15;
    border-radius: 16px;
    padding: 15px;
    margin: 10px 0 20px;
    border: 1px solid #2affaa;
    box-shadow: 0 0 15px rgba(42, 255, 170, 0.2);
}

.captcha-canvas {
    display: block;
    margin: 0 auto;
    width: 100%;
    height: auto;
    border-radius: 8px;
    background: #0a0f15;
}

.captcha-input {
    margin: 15px 0;
}

.captcha-input input {
    width: 100%;
    background: #0f1a1f;
    border: 1.5px solid #2affaa;
    padding: 14px 16px;
    border-radius: 12px;
    font-family: monospace;
    font-size: 1rem;
    text-align: center;
    color: #eafff0;
    outline: none;
    transition: 0.2s;
}

.captcha-input input:focus {
    border-color: #ffd966;
    box-shadow: 0 0 12px #ffb347;
}


/* GRID IMAGES */
.grid-prompt {
    margin: 15px 0;
    text-align: center;
    color: #c0ffe0;
}

.small-hint {
    font-size: 0.7rem;
    opacity: 0.7;
    margin-top: 5px;
}

.image-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 12px;
    margin: 20px 0;
}

/* Ajoute ou remplace dans style.css */
.grid-item {
    aspect-ratio: 1 / 1;
    background: #0a1217;
    border-radius: 8px;
    overflow: hidden;
    cursor: pointer;
    border: 2px solid #2a5f4a;  /* Bordure plus fine */
    transition: all 0.15s ease;
    position: relative;
}

.grid-item img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    display: block;
    pointer-events: none;
}

.grid-item.selected {
    border-color: #2effb0;
    box-shadow: 0 0 12px #00ffaa;
    transform: scale(0.97);
}

.grid-item.selected::after {
    content: "✓";
    position: absolute;
    top: 4px;
    right: 6px;
    color: #2effb0;
    font-size: 18px;
    font-weight: bold;
    text-shadow: 0 0 4px #00aa66;
    pointer-events: none;
}

.action-btn {
    background: rgba(0, 30, 25, 0.8);
    border: 1.5px solid #22ffb0;
    border-radius: 60px;
    padding: 12px 24px;
    font-family: monospace;
    font-weight: bold;
    font-size: 1rem;
    color: #ccffee;
    cursor: pointer;
    transition: 0.2s;
    margin-top: 20px;
    width: 80%;
    letter-spacing: 2px;
}

.action-btn:hover {
    background: #00ffaa22;
    border-color: #fdffb9;
    box-shadow: 0 0 12px #00ffaa;
    transform: scale(0.98);
}

.progress-dots {
    display: flex;
    justify-content: center;
    gap: 18px;
    margin-top: 28px;
}

.dot {
    width: 10px;
    height: 10px;
    border-radius: 50%;
    background: #2c4a42;
    transition: all 0.2s;
    border: 1px solid #4affb0;
}

.dot.active {
    background: #b5ffd0;
    box-shadow: 0 0 12px #3eff9e;
    transform: scale(1.2);
}

.hidden {
    display: none;
}

.final-message {
    margin: 1rem 0;
}

.human-badge {
    font-size: 3.5rem;
    margin: 12px 0;
    filter: drop-shadow(0 0 6px #0affb0);
}

.footnote {
    font-size: 0.6rem;
    margin-top: 1rem;
    opacity: 0.6;
}

.loading-spinner-small {
    display: inline-block;
    width: 16px;
    height: 16px;
    border: 2px solid rgba(0,255,170,0.3);
    border-top: 2px solid #2effb0;
    border-radius: 50%;
    animation: spin 0.7s linear infinite;
    margin-left: 8px;
    vertical-align: middle;
}

@keyframes spin {
    0% { transform: rotate(0deg); }
    100% { transform: rotate(360deg); }
}