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

body {
    font-family: 'Comic Sans MS', 'Marker Felt', cursive;
    min-height: 100vh;
    display: flex;
    justify-content: center;
    align-items: center;
    position: relative;
    background: linear-gradient(135deg, #fff9e6 0%, #ffe4b5 25%, #ffd1dc 50%, #e6e6fa 75%, #f0f8ff 100%);
    color: #2c3e50;
    overflow: hidden;
}

.back-button {
    position: fixed;
    top: 20px;
    left: 20px;
    z-index: 1000;
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 12px 20px;
    background: #fff;
    border: 3px solid #2c3e50;
    border-radius: 15px;
    color: #2c3e50;
    text-decoration: none;
    font-size: 14px;
    font-weight: bold;
    cursor: pointer;
    transition: all 0.3s ease;
    box-shadow: 3px 3px 0px #2c3e50;
    transform: rotate(-2deg);
}

.back-button:hover {
    background: #f39c12;
    transform: rotate(0deg) translateY(-2px);
    box-shadow: 5px 5px 0px #2c3e50;
}

.sketch-background {
    position: fixed;
    width: 100vw;
    height: 100vh;
    top: 0;
    left: 0;
    pointer-events: none;
    z-index: 1;
}

.sketch-doodle {
    position: absolute;
    font-size: 30px;
    animation: doodleFloat 8s ease-in-out infinite;
    filter: drop-shadow(2px 2px 4px rgba(0, 0, 0, 0.1));
}

.doodle-1 { top: 15%; left: 10%; animation-delay: 0s; transform: rotate(-15deg); }
.doodle-2 { top: 70%; right: 15%; animation-delay: 3s; transform: rotate(20deg); }
.doodle-3 { bottom: 20%; left: 20%; animation-delay: 6s; transform: rotate(-10deg); }

.sketch-lines .sketch-line {
    position: absolute;
    background: #2c3e50;
    opacity: 0.1;
    animation: sketchMove 10s ease-in-out infinite;
}

.line-1 {
    width: 150px;
    height: 3px;
    top: 25%;
    left: 30%;
    transform: rotate(15deg);
    border-radius: 2px;
    animation-delay: 0s;
}

.line-2 {
    width: 100px;
    height: 3px;
    top: 60%;
    right: 25%;
    transform: rotate(-20deg);
    border-radius: 2px;
    animation-delay: 3s;
}

.line-3 {
    width: 80px;
    height: 3px;
    bottom: 30%;
    left: 50%;
    transform: rotate(10deg);
    border-radius: 2px;
    animation-delay: 6s;
}

.paper-texture {
    position: absolute;
    width: 100%;
    height: 100%;
    background: 
        radial-gradient(circle at 20% 80%, rgba(44, 62, 80, 0.02) 1px, transparent 1px),
        radial-gradient(circle at 80% 20%, rgba(44, 62, 80, 0.02) 1px, transparent 1px),
        radial-gradient(circle at 40% 40%, rgba(44, 62, 80, 0.01) 1px, transparent 1px);
    background-size: 30px 30px, 40px 40px, 20px 20px;
    opacity: 0.5;
}

@keyframes doodleFloat {
    0%, 100% { transform: translateY(0px) rotate(var(--rotation, 0deg)); }
    50% { transform: translateY(-15px) rotate(calc(var(--rotation, 0deg) + 5deg)); }
}

@keyframes sketchMove {
    0%, 100% { opacity: 0.1; transform: translateX(0px); }
    50% { opacity: 0.3; transform: translateX(10px); }
}

.form-container {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    z-index: 10;
    width: 100%;
    max-width: 400px;
    padding: 20px;
    transition: all 0.5s ease;
    opacity: 1;
    visibility: visible;
}

.form-container.hidden {
    opacity: 0;
    visibility: hidden;
    pointer-events: none;
}

.sketch-card {
    background: #fff;
    border: 4px solid #2c3e50;
    border-radius: 20px;
    padding: 40px;
    box-shadow: 8px 8px 0px rgba(44, 62, 80, 0.2);
    transition: all 0.3s ease;
    position: relative;
    overflow: hidden;
    transform: rotate(-1deg);
}

.sketch-card::before {
    content: '';
    position: absolute;
    top: 10px;
    left: 10px;
    right: 10px;
    bottom: 10px;
    border: 2px dashed rgba(44, 62, 80, 0.2);
    border-radius: 15px;
    pointer-events: none;
}

.sketch-card:hover {
    transform: rotate(0deg) translateY(-5px);
    box-shadow: 12px 12px 0px rgba(44, 62, 80, 0.3);
}

.sketch-card h2 {
    text-align: center;
    margin-bottom: 8px;
    font-size: 28px;
    font-weight: bold;
    color: #e74c3c;
    transform: rotate(-2deg);
    text-shadow: 2px 2px 0px rgba(231, 76, 60, 0.2);
}

.subtitle {
    text-align: center;
    margin-bottom: 32px;
    color: #f39c12;
    font-size: 14px;
    font-weight: bold;
    transform: rotate(1deg);
}

.form-group {
    position: relative;
    margin-bottom: 24px;
}

.form-group input {
    width: 100%;
    padding: 16px 12px 8px 12px;
    border: 3px solid #2c3e50;
    background: #fff;
    font-size: 16px;
    color: #2c3e50;
    outline: none;
    border-radius: 15px;
    transition: all 0.3s ease;
    font-family: 'Comic Sans MS', cursive;
    transform: rotate(-0.5deg);
}

.form-group input:focus {
    background: #fff9e6;
    border-color: #e74c3c;
    box-shadow: 3px 3px 0px rgba(231, 76, 60, 0.3);
    transform: rotate(0deg);
}

.form-group label {
    position: absolute;
    top: 16px;
    left: 12px;
    color: #7f8c8d;
    font-size: 16px;
    pointer-events: none;
    transition: all 0.3s ease;
    font-family: 'Comic Sans MS', cursive;
    font-weight: bold;
}

.form-group input:focus + label,
.form-group input:valid + label {
    top: -8px;
    left: 8px;
    font-size: 12px;
    color: #e74c3c;
    background: #fff;
    padding: 0 4px;
    border-radius: 8px;
    transform: rotate(-3deg);
}

.sketch-border {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    border: 4px solid transparent;
    border-radius: 15px;
    background: linear-gradient(45deg, #e74c3c, #f39c12, #3498db) border-box;
    -webkit-mask: linear-gradient(#fff 0 0) padding-box, linear-gradient(#fff 0 0);
    -webkit-mask-composite: exclude;
    mask: linear-gradient(#fff 0 0) padding-box, linear-gradient(#fff 0 0);
    mask-composite: exclude;
    opacity: 0;
    transition: all 0.3s ease;
    pointer-events: none;
}

.form-group input:focus ~ .sketch-border {
    opacity: 1;
    box-shadow: 3px 3px 0px rgba(231, 76, 60, 0.3);
}

.verification-group {
    display: flex;
    align-items: flex-end;
    gap: 12px;
}

.verification-group input {
    flex: 1;
}

.verify-btn {
    padding: 16px 20px;
    background: #f39c12;
    border: 3px solid #2c3e50;
    border-radius: 15px;
    color: #2c3e50;
    font-size: 14px;
    cursor: pointer;
    transition: all 0.3s ease;
    white-space: nowrap;
    font-family: 'Comic Sans MS', cursive;
    font-weight: bold;
    transform: rotate(1deg);
    box-shadow: 2px 2px 0px #2c3e50;
}

.verify-btn:hover {
    background: #e67e22;
    transform: rotate(0deg) translateY(-2px);
    box-shadow: 4px 4px 0px #2c3e50;
}

.sketch-btn {
    width: 100%;
    padding: 16px;
    margin: 32px 0 24px 0;
    background: #e74c3c;
    color: #fff;
    border: 4px solid #2c3e50;
    border-radius: 20px;
    font-size: 16px;
    font-weight: bold;
    cursor: pointer;
    transition: all 0.3s ease;
    position: relative;
    overflow: hidden;
    font-family: 'Comic Sans MS', cursive;
    text-transform: uppercase;
    transform: rotate(-1deg);
    box-shadow: 4px 4px 0px #2c3e50;
}

.sketch-btn:hover {
    background: #c0392b;
    transform: rotate(0deg) translateY(-3px);
    box-shadow: 6px 6px 0px #2c3e50;
}

.sketch-effect {
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.4), transparent);
    transition: all 0.5s ease;
}

.sketch-btn:hover .sketch-effect {
    left: 100%;
}

.additional-links {
    text-align: center;
    font-size: 14px;
}

.additional-links a {
    color: #3498db;
    text-decoration: none;
    transition: all 0.3s ease;
    font-weight: bold;
    position: relative;
}

.additional-links a::after {
    content: '';
    position: absolute;
    bottom: -2px;
    left: 0;
    width: 0;
    height: 2px;
    background: #3498db;
    transition: all 0.3s ease;
}

.additional-links a:hover::after {
    width: 100%;
}

.additional-links a:hover {
    color: #2980b9;
    transform: rotate(-1deg);
}

.divider {
    margin: 0 12px;
    color: #f39c12;
    font-weight: bold;
}

@media (max-width: 480px) {
    .form-container {
        padding: 16px;
    }
    
    .sketch-card {
        padding: 24px;
    }
    
    .sketch-card h2 {
        font-size: 24px;
    }
    
    .back-button {
        top: 16px;
        left: 16px;
        padding: 10px 16px;
        font-size: 13px;
    }
    
    .sketch-doodle, .sketch-lines {
        display: none;
    }
}

@keyframes sketchFadeIn {
    from {
        opacity: 0;
        transform: translateY(30px) scale(0.9) rotate(-5deg);
    }
    to {
        opacity: 1;
        transform: translateY(0) scale(1) rotate(-1deg);
    }
}

.sketch-card {
    animation: sketchFadeIn 1s ease-out;
}