:root {
    --primary-color: #ff4a8b;
    --primary-hover: #e03270;
    --bg-color: #ffeef8;
    --card-bg: rgba(255, 255, 255, 0.88);
    --text-color: #4a2838;
    --text-muted: #a67c90;
    --border-color: #ffd6e8;
    --focus-ring: rgba(255, 74, 139, 0.25);
    --border-radius: 24px;
    --font-family: 'Comfortaa', 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
    --danger-color: #ff4d4d;
}

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

body {
    font-family: var(--font-family);
    background-color: var(--bg-color);
    background-image: linear-gradient(135deg, #ffeef8 0%, #ffd6e8 100%);
    color: var(--text-color);
    line-height: 1.5;
    padding: 30px 10px;
    display: flex;
    justify-content: center;
    align-items: center;
    min-height: 100vh;
    overflow-x: hidden;
    position: relative;
}

.sakura-container {
    position: fixed;
    top: 0;
    left: 0;
    width: 100vw;
    height: 100vh;
    pointer-events: none;
    z-index: -1;
    overflow: hidden;
}

.sakura-petal {
    position: absolute;
    background: linear-gradient(135deg, #ffc5e3 0%, #ffa3cc 100%);
    border-radius: 150% 0 150% 150%;
    box-shadow: 0 2px 5px rgba(255, 74, 139, 0.12);
    animation: SakuraFall infinite linear;
    transform-origin: left top;
    opacity: 0.85;
}

@keyframes SakuraFall {
    0% {
        transform: translateY(0) rotate(-45deg) translateX(0);
        opacity: 0;
    }
    10% { opacity: 0.85; }
    90% { opacity: 0.85; }
    100% {
        transform: translateY(115vh) rotate(315deg) translateX(120px);
        opacity: 0;
    }
}

.app-container {
    width: 100%;
    max-width: 580px;
    background-color: var(--card-bg);
    border-radius: var(--border-radius);
    border: 1px solid rgba(255, 182, 193, 0.4);
    box-shadow: 0 20px 45px rgba(224, 86, 157, 0.15);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    overflow: hidden;
}

.app-header {
    padding: 35px 24px;
    text-align: center;
    border-bottom: 1.5px solid var(--border-color);
    background-color: rgba(255, 255, 255, 0.4);
}

.logo-container {
    width: 68px;
    height: 68px;
    background-color: rgba(255, 74, 139, 0.15);
    border-radius: 50%;
    display: flex;
    justify-content: center;
    align-items: center;
    margin: 0 auto 16px;
    box-shadow: 0 0 20px rgba(255, 74, 139, 0.3);
    animation: floatCrown 3s ease-in-out infinite;
}

@keyframes floatCrown {
    0%, 100% { transform: translateY(0) scale(1); }
    50% { transform: translateY(-6px) scale(1.05); }
}

.logo-icon { font-size: 34px; }

.app-header h1 {
    font-family: 'Comfortaa', var(--font-family);
    font-size: 23px;
    font-weight: 700;
    margin-bottom: 8px;
    color: #ff4a8b;
}

.app-form { padding: 28px; }

.form-section {
    margin-bottom: 30px;
    padding-bottom: 16px;
    border-bottom: 1px dashed rgba(255, 182, 193, 0.4);
}

.form-section:last-of-type {
    border-bottom: none;
    margin-bottom: 15px;
}

.section-title {
    font-size: 16px;
    font-weight: 700;
    color: var(--primary-color);
    margin-bottom: 20px;
    text-transform: uppercase;
    letter-spacing: 0.8px;
}

.form-group {
    margin-bottom: 20px;
    display: flex;
    flex-direction: column;
}

.form-group label {
    font-size: 13px;
    font-weight: 600;
    margin-bottom: 6px;
}

.required { color: var(--danger-color); }

.form-group input[type="text"],
.form-group select {
    font-family: var(--font-family);
    font-size: 14px;
    padding: 13px 18px;
    border: 1.5px solid var(--border-color);
    border-radius: 14px;
    background-color: #ffffff;
    color: var(--text-color);
    outline: none;
    width: 100%;
}

.form-group input:focus,
.form-group select:focus {
    border-color: var(--primary-color);
    box-shadow: 0 0 0 4px var(--focus-ring);
}

.form-row {
    display: flex;
    gap: 16px;
}

.col-6 { flex: 0 0 calc(50% - 8px); }
.col-4 { flex: 0 0 calc(33.33% - 10.66px); }

.helper-text {
    font-size: 11px;
    color: var(--text-muted);
    margin-top: 4px;
}

.gender-radio-group {
    display: flex;
    gap: 20px;
    height: 44px;
    align-items: center;
}

.gender-label {
    display: flex;
    align-items: center;
    font-size: 14px;
    font-weight: 600;
    cursor: pointer;
}

.gender-label input {
    position: absolute;
    opacity: 0;
}

.radio-custom {
    width: 22px;
    height: 22px;
    border: 1.5px solid var(--border-color);
    border-radius: 50%;
    margin-right: 8px;
    display: inline-block;
    position: relative;
    background-color: #ffffff;
}

.gender-label input:checked ~ .radio-custom {
    border-color: var(--primary-color);
    background-color: var(--primary-color);
}

.gender-label input:checked ~ .radio-custom::after {
    content: '';
    position: absolute;
    width: 100%;
    height: 100%;
    background-color: #ffffff;
    border-radius: 50%;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%) scale(0.4);
}

.submit-btn {
    width: 100%;
    padding: 16px;
    background: linear-gradient(135deg, #ff6fa5 0%, #ff4a8b 100%);
    color: #ffffff;
    border: none;
    border-radius: 16px;
    font-size: 16px;
    font-weight: 700;
    cursor: pointer;
    box-shadow: 0 6px 18px rgba(255, 74, 139, 0.4);
    display: flex;
    justify-content: center;
    align-items: center;
    margin-top: 15px;
}

.app-footer {
    padding: 20px;
    text-align: center;
    border-top: 1.5px solid var(--border-color);
    font-size: 12px;
    font-weight: 600;
    color: var(--text-muted);
}

.header-buttons {
    display: flex;
    justify-content: center;
    gap: 12px;
    margin: 10px auto 20px auto;
    width: 100%;
    max-width: 360px;
}

.demo-btn, .admin-btn {
    flex: 1;
    display: inline-block;
    padding: 12px 16px;
    border-radius: 16px;
    font-size: 14px;
    font-weight: 700;
    cursor: pointer;
    text-align: center;
}

.demo-btn {
    background: rgba(255, 74, 139, 0.04);
    border: 1.5px dashed var(--primary-color);
    color: var(--primary-color);
}

.admin-btn {
    background: linear-gradient(135deg, #c084fc 0%, #ff4a8b 100%);
    color: #ffffff;
    border: none;
    box-shadow: 0 4px 15px rgba(255, 74, 139, 0.3);
}

@media (max-width: 480px) {
    body { padding: 0; }
    .app-container { max-width: 100%; border-radius: 0; }
    .form-row { flex-direction: column; gap: 0; }
    .col-6, .col-4 { width: 100%; }
}