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

:root {
    --primary: #4f46e5;
    --primary-dark: #4338ca;
    --primary-light: #eef2ff;
    --secondary: #7c3aed;
    --success: #10b981;
    --warning: #f59e0b;
    --danger: #ef4444;
    --info: #3b82f6;
    --black: #000000;
    --dark-gray: #1f2937;
    --medium-gray: #6b7280;
    --light-gray: #f9fafb;
    --white: #ffffff;
    --border-radius: 20px;
    --transition: all 0.3s ease;
}

body {
    font-family: 'Poppins', sans-serif;
    background: linear-gradient(135deg, #f8fafc 0%, #f1f5f9 100%);
    color: var(--dark-gray);
    line-height: 1.6;
    min-height: 100vh;
    padding: 20px;
}

.form-container {
    max-width: 800px;
    margin: 40px auto;
    background: var(--white);
    border-radius: var(--border-radius);
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.1);
    overflow: hidden;
    animation: slideUp 0.8s ease-out;
}

@keyframes slideUp {
    from {
        opacity: 0;
        transform: translateY(40px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.form-header {
    background: linear-gradient(135deg, var(--primary), var(--secondary));
    color: var(--white);
    padding: 40px;
    text-align: center;
    position: relative;
    overflow: hidden;
}

.form-header::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 5px;
    background: linear-gradient(90deg, #00f3ff, #9d4edd, #ff00aa);
    animation: shimmer 3s infinite linear;
}

@keyframes shimmer {
    0% { background-position: -200% center; }
    100% { background-position: 200% center; }
}

.form-header h1 {
    font-size: 36px;
    font-weight: 800;
    margin-bottom: 10px;
    animation: fadeIn 1s ease-out;
}

@keyframes fadeIn {
    from { opacity: 0; }
    to { opacity: 1; }
}

.form-header p {
    font-size: 16px;
    opacity: 0.9;
    animation: fadeIn 1s ease-out 0.3s both;
}

.form-icon {
    width: 80px;
    height: 80px;
    background: rgba(255, 255, 255, 0.2);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 20px;
    font-size: 32px;
    animation: pulse 2s infinite;
}

@keyframes pulse {
    0%, 100% {
        transform: scale(1);
        box-shadow: 0 0 0 0 rgba(255, 255, 255, 0.4);
    }
    50% {
        transform: scale(1.05);
        box-shadow: 0 0 0 15px rgba(255, 255, 255, 0);
    }
}

.form-content {
    padding: 40px;
}

.form-group {
    margin-bottom: 30px;
    animation: slideIn 0.6s ease-out;
    animation-fill-mode: both;
}

@keyframes slideIn {
    from {
        opacity: 0;
        transform: translateX(-20px);
    }
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

.form-group:nth-child(1) { animation-delay: 0.1s; }
.form-group:nth-child(2) { animation-delay: 0.2s; }
.form-group:nth-child(3) { animation-delay: 0.3s; }
.form-group:nth-child(4) { animation-delay: 0.4s; }
.form-group:nth-child(5) { animation-delay: 0.5s; }

label {
    display: block;
    color: var(--dark-gray);
    font-weight: 600;
    margin-bottom: 12px;
    font-size: 16px;
    display: flex;
    align-items: center;
    gap: 10px;
}

label i {
    color: var(--primary);
    width: 20px;
}

.form-input {
    width: 100%;
    padding: 18px 20px;
    border: 2px solid #e5e7eb;
    border-radius: 12px;
    font-size: 16px;
    font-family: 'Poppins', sans-serif;
    transition: var(--transition);
    background: var(--white);
    color: var(--dark-gray);
}

.form-input:focus {
    outline: none;
    border-color: var(--primary);
    box-shadow: 0 0 0 3px rgba(79, 70, 229, 0.1);
    transform: translateY(-2px);
}

.form-input:hover {
    border-color: var(--primary-light);
}

.form-row {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 20px;
}

select.form-input {
    appearance: none;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='16' height='16' fill='%234f46e5' viewBox='0 0 16 16'%3E%3Cpath d='M7.247 11.14 2.451 5.658C1.885 5.013 2.345 4 3.204 4h9.592a1 1 0 0 1 .753 1.659l-4.796 5.48a1 1 0 0 1-1.506 0z'/%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right 20px center;
    background-size: 16px;
    padding-right: 50px;
}

.form-check {
    display: flex;
    align-items: center;
    gap: 12px;
    margin-top: 30px;
    padding: 20px;
    background: var(--light-gray);
    border-radius: 12px;
    animation: slideIn 0.6s ease-out 0.6s both;
}

.form-check-input {
    width: 22px;
    height: 22px;
    border: 2px solid var(--primary);
    border-radius: 6px;
    cursor: pointer;
    position: relative;
    transition: var(--transition);
}

.form-check-input:checked {
    background: var(--primary);
}

.form-check-input:checked::after {
    content: '✓';
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    color: white;
    font-size: 14px;
    font-weight: bold;
}

.form-check-label {
    color: var(--medium-gray);
    font-weight: 500;
    margin: 0;
}

.form-check-label a {
    color: var(--primary);
    text-decoration: none;
    font-weight: 600;
    transition: var(--transition);
}

.form-check-label a:hover {
    color: var(--primary-dark);
    text-decoration: underline;
}

.form-actions {
    display: flex;
    gap: 15px;
    margin-top: 40px;
    animation: fadeIn 0.6s ease-out 0.7s both;
}

.btn {
    padding: 18px 32px;
    border-radius: var(--border-radius);
    font-weight: 700;
    font-size: 16px;
    cursor: pointer;
    transition: var(--transition);
    text-decoration: none;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 12px;
    border: none;
    font-family: 'Poppins', sans-serif;
    position: relative;
    overflow: hidden;
}

.btn::after {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    width: 0;
    height: 0;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.2);
    transform: translate(-50%, -50%);
    transition: width 0.6s, height 0.6s;
}

.btn:hover::after {
    width: 300px;
    height: 300px;
}

.btn-primary {
    flex: 1;
    background: linear-gradient(135deg, var(--primary), var(--secondary));
    color: var(--white);
    box-shadow: 0 8px 25px rgba(79, 70, 229, 0.3);
    animation: pulseBtn 2s infinite;
}

@keyframes pulseBtn {
    0%, 100% {
        box-shadow: 0 8px 25px rgba(79, 70, 229, 0.3);
    }
    50% {
        box-shadow: 0 8px 35px rgba(79, 70, 229, 0.5);
    }
}

.btn-primary:hover {
    transform: translateY(-3px);
    box-shadow: 0 12px 35px rgba(79, 70, 229, 0.4);
}

.btn-secondary {
    background: var(--light-gray);
    color: var(--dark-gray);
    border: 2px solid #e5e7eb;
}

.btn-secondary:hover {
    background: #e5e7eb;
    transform: translateY(-3px);
}

.btn-icon {
    font-size: 18px;
}

/* Loading Animation */
.loading-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(255, 255, 255, 0.95);
    display: none;
    justify-content: center;
    align-items: center;
    z-index: 1000;
    flex-direction: column;
}

.loading-spinner {
    width: 60px;
    height: 60px;
    border: 4px solid transparent;
    border-top: 4px solid var(--primary);
    border-right: 4px solid var(--secondary);
    border-bottom: 4px solid var(--primary);
    border-left: 4px solid var(--secondary);
    border-radius: 50%;
    animation: spin 1.5s linear infinite;
    margin-bottom: 20px;
}

@keyframes spin {
    0% {
        transform: rotate(0deg);
        border-top-color: var(--primary);
        border-right-color: var(--secondary);
    }
    50% {
        border-top-color: var(--secondary);
        border-right-color: var(--primary);
    }
    100% {
        transform: rotate(360deg);
        border-top-color: var(--primary);
        border-right-color: var(--secondary);
    }
}

.loading-text {
    color: var(--dark-gray);
    font-size: 18px;
    font-weight: 600;
    animation: textPulse 2s infinite;
}

@keyframes textPulse {
    0%, 100% { opacity: 1; }
    50% { opacity: 0.6; }
}

/* Success Message */
.success-message {
    display: none;
    background: linear-gradient(135deg, var(--success), #34d399);
    color: white;
    padding: 25px;
    border-radius: 16px;
    margin-top: 30px;
    animation: slideIn 0.6s ease-out;
}

.success-content {
    display: flex;
    align-items: center;
    gap: 20px;
}

.success-icon {
    width: 60px;
    height: 60px;
    background: rgba(255, 255, 255, 0.2);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 24px;
    animation: successSpin 1s ease-out;
}

@keyframes successSpin {
    from {
        transform: rotate(-180deg) scale(0.5);
        opacity: 0;
    }
    to {
        transform: rotate(0) scale(1);
        opacity: 1;
    }
}

.success-text h3 {
    font-size: 22px;
    margin-bottom: 5px;
}

.success-text p {
    opacity: 0.9;
    font-size: 15px;
}

/* Back Button */
.back-button {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    color: var(--primary);
    text-decoration: none;
    font-weight: 600;
    margin-bottom: 20px;
    padding: 12px 24px;
    background: var(--white);
    border-radius: 12px;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.05);
    transition: var(--transition);
    animation: fadeIn 0.6s ease-out;
}

.back-button:hover {
    gap: 15px;
    transform: translateX(-5px);
    box-shadow: 0 6px 18px rgba(0, 0, 0, 0.1);
}

/* Responsive Design */
@media (max-width: 768px) {
    .form-container {
        margin: 20px;
    }
    
    .form-header {
        padding: 30px 20px;
    }
    
    .form-header h1 {
        font-size: 28px;
    }
    
    .form-content {
        padding: 30px 20px;
    }
    
    .form-row {
        grid-template-columns: 1fr;
        gap: 15px;
    }
    
    .form-actions {
        flex-direction: column;
    }
    
    .btn {
        width: 100%;
    }
}

@media (max-width: 480px) {
    body {
        padding: 10px;
    }
    
    .form-header h1 {
        font-size: 24px;
    }
    
    .form-input {
        padding: 16px;
    }
    
    .form-check {
        padding: 15px;
    }
}

/* Input Focus Animation */
.form-input:focus + .focus-border {
    width: 100%;
}

.input-container {
    position: relative;
}

.focus-border {
    position: absolute;
    bottom: 0;
    left: 0;
    width: 0;
    height: 3px;
    background: linear-gradient(135deg, var(--primary), var(--secondary));
    transition: width 0.4s ease;
    border-radius: 3px;
}

/* Floating Label Animation */
.floating-label {
    position: relative;
}

.floating-label label {
    position: absolute;
    top: 18px;
    left: 20px;
    pointer-events: none;
    transition: all 0.3s ease;
    color: var(--medium-gray);
}

.floating-label .form-input:focus + label,
.floating-label .form-input:not(:placeholder-shown) + label {
    top: -25px;
    left: 0;
    font-size: 14px;
    color: var(--primary);
}

/* Info Tooltip */
.info-tooltip {
    position: relative;
    display: inline-block;
    margin-left: 8px;
}

.info-tooltip i {
    color: var(--info);
    cursor: help;
}

.tooltip-text {
    visibility: hidden;
    width: 200px;
    background: var(--dark-gray);
    color: white;
    text-align: center;
    padding: 10px;
    border-radius: 6px;
    position: absolute;
    z-index: 1;
    bottom: 125%;
    left: 50%;
    transform: translateX(-50%);
    opacity: 0;
    transition: opacity 0.3s;
    font-size: 14px;
    font-weight: normal;
}

.tooltip-text::after {
    content: "";
    position: absolute;
    top: 100%;
    left: 50%;
    margin-left: -5px;
    border-width: 5px;
    border-style: solid;
    border-color: var(--dark-gray) transparent transparent transparent;
}

.info-tooltip:hover .tooltip-text {
    visibility: visible;
    opacity: 1;
}