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

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, sans-serif;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 20px;
}

.container {
    width: 100%;
    max-width: 480px;
}

.form-wrapper {
    background: white;
    border-radius: 16px;
    padding: 40px;
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.3);
}

h1 {
    color: #1a1a2e;
    font-size: 24px;
    font-weight: 700;
    text-align: center;
    margin-bottom: 8px;
}

.subtitle {
    color: #666;
    font-size: 14px;
    text-align: center;
    margin-bottom: 32px;
}

.form {
    display: flex;
    flex-direction: column;
    gap: 20px;
}

.form-group {
    display: flex;
    flex-direction: column;
    gap: 6px;
}

.form-group label {
    font-size: 14px;
    font-weight: 600;
    color: #333;
}

.form-group input,
.form-group select {
    padding: 14px 16px;
    border: 2px solid #e0e0e0;
    border-radius: 10px;
    font-size: 15px;
    transition: all 0.3s ease;
    outline: none;
}

.form-group input:focus,
.form-group select:focus {
    border-color: #667eea;
    box-shadow: 0 0 0 3px rgba(102, 126, 234, 0.2);
}

.form-group input::placeholder {
    color: #aaa;
}

.form-group small {
    font-size: 12px;
    color: #888;
    margin-top: 4px;
}

.btn-submit {
    position: relative;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
    border: none;
    padding: 16px 24px;
    border-radius: 10px;
    font-size: 16px;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s ease;
    margin-top: 8px;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
}

.btn-submit:hover:not(:disabled) {
    transform: translateY(-2px);
    box-shadow: 0 8px 20px rgba(102, 126, 234, 0.4);
}

.btn-submit:active:not(:disabled) {
    transform: translateY(0);
}

.btn-submit:disabled {
    opacity: 0.7;
    cursor: not-allowed;
}

.btn-submit .spinner {
    display: none;
}

.btn-submit.loading .spinner {
    display: block;
}

.btn-submit.loading span {
    display: none;
}

@keyframes spin {
    from { transform: rotate(0deg); }
    to { transform: rotate(360deg); }
}

.spinner .path {
    stroke: #667eea;
    stroke-linecap: round;
    animation: spin 1.5s linear infinite;
    transform-origin: center;
    stroke-dasharray: 0, 100;
    stroke-dashoffset: 0;
}

.error-message {
    background: #fee;
    color: #c00;
    padding: 12px 16px;
    border-radius: 8px;
    font-size: 14px;
    border-left: 4px solid #c00;
}

.success-message {
    background: #efe;
    color: #060;
    padding: 12px 16px;
    border-radius: 8px;
    font-size: 14px;
    border-left: 4px solid #060;
}

@media (max-width: 480px) {
    .form-wrapper {
        padding: 30px 24px;
    }

    h1 {
        font-size: 20px;
    }

    .subtitle {
        font-size: 13px;
    }
}