* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
}

:root {
    --primary-color: #3498db;
    --secondary-color: #2c3e50;
    --bg-color: #F5F5F5;
    --card-color: #FFFFFF;
    --text-primary: #333333;
    --text-secondary: #666666;
    --text-light: #999999;
    --border-color: #000000;
    --divider-color: #E5E5E5;
    --error-color: #FA5151;
    --success-color: #07C160;
    --warning-color: #FF9F0A;
    
    font-size: clamp(0.875rem, 2vw, 1rem);
}

body {
    background-color: var(--bg-color);
    color: var(--text-primary);
    line-height: 1.5;
}

.header {
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    color: white;
    padding: clamp(0.75rem, 2vw, 0.9375rem);
    display: flex;
    align-items: center;
    position: sticky;
    top: 0;
    z-index: 10;
}

.back-btn {
    color: white;
    font-size: clamp(1rem, 3vw, 1.125rem);
    background: none;
    border: none;
    cursor: pointer;
    display: flex;
    align-items: center;
    gap: clamp(0.25rem, 0.75vw, 0.3125rem);
    padding: clamp(0.25rem, 0.75vw, 0.3125rem);
    border-radius: 0.25rem;
    transition: background-color 0.2s;
}

.back-btn:hover {
    background-color: rgba(255, 255, 255, 0.1);
}

.header-title {
    font-size: clamp(1.5rem, 3vw, 2rem);
    font-weight: 500;
    text-align: center;
    flex: 1;
    padding-right: clamp(2.5rem, 6vw, 3rem);
}

.container {
    padding: clamp(1rem, 3vw, 1.25rem);
    max-width: 37.5rem;
    margin: 0 auto;
}

.status-card {
    background: var(--card-color);
    border-radius: 0.75rem;
    padding: clamp(1.25rem, 4vw, 1.5rem);
    margin-bottom: clamp(1rem, 3vw, 1.25rem);
    box-shadow: 0 0.125rem 0.75rem rgba(0, 0, 0, 0.05);
    text-align: center;
}

.status-icon {
    width: clamp(4rem, 10vw, 5rem);
    height: clamp(4rem, 10vw, 5rem);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto clamp(1rem, 3vw, 1.25rem);
    font-size: clamp(2rem, 6vw, 2.5rem);
}

.status-icon.unverified {
    background: #FFF5E6;
    color: var(--warning-color);
}

.status-icon.verified {
    background: #E6F7EF;
    color: var(--success-color);
}

.status-icon.verifying {
    background: #E6F3FF;
    color: var(--primary-color);
}

.status-title {
    font-size: clamp(1.1rem, 3.5vw, 1.25rem);
    font-weight: 600;
    margin-bottom: clamp(0.5rem, 1.5vw, 0.625rem);
}

.status-desc {
    font-size: clamp(0.8rem, 2.2vw, 0.875rem);
    color: var(--text-secondary);
    margin-bottom: clamp(1rem, 3vw, 1.25rem);
}

.status-info {
    background: #F8F9FA;
    border-radius: 0.5rem;
    padding: clamp(0.75rem, 2vw, 0.9375rem);
    margin-top: clamp(0.75rem, 2vw, 0.9375rem);
    text-align: left;
}

.status-item {
    display: flex;
    justify-content: space-between;
    margin-bottom: clamp(0.5rem, 1.5vw, 0.625rem);
    font-size: clamp(0.8rem, 2.2vw, 0.875rem);
}

.status-item:last-child {
    margin-bottom: 0;
}

.status-label {
    color: var(--text-secondary);
}

.status-value {
    color: var(--text-primary);
    font-weight: 500;
}

.status-badge {
    display: inline-block;
    padding: clamp(0.25rem, 0.75vw, 0.3125rem) clamp(0.5rem, 1.5vw, 0.625rem);
    border-radius: 1rem;
    font-size: clamp(0.7rem, 2vw, 0.75rem);
    font-weight: 500;
}

.status-badge.unverified {
    background: #FFF5E6;
    color: var(--warning-color);
}

.status-badge.verified {
    background: #E6F7EF;
    color: var(--success-color);
}

.status-badge.verifying {
    background: #E6F3FF;
    color: var(--primary-color);
}

.auth-form {
    background: var(--card-color);
    border-radius: 0.75rem;
    padding: clamp(1.25rem, 4vw, 1.5rem);
    margin-bottom: clamp(1rem, 3vw, 1.25rem);
    box-shadow: 0 0.125rem 0.75rem rgba(0, 0, 0, 0.05);
}

.form-title {
    font-size: clamp(1rem, 3vw, 1.125rem);
    font-weight: 600;
    margin-bottom: clamp(1rem, 3vw, 1.25rem);
    padding-bottom: clamp(0.75rem, 2vw, 0.9375rem);
    border-bottom: 0.0625rem solid var(--divider-color);
}

.form-group {
    margin-bottom: clamp(1rem, 3vw, 1.25rem);
}

.form-label {
    display: block;
    font-size: clamp(0.9rem, 2.5vw, 1rem);
    font-weight: 500;
    margin-bottom: clamp(0.5rem, 1.5vw, 0.625rem);
    color: var(--text-primary);
}

.required::after {
    content: " *";
    color: var(--error-color);
}

.form-input {
    width: 100%;
    padding: clamp(0.75rem, 2vw, 0.9375rem);
    border: 0.0625rem solid var(--border-color);
    border-radius: 0.5rem;
    font-size: clamp(0.9rem, 2.5vw, 1rem);
    transition: all 0.2s;
    background: white;
}

.form-input:focus {
    outline: none;
    border-color: var(--primary-color);
    box-shadow: 0 0 0 0.1875rem rgba(7, 193, 96, 0.1);
}

.form-input.error {
    border-color: var(--error-color);
}

.form-hint {
    font-size: clamp(0.7rem, 2vw, 0.75rem);
    color: var(--text-light);
    margin-top: clamp(0.25rem, 0.75vw, 0.3125rem);
}

.form-hint.error {
    color: var(--error-color);
}

.upload-section {
    margin-bottom: clamp(1rem, 3vw, 1.25rem);
}

.upload-label {
    font-size: clamp(0.9rem, 2.5vw, 1rem);
    font-weight: 500;
    margin-bottom: clamp(0.75rem, 2vw, 0.9375rem);
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.upload-example {
    color: var(--primary-color);
    font-size: clamp(0.8rem, 2.2vw, 0.875rem);
    text-decoration: none;
    display: flex;
    align-items: center;
    gap: 0.25rem;
}

.upload-container {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: clamp(0.75rem, 2vw, 0.9375rem);
}

.upload-item {
    text-align: center;
}

.upload-box {
    width: 100%;
    height: clamp(8rem, 20vw, 10rem);
    border: 0.125rem dashed var(--border-color);
    border-radius: 0.5rem;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    transition: all 0.2s;
    margin-bottom: clamp(0.5rem, 1.5vw, 0.625rem);
    position: relative;
    overflow: hidden;
}

.upload-box:hover {
    border-color: var(--primary-color);
    background: #F8F9FA;
}

.upload-box.has-image {
    border-style: solid;
    border-color: var(--primary-color);
}

.upload-icon {
    font-size: clamp(2rem, 6vw, 2.5rem);
    color: var(--text-light);
    margin-bottom: clamp(0.5rem, 1.5vw, 0.625rem);
}

.upload-text {
    font-size: clamp(0.8rem, 2.2vw, 0.875rem);
    color: var(--text-secondary);
}

.upload-image {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.upload-remove {
    position: absolute;
    top: 0.5rem;
    right: 0.5rem;
    background: rgba(0, 0, 0, 0.6);
    color: white;
    border: none;
    width: 1.5rem;
    height: 1.5rem;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    font-size: 0.8rem;
}

.upload-desc {
    font-size: clamp(0.7rem, 2vw, 0.75rem);
    color: var(--text-light);
}

.agreement-section {
    margin-bottom: clamp(1rem, 3vw, 1.25rem);
}

.agreement-checkbox {
    display: flex;
    align-items: flex-start;
    gap: clamp(0.5rem, 1.5vw, 0.625rem);
}

.agreement-checkbox input[type="checkbox"] {
    width: clamp(1.1rem, 2.5vw, 1.2rem);
    height: clamp(1.1rem, 2.5vw, 1.2rem);
    margin-top: 0.2rem;
    accent-color: var(--primary-color);
}

.agreement-text {
    font-size: clamp(0.8rem, 2.2vw, 0.875rem);
    color: var(--text-secondary);
    line-height: 1.4;
}

.agreement-link {
    color: var(--primary-color);
    text-decoration: none;
}

.submit-section {
    margin-top: clamp(1.5rem, 4vw, 2rem);
}

.submit-btn {
    width: 100%;
    background: var(--primary-color);
    color: white;
    border: none;
    padding: clamp(0.875rem, 2.5vw, 1rem);
    border-radius: 0.5rem;
    font-size: clamp(0.9rem, 2.5vw, 1rem);
    font-weight: 500;
    cursor: pointer;
    transition: all 0.2s;
}

.submit-btn:hover:not(:disabled) {
    background: var(--secondary-color);
    transform: translateY(-0.125rem);
}

.submit-btn:disabled {
    background: var(--text-light);
    cursor: not-allowed;
}

@media (max-width: 30rem) {
    .container {
        padding: clamp(0.75rem, 2vw, 0.9375rem);
    }
    
    .upload-container {
        grid-template-columns: 1fr;
    }
    
    .auth-form,
    .status-card {
        padding: clamp(1rem, 2.5vw, 1.25rem);
    }
}