/* ========= Base Reset ========= */
* {
    box-sizing: border-box;
    font-family: -apple-system, BlinkMacSystemFont,
                 "Segoe UI", "PingFang SC",
                 "Microsoft YaHei", Arial, sans-serif;
}

/* ========= Layout ========= */
body {
    margin: 0;
    background: linear-gradient(135deg, #f6f5f1, #ffffff);
}

.page-wrapper {
    min-height: 100vh;
    display: flex;
    justify-content: center;
    align-items: center;
    padding: 12px;
}

.card {
    width: 100%;
    max-width: 100%;
    background: #ffffff;
    padding: 16px;
    border-radius: 8px;
    box-shadow: 0 4px 12px rgba(0,0,0,0.08);
    text-align: center;
}

/* Responsive card sizing */
@media (min-width: 480px) {
    .card {
        max-width: 460px;
        padding: 20px 24px;
    }
}

@media (min-width: 768px) {
    .card {
        max-width: 520px;
        padding: 24px 32px;
    }
    .page-wrapper {
        padding: 20px;
    }
}

.divider {
    border: none;
    height: 1px;
    background-color: #e5e5e5;
    margin: 12px 0;
}

hr {
    border: none;
    border-top: 1px solid #e5e7eb;
    margin: 8px 0 16px;
}

/* ========= Logo ========= */
.logo {
    max-width: 140px;
    margin-bottom: 20px;
}

@media (min-width: 480px) {
    .logo {
        max-width: 160px;
        margin-bottom: 24px;
    }
}

/* ========= Typography ========= */
h1 {
    margin: 0;
    font-size: 20px;
    color: #2f3e46;
}

body h3 {
    margin: 0;
    font-size: 12px;
    color: #2f3e46;
}

.page-title {
    margin-bottom: 12px;
    font-size: 18px;
    color: #2f3e46;
}

@media (min-width: 480px) {
    h1 {
        font-size: 22px;
    }
    .page-title {
        margin-bottom: 16px;
        font-size: 20px;
    }
}

.subtitle {
    display: block;
    margin-top: 6px;
    font-size: 14px;
    color: #6b7280;
}

/* ========= Common Components ========= */
.footer-bar {
    margin-top: 16px;
    font-size: 11px;
    color: #6b7280;
    line-height: 1.6;
}

.footer-links {
    margin-top: 20px;
    font-size: 14px;
    color: #4b5563;
}

.footer-links a {
    color: #b59a5a;
    text-decoration: none;
}

.footer-links a:hover {
    text-decoration: underline;
}

/* ========= Forms ========= */
.form-group {
    text-align: left;
    line-height: 1.6;
    margin-bottom: 18px;
}

@media (min-width: 480px) {
    .form-group {
        margin-bottom: 22px;
    }
}

label {
    display: block;
    font-size: 14px;
    color: #374151;
    margin-bottom: 6px;
    font-weight: 500;
}

input[type="text"],
input[type="email"],
input[type="password"],
textarea {
    width: 100%;
    padding: 10px 12px;
    border: 1px solid #d1d5db;
    border-radius: 8px;
    font-size: 15px;
}

@media (min-width: 480px) {
    input[type="text"],
    input[type="email"],
    input[type="password"],
    textarea {
        padding: 12px 14px;
    }
}

input:focus,
textarea:focus {
    outline: none;
    border-color: #b59a5a;
    box-shadow: 0 0 0 2px rgba(181,154,90,0.15);
}

textarea {
    resize: vertical;
    font-family: inherit;
    line-height: 1.6;
}

/* ========= Errors ========= */
.form-error {
    text-align: left;
    margin-bottom: 16px;
}

.errorlist {
    list-style: none;
    padding: 6px 0 0;
    margin: 0;
}

.errorlist li {
    color: #b42318;
    font-size: 13px;
}

/* ========= Buttons ========= */
.btn-primary {
    width: 100%;
    background: #b59a5a;
    color: #fff;
    border: 1px solid #a4894f;
    padding: 12px;
    border-radius: 8px;
    font-size: 15px;
    font-weight: 500;
    cursor: pointer;
    transition: all 0.2s ease;
}

@media (min-width: 480px) {
    .btn-primary {
        padding: 14px;
        font-size: 16px;
    }
}

.btn-primary span {
    font-size: 14px;
    opacity: 0.9;
}

.btn-primary:hover {
    background: #a4894f;
    border-color: #8f7a46;
}

.btn-primary.btn-inline {
    width: auto;
    padding: 10px 20px;
}

@media (min-width: 480px) {
    .btn-primary.btn-inline {
        padding: 10px 22px;
    }
}

.btn-secondary {
    padding: 9px 16px;
    border: 1px solid #2f3e46;
    color: #2f3e46;
    background: #fff;
    border-radius: 6px;
    text-decoration: none;
    font-size: 14px;
    cursor: pointer;
    transition: all 0.2s ease;
    display: inline-block;
}

@media (min-width: 480px) {
    .btn-secondary {
        padding: 10px 18px;
    }
}

.btn-secondary:hover {
    background: #f1f3f4;
}

.btn-logout {
    background: #fff;
    border: 1px solid #9ca3af;
    color: #374151;
    padding: 6px 10px;
    font-size: 12px;
    border-radius: 6px;
    cursor: pointer;
    transition: all 0.2s ease;
    white-space: nowrap;
}

@media (min-width: 480px) {
    .btn-logout {
        padding: 6px 12px;
    }
}

.btn-logout:hover {
    background: #f9fafb;
}

/* ========= Top Bar ========= */
.top-bar {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 0;
    margin-bottom: 8px;
    gap: 8px;
}

@media (min-width: 480px) {
    .top-bar {
        margin-bottom: 12px;
    }
}

.top-bar .logo {
    height: 40px;
    width: auto;
    display: block;
    margin-bottom: 0;
}

@media (min-width: 480px) {
    .top-bar .logo {
        height: 50px;
    }
}

.top-left {
    display: flex;
    align-items: center;
}

.top-right {
    display: flex;
    align-items: center;
    gap: 6px;
}

@media (min-width: 480px) {
    .top-right {
        gap: 10px;
    }
}

.email {
    font-size: 11px;
    color: #6b7280;
    font-weight: 700;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
    max-width: 120px;
}

@media (min-width: 480px) {
    .email {
        font-size: 12px;
        font-weight: 800;
        max-width: none;
    }
}

.email-link {
    font-size: 11px;
    color: #b59a5a;
    font-weight: 700;
    text-decoration: none;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
    max-width: 120px;
    transition: color 0.2s ease;
}

.email-link:hover {
    color: #a4894f;
    text-decoration: underline;
}

@media (min-width: 480px) {
    .email-link {
        font-size: 12px;
        font-weight: 800;
        max-width: none;
    }
}

.logout-form {
    margin: 0;
}

/* ========= Radio Buttons ========= */
.inline-radio {
    display: flex;
    gap: 24px;
    margin-top: 8px;
    flex-wrap: wrap;
}

@media (min-width: 480px) {
    .inline-radio {
        gap: 32px;
    }
}

.radio-option {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    font-size: 14px;
    cursor: pointer;
}

.radio-option input {
    margin: 0;
}

.cn {
    font-size: 12px;
    color: #6b7280;
    margin-left: 4px;
}

@media (min-width: 480px) {
    .cn {
        font-size: 13px;
    }
}

/* ========= Checkbox ========= */
.checkbox-label {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    font-size: 14px;
    cursor: pointer;
    margin: 0;
}

.checkbox-label input[type="checkbox"] {
    margin: 0;
    cursor: pointer;
}

/* ========= Verification Code ========= */
.verify-row {
    display: flex;
    align-items: center;
    gap: 10px;
    justify-content: center;
    margin-bottom: 20px;
    flex-wrap: wrap;
}

@media (min-width: 480px) {
    .verify-row {
        gap: 14px;
        margin-bottom: 24px;
    }
}

.verify-row input {
    width: 140px;
    padding: 10px 12px;
    border: 1px solid #d1d5db;
    border-radius: 8px;
    font-size: 15px;
    text-align: center;
    letter-spacing: 2px;
}

@media (min-width: 480px) {
    .verify-row input {
        width: 160px;
        padding: 12px 14px;
        letter-spacing: 3px;
    }
}

.btn-resend {
    padding: 8px 12px;
    border-radius: 8px;
    border: 1px solid #b59a5a;
    background: #ffffff;
    color: #b59a5a;
    font-size: 13px;
    cursor: pointer;
    white-space: nowrap;
    transition: all 0.2s ease;
}

.btn-resend:hover {
    background: rgba(181,154,90,0.08);
}

.btn-verify {
    width: 160px;
    padding: 10px 0;
    font-size: 15px;
    border-radius: 8px;
    background: #b59a5a;
    color: #ffffff;
    border: none;
    cursor: pointer;
    transition: all 0.2s ease;
}

@media (min-width: 480px) {
    .btn-verify {
        width: 180px;
        padding: 11px 0;
    }
}

.btn-verify:hover {
    background: #a4894f;
}

/* ========= Image Gallery ========= */
.image-gallery {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(140px, 1fr));
    gap: 12px;
    margin-bottom: 24px;
    width: 100%;
}

@media (min-width: 480px) {
    .image-gallery {
        grid-template-columns: repeat(auto-fill, minmax(160px, 1fr));
        gap: 16px;
    }
}

@media (min-width: 768px) {
    .image-gallery {
        grid-template-columns: repeat(auto-fill, minmax(180px, 1fr));
    }
}

.image-frame {
    border-radius: 8px;
    overflow: hidden;
    border: 1px solid #ddd;
    background: #fafafa;
}

.image-frame img {
    width: 100%;
    display: block;
}

.delete-checkbox {
    display: block;
    margin-top: 6px;
    font-size: 12px;
    color: #666;
    padding: 4px;
}

/* ========= Utility Classes ========= */
.muted {
    color: #888;
    font-style: italic;
}

.section-line {
    margin: 20px 0 16px;
    border: none;
    border-top: 1px solid #eee;
}

@media (min-width: 480px) {
    .section-line {
        margin: 28px 0 18px;
    }
}