.join-page {
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    background: var(--color-surface, #faf8f5);
}

.join-header {
    background: #555555;
    padding: 0 24px;
    height: 56px;
    display: flex;
    align-items: center;
    position: sticky;
    top: 0;
    z-index: 100;
}
.join-header-inner {
    max-width: 1200px;
    margin: 0 auto;
    width: 100%;
    display: flex;
    align-items: center;
    justify-content: space-between;
}
.join-logo {
    display: flex;
    align-items: center;
    text-decoration: none;
}
.join-logo-mark {
    height: 32px;
    display: flex;
    align-items: center;
}
.join-logo-img {
    height: 32px;
    width: auto;
}
.join-back-btn {
    color: #fff !important;
    border-color: rgba(255,255,255,0.3) !important;
    font-size: 13px;
    gap: 4px;
}
.join-back-btn:hover {
    background: rgba(255,255,255,0.1) !important;
}

.join-main {
    flex: 1;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 48px 24px;
}
.join-container {
    width: 100%;
    max-width: 440px;
}
.join-card {
    background: #fff;
    border-radius: 16px;
    padding: 40px 32px;
    box-shadow: 0 2px 16px rgba(0,0,0,0.06);
    text-align: center;
}
.join-card-icon {
    width: 72px;
    height: 72px;
    margin: 0 auto 20px;
    background: var(--color-surface, #faf8f5);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--primary, #D4845A);
}
.join-title {
    font-size: 24px;
    font-weight: 700;
    margin: 0 0 8px;
    color: var(--text-primary, #1a1a1a);
}
.join-subtitle {
    font-size: 14px;
    color: var(--text-secondary, #666);
    margin: 0 0 28px;
    line-height: 1.5;
}

.join-form {
    text-align: left;
}
.join-form-group {
    margin-bottom: 16px;
}
.join-label {
    display: block;
    font-size: 13px;
    font-weight: 600;
    color: var(--text-primary, #1a1a1a);
    margin-bottom: 6px;
}
.join-input {
    width: 100%;
    padding: 12px 16px;
    border: 1.5px solid var(--border, #e2e0dc);
    border-radius: 10px;
    font-size: 15px;
    background: var(--color-surface, #faf8f5);
    color: var(--text-primary, #1a1a1a);
    transition: border-color 0.2s, box-shadow 0.2s;
    box-sizing: border-box;
}
.join-input:focus {
    outline: none;
    border-color: var(--primary, #D4845A);
    box-shadow: 0 0 0 3px rgba(212,132,90,0.12);
}
.join-code-input {
    text-align: center;
    font-size: 18px;
    font-weight: 700;
    letter-spacing: 2px;
}

.join-error {
    background: var(--error-bg, #fef2f2);
    color: var(--error, #dc2626);
    padding: 10px 14px;
    border-radius: 8px;
    font-size: 13px;
    margin-bottom: 16px;
}

.join-submit {
    width: 100%;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    font-size: 16px;
    padding: 14px 24px;
    border-radius: 10px;
    margin-top: 8px;
}
.join-submit:disabled {
    opacity: 0.6;
    cursor: not-allowed;
}

.join-divider {
    display: flex;
    align-items: center;
    gap: 12px;
    margin: 24px 0;
    color: var(--text-tertiary, #999);
    font-size: 13px;
}
.join-divider::before,
.join-divider::after {
    content: '';
    flex: 1;
    height: 1px;
    background: var(--border, #e2e0dc);
}

.join-browse-link {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    color: var(--primary, #D4845A);
    font-size: 14px;
    font-weight: 500;
    text-decoration: none;
    transition: opacity 0.2s;
}
.join-browse-link:hover {
    opacity: 0.8;
}

.join-footer {
    text-align: center;
    padding: 20px 24px;
    color: var(--text-tertiary, #999);
    font-size: 12px;
}

@media (max-width: 480px) {
    .join-card {
        padding: 28px 20px;
        border-radius: 12px;
    }
    .join-title {
        font-size: 20px;
    }
}