/* =========================================
   CONTACT 页面专用样式 - 二次元机能风
   ========================================= */

.contact-section {
    min-height: 100vh;
    padding: 5rem 2rem 4rem;
    max-width: 1100px;
    margin: 0 auto;
    position: relative;
    z-index: 10;
}

.contact-container {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 2rem;
    margin-bottom: 2rem;
}

/* =========================================
   左侧：联系方式面板
   ========================================= */
.contact-info-panel,
.contact-form-panel {
    background: var(--bg-card);
    border: var(--border-dark);
    padding: 1.75rem;
    position: relative;
    clip-path: polygon(
        0 0,
        100% 0,
        100% calc(100% - var(--clip-angle)),
        calc(100% - var(--clip-angle)) 100%,
        0 100%
    );
}

.panel-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 1.25rem;
    padding-bottom: 0.75rem;
    border-bottom: 2px solid var(--bg-primary);
}

.panel-header h2 {
    font-family: var(--font-mono);
    font-size: 1rem;
    font-weight: 900;
    color: var(--text-primary);
}

/* 加密徽章 */
.encryption-badge {
    display: flex;
    align-items: center;
    gap: 4px;
    font-family: var(--font-mono);
    font-size: 0.65rem;
    font-weight: 700;
    padding: 3px 8px;
    background: var(--primary-accent);
    color: var(--text-primary);
}

.badge-icon {
    font-size: 0.8rem;
}

.panel-desc {
    font-size: 0.8rem;
    color: var(--text-muted);
    margin-bottom: 1.5rem;
    line-height: 1.6;
}

/* 联系渠道 */
.contact-channels {
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
    margin-bottom: 1.5rem;
}

.channel-item {
    display: flex;
    align-items: center;
    gap: 0.85rem;
    padding: 0.75rem;
    background: var(--bg-primary);
    border: 2px solid transparent;
    transition: border-color var(--transition-fast), transform var(--transition-fast);
}

.channel-item:hover {
    border-color: var(--text-primary);
    transform: translate(-2px, -2px);
}

.channel-icon {
    font-size: 1.3rem;
    width: 36px;
    text-align: center;
}

.channel-info {
    flex: 1;
    display: flex;
    flex-direction: column;
}

.channel-label {
    font-family: var(--font-mono);
    font-size: 0.65rem;
    font-weight: 700;
    color: var(--text-muted);
    letter-spacing: 1px;
}

.channel-value {
    font-family: var(--font-mono);
    font-size: 0.8rem;
    font-weight: 700;
    color: var(--text-primary);
}

.channel-btn {
    font-family: var(--font-mono);
    font-size: 0.7rem;
    font-weight: 700;
    padding: 0.4rem 0.75rem;
    background: var(--bg-dark);
    border: none;
    color: var(--text-inverse);
    cursor: pointer;
    transition: background var(--transition-fast);
}

.channel-btn:hover {
    background: var(--secondary-accent);
    color: var(--text-primary);
}

/* PGP 密钥 */
.pgp-section h3 {
    font-family: var(--font-mono);
    font-size: 0.8rem;
    font-weight: 900;
    color: var(--secondary-accent);
    margin-bottom: 0.5rem;
}

.pgp-key {
    background: var(--bg-dark);
    padding: 0.6rem;
    margin-bottom: 0.6rem;
    overflow-x: auto;
}

.pgp-key code {
    font-family: var(--font-mono);
    font-size: 0.65rem;
    color: var(--text-muted);
    word-break: break-all;
    letter-spacing: 0.5px;
}

.btn-copy {
    font-family: var(--font-mono);
    font-size: 0.7rem;
    font-weight: 700;
    padding: 0.4rem 0.75rem;
    background: transparent;
    border: var(--border-dark);
    color: var(--text-primary);
    cursor: pointer;
    transition: background var(--transition-fast), color var(--transition-fast);
}

.btn-copy:hover {
    background: var(--text-primary);
    color: var(--text-inverse);
}

/* =========================================
   右侧：消息表单
   ========================================= */
.encrypted-form {
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.form-group {
    display: flex;
    flex-direction: column;
    gap: 0.3rem;
}

.form-group label {
    font-family: var(--font-mono);
    font-size: 0.75rem;
    font-weight: 700;
    color: var(--secondary-accent);
    letter-spacing: 1px;
}

.form-group input,
.form-group textarea {
    font-family: var(--font-mono);
    font-size: 0.85rem;
    padding: 0.65rem 0.85rem;
    background: var(--bg-primary);
    border: var(--border-dark);
    color: var(--text-primary);
    transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
}

.form-group input:focus-visible,
.form-group textarea:focus-visible {
    outline: 2px solid transparent;
    border-color: var(--secondary-accent);
    box-shadow: 3px 3px 0 var(--secondary-accent);
}

.form-group input::placeholder,
.form-group textarea::placeholder {
    color: var(--text-muted);
    opacity: 0.6;
}

.form-group textarea {
    resize: vertical;
    min-height: 100px;
}

.form-actions {
    margin-top: 0.5rem;
}

.form-status {
    min-height: 1.5rem;
    margin-top: 0.75rem;
    color: var(--tech-blue);
    font-family: var(--font-mono);
    font-size: 0.8rem;
}

.form-status.is-error {
    color: var(--danger-red);
}

.channel-btn:disabled,
.btn-copy:disabled,
.btn-submit:disabled {
    cursor: not-allowed;
    opacity: 0.55;
}

.clipboard-fallback {
    position: fixed;
    left: -9999px;
    top: 0;
}

.btn-submit {
    width: 100%;
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 0.5rem;
    font-family: var(--font-mono);
    font-size: 0.9rem;
    font-weight: 900;
    padding: 0.9rem 1.5rem;
    background: var(--secondary-accent);
    border: none;
    color: var(--text-inverse);
    cursor: pointer;
    clip-path: polygon(
        0 0,
        calc(100% - var(--clip-angle)) 0,
        100% var(--clip-angle),
        100% 100%,
        var(--clip-angle) 100%,
        0 calc(100% - var(--clip-angle))
    );
    box-shadow: 5px 5px 0 var(--text-primary);
    transition: transform var(--transition-fast), box-shadow var(--transition-fast), background var(--transition-fast);
}

.btn-submit:hover {
    background: var(--primary-accent);
    color: var(--text-primary);
    transform: translate(2px, 2px);
    box-shadow: 3px 3px 0 var(--text-primary);
}

.btn-submit:active {
    transform: translate(4px, 4px);
    box-shadow: 1px 1px 0 var(--text-primary);
}

.btn-icon {
    font-size: 1rem;
}

/* 隐私提示 */
.privacy-notice {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    margin-top: 1.25rem;
    padding: 0.6rem;
    background: var(--bg-primary);
    border-left: 3px solid var(--tech-blue);
}

.notice-icon {
    font-size: 0.9rem;
}

.notice-text {
    font-family: var(--font-mono);
    font-size: 0.65rem;
    color: var(--text-muted);
}

/* =========================================
   安全声明
   ========================================= */
.security-statement {
    text-align: center;
    padding: 1.5rem 0;
}

.statement-line {
    width: 100%;
    height: 3px;
    background: linear-gradient(90deg, transparent, var(--secondary-accent), transparent);
    margin-bottom: 1rem;
}

.security-statement p {
    font-family: var(--font-mono);
    font-size: 0.7rem;
    color: var(--text-muted);
    letter-spacing: 1px;
}

.statement-icon {
    margin-right: 0.5rem;
}

.status-active {
    color: var(--primary-accent);
    font-weight: 700;
}

.statement-divider {
    margin: 0 0.75rem;
    color: var(--text-muted);
    opacity: 0.4;
}

/* =========================================
   响应式
   ========================================= */
@media (max-width: 1024px) {
    .contact-container {
        grid-template-columns: 1fr;
    }
    
    .contact-info-panel,
    .contact-form-panel {
        max-width: 550px;
        margin: 0 auto;
    }
}

@media (max-width: 768px) {
    .contact-section {
        padding-top: 10rem;
    }

    .panel-header {
        flex-direction: column;
        gap: 0.75rem;
        align-items: flex-start;
    }
    
    .channel-item {
        flex-wrap: wrap;
    }
    
    .channel-btn {
        width: 100%;
        margin-top: 0.5rem;
        text-align: center;
    }
}