/* ============================================
   赛博朋克驿站 V3 - 管理后台增强样式
   Applied: Retro-Futurism / Neon Cyberpunk
   ============================================ */

:root {
    --neon-cyan: #00FFFF;
    --neon-pink: #FF006E;
    --neon-blue: #0080FF;
    --neon-green: #39FF14;
    --bg-deep: #0A0A0F;
    --bg-card: #12121A;
    --text-primary: #FFFFFF;
    --text-secondary: #A0A0B0;
    --glow-cyan: 0 0 5px #00FFFF, 0 0 10px rgba(0,255,255,0.5), 0 0 20px rgba(0,255,255,0.2);
    --glow-cyan-sm: 0 0 3px rgba(0,255,255,0.6), 0 0 6px rgba(0,255,255,0.3);
    --glow-pink: 0 0 5px #FF006E, 0 0 10px rgba(255,0,110,0.5), 0 0 20px rgba(255,0,110,0.2);
    --transition-fast: 150ms ease-out;
    --transition-normal: 200ms ease-out;
    --transition-slow: 300ms ease-out;
}

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

body {
    font-family: 'Share Tech Mono', 'Microsoft YaHei', monospace;
    background: var(--bg-deep);
    color: var(--text-primary);
    min-height: 100vh;
    overflow-x: hidden;
    position: relative;
}

/* --- 背景层 --- */
body::before {
    content: '';
    position: fixed;
    top: 0; left: 0;
    width: 100%; height: 100%;
    background: repeating-linear-gradient(
        0deg,
        rgba(0,0,0,0.02) 1px,
        transparent 1px,
        transparent 6px
    );
    pointer-events: none;
    z-index: 1000;
}

.glow-bg {
    position: fixed;
    top: 0; left: 0;
    width: 100%; height: 100%;
    background:
        radial-gradient(ellipse at 15% 25%, rgba(0,255,255,0.08) 0%, transparent 45%),
        radial-gradient(ellipse at 85% 75%, rgba(255,0,110,0.07) 0%, transparent 45%),
        radial-gradient(ellipse at 50% 50%, rgba(93,52,208,0.05) 0%, transparent 55%);
    pointer-events: none;
    z-index: -1;
    animation: glowPulse 4s ease-in-out infinite alternate;
}

@keyframes glowPulse {
    0% { opacity: 0.7; transform: scale(1); }
    100% { opacity: 1; transform: scale(1.03); }
}

/* --- 容器 --- */
.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 20px;
    position: relative;
    z-index: 1;
}

/* --- 导航头 --- */
.header {
    background: rgba(18,18,26,0.95);
    border: 1px solid rgba(0,255,255,0.25);
    border-radius: 0;
    padding: 20px 30px;
    margin-bottom: 20px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    position: relative;
    overflow: hidden;
    backdrop-filter: blur(10px);
    box-shadow: 0 0 20px rgba(0,255,255,0.08), inset 0 0 30px rgba(0,255,255,0.03);
}

.header::before {
    content: '';
    position: absolute;
    top: 0; left: 0; right: 0;
    height: 2px;
    background: linear-gradient(90deg, transparent, var(--neon-cyan), var(--neon-pink), transparent);
    box-shadow: 0 0 10px var(--neon-cyan);
}

.header::after {
    content: '';
    position: absolute;
    bottom: 0; left: 0;
    width: 100%; height: 1px;
    background: linear-gradient(90deg, transparent, rgba(0,255,255,0.3), transparent);
}

.header h1 {
    font-family: 'Orbitron', sans-serif;
    font-size: 20px;
    font-weight: 700;
    color: var(--neon-cyan);
    text-shadow: var(--glow-cyan);
    letter-spacing: 2px;
    display: flex;
    align-items: center;
    gap: 8px;
}

.header h1::before {
    content: '>';
    animation: blink 1s step-end infinite;
}

@keyframes blink {
    0%, 100% { opacity: 1; }
    50% { opacity: 0; }
}

.header h1 a {
    color: var(--neon-cyan);
    text-shadow: var(--glow-cyan-sm);
    text-decoration: none;
    font-size: 13px;
    letter-spacing: 1px;
    margin-left: 15px;
    opacity: 0.7;
    transition: all var(--transition-fast);
}

.header h1 a:hover {
    opacity: 1;
    text-shadow: var(--glow-cyan);
}

/* --- 按钮 --- */
.btn {
    font-family: 'Rajdhani', sans-serif;
    font-size: 1em;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 2px;
    padding: 10px 22px;
    background: transparent;
    border: 2px solid var(--neon-cyan);
    color: var(--neon-cyan);
    cursor: pointer;
    position: relative;
    overflow: hidden;
    transition: all var(--transition-normal);
    display: inline-block;
    min-height: 44px;
    min-width: 44px;
    touch-action: manipulation;
    -webkit-tap-highlight-color: transparent;
    animation: btnPulse 2s ease-in-out infinite;
    text-shadow: var(--glow-cyan-sm);
}

.btn::before {
    content: '';
    position: absolute;
    top: 0; left: -100%;
    width: 100%; height: 100%;
    background: var(--neon-cyan);
    transition: left var(--transition-normal);
    z-index: -1;
}

.btn:hover {
    color: var(--bg-deep);
    box-shadow: var(--glow-cyan);
    transform: translateY(-2px);
    animation: none;
    text-shadow: none;
}

.btn:hover::before { left: 0; }

@keyframes btnPulse {
    0%, 100% { box-shadow: 0 0 5px rgba(0,255,255,0.3), 0 0 8px rgba(0,255,255,0.15); }
    50% { box-shadow: 0 0 10px rgba(0,255,255,0.5), 0 0 18px rgba(0,255,255,0.25), 0 0 28px rgba(0,255,255,0.1); }
}

/* Pink / 新建按钮 */
.btn-new {
    border-color: var(--neon-pink);
    color: var(--neon-pink);
    text-shadow: 0 0 3px rgba(255,0,110,0.6), 0 0 6px rgba(255,0,110,0.3);
    animation: btnPulsePink 2s ease-in-out infinite;
}

.btn-new::before { background: var(--neon-pink); }

.btn-new:hover {
    box-shadow: var(--glow-pink);
    text-shadow: none;
}

@keyframes btnPulsePink {
    0%, 100% { box-shadow: 0 0 5px rgba(255,0,110,0.3), 0 0 8px rgba(255,0,110,0.15); }
    50% { box-shadow: 0 0 10px rgba(255,0,110,0.5), 0 0 18px rgba(255,0,110,0.25), 0 0 28px rgba(255,0,110,0.1); }
}

/* --- 登录表单 --- */
.login-form {
    max-width: 420px;
    margin: 80px auto;
    background: rgba(18,18,26,0.95);
    border: 1px solid rgba(0,255,255,0.25);
    border-radius: 0;
    padding: 40px;
    position: relative;
    overflow: hidden;
    backdrop-filter: blur(10px);
    box-shadow: 0 0 30px rgba(0,255,255,0.08), inset 0 0 30px rgba(0,255,255,0.03);
    animation: fadeSlideIn 400ms ease-out;
}

@keyframes fadeSlideIn {
    0% { opacity: 0; transform: translateY(-20px); }
    100% { opacity: 1; transform: translateY(0); }
}

.login-form::before {
    content: '';
    position: absolute;
    top: 0; left: 0; right: 0;
    height: 3px;
    background: linear-gradient(90deg, var(--neon-cyan), var(--neon-pink), var(--neon-cyan));
    box-shadow: 0 0 10px var(--neon-cyan);
    animation: scanLine 3s linear infinite;
}

@keyframes scanLine {
    0% { background-position: -200% 0; }
    100% { background-position: 200% 0; }
}

.login-form h2 {
    text-align: center;
    font-family: 'Orbitron', sans-serif;
    font-size: 1.4em;
    color: var(--neon-cyan);
    text-shadow: var(--glow-cyan);
    letter-spacing: 3px;
    margin-bottom: 30px;
}

.form-group {
    margin-bottom: 22px;
}

.form-group label {
    display: block;
    margin-bottom: 8px;
    font-family: 'Rajdhani', sans-serif;
    font-weight: 600;
    color: var(--text-secondary);
    letter-spacing: 2px;
    text-transform: uppercase;
    font-size: 0.85em;
}

.form-group input,
.form-group textarea {
    width: 100%;
    padding: 12px 16px;
    background: rgba(10,10,15,0.8);
    border: 1px solid rgba(0,255,255,0.2);
    border-radius: 0;
    color: var(--neon-cyan);
    font-family: 'Share Tech Mono', monospace;
    font-size: 14px;
    transition: all var(--transition-normal);
    box-shadow: inset 0 0 10px rgba(0,255,255,0.03);
}

.form-group input::placeholder,
.form-group textarea::placeholder {
    color: rgba(160,176,176,0.4);
}

.form-group input:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--neon-cyan);
    box-shadow: 0 0 12px rgba(0,255,255,0.25), inset 0 0 10px rgba(0,255,255,0.05);
}

.form-group textarea {
    resize: vertical;
    min-height: 120px;
}

/* --- 文章列表 --- */
.article-list {
    background: rgba(18,18,26,0.7);
    border: 1px solid rgba(0,255,255,0.15);
    border-radius: 0;
    padding: 20px;
    position: relative;
    overflow: hidden;
    backdrop-filter: blur(5px);
    box-shadow: inset 0 0 20px rgba(0,255,255,0.03);
}

.article-list::before {
    content: '';
    position: absolute;
    top: 0; left: 0; right: 0;
    height: 1px;
    background: linear-gradient(90deg, transparent, rgba(0,255,255,0.2), transparent);
}

/* --- 文章项 --- */
.article-item {
    background: rgba(10,10,15,0.7);
    border: 1px solid rgba(0,255,255,0.12);
    border-radius: 0;
    padding: 18px 22px;
    margin-bottom: 15px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    position: relative;
    overflow: hidden;
    transition: all var(--transition-slow);
    cursor: pointer;
}

.article-item::before {
    content: '';
    position: absolute;
    top: 0; left: 0;
    width: 3px; height: 100%;
    background: var(--neon-cyan);
    box-shadow: 0 0 8px var(--neon-cyan);
    transform: scaleY(0);
    transform-origin: top;
    transition: transform var(--transition-slow);
}

.article-item:hover {
    border-color: rgba(0,255,255,0.35);
    box-shadow: 0 0 15px rgba(0,255,255,0.12), inset 0 0 20px rgba(0,255,255,0.04);
    transform: translateX(6px);
}

.article-item:hover::before {
    transform: scaleY(1);
}

.article-info {
    flex: 1;
}

.article-info h3 {
    font-family: 'Orbitron', sans-serif;
    font-size: 14px;
    font-weight: 600;
    color: var(--neon-cyan);
    text-shadow: var(--glow-cyan-sm);
    margin-bottom: 6px;
    letter-spacing: 1px;
    transition: color var(--transition-fast);
}

.article-item:hover .article-info h3 {
    color: #fff;
    text-shadow: 0 0 8px rgba(255,255,255,0.4);
}

.article-meta {
    font-size: 12px;
    color: var(--text-secondary);
    letter-spacing: 1px;
}

.tag {
    display: inline-block;
    background: rgba(0,128,255,0.12);
    border: 1px solid rgba(0,128,255,0.4);
    padding: 2px 8px;
    border-radius: 0;
    font-size: 11px;
    margin-right: 5px;
    color: var(--neon-blue);
    text-shadow: 0 0 5px rgba(0,128,255,0.5);
    letter-spacing: 1px;
    font-family: 'Share Tech Mono', monospace;
}

.article-actions {
    display: flex;
    gap: 8px;
    flex-shrink: 0;
}

.article-actions button {
    background: transparent;
    border: 1px solid var(--neon-pink);
    color: var(--neon-pink);
    text-shadow: 0 0 3px rgba(255,0,110,0.5);
    padding: 6px 16px;
    border-radius: 0;
    cursor: pointer;
    font-family: 'Rajdhani', sans-serif;
    font-weight: 700;
    font-size: 0.85em;
    letter-spacing: 2px;
    text-transform: uppercase;
    transition: all var(--transition-normal);
    min-height: 36px;
    min-width: 44px;
    touch-action: manipulation;
}

.article-actions button:first-child {
    border-color: var(--neon-cyan);
    color: var(--neon-cyan);
    text-shadow: 0 0 3px rgba(0,255,255,0.5);
}

.article-actions button:hover {
    background: rgba(255,0,110,0.15);
    box-shadow: 0 0 12px rgba(255,0,110,0.3);
    transform: translateY(-1px);
}

.article-actions button:first-child:hover {
    background: rgba(0,255,255,0.12);
    box-shadow: 0 0 12px rgba(0,255,255,0.3);
}

/* --- 模态框 --- */
.modal {
    display: none;
    position: fixed;
    top: 0; left: 0;
    width: 100%; height: 100%;
    background: rgba(10,10,15,0.92);
    backdrop-filter: blur(8px);
    -webkit-backdrop-filter: blur(8px);
    justify-content: center;
    align-items: flex-start;
    overflow-y: auto;
    padding: 60px 20px 40px;
    z-index: 200;
}

.modal.active { display: flex; }

.modal-content {
    background: rgba(18,18,26,0.98);
    border: 1px solid rgba(0,255,255,0.3);
    border-radius: 0;
    padding: 0;
    max-width: 650px;
    width: 100%;
    position: relative;
    overflow: hidden;
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    box-shadow: 0 0 40px rgba(0,255,255,0.12), 0 0 80px rgba(0,255,255,0.06), inset 0 0 40px rgba(0,255,255,0.03);
    animation: modalSlideIn 300ms ease-out;
}

@keyframes modalSlideIn {
    0% { opacity: 0; transform: translateY(-30px) scale(0.97); }
    100% { opacity: 1; transform: translateY(0) scale(1); }
}

.modal-content::before {
    content: '';
    position: absolute;
    top: 0; left: 0; right: 0;
    height: 3px;
    background: linear-gradient(90deg, var(--neon-cyan), var(--neon-pink), var(--neon-cyan));
    box-shadow: 0 0 12px var(--neon-cyan), 0 0 24px rgba(0,255,255,0.3);
    animation: scanLine 3s linear infinite;
}

.modal-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 25px;
    padding: 30px 30px 20px;
    border-bottom: 1px solid rgba(0,255,255,0.1);
}

.modal-header h2 {
    font-family: 'Orbitron', sans-serif;
    font-size: 1.2em;
    color: var(--neon-cyan);
    text-shadow: var(--glow-cyan);
    letter-spacing: 3px;
}

.modal-close {
    background: transparent;
    border: 2px solid rgba(0,255,255,0.35);
    color: var(--neon-cyan);
    font-size: 1.2em;
    cursor: pointer;
    width: 40px; height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all var(--transition-normal);
    text-shadow: var(--glow-cyan-sm);
    box-shadow: 0 0 6px rgba(0,255,255,0.15);
    border-radius: 0;
}

.modal-close:hover {
    background: rgba(0,255,255,0.1);
    border-color: var(--neon-cyan);
    box-shadow: var(--glow-cyan);
    transform: rotate(90deg);
}

.modal-body {
    padding: 5px 30px 35px;
}

/* --- 验证码区域 --- */
.captcha-container {
    margin: 15px 0;
    display: flex;
    align-items: center;
    gap: 12px;
}

#captchaCanvas {
    border: 1px solid rgba(0,255,255,0.4);
    border-radius: 0;
    cursor: pointer;
    box-shadow: 0 0 8px rgba(0,255,255,0.2);
}

.captcha-refresh {
    background: transparent;
    border: 1px solid rgba(0,255,255,0.3);
    color: var(--neon-cyan);
    padding: 5px 12px;
    border-radius: 0;
    cursor: pointer;
    font-size: 12px;
    transition: all var(--transition-normal);
    text-shadow: var(--glow-cyan-sm);
    font-family: 'Rajdhani', sans-serif;
    font-weight: 600;
    letter-spacing: 1px;
}

.captcha-refresh:hover {
    background: rgba(0,255,255,0.1);
    box-shadow: 0 0 8px rgba(0,255,255,0.25);
}

#postCaptchaInput {
    width: 130px;
    padding: 8px 12px;
    background: rgba(10,10,15,0.8);
    border: 1px solid rgba(0,255,255,0.2);
    border-radius: 0;
    color: var(--neon-cyan);
    font-family: 'Share Tech Mono', monospace;
    font-size: 14px;
    text-transform: uppercase;
    letter-spacing: 3px;
    transition: all var(--transition-normal);
}

#postCaptchaInput:focus {
    outline: none;
    border-color: var(--neon-cyan);
    box-shadow: 0 0 10px rgba(0,255,255,0.25);
}

.captcha-error {
    color: #FF4444;
    font-size: 12px;
    margin-top: 8px;
    display: none;
    font-family: 'Share Tech Mono', monospace;
    text-shadow: 0 0 5px rgba(255,68,68,0.5);
}

.captcha-error.show { display: block; }

.btn-save {
    width: 100%;
    margin-top: 20px;
    padding: 14px;
    font-size: 1.1em;
}

/* --- API状态指示器 --- */
#apiStatusIndicator {
    font-family: 'Share Tech Mono', monospace;
    font-size: 12px;
    letter-spacing: 1px;
    transition: color var(--transition-normal);
}

/* --- 响应式 --- */
@media (max-width: 768px) {
    .header {
        flex-direction: column;
        gap: 15px;
        text-align: center;
        padding: 15px 20px;
    }
    .header h1 { font-size: 16px; }
    .article-item {
        flex-direction: column;
        align-items: flex-start;
        gap: 12px;
    }
    .article-actions { width: 100%; justify-content: flex-end; }
    .login-form { margin: 40px 15px; padding: 25px 20px; }
    .modal-body { padding: 5px 20px 25px; }
    .modal-header { padding: 25px 20px 15px; }
}

@media (max-width: 480px) {
    .header h1 { font-size: 14px; letter-spacing: 1px; }
    .btn { padding: 8px 16px; font-size: 0.9em; }
    .article-actions button { padding: 5px 10px; font-size: 0.8em; }
}

/* --- 滚动条 --- */
::-webkit-scrollbar { width: 6px; }
::-webkit-scrollbar-track { background: var(--bg-deep); }
::-webkit-scrollbar-thumb { background: var(--neon-cyan); box-shadow: var(--glow-cyan-sm); }
::-webkit-scrollbar-thumb:hover { background: var(--neon-pink); box-shadow: var(--glow-pink); }

/* --- 减少动画 --- */
@media (prefers-reduced-motion: reduce) {
    *, *::before, *::after {
        animation-duration: 0.01ms !important;
        transition-duration: 0.01ms !important;
    }
}