/* 现代科技黑金风格UI */
:root {
    --primary-black: #0a0a0a;
    --secondary-black: #1a1a1a;
    --primary-gold: #d4af37;
    --secondary-gold: #ffd700;
    --accent-gold: #f0e68c;
    --text-light: #f5f5f5;
    --text-gray: #b0b0b0;
    --border-gold: #d4af37;
    --shadow-gold: rgba(212, 175, 55, 0.3);
    --success-green: #2ecc71;
    --error-red: #e74c3c;
    --info-blue: #3498db;
}

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

body {
    font-family: 'Segoe UI', 'Roboto', 'Helvetica Neue', Arial, sans-serif;
    background: linear-gradient(135deg, var(--primary-black) 0%, #1a1a1a 100%);
    color: var(--text-light);
    min-height: 100vh;
    padding: 20px;
    line-height: 1.6;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    background: rgba(26, 26, 26, 0.9);
    border-radius: 15px;
    padding: 30px;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.5),
                0 0 20px var(--shadow-gold);
    border: 1px solid var(--border-gold);
    position: relative;
    overflow: hidden;
}

.container::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 3px;
    background: linear-gradient(90deg, 
        transparent 0%, 
        var(--primary-gold) 20%, 
        var(--secondary-gold) 50%, 
        var(--primary-gold) 80%, 
        transparent 100%);
}

h1 {
    color: var(--primary-gold);
    text-align: center;
    margin-bottom: 10px;
    font-size: 2.5rem;
    text-shadow: 0 0 10px var(--shadow-gold);
    letter-spacing: 1px;
}

h1::after {
    content: '';
    display: block;
    width: 100px;
    height: 3px;
    background: linear-gradient(90deg, transparent, var(--primary-gold), transparent);
    margin: 15px auto;
}

h2, h3, h4 {
    color: var(--secondary-gold);
    margin: 20px 0 15px;
}

p {
    margin-bottom: 15px;
    color: var(--text-gray);
}

.form-group {
    margin: 20px 0;
    position: relative;
}

label {
    display: block;
    margin-bottom: 8px;
    color: var(--accent-gold);
    font-weight: 500;
    font-size: 0.95rem;
    letter-spacing: 0.5px;
}

input, select {
    width: 100%;
    padding: 12px 15px;
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid rgba(212, 175, 55, 0.3);
    border-radius: 8px;
    color: var(--text-light);
    font-size: 1rem;
    transition: all 0.3s ease;
}

input:focus, select:focus {
    outline: none;
    border-color: var(--primary-gold);
    box-shadow: 0 0 10px var(--shadow-gold);
    background: rgba(255, 255, 255, 0.1);
}

input::placeholder {
    color: rgba(255, 255, 255, 0.3);
}

small {
    display: block;
    margin-top: 5px;
    color: var(--text-gray);
    font-size: 0.85rem;
    opacity: 0.8;
}

button {
    background: linear-gradient(135deg, var(--primary-gold) 0%, var(--secondary-gold) 100%);
    color: var(--primary-black);
    padding: 12px 30px;
    border: none;
    border-radius: 8px;
    cursor: pointer;
    font-weight: 600;
    font-size: 1rem;
    letter-spacing: 0.5px;
    transition: all 0.3s ease;
    text-transform: uppercase;
    position: relative;
    overflow: hidden;
    z-index: 1;
}

button::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.2), transparent);
    transition: left 0.5s ease;
    z-index: -1;
}

button:hover::before {
    left: 100%;
}

button:hover {
    transform: translateY(-2px);
    box-shadow: 0 5px 15px var(--shadow-gold);
}

button:active {
    transform: translateY(0);
}

.result {
    margin: 25px 0;
    padding: 20px;
    border-radius: 10px;
    border: 1px solid;
    background: rgba(255, 255, 255, 0.05);
    backdrop-filter: blur(10px);
}

.success {
    border-color: var(--success-green);
    background: rgba(46, 204, 113, 0.1);
}

.error {
    border-color: var(--error-red);
    background: rgba(231, 76, 60, 0.1);
}

.info {
    border-color: var(--info-blue);
    background: rgba(52, 152, 219, 0.1);
}

.tab {
    display: flex;
    background: rgba(26, 26, 26, 0.8);
    border-radius: 10px;
    padding: 5px;
    margin: 25px 0;
    border: 1px solid rgba(212, 175, 55, 0.2);
    overflow: hidden;
}

.tab button {
    flex: 1;
    background: transparent;
    color: var(--text-gray);
    border: none;
    padding: 15px;
    border-radius: 8px;
    margin: 0 2px;
    transition: all 0.3s ease;
    text-transform: none;
    font-weight: 500;
}

.tab button:hover {
    background: rgba(212, 175, 55, 0.1);
    color: var(--accent-gold);
    transform: none;
    box-shadow: none;
}

.tab button.active {
    background: linear-gradient(135deg, var(--primary-gold) 0%, var(--secondary-gold) 100%);
    color: var(--primary-black);
    font-weight: 600;
    box-shadow: 0 3px 10px var(--shadow-gold);
}

.tabcontent {
    display: none;
    padding: 25px;
    background: rgba(26, 26, 26, 0.6);
    border-radius: 10px;
    margin-top: 20px;
    border: 1px solid rgba(212, 175, 55, 0.1);
    animation: fadeIn 0.5s ease;
}

@keyframes fadeIn {
    from { opacity: 0; transform: translateY(10px); }
    to { opacity: 1; transform: translateY(0); }
}

.multi-tab {
    background: rgba(10, 10, 10, 0.8);
    border-radius: 10px;
    padding: 5px;
    margin: 20px 0;
    border: 1px solid rgba(212, 175, 55, 0.2);
}

.multi-tablinks {
    background: transparent;
    color: var(--text-gray);
    border: none;
    padding: 12px 20px;
    border-radius: 8px;
    margin: 0 2px;
    transition: all 0.3s ease;
}

.multi-tablinks:hover {
    background: rgba(212, 175, 55, 0.1);
    color: var(--accent-gold);
}

.multi-tablinks.active {
    background: linear-gradient(135deg, var(--primary-gold) 0%, var(--secondary-gold) 100%);
    color: var(--primary-black);
    font-weight: 600;
    box-shadow: 0 3px 10px var(--shadow-gold);
}

.multi-tabcontent {
    display: none;
    padding: 20px;
    background: rgba(10, 10, 10, 0.6);
    border-radius: 10px;
    margin-top: 15px;
    border: 1px solid rgba(212, 175, 55, 0.1);
}

pre {
    background: rgba(0, 0, 0, 0.5);
    padding: 15px;
    border-radius: 8px;
    overflow-x: auto;
    border: 1px solid rgba(212, 175, 55, 0.2);
    color: var(--accent-gold);
    font-family: 'Courier New', monospace;
    font-size: 0.9rem;
    margin: 10px 0;
}

ul {
    list-style: none;
    padding-left: 20px;
}

ul li {
    margin: 8px 0;
    color: var(--text-gray);
    position: relative;
    padding-left: 15px;
}

ul li::before {
    content: '▸';
    color: var(--primary-gold);
    position: absolute;
    left: 0;
}

/* 日志输出台样式 */
.log-output {
    background: rgba(0, 0, 0, 0.7);
    border-radius: 8px;
    border: 1px solid rgba(212, 175, 55, 0.3);
    margin: 15px 0;
    overflow: hidden;
}

.log-header {
    background: rgba(212, 175, 55, 0.1);
    padding: 10px 15px;
    border-bottom: 1px solid rgba(212, 175, 55, 0.2);
    display: flex;
    justify-content: space-between;
    align-items: center;
    font-weight: 600;
    color: var(--accent-gold);
}

.log-clear-btn {
    background: rgba(212, 175, 55, 0.2);
    color: var(--accent-gold);
    border: 1px solid rgba(212, 175, 55, 0.3);
    padding: 5px 10px;
    border-radius: 4px;
    font-size: 0.8rem;
    cursor: pointer;
    transition: all 0.3s ease;
}

.log-clear-btn:hover {
    background: rgba(212, 175, 55, 0.3);
    border-color: var(--primary-gold);
}

.log-content {
    max-height: 300px;
    overflow-y: auto;
    padding: 10px;
    font-family: 'Courier New', monospace;
    font-size: 0.85rem;
    line-height: 1.4;
}

.log-entry {
    padding: 5px 10px;
    margin: 3px 0;
    border-radius: 4px;
    border-left: 3px solid transparent;
    animation: fadeInLog 0.3s ease;
}

@keyframes fadeInLog {
    from { opacity: 0; transform: translateX(-10px); }
    to { opacity: 1; transform: translateX(0); }
}

.log-entry.info {
    background: rgba(52, 152, 219, 0.1);
    border-left-color: var(--info-blue);
    color: #a0d2ff;
}

.log-entry.success {
    background: rgba(46, 204, 113, 0.1);
    border-left-color: var(--success-green);
    color: #90ffc0;
}

.log-entry.error {
    background: rgba(231, 76, 60, 0.1);
    border-left-color: var(--error-red);
    color: #ffa0a0;
}

.log-entry.warning {
    background: rgba(241, 196, 15, 0.1);
    border-left-color: #f1c40f;
    color: #ffeaa7;
}

/* 响应式设计 */
@media (max-width: 768px) {
    .container {
        padding: 20px;
    }
    
    h1 {
        font-size: 2rem;
    }
    
    .tab {
        flex-direction: column;
    }
    
    .tab button {
        margin: 2px 0;
    }
    
    .log-content {
        max-height: 200px;
    }
}

/* 科技感装饰元素 */
.tech-decoration {
    position: absolute;
    width: 100px;
    height: 100px;
    border: 2px solid var(--border-gold);
    opacity: 0.1;
    pointer-events: none;
}

.tech-decoration:nth-child(1) {
    top: 20px;
    right: 20px;
    border-radius: 50%;
    border-top-color: transparent;
    animation: rotate 20s linear infinite;
}

.tech-decoration:nth-child(2) {
    bottom: 20px;
    left: 20px;
    border-left-color: transparent;
    border-right-color: transparent;
    animation: pulse 4s ease-in-out infinite;
}

@keyframes rotate {
    from { transform: rotate(0deg); }
    to { transform: rotate(360deg); }
}

@keyframes pulse {
    0%, 100% { transform: scale(1); opacity: 0.1; }
    50% { transform: scale(1.1); opacity: 0.2; }
}