/* 全局通用样式 */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    -webkit-tap-highlight-color: transparent;
}

:root {
    --dark-bg: #0a0e27;
    --card-bg: rgba(255, 255, 255, 0.05);
    --glass-bg: rgba(255, 255, 255, 0.1);
    --text-primary: #ffffff;
    --text-secondary: #b8c5db;
    --accent-blue: #00d4ff;
    --accent-purple: #9d4edd;
    --accent-pink: #ff006e;
    --success: #00f5a0;
    --danger: #ff006e;
    --warning: #ffd60a;
    --shadow: 0 8px 32px rgba(0, 0, 0, 0.3);
}

html, body {
    height: 100%;
    margin: 0;
    padding: 0;
    overflow-x: hidden;
    overflow-y: auto;
    -webkit-overflow-scrolling: touch;
}

body {
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "SF Pro Display", sans-serif;
    background: var(--dark-bg);
    background-image: 
        radial-gradient(circle at 20% 50%, rgba(102, 126, 234, 0.15) 0%, transparent 50%),
        radial-gradient(circle at 80% 80%, rgba(157, 78, 221, 0.15) 0%, transparent 50%),
        radial-gradient(circle at 40% 20%, rgba(0, 212, 255, 0.1) 0%, transparent 50%);
    min-height: 100vh;
    padding: max(20px, env(safe-area-inset-top)) max(15px, env(safe-area-inset-right)) max(20px, env(safe-area-inset-bottom)) max(15px, env(safe-area-inset-left));
    color: var(--text-primary);
}

@media (max-width: 768px) {
    body {
        padding: 15px;
        padding-top: max(15px, env(safe-area-inset-top));
    }
}

/* 通用表单样式 */
.form-group {
    margin-bottom: clamp(15px, 3vw, 25px);
}

.form-group label {
    display: block;
    margin-bottom: 8px;
    color: var(--text-primary);
    font-weight: 600;
    font-size: clamp(0.9rem, 2vw, 1rem);
}

.form-group input[type="text"],
.form-group input[type="password"],
.form-group input[type="email"],
.form-group input[type="url"],
.form-group input[type="number"],
.form-group select,
.form-group textarea {
    width: 100%;
    padding: clamp(10px, 2vw, 14px);
    border: 1px solid rgba(255, 255, 255, 0.1);
    background: var(--glass-bg);
    backdrop-filter: blur(10px);
    border-radius: 12px;
    font-size: clamp(0.9rem, 2vw, 1rem);
    color: var(--text-primary);
    transition: all 0.3s ease;
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "SF Pro Display", sans-serif;
}

.form-group input[type="checkbox"] {
    width: auto;
    margin-right: 8px;
}

.form-group textarea {
    font-family: 'SF Mono', 'Monaco', 'Consolas', monospace;
    min-height: 100px;
    resize: vertical;
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--accent-blue);
    box-shadow: 0 0 0 3px rgba(0, 212, 255, 0.1);
}

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

.form-group select option {
    background: var(--dark-bg);
    color: var(--text-primary);
    padding: 10px;
}

.form-hint {
    color: var(--text-secondary);
    font-size: clamp(0.85rem, 2vw, 0.9rem);
    margin-top: 6px;
    line-height: 1.4;
}

/* 通用按钮样式 */
.btn {
    flex: 1;
    min-width: 120px;
    padding: clamp(12px, 2.5vw, 16px) clamp(20px, 4vw, 28px);
    border: none;
    border-radius: 12px;
    font-size: clamp(0.95rem, 2vw, 1.1rem);
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

.btn-primary {
    background: linear-gradient(135deg, var(--accent-purple), var(--accent-pink));
    color: var(--text-primary);
    box-shadow: 0 4px 12px rgba(157, 78, 221, 0.3);
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(157, 78, 221, 0.5);
}

.btn-primary:active {
    transform: translateY(0);
}

.btn-secondary {
    background: linear-gradient(135deg, var(--success), #00b894);
    color: #0a0e27;
    box-shadow: 0 4px 12px rgba(0, 245, 160, 0.3);
}

.btn-secondary:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(0, 245, 160, 0.5);
}

.btn-secondary:active {
    transform: translateY(0);
}

.btn-danger {
    background: linear-gradient(135deg, var(--danger), #dc2626);
    color: var(--text-primary);
    box-shadow: 0 4px 12px rgba(255, 0, 110, 0.3);
}

.btn-danger:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(255, 0, 110, 0.5);
}

.btn-danger:active {
    transform: translateY(0);
}

.btn-accent {
    background: linear-gradient(135deg, var(--accent-blue), #00b4d8);
    color: var(--text-primary);
    box-shadow: 0 4px 12px rgba(0, 212, 255, 0.3);
}

.btn-accent:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(0, 212, 255, 0.5);
}

.btn-accent:active {
    transform: translateY(0);
}

.btn-submit {
    background: linear-gradient(135deg, var(--accent-purple), var(--accent-pink));
    color: var(--text-primary);
    padding: clamp(12px, 2.5vw, 16px) clamp(24px, 5vw, 36px);
    border: none;
    border-radius: 12px;
    font-size: clamp(0.95rem, 2vw, 1.1rem);
    font-weight: 600;
    cursor: pointer;
    width: 100%;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    box-shadow: 0 4px 12px rgba(157, 78, 221, 0.3);
}

.btn-submit:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(157, 78, 221, 0.5);
}

.btn-submit:active {
    transform: translateY(0);
}

.button-group {
    display: flex;
    gap: clamp(12px, 3vw, 18px);
    flex-wrap: wrap;
}

@media (max-width: 768px) {
    .button-group {
        flex-direction: column;
    }
}

/* 通用容器样式 */
.container {
    max-width: 900px;
    margin: 0 auto;
    animation: fadeIn 0.6s ease-out;
}

@keyframes fadeIn {
    from {
        opacity: 0;
        transform: translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* 通用卡片样式 */
.card {
    background: var(--card-bg);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    padding: clamp(20px, 5vw, 35px);
    border-radius: 24px;
    border: 1px solid rgba(255, 255, 255, 0.08);
    box-shadow: var(--shadow);
    margin-bottom: clamp(16px, 3vw, 24px);
}

.card h2 {
    color: var(--text-primary);
    margin-bottom: clamp(16px, 4vw, 24px);
    font-size: clamp(1.3rem, 3vw, 1.8rem);
    font-weight: 600;
}

/* 通用消息样式 */
.message {
    padding: 15px;
    border-radius: 10px;
    margin-bottom: 20px;
    display: none;
}

.message.show {
    display: block;
}

.message-success {
    background: #d1fae5;
    color: #065f46;
}

.message-error {
    background: #fee2e2;
    color: #991b1b;
}

/* 通用加载样式 */
.loading {
    display: none;
    text-align: center;
    padding: 20px;
}

.loading.show {
    display: block;
}

.spinner {
    border: 4px solid #f3f4f6;
    border-top: 4px solid #667eea;
    border-radius: 50%;
    width: 40px;
    height: 40px;
    animation: spin 1s linear infinite;
    margin: 0 auto;
}

@keyframes spin {
    0% { transform: rotate(0deg); }
    100% { transform: rotate(360deg); }
}

/* 通用 Header 样式 */
.header {
    background: var(--glass-bg);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    padding: clamp(20px, 5vw, 35px);
    border-radius: 24px;
    border: 1px solid rgba(255, 255, 255, 0.1);
    box-shadow: var(--shadow), inset 0 1px 0 rgba(255, 255, 255, 0.1);
    margin-bottom: clamp(20px, 4vw, 35px);
    position: relative;
    overflow: hidden;
}

.header::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.1), transparent);
    animation: shimmer 3s infinite;
}

@keyframes shimmer {
    to { left: 200%; }
}

.header-top {
    display: flex;
    align-items: center;
    gap: clamp(12px, 3vw, 20px);
    flex-wrap: wrap;
    position: relative;
    z-index: 1;
}

.back-button {
    background: var(--glass-bg);
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.1);
    color: var(--text-primary);
    padding: clamp(10px, 2vw, 12px) clamp(18px, 4vw, 24px);
    border-radius: 12px;
    text-decoration: none;
    font-weight: 600;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.2);
    font-size: clamp(0.9rem, 2vw, 1rem);
}

.back-button:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(0, 212, 255, 0.3);
    border-color: var(--accent-blue);
    background: rgba(0, 212, 255, 0.1);
}

.back-button:active {
    transform: translateY(0);
}

.header h1 {
    color: var(--text-primary);
    font-size: clamp(1.5rem, 4vw, 2.2rem);
    flex-grow: 1;
    font-weight: 700;
    background: linear-gradient(135deg, #00d4ff, #9d4edd);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    margin: 0;
}

.header-actions {
    display: flex;
    gap: 15px;
    align-items: center;
    flex-wrap: wrap;
}

/* 通用按钮样式 */
.btn-add {
    background: linear-gradient(135deg, var(--success), #00b894);
    color: #0a0e27;
    padding: clamp(10px, 2vw, 12px) clamp(18px, 4vw, 24px);
    border-radius: 12px;
    border: none;
    font-weight: 600;
    cursor: pointer;
    text-decoration: none;
    display: inline-block;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    font-size: clamp(0.9rem, 2vw, 1rem);
    box-shadow: 0 4px 12px rgba(0, 245, 160, 0.3);
    white-space: nowrap;
}

.btn-add:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(0, 245, 160, 0.5);
}

.btn-add:active {
    transform: translateY(0);
}

/* 通用 Badge 样式 */
.badge {
    padding: 6px 14px;
    border-radius: 12px;
    font-size: clamp(0.75rem, 1.8vw, 0.85rem);
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    white-space: nowrap;
}

.badge-success {
    background: linear-gradient(135deg, var(--success), #00b894);
    color: #0a0e27;
    box-shadow: 0 4px 12px rgba(0, 245, 160, 0.3);
}

.badge-disabled {
    background: rgba(255, 255, 255, 0.1);
    color: var(--text-secondary);
}

/* 通用 Empty State 样式 */
.empty-state {
    background: var(--card-bg);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    padding: clamp(40px, 8vw, 80px);
    border-radius: 24px;
    text-align: center;
    color: var(--text-secondary);
    border: 1px solid rgba(255, 255, 255, 0.08);
    box-shadow: var(--shadow);
}

.empty-state h3 {
    font-size: clamp(2rem, 5vw, 3rem);
    margin-bottom: 16px;
    color: var(--text-primary);
}

.empty-state p {
    font-size: clamp(1rem, 2.5vw, 1.2rem);
}

/* 响应式调整 */
@media (max-width: 768px) {
    .header-top {
        flex-direction: column;
        align-items: flex-start;
        gap: 15px;
    }
    
    .header-top h1 {
        width: 100%;
    }
    
    .header-actions {
        width: 100%;
        justify-content: flex-start;
    }
}