:root {
    --bg-primary: #0a0d14;
    --card-bg: rgba(255, 255, 255, 0.05);
    --card-border: rgba(255, 255, 255, 0.1);
    --accent: #3b82f6;
    --accent-glow: rgba(59, 130, 246, 0.35);
    --text-primary: #f8fafc;
    --text-secondary: #94a3b8;
}

* {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
    -webkit-tap-highlight-color: transparent;
}

body {
    background-color: var(--bg-primary);
    background-image: 
        radial-gradient(at 0% 0%, rgba(59, 130, 246, 0.15) 0px, transparent 50%),
        radial-gradient(at 100% 100%, rgba(147, 51, 234, 0.15) 0px, transparent 50%);
    background-attachment: fixed;
    color: var(--text-primary);
    font-family: -apple-system, BlinkMacSystemFont, "SF Pro Text", "PingFang SC", "Helvetica Neue", sans-serif;
    min-height: 100vh;
    display: flex;
    justify-content: center;
    padding: env(safe-area-inset-top, 20px) 16px env(safe-area-inset-bottom, 20px);
}

.app-container {
    width: 100%;
    max-width: 480px;
    display: flex;
    flex-direction: column;
    align-items: center;
    padding-top: 36px;
}

/* 顶部品牌 */
.brand-header {
    text-align: center;
    margin-bottom: 28px;
}

.logo-wrap {
    position: relative;
    width: 68px;
    height: 68px;
    margin: 0 auto 14px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.logo-glow {
    position: absolute;
    width: 100%;
    height: 100%;
    background: linear-gradient(135deg, #3b82f6, #8b5cf6);
    filter: blur(18px);
    opacity: 0.6;
    border-radius: 50%;
}

.logo-icon {
    position: relative;
    font-size: 34px;
    width: 60px;
    height: 60px;
    background: rgba(255, 255, 255, 0.1);
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.2);
    border-radius: 20px;
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.3);
}

.brand-title {
    font-size: 26px;
    font-weight: 700;
    letter-spacing: -0.5px;
    background: linear-gradient(to right, #ffffff, #cbd5e1);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    margin-bottom: 4px;
}

.brand-subtitle {
    font-size: 13px;
    color: var(--text-secondary);
}

/* 搜索卡片 */
.search-box-card {
    width: 100%;
    background: var(--card-bg);
    border: 1px solid var(--card-border);
    backdrop-filter: blur(16px);
    border-radius: 20px;
    padding: 8px;
    display: flex;
    align-items: center;
    gap: 8px;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.25);
    transition: all 0.25s ease;
}

.search-box-card:focus-within {
    border-color: rgba(59, 130, 246, 0.6);
    box-shadow: 0 0 20px var(--accent-glow);
}

.input-wrapper {
    flex: 1;
    display: flex;
    align-items: center;
    background: rgba(0, 0, 0, 0.25);
    border-radius: 14px;
    padding: 0 12px;
    height: 48px;
}

.search-icon {
    font-size: 16px;
    margin-right: 8px;
    opacity: 0.6;
}

#search-input {
    flex: 1;
    background: transparent;
    border: none;
    outline: none;
    color: #fff;
    font-size: 15px;
    width: 100%;
}

#search-input::placeholder {
    color: #64748b;
    font-size: 14px;
}

.clear-btn {
    background: rgba(255, 255, 255, 0.15);
    border: none;
    color: #cbd5e1;
    width: 20px;
    height: 20px;
    border-radius: 50%;
    font-size: 11px;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
}

.go-btn {
    background: linear-gradient(135deg, #2563eb, #1d4ed8);
    border: none;
    color: #fff;
    font-size: 14px;
    font-weight: 600;
    padding: 0 18px;
    height: 48px;
    border-radius: 14px;
    display: flex;
    align-items: center;
    gap: 6px;
    cursor: pointer;
    box-shadow: 0 4px 12px rgba(37, 99, 235, 0.35);
    transition: transform 0.15s ease, opacity 0.15s ease;
}

.go-btn:active {
    transform: scale(0.96);
    opacity: 0.9;
}

/* 状态栏 */
.status-bar {
    margin-top: 14px;
    display: inline-flex;
    align-items: center;
    gap: 6px;
    font-size: 12px;
    color: #10b981;
    background: rgba(16, 185, 129, 0.1);
    border: 1px solid rgba(16, 185, 129, 0.2);
    padding: 4px 12px;
    border-radius: 20px;
}

.status-dot {
    width: 6px;
    height: 6px;
    background: #10b981;
    border-radius: 50%;
    box-shadow: 0 0 8px #10b981;
}

/* 快捷磁贴 */
.quick-section {
    width: 100%;
    margin-top: 36px;
}

.section-title {
    font-size: 13px;
    font-weight: 600;
    color: var(--text-secondary);
    text-transform: uppercase;
    letter-spacing: 0.5px;
    margin-bottom: 14px;
    padding-left: 4px;
}

.tiles-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 12px;
}

.tile-item {
    background: var(--card-bg);
    border: 1px solid var(--card-border);
    backdrop-filter: blur(12px);
    border-radius: 16px;
    padding: 14px 8px;
    display: flex;
    flex-direction: column;
    align-items: center;
    text-decoration: none;
    color: var(--text-primary);
    transition: all 0.2s ease;
}

.tile-item:active {
    transform: scale(0.95);
    background: rgba(255, 255, 255, 0.1);
}

.tile-icon {
    width: 44px;
    height: 44px;
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 20px;
    font-weight: bold;
    color: #fff;
    margin-bottom: 8px;
    box-shadow: 0 4px 10px rgba(0, 0, 0, 0.2);
}

.tile-name {
    font-size: 12px;
    font-weight: 500;
    color: #e2e8f0;
}

/* 底部说明 */
.footer-note {
    margin-top: auto;
    padding-top: 48px;
    padding-bottom: 12px;
    font-size: 11px;
    color: #64748b;
    text-align: center;
}