/* ============================================================
   TeleGrowth · Apple HIG 风格设计系统
   设计原则：克制、留白、毛玻璃、系统色、SF Pro 字体、深色模式自适应
   ============================================================ */

:root {
    /* === 系统色（参考 Apple Human Interface Guidelines） === */
    --color-bg: #f5f5f7;
    --color-surface: rgba(255, 255, 255, 0.72);
    --color-surface-solid: #ffffff;
    --color-sidebar: rgba(245, 245, 247, 0.85);
    --color-text: #1d1d1f;
    --color-text-secondary: #6e6e73;
    --color-text-tertiary: #86868b;
    --color-border: rgba(0, 0, 0, 0.06);
    --color-divider: rgba(0, 0, 0, 0.04);

    /* 系统语义色 */
    --color-blue: #007aff;
    --color-blue-soft: rgba(0, 122, 255, 0.08);
    --color-green: #34c759;
    --color-orange: #ff9500;
    --color-red: #ff3b30;
    --color-purple: #af52de;
    --color-yellow: #ffcc00;

    /* 阴影层级 */
    --shadow-1: 0 1px 2px rgba(0, 0, 0, 0.04);
    --shadow-2: 0 2px 8px rgba(0, 0, 0, 0.06), 0 1px 2px rgba(0, 0, 0, 0.04);
    --shadow-3: 0 8px 24px rgba(0, 0, 0, 0.08), 0 2px 4px rgba(0, 0, 0, 0.04);

    /* 圆角 */
    --radius-sm: 8px;
    --radius-md: 12px;
    --radius-lg: 16px;
    --radius-xl: 20px;

    /* 间距 */
    --gap-1: 4px;
    --gap-2: 8px;
    --gap-3: 12px;
    --gap-4: 16px;
    --gap-5: 20px;
    --gap-6: 24px;
    --gap-8: 32px;
    --gap-10: 40px;

    /* 动效 */
    --ease-out: cubic-bezier(0.4, 0, 0.2, 1);
    --ease-spring: cubic-bezier(0.34, 1.56, 0.64, 1);
    --duration-fast: 0.15s;
    --duration-base: 0.25s;
}

@media (prefers-color-scheme: dark) {
    :root {
        --color-bg: #000000;
        --color-surface: rgba(28, 28, 30, 0.72);
        --color-surface-solid: #1c1c1e;
        --color-sidebar: rgba(28, 28, 30, 0.85);
        --color-text: #f5f5f7;
        --color-text-secondary: #98989d;
        --color-text-tertiary: #6e6e73;
        --color-border: rgba(255, 255, 255, 0.08);
        --color-divider: rgba(255, 255, 255, 0.06);
        --color-blue-soft: rgba(0, 122, 255, 0.16);
        --shadow-1: 0 1px 2px rgba(0, 0, 0, 0.3);
        --shadow-2: 0 2px 8px rgba(0, 0, 0, 0.4);
        --shadow-3: 0 8px 24px rgba(0, 0, 0, 0.5);
    }
}

/* ============================================================
   Reset
   ============================================================ */

*, *::before, *::after { box-sizing: border-box; }
html, body {
    margin: 0;
    padding: 0;
    height: 100%;
}
body {
    font-family: -apple-system, BlinkMacSystemFont, "SF Pro Display", "SF Pro Text",
                 "Helvetica Neue", "PingFang SC", "Hiragino Sans GB", sans-serif;
    font-size: 14px;
    line-height: 1.5;
    color: var(--color-text);
    background: var(--color-bg);
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    min-height: 100vh;
    overflow: hidden; /* 页面级不滚动，滚动交给右侧内容容器 */
}
a { color: inherit; text-decoration: none; }
button { font: inherit; cursor: pointer; border: 0; background: transparent; color: inherit; }

/* ============================================================
   布局
   ============================================================ */

.app {
    display: grid;
    grid-template-columns: 240px 1fr;
    height: 100vh;
    overflow: hidden;
}

.sidebar {
    background: var(--color-sidebar);
    backdrop-filter: blur(24px) saturate(180%);
    -webkit-backdrop-filter: blur(24px) saturate(180%);
    border-right: 1px solid var(--color-border);
    padding: var(--gap-6) var(--gap-3);
    position: sticky;
    top: 0;
    height: 100vh;
    display: flex;
    flex-direction: column;
}

.sidebar-brand {
    display: flex;
    align-items: center;
    gap: var(--gap-3);
    padding: var(--gap-2) var(--gap-3);
    margin-bottom: var(--gap-6);
}
.sidebar-brand-mark {
    width: 32px; height: 32px;
    border-radius: var(--radius-sm);
    background: linear-gradient(135deg, var(--color-blue), var(--color-purple));
    display: grid; place-items: center;
    color: #fff;
    box-shadow: var(--shadow-2);
}
.sidebar-brand-text { font-size: 15px; font-weight: 600; letter-spacing: -0.01em; }
.sidebar-brand-sub { font-size: 11px; color: var(--color-text-tertiary); }

.sidebar-nav { display: flex; flex-direction: column; gap: 2px; flex: 1; }
.sidebar-link {
    display: flex; align-items: center; gap: var(--gap-3);
    padding: var(--gap-2) var(--gap-3);
    border-radius: var(--radius-sm);
    color: var(--color-text-secondary);
    font-weight: 500;
    transition: background var(--duration-fast) var(--ease-out),
                color var(--duration-fast) var(--ease-out);
}
.sidebar-link:hover { background: var(--color-divider); color: var(--color-text); }
.sidebar-link.active {
    background: var(--color-blue-soft);
    color: var(--color-blue);
}
.sidebar-link svg { width: 18px; height: 18px; flex-shrink: 0; }

.sidebar-footer {
    padding: var(--gap-3);
    border-top: 1px solid var(--color-divider);
    font-size: 11px;
    color: var(--color-text-tertiary);
    display: flex; justify-content: space-between; align-items: center;
}

/* === 主区 === */
.main {
    display: flex;
    flex-direction: column;
    min-width: 0;
    height: 100vh;
    overflow: hidden;
}

.topbar {
    position: sticky; top: 0; z-index: 10;
    background: var(--color-surface);
    backdrop-filter: blur(20px) saturate(180%);
    -webkit-backdrop-filter: blur(20px) saturate(180%);
    border-bottom: 1px solid var(--color-border);
    padding: var(--gap-3) var(--gap-6);
    display: flex; align-items: center; gap: var(--gap-6);
}
.topbar-title { font-size: 17px; font-weight: 600; letter-spacing: -0.01em; flex: 1; }

/* 北极星指标条 */
.northstar-bar { display: flex; gap: var(--gap-4); align-items: center; }
.ns-item {
    display: flex; flex-direction: column; align-items: flex-end; gap: 2px;
    padding: 0 var(--gap-3);
    border-left: 1px solid var(--color-divider);
}
.ns-item:first-child { border-left: 0; }
.ns-label { font-size: 10px; color: var(--color-text-tertiary); text-transform: uppercase; letter-spacing: 0.04em; }
.ns-value { font-size: 14px; font-weight: 600; font-variant-numeric: tabular-nums; }
.ns-value.urgent { color: var(--color-orange); }
.ns-value.danger { color: var(--color-red); }

/* === 内容区（唯一纵向滚动容器） === */
.content {
    flex: 1;
    min-height: 0;
    overflow-y: auto;
    overflow-x: hidden;
    padding: var(--gap-8) var(--gap-6);
    max-width: 1400px;
    width: 100%;
}

/* ============================================================
   卡片 / 通用组件
   ============================================================ */

.card {
    background: var(--color-surface-solid);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
    padding: var(--gap-5);
    box-shadow: var(--shadow-1);
    transition: box-shadow var(--duration-base) var(--ease-out),
                transform var(--duration-base) var(--ease-out);
    margin-bottom: 16px;
}
.card.interactive:hover { box-shadow: var(--shadow-2); transform: translateY(-1px); }
.card-title { font-size: 13px; font-weight: 600; color: var(--color-text-secondary); margin: 0 0 var(--gap-3) 0; }
.card-value { font-size: 28px; font-weight: 700; letter-spacing: -0.02em; font-variant-numeric: tabular-nums; }
.card-meta { font-size: 12px; color: var(--color-text-tertiary); margin-top: var(--gap-2); }

.grid { display: grid; gap: var(--gap-4); }
.grid-2 { grid-template-columns: repeat(2, minmax(0, 1fr)); }
.grid-3 { grid-template-columns: repeat(3, minmax(0, 1fr)); }
.grid-4 { grid-template-columns: repeat(4, minmax(0, 1fr)); }
@media (max-width: 1024px) {
    .grid-3, .grid-4 { grid-template-columns: repeat(2, minmax(0, 1fr)); }
}
@media (max-width: 640px) {
    body { overflow: auto; } /* 小屏恢复页面自然滚动 */
    .app { grid-template-columns: 1fr; height: auto; overflow: visible; }
    .main { height: auto; overflow: visible; }
    .content { overflow: visible; }
    .sidebar { position: relative; height: auto; }
    .grid-2, .grid-3, .grid-4 { grid-template-columns: 1fr; }
}

.section-title {
    font-size: 22px; font-weight: 700; letter-spacing: -0.02em;
    margin: 0 0 var(--gap-2) 0;
}
.section-sub { color: var(--color-text-secondary); margin: 0 0 var(--gap-6) 0; }

/* === Buttons === */
.btn {
    display: inline-flex; align-items: center; justify-content: center; gap: var(--gap-2);
    padding: 8px 16px;
    border-radius: 980px;
    font-size: 13px; font-weight: 500;
    background: var(--color-divider); color: var(--color-text);
    transition: all var(--duration-fast) var(--ease-out);
}
.btn:hover { background: var(--color-border); }
.btn-primary { background: var(--color-blue); color: #fff; }
.btn-primary:hover { background: #0066d6; box-shadow: var(--shadow-2); }
.btn-danger { background: var(--color-red); color: #fff; }
.btn-ghost { background: transparent; color: var(--color-blue); }
.btn:disabled { opacity: 0.4; cursor: not-allowed; }

/* === Form === */
.input, .textarea, .select {
    width: 100%;
    padding: 10px 12px;
    border-radius: var(--radius-sm);
    border: 1px solid var(--color-border);
    background: var(--color-surface-solid);
    color: var(--color-text);
    font: inherit;
    transition: border var(--duration-fast) var(--ease-out),
                box-shadow var(--duration-fast) var(--ease-out);
}
.input:focus, .textarea:focus, .select:focus {
    outline: 0;
    border-color: var(--color-blue);
    box-shadow: 0 0 0 3px var(--color-blue-soft);
}
.label { display: block; font-size: 12px; font-weight: 500; color: var(--color-text-secondary); margin-bottom: var(--gap-2); }

/* === Tags / badges === */
.badge {
    display: inline-flex; align-items: center; gap: 4px;
    padding: 2px 8px;
    border-radius: 980px;
    font-size: 11px; font-weight: 500;
    background: var(--color-divider);
    color: var(--color-text-secondary);
}
.badge-blue { background: var(--color-blue-soft); color: var(--color-blue); }
.badge-green { background: rgba(52, 199, 89, 0.12); color: var(--color-green); }
.badge-orange { background: rgba(255, 149, 0, 0.12); color: var(--color-orange); }
.badge-red { background: rgba(255, 59, 48, 0.12); color: var(--color-red); }

/* === Empty state === */
.empty {
    text-align: center;
    padding: var(--gap-10);
    color: var(--color-text-tertiary);
    font-size: 13px;
}
.empty-icon {
    width: 48px; height: 48px;
    margin: 0 auto var(--gap-3);
    color: var(--color-text-tertiary);
    opacity: 0.5;
}

/* === Login 页 === */
.login-wrap {
    min-height: 100vh;
    display: grid; place-items: center;
    background: linear-gradient(135deg, #f5f5f7 0%, #e8e8ed 100%);
}
@media (prefers-color-scheme: dark) {
    .login-wrap { background: linear-gradient(135deg, #000 0%, #1c1c1e 100%); }
}
.login-card {
    width: 360px;
    padding: var(--gap-8);
    background: var(--color-surface-solid);
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow-3);
    text-align: center;
}
.login-mark {
    width: 56px; height: 56px;
    margin: 0 auto var(--gap-4);
    border-radius: var(--radius-md);
    background: linear-gradient(135deg, var(--color-blue), var(--color-purple));
    display: grid; place-items: center;
    color: #fff;
    box-shadow: var(--shadow-2);
}
.login-title { font-size: 22px; font-weight: 700; letter-spacing: -0.02em; margin: 0 0 var(--gap-2); }
.login-sub { color: var(--color-text-secondary); font-size: 13px; margin: 0 0 var(--gap-6); }
.login-error {
    padding: var(--gap-2) var(--gap-3);
    background: rgba(255, 59, 48, 0.1);
    color: var(--color-red);
    border-radius: var(--radius-sm);
    font-size: 12px;
    margin-bottom: var(--gap-4);
}

/* === Tabs === */
.tabs {
    display: flex; gap: 4px;
    background: var(--color-divider);
    padding: 4px;
    border-radius: 10px;
    margin-bottom: var(--gap-4);
    width: fit-content;
}
.tab {
    padding: 6px 14px;
    border-radius: 7px;
    font-size: 13px; font-weight: 500;
    color: var(--color-text-secondary);
    cursor: pointer;
    transition: all var(--duration-fast) var(--ease-out);
}
.tab.active { background: var(--color-surface-solid); color: var(--color-text); box-shadow: var(--shadow-1); }
.tab:hover:not(.active) { color: var(--color-text); }

/* === Table === */
.table {
    width: 100%;
    border-collapse: collapse;
    font-size: 13px;
    font-variant-numeric: tabular-nums;
}
.table th {
    text-align: left;
    padding: 10px 12px;
    font-size: 11px; font-weight: 600;
    color: var(--color-text-tertiary);
    text-transform: uppercase;
    letter-spacing: 0.04em;
    border-bottom: 1px solid var(--color-divider);
    background: transparent;
}
.table td {
    padding: 10px 12px;
    border-bottom: 1px solid var(--color-divider);
    vertical-align: middle;
}
.table tr:last-child td { border-bottom: 0; }
.table tr:hover td { background: var(--color-divider); }
.table-mono { font-family: ui-monospace, SFMono-Regular, Menlo, monospace; font-size: 12px; }

/* === Progress bar === */
.progress {
    height: 6px;
    background: var(--color-divider);
    border-radius: 999px;
    overflow: hidden;
}
.progress-fill {
    height: 100%;
    background: linear-gradient(90deg, var(--color-blue), var(--color-purple));
    transition: width 0.4s var(--ease-out);
}
.progress-fill.success { background: var(--color-green); }
.progress-fill.warn { background: linear-gradient(90deg, var(--color-orange), var(--color-red)); }

/* === Modal === */
.modal-backdrop {
    position: fixed; inset: 0; z-index: 100;
    background: rgba(0,0,0,0.45);
    backdrop-filter: blur(8px);
    -webkit-backdrop-filter: blur(8px);
    display: grid; place-items: center;
    padding: var(--gap-4);
}
.modal {
    width: min(560px, 92vw);
    max-height: 90vh;
    overflow-y: auto;
    background: var(--color-surface-solid);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-3);
    padding: var(--gap-6);
}
.modal-header {
    display: flex; justify-content: space-between; align-items: center;
    margin-bottom: var(--gap-4);
}
.modal-title { font-size: 17px; font-weight: 700; }
.modal-close {
    width: 28px; height: 28px;
    border-radius: 50%;
    background: var(--color-divider);
    display: grid; place-items: center;
    color: var(--color-text-secondary);
}
.modal-close:hover { background: var(--color-border); color: var(--color-text); }

/* === File drop zone === */
.dropzone {
    border: 2px dashed var(--color-border);
    border-radius: var(--radius-md);
    padding: var(--gap-8);
    text-align: center;
    color: var(--color-text-secondary);
    cursor: pointer;
    transition: all var(--duration-fast) var(--ease-out);
}
.dropzone:hover, .dropzone.dragging {
    border-color: var(--color-blue);
    background: var(--color-blue-soft);
    color: var(--color-blue);
}

/* === Status pills (复用 badge) === */
.status-fresh { background: var(--color-divider); color: var(--color-text-secondary); }
.status-sent { background: rgba(0,122,255,0.12); color: var(--color-blue); }
.status-blocked { background: rgba(255,59,48,0.12); color: var(--color-red); }
.status-converted { background: rgba(52,199,89,0.12); color: var(--color-green); }
.status-opted_out { background: rgba(255,149,0,0.12); color: var(--color-orange); }
.status-queued { background: var(--color-divider); color: var(--color-text-secondary); }
.status-running { background: rgba(0,122,255,0.12); color: var(--color-blue); }
.status-paused { background: rgba(255,149,0,0.12); color: var(--color-orange); }
.status-done { background: rgba(52,199,89,0.12); color: var(--color-green); }
.status-failed { background: rgba(255,59,48,0.12); color: var(--color-red); }

/* === Tier 灰度提示横幅 === */
.tier-banner {
    display: flex; gap: var(--gap-3);
    padding: var(--gap-3) var(--gap-4);
    border-radius: var(--radius-md);
    background: rgba(255, 149, 0, 0.08);
    color: #b06400;
    font-size: 12px;
    border: 1px solid rgba(255, 149, 0, 0.2);
    margin-bottom: var(--gap-4);
}
@media (prefers-color-scheme: dark) { .tier-banner { color: #ffb84d; } }

/* === Stat row（小卡片成行） === */
.stat-row {
    display: flex;
    gap: var(--gap-3);
    flex-wrap: wrap;
    margin-bottom: var(--gap-4);
}
.stat-pill {
    padding: 6px 12px;
    border-radius: 999px;
    background: var(--color-divider);
    font-size: 12px;
    color: var(--color-text-secondary);
}
.stat-pill strong { color: var(--color-text); margin-left: 4px; }

/* === Agents Hub grid === */
.agents-grid {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 16px;
}
@media (max-width: 1200px) {
    .agents-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
}
@media (max-width: 820px) {
    .agents-grid { grid-template-columns: 1fr; }
}

/* === 倒计时高亮 === */
.dday-pill {
    display: inline-flex; align-items: center; gap: 6px;
    padding: 4px 10px;
    border-radius: 980px;
    background: linear-gradient(135deg, var(--color-orange), var(--color-red));
    color: #fff;
    font-size: 11px; font-weight: 600;
    letter-spacing: 0.02em;
}
.dday-pill svg { width: 12px; height: 12px; }