/* ============================================================================
   保险产品对比系统 · 通用样式
   ============================================================================ */
:root {
    --bg: #0a0e1a;
    --bg-elev: #111827;
    --bg-card: #161e2e;
    --bg-input: #0f1623;
    --border: #1f2937;
    --border-strong: #334155;
    --text: #e5e7eb;
    --text-mute: #9ca3af;
    --text-soft: #6b7280;
    --accent: #d4af37;
    --accent-soft: #f5d57a;
    --c1: #60a5fa;
    --c2: #34d399;
    --c3: #f472b6;
    --pos: #10b981;
    --neg: #ef4444;
    --warn: #f59e0b;
}

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

html, body {
    background: var(--bg);
    color: var(--text);
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, "Segoe UI",
                 "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
    font-size: 14px;
    line-height: 1.5;
    min-height: 100vh;
    -webkit-font-smoothing: antialiased;
}

body::before {
    content: '';
    position: fixed; inset: 0;
    background:
        radial-gradient(1200px 600px at 80% -10%, rgba(212,175,55,0.08), transparent 60%),
        radial-gradient(900px 500px at -10% 100%, rgba(96,165,250,0.06), transparent 60%);
    pointer-events: none;
    z-index: 0;
}

a { color: var(--accent); text-decoration: none; }
a:hover { color: var(--accent-soft); }

/* 顶部导航栏 (登录后显示) */
.topnav {
    position: relative;
    z-index: 10;
    border-bottom: 1px solid var(--border);
    background: rgba(10, 14, 26, 0.8);
    backdrop-filter: blur(8px);
    padding: 14px 28px;
    display: flex;
    align-items: center;
    justify-content: space-between;
}
.topnav-brand {
    display: flex; align-items: baseline; gap: 12px;
}
.topnav-mark {
    font-family: "Times New Roman", "Songti SC", serif;
    font-size: 22px; font-weight: 600; letter-spacing: -0.02em;
    color: var(--accent);
}
.topnav-mark span { color: var(--text); font-weight: 300; }
.topnav-tag {
    font-size: 11px; letter-spacing: 0.15em; text-transform: uppercase;
    color: var(--text-soft); border-left: 1px solid var(--border-strong);
    padding-left: 12px;
}
.topnav-menu { display: flex; align-items: center; gap: 22px; }
.topnav-link {
    font-size: 13px; color: var(--text-mute); cursor: pointer;
    transition: color 0.15s;
}
.topnav-link:hover, .topnav-link.active { color: var(--accent); }
.topnav-user {
    display: flex; align-items: center; gap: 10px;
    padding-left: 22px; border-left: 1px solid var(--border-strong);
}
.topnav-user-name { font-size: 13px; color: var(--text); }
.topnav-user-role {
    font-size: 10px; color: var(--text-soft);
    text-transform: uppercase; letter-spacing: 0.08em;
}
.topnav-user-avatar {
    width: 32px; height: 32px; border-radius: 50%;
    background: linear-gradient(135deg, var(--accent), var(--accent-soft));
    color: #1a1a1a; font-weight: 700; font-size: 13px;
    display: flex; align-items: center; justify-content: center;
}

/* 通用按钮 */
.btn {
    background: var(--accent);
    color: #1a1a1a;
    border: none;
    padding: 10px 20px;
    border-radius: 6px;
    font-weight: 600;
    font-size: 13px;
    letter-spacing: 0.04em;
    cursor: pointer;
    transition: all 0.15s;
    font-family: inherit;
}
.btn:hover:not(:disabled) { background: var(--accent-soft); transform: translateY(-1px); }
.btn:disabled { opacity: 0.4; cursor: not-allowed; transform: none; }

.btn-ghost {
    background: transparent;
    color: var(--text-mute);
    border: 1px solid var(--border-strong);
}
.btn-ghost:hover:not(:disabled) {
    background: var(--bg-card); color: var(--text); transform: none;
}

.btn-danger {
    background: var(--neg);
    color: #fff;
}
.btn-danger:hover:not(:disabled) { background: #dc2626; }

.btn-sm { padding: 6px 12px; font-size: 12px; }

/* 通用输入 */
.input, .select {
    background: var(--bg-input);
    border: 1px solid var(--border);
    color: var(--text);
    padding: 9px 12px;
    border-radius: 5px;
    font-size: 13px;
    font-family: inherit;
    width: 100%;
    transition: border-color 0.15s;
}
.input:focus, .select:focus { outline: none; border-color: var(--accent); }

.field { display: flex; flex-direction: column; }
.field label {
    font-size: 11px; color: var(--text-soft);
    text-transform: uppercase; letter-spacing: 0.06em;
    margin-bottom: 5px;
}
.field .hint { font-size: 10px; color: var(--text-soft); margin-top: 4px; }

/* Toast 提示 */
.toast-container {
    position: fixed; top: 24px; right: 24px; z-index: 9999;
    display: flex; flex-direction: column; gap: 10px;
    pointer-events: none;
}
.toast {
    background: var(--bg-card);
    border: 1px solid var(--border-strong);
    border-radius: 6px;
    padding: 12px 18px;
    font-size: 13px;
    box-shadow: 0 4px 12px rgba(0,0,0,0.4);
    pointer-events: auto;
    min-width: 240px;
    max-width: 400px;
    animation: slideIn 0.2s ease-out;
}
.toast.success { border-left: 3px solid var(--pos); }
.toast.error { border-left: 3px solid var(--neg); }
.toast.warning { border-left: 3px solid var(--warn); }
@keyframes slideIn {
    from { transform: translateX(20px); opacity: 0; }
    to { transform: translateX(0); opacity: 1; }
}

/* 加载态 */
.loading {
    display: inline-block; width: 14px; height: 14px;
    border: 2px solid var(--border-strong);
    border-top-color: var(--accent);
    border-radius: 50%;
    animation: spin 0.8s linear infinite;
}
@keyframes spin { to { transform: rotate(360deg); } }

.muted { color: var(--text-soft); }