/**
 * 家長端 — 白天清爽主題
 * 設計哲學：「同一個品牌的白天與黑夜」
 * 主頁是夜晚的科技感，家長端是白天的清爽感，色彩基因相同但光線完全不同。
 *
 * Brand DNA (共享):
 *   --neon-blue: #00d4ff  → 日光版: #0ea5e9 (sky-500)
 *   --neon-purple: #a855f7 → 日光版: #8b5cf6 (violet-500)
 *   --neon-cyan: #00ffd5   → 日光版: #06b6d4 (cyan-500)
 */

:root {
    /* === Surface === */
    --p-bg: #f0f4f8;
    --p-bg-soft: #f8fafc;
    --p-surface: #ffffff;
    --p-surface-hover: #f1f5f9;

    /* === Brand (daylight versions of neon palette) === */
    --p-blue: #0ea5e9;
    --p-blue-deep: #0284c7;
    --p-blue-soft: #e0f2fe;
    --p-blue-ghost: rgba(14, 165, 233, 0.08);
    --p-purple: #8b5cf6;
    --p-purple-deep: #7c3aed;
    --p-purple-soft: #ede9fe;
    --p-cyan: #06b6d4;
    --p-cyan-deep: #0891b2;
    --p-cyan-soft: #cffafe;

    /* === Text (WCAG AA on white) === */
    --p-text: #0f172a;
    --p-text-secondary: #475569;
    --p-muted: #94a3b8;

    /* === Lines & Borders === */
    --p-border: #e2e8f0;
    --p-border-hover: #cbd5e1;

    /* === Semantic === */
    --p-success: #10b981;
    --p-success-soft: #d1fae5;
    --p-warning: #f59e0b;
    --p-warning-soft: #fef3c7;
    --p-danger: #ef4444;
    --p-danger-soft: #fee2e2;
    --p-info: #0ea5e9;
    --p-info-soft: #e0f2fe;

    /* === Shadows === */
    --p-shadow-sm: 0 1px 3px rgba(15, 23, 42, 0.06), 0 1px 2px rgba(15, 23, 42, 0.04);
    --p-shadow-md: 0 4px 16px rgba(15, 23, 42, 0.06), 0 2px 6px rgba(15, 23, 42, 0.04);
    --p-shadow-lg: 0 12px 40px rgba(15, 23, 42, 0.08), 0 4px 12px rgba(15, 23, 42, 0.04);
    --p-shadow-xl: 0 20px 60px rgba(15, 23, 42, 0.10), 0 8px 20px rgba(15, 23, 42, 0.06);

    /* === Radius (shared with main site) === */
    --p-radius-xl: 28px;
    --p-radius-lg: 22px;
    --p-radius-md: 16px;
    --p-radius-sm: 12px;
    --p-radius-full: 999px;

    /* === Font === */
    --p-font: 'PingFang TC', 'Microsoft JhengHei', 'Noto Sans TC', -apple-system, BlinkMacSystemFont, system-ui, sans-serif;

    /* === Focus ring === */
    --p-focus-ring: 0 0 0 3px rgba(14, 165, 233, 0.25);

    /* === Gradient accent (shared brand gradient) === */
    --p-gradient-brand: linear-gradient(135deg, var(--p-blue), var(--p-purple));
    --p-gradient-brand-soft: linear-gradient(135deg, var(--p-blue-soft), var(--p-purple-soft));
    --p-gradient-cyan-blue: linear-gradient(135deg, var(--p-cyan), var(--p-blue));
}

/* ======================== Reset ======================== */
*, *::before, *::after { box-sizing: border-box; }

body.parent-app {
    min-height: 100vh;
    margin: 0;
    color: var(--p-text);
    font-family: var(--p-font);
    background: var(--p-bg);
    -webkit-font-smoothing: antialiased;
}

a { color: var(--p-blue-deep); text-decoration: none; }
a:hover { color: var(--p-purple-deep); }

/* ======================== Shell ======================== */
.parent-shell {
    width: min(1180px, calc(100% - 32px));
    margin: 0 auto;
    padding: 24px 0 48px;
}

/* ======================== Nav Bar (Portal) ======================== */
.parent-nav {
    position: sticky;
    top: 0;
    z-index: 100;
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 12px 24px;
    background: rgba(255, 255, 255, 0.85);
    backdrop-filter: blur(20px) saturate(180%);
    border-bottom: 1px solid var(--p-border);
}

.parent-nav-logo {
    height: 40px;
    width: auto;
}

.parent-nav-actions {
    display: flex;
    gap: 10px;
    align-items: center;
}

/* ======================== Page Banner ======================== */
.page-banner {
    display: grid;
    gap: 20px;
    grid-template-columns: minmax(0, 1.2fr) auto;
    align-items: center;
    padding: 28px 32px;
    border-radius: var(--p-radius-xl);
    background: var(--p-surface);
    border: 1px solid var(--p-border);
    box-shadow: var(--p-shadow-md);
    margin-bottom: 20px;
    position: relative;
    overflow: hidden;
}

.page-banner::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: var(--p-gradient-brand);
}

.banner-copy h1 {
    margin: 6px 0 8px;
    font-size: clamp(1.8rem, 4vw, 2.6rem);
    line-height: 1.1;
    letter-spacing: -0.02em;
    font-weight: 800;
    color: var(--p-text);
}

.banner-kicker {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    color: var(--p-blue-deep);
    font-size: 0.9rem;
    font-weight: 700;
}

#bannerMemberName { color: var(--p-text); }

#bannerSubtitle {
    max-width: 56ch;
    font-size: 0.95rem;
    color: var(--p-text-secondary);
    margin: 0;
}

.banner-actions,
.auth-actions {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
    justify-content: flex-end;
}

/* ======================== Eyebrow ======================== */
.eyebrow {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 6px 14px;
    border-radius: var(--p-radius-full);
    font-size: 0.82rem;
    font-weight: 700;
    background: var(--p-blue-soft);
    color: var(--p-blue-deep);
    border: 1px solid rgba(14, 165, 233, 0.15);
}

.banner-copy p,
.auth-hero p,
.section-copy,
.muted-copy {
    margin: 0;
    color: var(--p-text-secondary);
}

/* ======================== Cards ======================== */
.surface-card {
    border-radius: var(--p-radius-xl);
    background: var(--p-surface);
    border: 1px solid var(--p-border);
    box-shadow: var(--p-shadow-sm);
    transition: box-shadow 0.2s ease, border-color 0.2s ease, transform 0.2s ease;
}

.panel {
    padding: 22px;
}

.home-notice-card,
.home-guidance-card {
    margin-bottom: 20px;
    border-left: 4px solid var(--p-blue);
}

.home-guidance-card {
    border-left-color: var(--p-purple);
}

.home-guidance-card {
    background: linear-gradient(135deg, rgba(237, 233, 254, 0.4), rgba(224, 242, 254, 0.4));
    border-color: rgba(139, 92, 246, 0.15);
    border-left-color: var(--p-purple);
}

.home-notice-card {
    background: linear-gradient(135deg, rgba(224, 242, 254, 0.5), rgba(207, 250, 254, 0.3));
    border-color: rgba(14, 165, 233, 0.15);
}

.home-notice-card h2,
.home-guidance-card h2 {
    margin: 10px 0 0;
}

.home-notice-content,
.home-guidance-content {
    white-space: pre-line;
    line-height: 1.7;
}

/* ======================== Buttons ======================== */
.parent-btn,
.parent-btn-secondary,
.parent-btn-ghost,
.parent-btn-nav,
.parent-btn-danger,
.segment-btn {
    appearance: none;
    border: none;
    border-radius: var(--p-radius-full);
    font-family: inherit;
    cursor: pointer;
    transition: transform 0.15s ease, box-shadow 0.15s ease, background 0.15s ease, border-color 0.15s ease, color 0.15s ease;
}

.parent-btn,
.parent-btn-secondary,
.parent-btn-ghost,
.parent-btn-nav,
.parent-btn-danger {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
    min-height: 46px;
    padding: 0 22px;
    border: 1px solid transparent;
    font-weight: 700;
    font-size: 0.92rem;
    letter-spacing: 0.01em;
    text-decoration: none;
}

.parent-btn {
    color: #fff;
    background: var(--p-gradient-brand);
    box-shadow: 0 4px 16px rgba(14, 165, 233, 0.25);
}

.parent-btn:hover {
    color: #fff;
    transform: translateY(-2px);
    box-shadow: 0 8px 24px rgba(14, 165, 233, 0.3);
}

.parent-btn i { font-size: 1rem; }

.parent-btn-secondary {
    color: #fff;
    background: var(--p-gradient-cyan-blue);
    box-shadow: 0 4px 16px rgba(6, 182, 212, 0.2);
}

.parent-btn-secondary:hover {
    color: #fff;
    transform: translateY(-2px);
    box-shadow: 0 8px 24px rgba(6, 182, 212, 0.25);
}

.parent-btn-ghost {
    color: var(--p-text);
    background: var(--p-surface);
    border-color: var(--p-border);
    box-shadow: var(--p-shadow-sm);
}

.parent-btn-ghost:hover {
    color: var(--p-text);
    background: var(--p-surface-hover);
    border-color: var(--p-border-hover);
    transform: translateY(-1px);
}

.parent-btn-nav {
    color: var(--p-blue-deep);
    background: var(--p-blue-soft);
    border-color: rgba(14, 165, 233, 0.18);
    box-shadow: var(--p-shadow-sm);
}

.parent-btn-nav:hover {
    color: var(--p-blue-deep);
    background: #fff;
    border-color: rgba(14, 165, 233, 0.3);
    transform: translateY(-1px);
    box-shadow: var(--p-shadow-md);
}

.parent-btn-danger {
    color: #fff;
    background: linear-gradient(135deg, #f87171, var(--p-danger));
    box-shadow: 0 4px 16px rgba(239, 68, 68, 0.2);
}

.parent-btn-danger:hover {
    color: #fff;
    transform: translateY(-2px);
    box-shadow: 0 8px 24px rgba(239, 68, 68, 0.25);
}

/* Focus visible */
.parent-btn:focus-visible,
.parent-btn-secondary:focus-visible,
.parent-btn-ghost:focus-visible,
.parent-btn-nav:focus-visible,
.parent-btn-danger:focus-visible,
.segment-btn:focus-visible,
.member-card:focus-visible,
.stat-card-button:focus-visible,
.text-link-btn:focus-visible {
    outline: none;
    box-shadow: var(--p-focus-ring);
}

/* Disabled */
.parent-btn:disabled,
.parent-btn-secondary:disabled,
.parent-btn-ghost:disabled,
.parent-btn-nav:disabled,
.parent-btn-danger:disabled,
.text-link-btn:disabled,
.segment-btn:disabled {
    opacity: 0.5;
    cursor: not-allowed;
    transform: none !important;
    box-shadow: none !important;
}

/* ======================== Stats Grid ======================== */
.stats-grid,
.support-grid,
.history-grid {
    display: grid;
    gap: 16px;
}

.stats-grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    margin-bottom: 20px;
}

.stat-card {
    display: flex;
    flex-direction: column;
    padding: 22px 24px;
    border-radius: var(--p-radius-lg);
    min-height: 172px;
    background: var(--p-surface);
    border: 1px solid var(--p-border);
    box-shadow: var(--p-shadow-sm);
}

.stat-card-static {
    position: relative;
    overflow: hidden;
}

.stat-card-static::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: var(--p-gradient-brand);
    opacity: 0.6;
}

.stat-card-static .stat-label {
    color: var(--p-blue-deep);
    font-weight: 700;
}

.stat-label {
    font-size: 0.88rem;
    color: var(--p-text-secondary);
    margin-bottom: 8px;
    font-weight: 600;
}

.stat-value {
    font-size: clamp(2rem, 5vw, 2.6rem);
    font-weight: 800;
    line-height: 1;
    color: var(--p-text);
}

.stat-note {
    margin-top: 10px;
    color: var(--p-muted);
    font-size: 0.88rem;
}

.stat-card-button {
    width: 100%;
    position: relative;
    overflow: hidden;
    align-items: flex-start;
    text-align: left;
    cursor: pointer;
    background: var(--p-surface);
    border: 1px solid var(--p-border);
    box-shadow: var(--p-shadow-sm);
    transition: transform 0.15s ease, box-shadow 0.15s ease, border-color 0.15s ease;
}

.stat-card-button::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: var(--p-gradient-brand);
}

.stat-card-button.is-notification-jump::before {
    background: var(--p-gradient-cyan-blue);
}

.stat-card-button .stat-label {
    color: var(--p-blue-deep);
    font-weight: 700;
}

.stat-card-button:hover {
    transform: translateY(-3px);
    box-shadow: var(--p-shadow-lg);
    border-color: var(--p-blue);
}

.stat-card-button.is-notification-jump:hover {
    border-color: var(--p-cyan);
}

.stat-card-button.is-notification-jump .stat-label,
.stat-card-button.is-notification-jump .stat-cta {
    color: var(--p-cyan-deep);
}

.stat-cta {
    margin-top: auto;
    padding-top: 16px;
    display: inline-flex;
    align-items: center;
    gap: 8px;
    color: var(--p-blue-deep);
    font-size: 0.9rem;
    font-weight: 700;
}

.stat-cta i {
    width: 28px;
    height: 28px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    border-radius: 50%;
    background: var(--p-blue-soft);
    border: 1px solid rgba(14, 165, 233, 0.15);
    transition: transform 0.15s ease;
}

.stat-card-button:hover .stat-cta i {
    transform: translateX(2px);
}

.panel-jump-highlight {
    animation: panelJumpHighlight 1.8s ease;
}

@keyframes panelJumpHighlight {
    0% { box-shadow: 0 0 0 0 rgba(14, 165, 233, 0.3); border-color: var(--p-blue); }
    35% { box-shadow: 0 0 0 10px rgba(14, 165, 233, 0.08); border-color: var(--p-blue); }
    100% { box-shadow: var(--p-shadow-sm); border-color: var(--p-border); }
}

/* ======================== Portal Grid ======================== */
.portal-grid {
    display: grid;
    grid-template-columns: minmax(280px, 320px) minmax(0, 1fr);
    gap: 18px;
    margin-bottom: 20px;
}

.section-head {
    display: flex;
    align-items: flex-start;
    justify-content: space-between;
    gap: 12px;
    margin-bottom: 16px;
}

.section-head h2,
.dialog-head h3 {
    margin: 0;
    font-size: 1.1rem;
    font-weight: 800;
    letter-spacing: -0.01em;
    color: var(--p-text);
}

.toolbar {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
    align-items: center;
    justify-content: flex-end;
}

/* ======================== Bind Section ======================== */
.bind-section {
    margin-bottom: 16px;
    padding: 18px;
    border-radius: var(--p-radius-md);
    background: linear-gradient(135deg, rgba(224, 242, 254, 0.6), rgba(207, 250, 254, 0.4));
    border: 1px solid rgba(14, 165, 233, 0.12);
}

.bind-section-head {
    display: flex;
    align-items: flex-start;
    justify-content: space-between;
    gap: 12px;
    margin-bottom: 14px;
}

.bind-section-head h3 {
    margin: 0 0 6px;
    font-size: 1rem;
    font-weight: 800;
}

.bind-form {
    display: grid;
    gap: 12px;
}

/* ======================== Chips ======================== */
.soft-chip,
.status-chip {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    min-height: 28px;
    padding: 0 12px;
    border-radius: var(--p-radius-full);
    font-size: 0.8rem;
    font-weight: 700;
}

.soft-chip {
    color: var(--p-blue-deep);
    background: var(--p-blue-soft);
    border: 1px solid rgba(14, 165, 233, 0.12);
}

.soft-chip.is-accent {
    color: var(--p-cyan-deep);
    background: var(--p-cyan-soft);
    border-color: rgba(6, 182, 212, 0.15);
}

.soft-chip.is-neutral {
    color: var(--p-text-secondary);
    background: var(--p-bg-soft);
    border-color: var(--p-border);
}

.status-chip.is-success {
    background: var(--p-success-soft);
    color: var(--p-success);
}

.status-chip.is-warning {
    background: var(--p-warning-soft);
    color: #b45309;
    box-shadow: inset 0 0 0 1px rgba(245, 158, 11, 0.15);
}

.status-chip.is-danger {
    background: var(--p-danger-soft);
    color: var(--p-danger);
    box-shadow: inset 0 0 0 1px rgba(239, 68, 68, 0.15);
}

.status-chip.is-info {
    background: var(--p-info-soft);
    color: var(--p-info);
}

.status-chip.is-neutral {
    background: var(--p-bg);
    color: var(--p-text-secondary);
}

/* ======================== Member List ======================== */
.member-list,
.stack-list {
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.member-card,
.history-card,
.message-card,
.empty-state,
.summary-block {
    border-radius: var(--p-radius-md);
}

.member-card {
    width: 100%;
    position: relative;
    overflow: hidden;
    padding: 18px;
    text-align: left;
    border: 1px solid var(--p-border);
    background: var(--p-surface);
    box-shadow: var(--p-shadow-sm);
    cursor: pointer;
    transition: border-color 0.15s ease, box-shadow 0.15s ease, transform 0.15s ease;
}

.member-card::before {
    content: '';
    position: absolute;
    top: 0;
    bottom: 0;
    left: 0;
    width: 4px;
    background: var(--p-gradient-brand);
    opacity: 0.5;
    transition: opacity 0.15s ease;
}

.member-card:hover,
.member-card.is-active {
    transform: translateY(-2px);
    box-shadow: var(--p-shadow-md);
}

.member-card:hover { border-color: var(--p-blue); }
.member-card:hover::before { opacity: 1; }

.member-card.is-active {
    background: linear-gradient(135deg, rgba(224, 242, 254, 0.5), rgba(207, 250, 254, 0.3));
    border-color: var(--p-blue);
    box-shadow: var(--p-shadow-md);
}

.member-card.is-active::before { opacity: 1; }

.member-card-title,
.history-title {
    font-size: 1rem;
    font-weight: 800;
    margin: 0 0 6px;
}

.member-card-meta,
.history-meta,
.tiny-copy {
    display: flex;
    flex-wrap: wrap;
    gap: 8px 14px;
    color: var(--p-text-secondary);
    font-size: 0.9rem;
}

.member-card-tags,
.meta-list,
.permission-list,
.detail-list,
.action-row {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
}

.member-card-tags { margin-top: 12px; }

.member-card-footer {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 12px;
    margin-top: 14px;
    padding-top: 12px;
    border-top: 1px dashed var(--p-border);
}

.member-card-affordance {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    color: var(--p-blue-deep);
    font-size: 0.9rem;
    font-weight: 700;
}

.member-card-affordance i {
    width: 28px;
    height: 28px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    border-radius: 50%;
    background: var(--p-blue-soft);
    border: 1px solid rgba(14, 165, 233, 0.12);
}

.member-card.is-active .member-card-affordance {
    color: var(--p-cyan-deep);
}

.member-card-arrow {
    color: var(--p-blue);
    font-size: 1.1rem;
    transition: transform 0.15s ease;
}

.member-card:hover .member-card-arrow,
.member-card.is-active .member-card-arrow {
    transform: translateX(2px);
}

.member-card.is-active .member-card-arrow { color: var(--p-cyan); }

/* ======================== Summary ======================== */
.summary-layout {
    display: grid;
    grid-template-columns: minmax(0, 1.1fr) minmax(280px, 0.9fr);
    gap: 16px;
}

.summary-block {
    padding: 18px;
    background: var(--p-bg-soft);
    border: 1px solid var(--p-border);
}

.summary-block h3,
.detail-panel h3 {
    margin: 0 0 10px;
    font-size: 1rem;
    font-weight: 800;
}

.child-name {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: 10px;
    margin-bottom: 10px;
}

.child-name strong {
    font-size: 1.4rem;
    letter-spacing: -0.02em;
}

.fact-grid {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 12px;
}

.fact-card {
    padding: 14px;
    border-radius: var(--p-radius-sm);
    background: var(--p-surface);
    border: 1px solid var(--p-border);
}

.fact-label {
    color: var(--p-text-secondary);
    font-size: 0.85rem;
    margin-bottom: 5px;
}

.fact-value {
    font-size: 1.15rem;
    font-weight: 800;
}

/* ======================== History ======================== */
.history-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
}

.history-card,
.message-card {
    padding: 16px;
    background: var(--p-surface);
    border: 1px solid var(--p-border);
    box-shadow: var(--p-shadow-sm);
}

.interactive-row-card {
    border-color: var(--p-border);
    background: var(--p-surface);
    transition: transform 0.15s ease, box-shadow 0.15s ease, border-color 0.15s ease;
}

.interactive-row-card:hover {
    transform: translateY(-2px);
    box-shadow: var(--p-shadow-md);
    border-color: var(--p-blue);
}

.interactive-row-card:has(.text-link-btn.is-danger:hover) {
    border-color: var(--p-danger);
}

.message-card.is-unread {
    border-color: var(--p-blue);
    background: linear-gradient(135deg, rgba(224, 242, 254, 0.5), rgba(237, 233, 254, 0.3));
    box-shadow: inset 0 0 0 1px rgba(14, 165, 233, 0.06), var(--p-shadow-sm);
}

.signup-opportunity-card {
    position: relative;
    overflow: hidden;
    padding: 16px;
    border-radius: var(--p-radius-md);
    background: var(--p-surface);
    border: 1px solid var(--p-border);
    box-shadow: var(--p-shadow-sm);
}

.signup-opportunity-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: var(--p-gradient-brand);
}

.signup-opportunity-head,
.signup-opportunity-footer {
    display: flex;
    justify-content: space-between;
    gap: 14px;
}

.signup-opportunity-copy { margin-top: 10px; }
.signup-opportunity-hint { margin-top: 10px; }

.signup-opportunity-footer {
    align-items: flex-end;
    margin-top: 16px;
    padding-top: 14px;
    border-top: 1px dashed var(--p-border);
}

.signup-opportunity-meta {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
    align-items: center;
}

.signup-action-btn { min-width: 156px; }

.history-copy,
.message-copy {
    margin: 8px 0 0;
    color: var(--p-text-secondary);
    line-height: 1.6;
}

.history-card-copy { margin-top: 10px; }

.history-actions,
.message-actions {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
    margin-top: 12px;
    padding-top: 12px;
    border-top: 1px dashed var(--p-border);
    align-items: center;
}

.compact-history-foot { display: flex; }

.compact-history-foot .parent-btn-nav {
    width: 100%;
    justify-content: space-between;
}

/* ======================== Text Link Buttons ======================== */
.text-link-btn {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    min-height: 36px;
    padding: 0 14px;
    border: 1px solid var(--p-border);
    border-radius: var(--p-radius-full);
    background: var(--p-surface);
    color: var(--p-blue-deep);
    font-family: inherit;
    font-weight: 700;
    font-size: 0.88rem;
    cursor: pointer;
    box-shadow: var(--p-shadow-sm);
    transition: transform 0.15s ease, box-shadow 0.15s ease, border-color 0.15s ease, background 0.15s ease, color 0.15s ease;
}

.text-link-btn:hover {
    transform: translateY(-1px);
    color: var(--p-blue-deep);
    background: var(--p-blue-soft);
    border-color: rgba(14, 165, 233, 0.3);
    box-shadow: var(--p-shadow-md);
}

.text-link-btn.is-danger {
    color: var(--p-danger);
    background: var(--p-danger-soft);
    border-color: rgba(239, 68, 68, 0.15);
}

.text-link-btn.is-danger:hover {
    color: #dc2626;
    border-color: rgba(239, 68, 68, 0.3);
    background: #fff;
}

.text-link-btn i { font-size: 0.9rem; }

/* ======================== Notification Toggle ======================== */
.notification-toggle-row {
    display: flex;
    justify-content: center;
    padding-top: 0.5rem;
    border-top: 1px solid var(--border-subtle);
    margin-top: 0.5rem;
}

.notification-toggle-row .parent-btn-nav {
    font-size: 0.85rem;
    padding: 0.35rem 1rem;
}

/* ======================== Support Grid ======================== */
.support-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
}

/* ======================== Segment Group ======================== */
.segment-group {
    display: inline-flex;
    gap: 4px;
    padding: 4px;
    background: var(--p-bg-soft);
    border: 1px solid var(--p-border);
    border-radius: var(--p-radius-full);
}

.segment-btn {
    min-height: 36px;
    padding: 0 16px;
    border-radius: var(--p-radius-full);
    color: var(--p-text-secondary);
    border: 1px solid transparent;
    background: transparent;
    font-family: inherit;
    font-weight: 700;
    font-size: 0.85rem;
}

.segment-btn:hover {
    color: var(--p-blue-deep);
    background: var(--p-surface);
}

.segment-btn.is-active {
    color: #fff;
    background: var(--p-gradient-brand);
    box-shadow: 0 2px 8px rgba(14, 165, 233, 0.2);
}

/* ======================== Alerts ======================== */
.inline-alert {
    margin-bottom: 18px;
    padding: 14px 18px;
    border-radius: var(--p-radius-md);
    font-weight: 600;
    font-size: 0.92rem;
    border: 1px solid transparent;
}

.inline-alert.is-danger {
    color: #991b1b;
    background: var(--p-danger-soft);
    border-color: rgba(239, 68, 68, 0.15);
}

.inline-alert.is-success {
    color: #065f46;
    background: var(--p-success-soft);
    border-color: rgba(16, 185, 129, 0.15);
}

.inline-alert.is-warning {
    color: #92400e;
    background: var(--p-warning-soft);
    border-color: rgba(245, 158, 11, 0.15);
}

.inline-alert.is-info {
    color: #075985;
    background: var(--p-info-soft);
    border-color: rgba(14, 165, 233, 0.15);
}

/* ======================== Empty State ======================== */
.empty-state {
    padding: 28px 18px;
    text-align: center;
    color: var(--p-muted);
    background: var(--p-bg-soft);
    border: 1px dashed var(--p-border);
}

.mono {
    font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
}

/* ======================== Detail Overlay / Modal ======================== */
.detail-overlay {
    position: fixed;
    inset: 0;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 18px;
    background: rgba(15, 23, 42, 0.3);
    backdrop-filter: blur(8px);
    opacity: 0;
    pointer-events: none;
    transition: opacity 0.2s ease;
    z-index: 1000;
}

.detail-overlay.is-open {
    opacity: 1;
    pointer-events: auto;
}

.detail-dialog {
    width: min(780px, 100%);
    max-height: min(88vh, 860px);
    overflow: auto;
    border-radius: var(--p-radius-xl);
    padding: 24px;
    background: var(--p-surface);
    border: 1px solid var(--p-border);
    box-shadow: var(--p-shadow-xl);
}

.dialog-head {
    display: flex;
    align-items: flex-start;
    justify-content: space-between;
    gap: 12px;
    margin-bottom: 18px;
}

.dialog-close {
    width: 40px;
    height: 40px;
    padding: 0;
}

.dialog-body {
    display: flex;
    flex-direction: column;
    gap: 16px;
}

.detail-panel {
    padding: 16px;
    border-radius: var(--p-radius-md);
    background: var(--p-bg-soft);
    border: 1px solid var(--p-border);
}

.detail-panel pre {
    margin: 0;
    white-space: pre-wrap;
    font: inherit;
    line-height: 1.7;
    color: var(--p-text);
}

/* ======================== Forms ======================== */
.form-field {
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.form-field label {
    font-weight: 700;
    font-size: 0.92rem;
}

.parent-input,
.parent-select,
.auth-card .form-control {
    width: 100%;
    min-height: 48px;
    padding: 12px 16px;
    border-radius: var(--p-radius-sm);
    border: 1px solid var(--p-border);
    background: var(--p-surface);
    color: var(--p-text);
    font-family: inherit;
    font-size: 0.95rem;
    transition: border-color 0.15s ease, box-shadow 0.15s ease;
}

.parent-input:focus,
.parent-select:focus,
.auth-card .form-control:focus {
    outline: none;
    border-color: var(--p-blue);
    box-shadow: var(--p-focus-ring);
}

.form-help {
    color: var(--p-text-secondary);
    font-size: 0.85rem;
}

.modal-action-row { margin-top: 16px; }

/* ======================== History Filter ======================== */
.history-filter-shell {
    margin-bottom: 16px;
    padding: 14px;
    border-radius: var(--p-radius-md);
    background: var(--p-bg-soft);
    border: 1px solid var(--p-border);
}

.history-filter-grid {
    display: grid;
    grid-template-columns: minmax(0, 1.7fr) repeat(2, minmax(0, 170px)) auto;
    gap: 12px;
    align-items: end;
}

.filter-field {
    display: flex;
    flex-direction: column;
    gap: 6px;
}

.filter-field label {
    color: var(--p-text-secondary);
    font-size: 0.85rem;
    font-weight: 700;
}

.filter-field-wide { min-width: 0; }
.history-filter-reset { white-space: nowrap; }

/* ======================== Auth (Login Page) ======================== */
.auth-layout {
    min-height: 100vh;
    display: grid;
    place-items: center;
    padding: 24px 16px;
    background:
        radial-gradient(circle at top left, rgba(224, 242, 254, 0.7), transparent 40%),
        radial-gradient(circle at top right, rgba(237, 233, 254, 0.6), transparent 40%),
        radial-gradient(circle at bottom center, rgba(207, 250, 254, 0.4), transparent 35%),
        var(--p-bg);
}

.auth-shell {
    width: min(1080px, 100%);
    display: grid;
    grid-template-columns: minmax(0, 1fr) minmax(320px, 420px);
    gap: 20px;
    align-items: stretch;
}

.auth-card,
.auth-side {
    border-radius: var(--p-radius-xl);
}

.auth-card {
    padding: 36px;
    background: var(--p-surface);
    border: 1px solid var(--p-border);
    box-shadow: var(--p-shadow-lg);
    position: relative;
    overflow: hidden;
}

.auth-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: var(--p-gradient-brand);
}

.auth-side {
    padding: 26px;
    background: linear-gradient(180deg, rgba(224, 242, 254, 0.6), rgba(237, 233, 254, 0.4));
    border: 1px solid var(--p-border);
    box-shadow: var(--p-shadow-md);
}

.auth-hero {
    margin-bottom: 28px;
}

.auth-hero h1 {
    margin: 8px 0 10px;
    font-size: clamp(1.8rem, 4vw, 2.4rem);
    line-height: 1.15;
    font-weight: 800;
    color: var(--p-text);
}

.auth-form {
    display: flex;
    flex-direction: column;
    gap: 16px;
}

.auth-form .parent-btn { margin-top: 8px; }

.info-stack {
    display: flex;
    flex-direction: column;
    gap: 14px;
}

.info-card {
    padding: 18px;
    border-radius: var(--p-radius-md);
    background: var(--p-surface);
    border: 1px solid var(--p-border);
    box-shadow: var(--p-shadow-sm);
}

.info-card h2,
.info-card h3 {
    margin: 0 0 8px;
    font-size: 1rem;
    font-weight: 800;
}

.feature-list {
    display: flex;
    flex-direction: column;
    gap: 10px;
    margin: 0;
    padding: 0;
    list-style: none;
}

.feature-list li {
    display: flex;
    gap: 10px;
    align-items: flex-start;
    color: var(--p-text);
}

.feature-dot {
    width: 28px;
    height: 28px;
    flex: 0 0 28px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    border-radius: 50%;
    background: var(--p-blue-soft);
    color: var(--p-blue-deep);
}

.small-links {
    display: flex;
    flex-wrap: wrap;
    gap: 12px 18px;
    margin-top: 18px;
}

.is-hidden { display: none !important; }

/* ======================== Logo Animation ======================== */
.auth-logo-wrap {
    text-align: center;
    margin-bottom: 8px;
    opacity: 0;
    animation: fadeIn 0.6s 0.2s forwards;
}

.auth-logo {
    max-width: 200px;
    height: auto;
}

/* ======================== Public Popup ======================== */
.parent-public-popup-overlay {
    position: fixed;
    inset: 0;
    z-index: 100000;
    display: grid;
    place-items: center;
    padding: 18px;
    background: rgba(15, 23, 42, 0.58);
    backdrop-filter: blur(14px);
}

.parent-public-popup-dialog {
    width: min(92vw, 560px);
    padding: 24px;
    border-radius: 28px;
    border: 1px solid rgba(15, 76, 117, 0.16);
    background:
        radial-gradient(circle at top left, rgba(14, 165, 233, 0.18), transparent 34%),
        linear-gradient(180deg, rgba(255, 255, 255, 0.98), rgba(239, 246, 255, 0.96));
    box-shadow: 0 28px 72px rgba(15, 23, 42, 0.24);
}

.parent-public-popup-head {
    display: flex;
    justify-content: space-between;
    gap: 16px;
    align-items: flex-start;
    margin-bottom: 16px;
}

.parent-public-popup-kicker {
    display: inline-flex;
    margin-bottom: 8px;
    padding: 5px 10px;
    border-radius: 999px;
    background: rgba(14, 165, 233, 0.12);
    color: #0369a1;
    font-size: 0.78rem;
    font-weight: 800;
    letter-spacing: 0.08em;
}

.parent-public-popup-urgent .parent-public-popup-kicker {
    background: rgba(220, 38, 38, 0.12);
    color: #b91c1c;
}

.parent-public-popup-important .parent-public-popup-kicker {
    background: rgba(217, 119, 6, 0.13);
    color: #b45309;
}

.parent-public-popup-head h2 {
    margin: 0;
    font-size: clamp(1.35rem, 4vw, 2rem);
    font-weight: 900;
    color: #0f172a;
}

.parent-public-popup-close {
    flex: 0 0 auto;
    min-height: 40px;
}

.parent-public-popup-body {
    color: #334155;
    font-size: 1rem;
    line-height: 1.85;
}

.parent-public-popup-meta {
    margin-top: 16px;
    color: #64748b;
    font-size: 0.86rem;
}

.parent-public-popup-actions {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
    justify-content: flex-end;
    margin-top: 22px;
}

@keyframes fadeIn {
    from { opacity: 0; transform: translateY(12px); }
    to { opacity: 1; transform: translateY(0); }
}

/* ======================== Responsive ======================== */
@media (max-width: 980px) {
    .page-banner,
    .portal-grid,
    .summary-layout,
    .support-grid,
    .history-grid,
    .auth-shell {
        grid-template-columns: 1fr;
    }

    .banner-actions { justify-content: flex-start; }
}

@media (max-width: 720px) {
    .parent-shell {
        width: min(100% - 24px, 100%);
        padding-top: 18px;
        padding-bottom: 28px;
    }

    .page-banner,
    .auth-card,
    .panel,
    .detail-dialog,
    .parent-public-popup-dialog,
    .auth-side {
        padding: 18px;
    }

    .parent-nav {
        padding: 10px 16px;
    }

    .parent-nav-logo {
        height: 32px;
    }

    .stats-grid {
        grid-template-columns: 1fr;
    }

    .fact-grid {
        grid-template-columns: 1fr;
    }

    .toolbar,
    .section-head,
    .bind-section-head {
        align-items: stretch;
    }

    .toolbar { justify-content: flex-start; }

    .signup-opportunity-head,
    .signup-opportunity-footer,
    .history-filter-grid {
        flex-direction: column;
        align-items: stretch;
    }

    .signup-action-btn { width: 100%; }

    .history-filter-grid { display: flex; }
    .history-filter-reset { width: 100%; }
}

@media (max-width: 480px) {
    .page-banner { padding: 16px; }
    .page-banner::before { height: 3px; }
    .auth-card::before { height: 3px; }

    .banner-copy h1 { font-size: 1.5rem; }

    .parent-btn,
    .parent-btn-secondary,
    .parent-btn-ghost,
    .parent-btn-nav,
    .parent-btn-danger {
        min-height: 44px;
        font-size: 0.88rem;
    }
}