:root {
    --parent-blue: #1557ff;
    --parent-dark: #0d1b4c;
    --parent-green: #34a853;
    --parent-bg: #f5f7fb;
    --parent-card: #ffffff;
    --parent-muted: #657294;
    --parent-line: #dbe5f5;
    --parent-red: #e54848;
    --parent-shadow: 0 18px 45px rgba(13, 27, 76, .12);
}

* { box-sizing: border-box; }

[hidden] {
    display: none !important;
}

html { background: var(--parent-bg); }

body {
    background: var(--parent-bg);
    color: var(--parent-dark);
    font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
    margin: 0;
}

button,
input,
select {
    font: inherit;
}

button {
    cursor: pointer;
}

.parent-app {
    min-height: 100vh;
}

.parent-loading {
    align-items: center;
    background: linear-gradient(180deg, #f5f7fb, #eaf1ff);
    inset: 0;
    justify-content: center;
    padding: 24px;
    position: fixed;
    z-index: 60;
}

.parent-loading,
.parent-loading div {
    display: flex;
}

.parent-loading div {
    align-items: center;
    background: #fff;
    border: 1px solid var(--parent-line);
    border-radius: 26px;
    box-shadow: var(--parent-shadow);
    flex-direction: column;
    gap: 9px;
    max-width: 320px;
    padding: 28px 22px;
    text-align: center;
    width: 100%;
}

.parent-loading img {
    animation: parentPulse 1.15s ease-in-out infinite alternate;
    height: 62px;
    width: 62px;
}

.parent-loading strong {
    font-size: 18px;
    font-weight: 950;
}

.parent-loading span {
    color: var(--parent-muted);
    font-size: 13px;
    line-height: 1.35;
}

.parent-loading.is-hidden {
    opacity: 0;
    pointer-events: none;
    transition: opacity .22s ease;
}

@keyframes parentPulse {
    from { transform: scale(.94); }
    to { transform: scale(1.04); }
}

.parent-access {
    display: grid;
    min-height: 100vh;
    padding: 18px;
    place-items: center;
}

.parent-phone-frame,
.parent-shell {
    background: var(--parent-card);
    border: 1px solid var(--parent-line);
    border-radius: 30px;
    box-shadow: var(--parent-shadow);
    max-width: 430px;
    overflow: hidden;
    width: 100%;
}

.parent-phone-frame {
    padding: 26px 22px;
    text-align: center;
}

.parent-brand {
    align-items: center;
    display: inline-flex;
    gap: 10px;
    justify-content: center;
    margin-bottom: 18px;
}

.parent-brand img {
    height: 52px;
    width: 52px;
}

.parent-brand strong,
.parent-brand small {
    display: block;
    line-height: 1;
    text-align: left;
}

.parent-brand strong {
    font-size: 24px;
    font-weight: 950;
}

.parent-brand small {
    color: var(--parent-blue);
    font-size: 17px;
    font-weight: 900;
}

.parent-access-art {
    border-radius: 24px;
    display: block;
    height: 190px;
    margin: 0 auto 18px;
    object-fit: cover;
    width: 100%;
}

.parent-access h1 {
    font-size: 23px;
    letter-spacing: 0;
    line-height: 1.14;
    margin: 0 0 10px;
}

.parent-access p,
.parent-muted {
    color: var(--parent-muted);
    line-height: 1.45;
}

.parent-token-form {
    display: grid;
    gap: 10px;
    margin-top: 18px;
    text-align: left;
}

.parent-token-form label {
    color: var(--parent-dark);
    font-size: 12px;
    font-weight: 900;
    text-transform: uppercase;
}

.parent-token-form input,
.parent-select {
    background: #f8fbff;
    border: 1px solid var(--parent-line);
    border-radius: 16px;
    color: var(--parent-dark);
    outline: none;
    padding: 14px;
    width: 100%;
}

.parent-token-form button,
.parent-primary-btn {
    background: var(--parent-blue);
    border: 0;
    border-radius: 16px;
    color: #fff;
    font-weight: 900;
    min-height: 50px;
    padding: 0 18px;
    width: 100%;
}

.parent-code-notice {
    background: #eef4ff;
    border: 1px solid #dbe5f5;
    border-radius: 16px;
    color: var(--parent-dark);
    font-size: 13px;
    font-weight: 800;
    line-height: 1.35;
    padding: 12px;
    text-align: center;
}

.parent-link-btn {
    background: transparent !important;
    border: 0 !important;
    color: var(--parent-blue) !important;
    font-size: 13px;
    font-weight: 900;
    min-height: 36px !important;
    padding: 0 !important;
}

.parent-support-card {
    background: #f8fbff;
    border: 1px solid var(--parent-line);
    border-radius: 18px;
    display: grid;
    gap: 10px;
    margin-top: 12px;
    padding: 14px;
}

.parent-support-card strong {
    display: block;
    font-size: 15px;
}

.parent-support-card p {
    color: var(--parent-muted);
    font-size: 13px;
    line-height: 1.4;
    margin: 0;
}

.parent-support-card ol {
    color: var(--parent-dark);
    display: grid;
    font-size: 13px;
    font-weight: 750;
    gap: 6px;
    line-height: 1.35;
    margin: 0;
    padding-left: 19px;
}

.parent-trust-row {
    color: var(--parent-dark);
    display: flex;
    font-size: 12px;
    font-weight: 850;
    gap: 10px;
    justify-content: center;
    margin-top: 18px;
}

.parent-trust-row span:before {
    color: var(--parent-green);
    content: "✓ ";
}

.parent-shell {
    border-radius: 0;
    box-shadow: none;
    margin: 0 auto;
    min-height: 100vh;
    padding-bottom: calc(82px + env(safe-area-inset-bottom));
}

.parent-topbar {
    align-items: center;
    background: linear-gradient(145deg, var(--parent-blue), #0d43c7);
    color: #fff;
    display: grid;
    gap: 10px;
    grid-template-columns: 44px 1fr 44px;
    padding: calc(16px + env(safe-area-inset-top)) 14px 22px;
    text-align: center;
}

.parent-topbar.is-home {
    align-items: end;
    grid-template-columns: 1fr 52px;
    padding: calc(18px + env(safe-area-inset-top)) 18px 18px;
    text-align: left;
}

.parent-topbar.is-home .parent-title-block {
    align-self: end;
}

.parent-topbar.is-home .parent-back-btn {
    display: none;
}

.parent-topbar.is-home .parent-icon-btn {
    align-self: center;
    justify-self: end;
    height: 52px;
    width: 52px;
}

.parent-topbar span,
.parent-topbar strong {
    display: block;
}

.parent-topbar span {
    font-size: 14px;
    opacity: .85;
}

.parent-topbar strong {
    font-size: 18px;
    line-height: 1.1;
}

.parent-topbar.is-home span {
    font-size: 20px;
    line-height: 1.18;
    opacity: .92;
}

.parent-topbar.is-home strong {
    font-size: 28px;
    line-height: 1.05;
    margin-top: 3px;
}

.parent-title-block {
    min-width: 0;
}

.parent-back-btn {
    background: rgba(255, 255, 255, .14);
    border: 1px solid rgba(255, 255, 255, .2);
    border-radius: 15px;
    color: #fff;
    font-size: 30px;
    font-weight: 650;
    height: 44px;
    line-height: 1;
    width: 44px;
}

.parent-back-btn[hidden] {
    display: block;
    opacity: 0;
    pointer-events: none;
}

.parent-icon-btn {
    background: rgba(255, 255, 255, .16);
    border: 1px solid rgba(255, 255, 255, .24);
    border-radius: 16px;
    color: #fff;
    height: 44px;
    width: 44px;
}

.parent-content {
    display: grid;
    gap: 14px;
    padding: 16px;
}

.parent-card {
    background: var(--parent-card);
    border: 1px solid var(--parent-line);
    border-radius: 22px;
    box-shadow: 0 12px 28px rgba(13, 27, 76, .07);
    padding: 16px;
}

.parent-student-card {
    margin-top: -26px;
    position: relative;
}

.parent-hero-card {
    background: linear-gradient(145deg, #1557ff, #0d43c7);
    border-radius: 0 0 28px 28px;
    color: #fff;
    display: grid;
    gap: 10px;
    grid-template-columns: 1fr 1fr;
    margin: -16px -16px 16px;
    padding: 18px 16px 44px;
}

.parent-hero-card div {
    background: rgba(255, 255, 255, .14);
    border: 1px solid rgba(255, 255, 255, .22);
    border-radius: 18px;
    padding: 12px;
}

.parent-hero-card span,
.parent-hero-card strong {
    display: block;
}

.parent-hero-card span {
    font-size: 12px;
    opacity: .86;
}

.parent-hero-card strong {
    font-size: 21px;
    margin-top: 3px;
}

.parent-student-row,
.parent-list-row,
.parent-notification,
.parent-responsible-row {
    align-items: center;
    display: grid;
    gap: 12px;
    grid-template-columns: 56px 1fr auto;
}

.parent-avatar {
    background: #eaf1ff;
    border: 3px solid #fff;
    border-radius: 50%;
    color: var(--parent-blue);
    display: grid;
    font-size: 22px;
    font-weight: 950;
    height: 56px;
    object-fit: cover;
    place-items: center;
    width: 56px;
}

.parent-student-row h2,
.parent-card h2,
.parent-card h3 {
    letter-spacing: 0;
    margin: 0;
}

.parent-student-row h2 {
    font-size: 18px;
}

.parent-small {
    color: var(--parent-muted);
    display: block;
    font-size: 12px;
    margin-top: 3px;
}

.parent-status-card {
    background: #f7fbff;
    border: 1px solid var(--parent-line);
    border-radius: 20px;
    margin-top: 14px;
    padding: 16px;
    text-align: center;
}

.parent-status-badge {
    align-items: center;
    border-radius: 999px;
    display: inline-flex;
    font-size: 15px;
    font-weight: 950;
    gap: 8px;
    padding: 9px 12px;
}

.parent-status-badge.in { background: #e9f8ee; color: var(--parent-green); }
.parent-status-badge.out { background: #edf3ff; color: var(--parent-blue); }
.parent-status-badge.pending { background: #fff6e6; color: #b16000; }
.parent-status-badge.incident { background: #ffecec; color: var(--parent-red); }

.parent-status-time {
    font-size: 30px;
    font-weight: 950;
    margin: 8px 0 2px;
}

.parent-grid-two {
    display: grid;
    gap: 10px;
    grid-template-columns: 1fr 1fr;
}

.parent-mini-card {
    background: #f8fbff;
    border: 1px solid var(--parent-line);
    border-radius: 18px;
    padding: 12px;
}

.parent-mini-card strong {
    display: block;
    font-size: 19px;
}

.parent-tabs {
    display: flex;
    gap: 8px;
    overflow-x: auto;
}

.parent-tabs button {
    background: #eef4ff;
    border: 0;
    border-radius: 999px;
    color: var(--parent-dark);
    font-size: 13px;
    font-weight: 900;
    padding: 10px 13px;
    white-space: nowrap;
}

.parent-tabs button.is-active {
    background: var(--parent-blue);
    color: #fff;
}

.parent-tabs b {
    background: #fff;
    border-radius: 999px;
    color: var(--parent-blue);
    display: inline-grid;
    font-size: 10px;
    height: 18px;
    margin-left: 4px;
    place-items: center;
    width: 18px;
}

.parent-sticky-card {
    background: rgba(255, 255, 255, .92);
    border: 1px solid var(--parent-line);
    border-radius: 18px;
    box-shadow: 0 8px 22px rgba(13, 27, 76, .06);
    padding: 12px;
    position: sticky;
    top: 8px;
    z-index: 5;
}

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

.parent-section-head h2,
.parent-section-head p {
    margin: 0;
}

.parent-section-head p {
    color: var(--parent-muted);
    font-size: 13px;
    line-height: 1.35;
    margin-top: 4px;
}

.parent-filter-btn {
    background: #eef4ff;
    border: 0;
    border-radius: 13px;
    color: var(--parent-blue);
    font-size: 12px;
    font-weight: 950;
    padding: 10px 12px;
}

.parent-timeline {
    display: grid;
    gap: 16px;
}

.parent-history-card {
    padding-bottom: 10px;
}

.parent-date-group {
    display: grid;
    gap: 10px;
    position: relative;
}

.parent-date-group > span {
    color: var(--parent-dark);
    font-size: 12px;
    font-weight: 950;
    margin-left: 46px;
    text-transform: uppercase;
}

.parent-timeline-item {
    display: grid;
    gap: 12px;
    grid-template-columns: 38px 1fr;
    position: relative;
}

.parent-timeline-item:before {
    background: #dce7f8;
    bottom: -16px;
    content: "";
    left: 18px;
    position: absolute;
    top: 38px;
    width: 2px;
}

.parent-date-group .parent-timeline-item:last-child:before {
    display: none;
}

.parent-timeline-dot {
    background: var(--parent-green);
    border-radius: 50%;
    color: #fff;
    display: grid;
    font-size: 14px;
    font-weight: 950;
    box-shadow: 0 8px 18px rgba(52, 168, 83, .22);
    height: 38px;
    place-items: center;
    width: 38px;
    z-index: 1;
}

.parent-timeline-dot.out { background: var(--parent-blue); }
.parent-timeline-dot.incident { background: var(--parent-red); }

.parent-timeline-body {
    background: #fff;
    border: 1px solid var(--parent-line);
    border-radius: 19px;
    box-shadow: 0 10px 24px rgba(13, 27, 76, .06);
    padding: 13px;
}

.parent-timeline-head {
    align-items: start;
    display: flex;
    gap: 10px;
    justify-content: space-between;
}

.parent-timeline-head span {
    color: var(--parent-blue);
    font-size: 12px;
    font-weight: 950;
    white-space: nowrap;
}

.parent-timeline-body p {
    color: var(--parent-muted);
    font-size: 12px;
    line-height: 1.42;
    margin: 6px 0 10px;
}

.parent-row-pills {
    display: flex;
    flex-wrap: wrap;
    gap: 6px;
}

.parent-badge {
    border-radius: 999px;
    display: inline-flex;
    font-size: 11px;
    font-weight: 950;
    padding: 6px 9px;
}

.parent-badge.ok { background: #e9f8ee; color: var(--parent-green); }
.parent-badge.info { background: #edf3ff; color: var(--parent-blue); }
.parent-badge.warn { background: #fff6e6; color: #b16000; }
.parent-badge.error { background: #ffecec; color: var(--parent-red); }

.parent-mini-btn {
    background: #eef4ff;
    border: 1px solid #dbe7ff;
    border-radius: 999px;
    color: var(--parent-blue);
    font-size: 12px;
    font-weight: 950;
    min-height: 34px;
    padding: 0 14px;
}

.parent-notification,
.parent-responsible-row,
.parent-list-row {
    background: #fff;
    border: 1px solid var(--parent-line);
    border-radius: 19px;
    box-shadow: 0 10px 24px rgba(13, 27, 76, .055);
    padding: 12px;
}

.parent-notification.is-unread {
    border-color: rgba(21, 87, 255, .35);
    box-shadow: 0 0 0 3px rgba(21, 87, 255, .06);
}

.parent-notification-icon {
    border-radius: 16px;
    color: #fff;
    display: grid;
    font-weight: 950;
    height: 44px;
    place-items: center;
    width: 44px;
}

.parent-notification-icon.checkin { background: var(--parent-green); }
.parent-notification-icon.checkout { background: var(--parent-blue); }
.parent-notification-icon.incident { background: var(--parent-red); }
.parent-notification-icon.notice { background: #667899; }

.parent-notification p {
    color: var(--parent-muted);
    font-size: 12px;
    line-height: 1.35;
    margin: 2px 0 0;
}

.parent-notification-head {
    display: grid;
    gap: 10px;
}

.parent-notification-head h2,
.parent-notification-head p {
    margin: 0;
}

.parent-list-stack {
    display: grid;
    gap: 10px;
}

.parent-profile-hero {
    background: linear-gradient(180deg, var(--parent-blue) 0%, #0d43c7 48%, transparent 49%);
    border-radius: 0 0 26px 26px;
    color: var(--parent-dark);
    margin: -16px -16px 0;
    padding: 26px 18px 0;
    text-align: center;
}

.parent-profile-avatar {
    display: grid;
    place-items: center;
}

.parent-profile-avatar .parent-avatar {
    border: 5px solid #fff;
    box-shadow: 0 16px 32px rgba(13, 27, 76, .18);
    font-size: 34px;
    height: 96px;
    width: 96px;
}

.parent-profile-hero h2 {
    font-size: 22px;
    letter-spacing: 0;
    margin: 12px 0 4px;
}

.parent-profile-hero p {
    color: var(--parent-muted);
    font-size: 13px;
    line-height: 1.4;
    margin: 0;
}

.parent-profile-hero > span {
    background: #eef4ff;
    border-radius: 999px;
    color: var(--parent-blue);
    display: inline-flex;
    font-size: 12px;
    font-weight: 950;
    margin-top: 10px;
    padding: 8px 12px;
}

.parent-info-list {
    display: grid;
    gap: 8px;
    margin-top: 12px;
}

.parent-info-list div {
    align-items: center;
    background: #f8fbff;
    border: 1px solid var(--parent-line);
    border-radius: 16px;
    display: flex;
    gap: 10px;
    justify-content: space-between;
    padding: 12px;
}

.parent-info-list span {
    color: var(--parent-muted);
    font-size: 12px;
    font-weight: 800;
}

.parent-info-list strong {
    font-size: 13px;
    text-align: right;
}

.parent-setting-row {
    align-items: center;
    border-bottom: 1px solid var(--parent-line);
    display: flex;
    gap: 12px;
    justify-content: space-between;
    padding: 14px 0;
}

.parent-setting-row:last-child { border-bottom: 0; }

.parent-setting-button {
    background: transparent;
    border-left: 0;
    border-right: 0;
    border-top: 0;
    color: var(--parent-dark);
    text-align: left;
    width: 100%;
}

.parent-secondary-btn {
    background: #eef4ff;
    border: 0;
    border-radius: 16px;
    color: var(--parent-blue);
    font-weight: 950;
    min-height: 50px;
    padding: 0 18px;
    width: 100%;
}

.parent-toggle {
    appearance: none;
    background: #d6dfef;
    border-radius: 999px;
    height: 28px;
    position: relative;
    width: 50px;
}

.parent-toggle:checked {
    background: var(--parent-green);
}

.parent-toggle:before {
    background: #fff;
    border-radius: 50%;
    content: "";
    height: 22px;
    left: 3px;
    position: absolute;
    top: 3px;
    transition: transform .18s ease;
    width: 22px;
}

.parent-toggle:checked:before {
    transform: translateX(22px);
}

.parent-bottom-nav {
    background: rgba(255, 255, 255, .96);
    border-top: 1px solid var(--parent-line);
    bottom: 0;
    box-shadow: 0 -12px 30px rgba(13, 27, 76, .08);
    display: grid;
    gap: 4px;
    grid-template-columns: repeat(5, 1fr);
    left: 50%;
    max-width: 430px;
    padding: 8px 8px calc(8px + env(safe-area-inset-bottom));
    position: fixed;
    transform: translateX(-50%);
    width: 100%;
    z-index: 20;
}

.parent-bottom-nav button {
    background: transparent;
    border: 0;
    border-radius: 15px;
    color: #5c6b8d;
    display: grid;
    font-size: 11px;
    font-weight: 900;
    gap: 3px;
    min-height: 54px;
    place-items: center;
}

.parent-bottom-nav span {
    font-size: 18px;
}

.parent-bottom-nav button.is-active {
    background: #eef4ff;
    color: var(--parent-blue);
}

.parent-toast {
    background: var(--parent-dark);
    border-radius: 16px;
    bottom: 92px;
    color: #fff;
    font-size: 13px;
    font-weight: 800;
    left: 50%;
    max-width: 360px;
    opacity: 0;
    padding: 12px 14px;
    pointer-events: none;
    position: fixed;
    transform: translate(-50%, 12px);
    transition: opacity .18s ease, transform .18s ease;
    width: calc(100% - 36px);
    z-index: 30;
}

.parent-toast.is-visible {
    opacity: 1;
    transform: translate(-50%, 0);
}

.parent-install-sheet {
    inset: 0;
    position: fixed;
    z-index: 70;
}

.parent-install-backdrop {
    background: rgba(13, 27, 76, .38);
    inset: 0;
    position: absolute;
}

.parent-install-panel {
    background: #fff;
    border-radius: 28px 28px 0 0;
    bottom: 0;
    box-shadow: 0 -20px 45px rgba(13, 27, 76, .18);
    display: grid;
    gap: 13px;
    left: 50%;
    max-width: 430px;
    padding: 12px 20px calc(20px + env(safe-area-inset-bottom));
    position: absolute;
    transform: translateX(-50%);
    width: 100%;
}

.parent-install-handle {
    background: #dbe5f5;
    border-radius: 999px;
    height: 5px;
    justify-self: center;
    width: 46px;
}

.parent-install-icon {
    background: #eef4ff;
    border-radius: 22px;
    color: var(--parent-blue);
    display: grid;
    font-size: 28px;
    font-weight: 950;
    height: 62px;
    place-items: center;
    width: 62px;
}

.parent-install-panel h2 {
    font-size: 24px;
    letter-spacing: 0;
    line-height: 1.1;
    margin: 0;
}

.parent-install-panel p {
    color: var(--parent-muted);
    font-size: 15px;
    line-height: 1.42;
    margin: 0;
}

.parent-install-panel ol {
    background: #f8fbff;
    border: 1px solid var(--parent-line);
    border-radius: 18px;
    color: var(--parent-dark);
    display: grid;
    font-size: 14px;
    font-weight: 800;
    gap: 9px;
    line-height: 1.35;
    margin: 0;
    padding: 14px 14px 14px 34px;
}

.parent-empty {
    color: var(--parent-muted);
    padding: 18px;
    text-align: center;
}

@media (min-width: 760px) {
    body {
        background:
            radial-gradient(circle at top left, rgba(21, 87, 255, .16), transparent 34rem),
            var(--parent-bg);
    }
    .parent-shell {
        border-radius: 34px;
        box-shadow: var(--parent-shadow);
        margin: 24px auto;
        min-height: calc(100vh - 48px);
    }
}