body.grades-page main.grades-flow {
    width: min(980px, 100%);
    margin: 0 auto;
    padding: 1.15rem 5% 0;
    display: grid;
    gap: 1rem;
    align-content: start;
}

.grades-intro {
    max-width: 700px;
    display: grid;
    gap: 0.5rem;
}

.grades-kicker {
    display: inline-flex;
    align-items: center;
    width: fit-content;
    min-height: 30px;
    padding: 0.34rem 0.78rem;
    border-radius: var(--radius-pill);
    background: var(--accent-soft);
    color: var(--accent-strong);
    font-size: 0.76rem;
    font-weight: 860;
}

.grades-title {
    margin: 0;
    font-size: clamp(1.72rem, 4vw, 2.4rem);
    line-height: 1.38;
    letter-spacing: -0.03em;
    font-weight: 930;
}

.grades-desc {
    margin: 0;
    color: var(--text-secondary);
    font-size: 0.92rem;
    line-height: 1.9;
}

.grades-auth-stage,
.grades-dashboard,
.grades-loading {
    display: grid;
    gap: 1rem;
}

.grades-auth-stage {
    grid-template-columns: minmax(0, 1.15fr) minmax(260px, 0.85fr);
    align-items: start;
}

.grades-auth-card,
.grades-auth-note,
.grades-panel,
.grades-owner-panel,
.grades-summary-card,
.grades-skeleton {
    border-radius: 28px;
    border: 1px solid var(--border-color);
    background: var(--surface);
    box-shadow: var(--surface-shadow);
    backdrop-filter: blur(14px);
}

.grades-auth-card {
    padding: 1rem;
    transition: transform 0.28s ease, opacity 0.28s ease, filter 0.28s ease;
}

.grades-flow[data-auth-state="transitioning"] .grades-auth-card,
.grades-flow[data-auth-state="loading"] .grades-auth-card {
    transform: translateY(-10px) scale(0.97);
    opacity: 0;
    filter: blur(10px);
}

.grades-auth-card__brand {
    display: grid;
    grid-template-columns: auto minmax(0, 1fr);
    align-items: center;
    gap: 0.9rem;
    margin-bottom: 1rem;
}

.grades-auth-card__logo,
.grades-profile__avatar {
    width: 76px;
    height: 76px;
    padding: 0.22rem;
    border-radius: 24px;
    background: linear-gradient(180deg, var(--surface-solid), var(--surface-muted));
    border: 1px solid var(--border-color);
    box-shadow: var(--surface-shadow);
}

.grades-auth-card__logo img,
.grades-profile__avatar img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    border-radius: 20px;
}

.grades-auth-card__eyebrow,
.grades-profile__eyebrow {
    display: inline-flex;
    align-items: center;
    width: fit-content;
    min-height: 26px;
    padding: 0.22rem 0.68rem;
    border-radius: var(--radius-pill);
    background: var(--accent-soft);
    color: var(--accent-strong);
    font-size: 0.72rem;
    font-weight: 840;
}

.grades-auth-card__copy h3,
.grades-profile__copy h2 {
    margin: 0.32rem 0 0;
    font-size: 1.16rem;
    line-height: 1.45;
    font-weight: 900;
}

.grades-auth-card__copy p,
.grades-profile__copy p,
.grades-panel__head p,
.grades-row__main p,
.password-note {
    margin: 0.18rem 0 0;
    color: var(--text-secondary);
    font-size: 0.82rem;
    line-height: 1.8;
}

.grades-auth-form label {
    display: block;
    margin: 0.78rem 0 0.34rem;
    font-size: 0.8rem;
    font-weight: 840;
}

.grades-auth-form--guard {
    display: grid;
    gap: 0.8rem;
}

.grades-auth-actions {
    display: flex;
    gap: 0.6rem;
    flex-wrap: wrap;
}

.grades-auth-note {
    padding: 1rem;
    align-content: start;
}

.grades-auth-note h3,
.grades-panel__head h3 {
    margin: 0;
    font-size: 0.94rem;
    font-weight: 880;
}

.grades-auth-note__list {
    margin: 0.85rem 0 0;
    display: grid;
    gap: 0.55rem;
    color: var(--text-secondary);
    font-size: 0.82rem;
    line-height: 1.8;
}

.grades-auth-note__list li {
    position: relative;
    padding-inline-start: 1rem;
}

.grades-auth-note__list li::before {
    content: "";
    position: absolute;
    inset-inline-start: 0;
    top: 0.72rem;
    width: 6px;
    height: 6px;
    border-radius: 50%;
    background: var(--accent-color);
}

body.grades-page .input-group {
    position: relative;
}

body.grades-page .input-group input {
    width: 100%;
    min-height: 48px;
    padding: 0.74rem 0.95rem 0.74rem 2.8rem;
    border-radius: 17px;
    border: 1px solid var(--border-color-strong);
    background: var(--surface-muted);
    color: var(--text-primary);
    transition: border-color 0.18s ease, box-shadow 0.18s ease, background 0.18s ease, transform 0.18s ease;
}

body.grades-page .input-group input::placeholder {
    color: var(--text-tertiary);
}

body.grades-page .input-group input:focus {
    border-color: var(--focus-ring);
    background: var(--surface-solid);
    box-shadow: 0 0 0 3px var(--focus-ring-soft);
}

body.grades-page .input-icon {
    position: absolute;
    inset-inline-start: 0.95rem;
    top: 50%;
    transform: translateY(-50%);
    color: var(--text-tertiary);
    font-size: 0.92rem;
    pointer-events: none;
}

body.grades-page .primary-btn,
body.grades-page .password-btn,
body.grades-page .secondary-btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-height: 44px;
    padding: 0.68rem 1rem;
    border-radius: 16px;
    font-weight: 840;
    transition: transform 0.18s ease, filter 0.18s ease, box-shadow 0.18s ease, background 0.18s ease, border-color 0.18s ease, opacity 0.18s ease;
}

body.grades-page .primary-btn,
body.grades-page .password-btn {
    border: 0;
    background: var(--btn-gradient);
    color: var(--text-on-accent);
    box-shadow: var(--btn-shadow);
}

body.grades-page .secondary-btn {
    border: 1px solid var(--border-color-strong);
    background: var(--surface-muted);
    color: var(--text-primary);
}

body.grades-page .secondary-btn-danger {
    color: var(--danger-color);
}

body.grades-page .primary-btn:hover:not(:disabled),
body.grades-page .password-btn:hover:not(:disabled),
body.grades-page .secondary-btn:hover:not(:disabled),
body.grades-page .primary-btn:focus-visible,
body.grades-page .password-btn:focus-visible,
body.grades-page .secondary-btn:focus-visible {
    transform: translateY(-1px);
}

body.grades-page .primary-btn:disabled,
body.grades-page .password-btn:disabled,
body.grades-page .secondary-btn:disabled {
    opacity: 0.58;
    cursor: default;
    box-shadow: none;
}

body.grades-page .primary-btn {
    width: 100%;
    margin-top: 0.9rem;
}

.grades-auth-actions .primary-btn,
.grades-auth-actions .secondary-btn {
    width: auto;
    margin-top: 0;
}

body.grades-page .feedback {
    min-height: 1.35rem;
    margin-top: 0.74rem;
    font-size: 0.82rem;
    text-align: center;
}

body.grades-page .feedback.error {
    color: var(--danger-color);
}

body.grades-page .feedback.success {
    color: var(--success-color);
}

.grades-dashboard {
    animation: grades-dashboard-in 0.34s ease;
}

.grades-dashboard__hero {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 1rem;
    padding: 1rem;
    border-radius: 28px;
    border: 1px solid var(--border-color);
    background: var(--surface);
    box-shadow: var(--surface-shadow);
}

.grades-profile {
    display: flex;
    align-items: center;
    gap: 0.9rem;
    min-width: 0;
}

.grades-profile__copy {
    min-width: 0;
}

.grades-dashboard__actions {
    display: flex;
    align-items: center;
    gap: 0.55rem;
    flex-wrap: wrap;
}

.grades-status-banner {
    padding: 0.72rem 0.9rem;
    border-radius: 18px;
    font-size: 0.82rem;
    border: 1px solid var(--border-color);
    background: var(--surface);
    color: var(--text-secondary);
}

.grades-status-banner.success {
    color: var(--success-color);
    background: color-mix(in srgb, var(--success-color) 14%, transparent);
    border-color: color-mix(in srgb, var(--success-color) 28%, transparent);
}

.grades-status-banner.error {
    color: var(--danger-color);
    background: color-mix(in srgb, var(--danger-color) 14%, transparent);
    border-color: color-mix(in srgb, var(--danger-color) 28%, transparent);
}

.grades-owner-panel {
    padding: 1rem;
    display: grid;
    gap: 0.9rem;
}

.grades-owner-panel__head {
    display: flex;
    align-items: flex-start;
    justify-content: space-between;
    gap: 0.8rem;
}

.grades-owner-panel__head h3,
.grades-owner-tool__head h4 {
    margin: 0;
    font-size: 0.96rem;
    font-weight: 900;
}

.grades-owner-panel__head p,
.grades-owner-tool__head p,
.grades-owner-hint {
    margin: 0.2rem 0 0;
    color: var(--text-secondary);
    font-size: 0.8rem;
    line-height: 1.85;
}

.grades-owner-panel__eyebrow {
    display: inline-flex;
    align-items: center;
    min-height: 26px;
    width: fit-content;
    margin-bottom: 0.34rem;
    padding: 0.22rem 0.68rem;
    border-radius: var(--radius-pill);
    background: var(--accent-soft);
    color: var(--accent-strong);
    font-size: 0.72rem;
    font-weight: 840;
}

.grades-owner-summary {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 0.65rem;
}

.grades-owner-summary-card,
.grades-owner-tool {
    border: 1px solid var(--border-color);
    border-radius: 20px;
    background: var(--surface-muted);
}

.grades-owner-summary-card {
    min-width: 0;
    padding: 0.78rem 0.85rem;
    display: grid;
    gap: 0.14rem;
}

.grades-owner-summary-card span {
    color: var(--text-tertiary);
    font-size: 0.72rem;
    font-weight: 820;
}

.grades-owner-summary-card strong {
    color: var(--text-primary);
    font-size: 1.02rem;
    line-height: 1.55;
    font-weight: 930;
}

.grades-owner-summary-card small {
    color: var(--text-secondary);
    font-size: 0.74rem;
    line-height: 1.7;
}

.grades-owner-summary-card.is-ok strong {
    color: var(--success-color);
}

.grades-owner-summary-card.is-warn strong {
    color: var(--warning-color);
}

.grades-owner-tools {
    display: grid;
    grid-template-columns: minmax(0, 1.1fr) minmax(280px, 0.9fr);
    gap: 0.75rem;
    align-items: start;
}

details.grades-owner-tool.site-disclosure {
    padding: 0;
    border: 0;
    background: transparent;
    box-shadow: none;
}

details.grades-owner-tool.site-disclosure > .site-disclosure__body {
    padding-top: 0.78rem;
    padding-inline: 0;
    padding-bottom: 0;
}

.grades-owner-tool {
    padding: 0.88rem;
    display: grid;
    gap: 0.68rem;
}

.grades-owner-tool label {
    display: block;
    margin: 0;
    color: var(--text-primary);
    font-size: 0.78rem;
    font-weight: 840;
}

.grades-owner-tool textarea,
.grades-owner-tool input,
.grades-owner-tool select {
    width: 100%;
    min-height: 48px;
    border: 1px solid var(--border-color-strong);
    border-radius: 16px;
    background: var(--surface-solid);
    color: var(--text-primary);
    font-size: 1rem;
}

.grades-owner-tool textarea {
    min-height: 150px;
    padding: 0.82rem 0.9rem;
    direction: ltr;
    text-align: left;
    resize: vertical;
    font-family: ui-monospace, SFMono-Regular, Consolas, "Liberation Mono", monospace;
    line-height: 1.7;
}

.grades-owner-tool input,
.grades-owner-tool select {
    padding: 0.68rem 0.82rem;
}

.grades-owner-tool textarea:focus,
.grades-owner-tool input:focus,
.grades-owner-tool select:focus {
    border-color: var(--focus-ring);
    box-shadow: 0 0 0 3px var(--focus-ring-soft);
}

.grades-owner-hint {
    padding: 0.62rem 0.72rem;
    border: 1px dashed var(--border-color-strong);
    border-radius: 16px;
    background: var(--surface-solid);
}

.grades-owner-import-form .primary-btn {
    width: fit-content;
    min-width: 180px;
    margin-top: 0;
}

.grades-owner-danger-zone {
    border-color: color-mix(in srgb, var(--danger-color) 24%, var(--border-color));
}

.grades-owner-danger-actions {
    display: grid;
    gap: 0.56rem;
}

.grades-owner-danger-actions .secondary-btn {
    width: 100%;
}

.grades-summary-grid {
    display: grid;
    grid-template-columns: repeat(4, minmax(0, 1fr));
    gap: 0.75rem;
}

.grades-summary-card {
    padding: 0.9rem;
    display: grid;
    gap: 0.2rem;
}

.grades-summary-card__label {
    color: var(--text-tertiary);
    font-size: 0.74rem;
    font-weight: 820;
}

.grades-summary-card__value {
    font-size: 1.18rem;
    font-weight: 930;
    line-height: 1.45;
}

.grades-summary-card__meta {
    color: var(--text-secondary);
    font-size: 0.76rem;
    line-height: 1.75;
}

.grades-panel {
    padding: 1rem;
    display: grid;
    gap: 0.85rem;
}

.grades-panel__head {
    display: flex;
    align-items: flex-start;
    justify-content: space-between;
    gap: 0.75rem;
}

.grades-list {
    display: grid;
    gap: 0.6rem;
}

.grades-row {
    display: grid;
    grid-template-columns: minmax(0, 1fr) auto;
    align-items: center;
    gap: 0.85rem;
    padding: 0.82rem 0.9rem;
    border-radius: 18px;
    border: 1px solid var(--border-color);
    background: var(--surface-muted);
    transition: transform 0.18s ease, border-color 0.18s ease, background 0.18s ease;
}

.grades-row:hover,
.grades-row:focus-within {
    transform: translateY(-1px);
    border-color: var(--focus-ring);
    background: var(--surface-solid);
}

.grades-row h4 {
    margin: 0;
    font-size: 0.92rem;
    font-weight: 860;
}

.grades-row__value {
    min-width: 72px;
    text-align: center;
    padding: 0.42rem 0.78rem;
    border-radius: var(--radius-pill);
    background: var(--accent-soft);
    color: var(--accent-strong);
    font-size: 0.92rem;
    font-weight: 900;
}

.grades-row--empty .grades-row__value {
    background: var(--surface-strong);
    color: var(--text-tertiary);
}

.grades-empty-state {
    padding: 1rem;
    border-radius: 20px;
    border: 1px dashed var(--border-color-strong);
    background: var(--surface-muted);
    display: grid;
    gap: 0.24rem;
    color: var(--text-secondary);
    text-align: center;
}

.grades-empty-state strong {
    color: var(--text-primary);
    font-size: 0.94rem;
}

.grades-panel--password .password-row {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 0.6rem;
}

.grades-loading {
    animation: grades-dashboard-in 0.28s ease;
}

.grades-skeleton {
    padding: 1rem;
}

.grades-skeleton__hero,
.grades-skeleton__summary span,
.grades-skeleton__list span {
    display: block;
    border-radius: 18px;
    background: linear-gradient(90deg, rgba(127, 145, 165, 0.12), rgba(127, 145, 165, 0.22), rgba(127, 145, 165, 0.12));
    background-size: 180% 100%;
    animation: grades-shimmer 1.4s linear infinite;
}

.grades-skeleton__hero {
    height: 104px;
    margin-bottom: 0.9rem;
}

.grades-skeleton__summary {
    display: grid;
    grid-template-columns: repeat(4, minmax(0, 1fr));
    gap: 0.7rem;
    margin-bottom: 0.9rem;
}

.grades-skeleton__summary span {
    height: 110px;
}

.grades-skeleton__list {
    display: grid;
    gap: 0.55rem;
}

.grades-skeleton__list span {
    height: 74px;
}

@keyframes grades-dashboard-in {
    from {
        opacity: 0;
        transform: translateY(8px);
    }

    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes grades-shimmer {
    from {
        background-position: 180% 0;
    }

    to {
        background-position: -10% 0;
    }
}

@media (max-width: 900px) {
    .grades-auth-stage {
        grid-template-columns: 1fr;
    }

    .grades-summary-grid {
        grid-template-columns: repeat(2, minmax(0, 1fr));
    }

    .grades-owner-tools {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 720px) {
    body.grades-page main.grades-flow {
        padding-top: 0.95rem;
    }

    .grades-dashboard__hero,
    .grades-auth-card__brand,
    .grades-profile {
        align-items: flex-start;
    }

    .grades-dashboard__hero {
        flex-direction: column;
    }

    .grades-dashboard__actions {
        width: 100%;
    }

    .grades-owner-panel__head {
        display: grid;
    }

    .grades-owner-summary {
        grid-template-columns: 1fr;
    }

    .grades-dashboard__actions .secondary-btn,
    .grades-owner-panel__head .secondary-btn,
    .grades-owner-import-form .primary-btn,
    .grades-auth-actions .primary-btn,
    .grades-auth-actions .secondary-btn,
    .grades-panel--password .password-btn {
        width: 100%;
    }

    .grades-panel--password .password-row,
    .grades-skeleton__summary,
    .grades-summary-grid {
        grid-template-columns: 1fr;
    }

    .grades-row {
        grid-template-columns: 1fr;
        align-items: start;
    }

    .grades-row__value {
        justify-self: flex-start;
    }
}