* {
    box-sizing: border-box;
}

body {
    margin: 0;
    font-family: "IBM Plex Sans", "Segoe UI", sans-serif;
    background:
        radial-gradient(circle at top left, color-mix(in srgb, var(--primary-soft) 75%, transparent), transparent 42%),
        linear-gradient(180deg, var(--background-main), color-mix(in srgb, var(--background-main) 72%, var(--background-surface)));
    color: var(--text-main);
}

a {
    color: var(--link-color);
    text-decoration: none;
}

a:hover {
    text-decoration: underline;
}

input,
select,
button,
textarea {
    font: inherit;
}

input,
select,
textarea {
    width: 100%;
    padding: 0.85rem 0.95rem;
    border: 1px solid var(--border-default);
    border-radius: 0.9rem;
    background: var(--background-surface);
    color: var(--text-main);
}

input:focus,
select:focus,
textarea:focus,
button:focus {
    outline: 3px solid var(--focus-ring);
    outline-offset: 2px;
}

.guest-shell,
.app-shell {
    min-height: 100vh;
}

.guest-body {
    display: grid;
    place-items: center;
    padding: 2rem;
}

.landing-body {
    min-height: 100vh;
    padding: 2rem;
}

.landing-shell {
    display: grid;
    gap: 2rem;
    width: min(100%, 72rem);
    margin: 0 auto;
}

.landing-header {
    display: flex;
    align-items: start;
    justify-content: space-between;
    gap: 1rem;
}

.guest-panel {
    width: min(100%, 32rem);
    padding: 2rem;
    border: 1px solid var(--border-default);
    border-radius: 1.5rem;
    background: color-mix(in srgb, var(--background-surface) 92%, var(--primary-soft));
    box-shadow: var(--shadow-soft);
}

.guest-panel-wide {
    width: min(100%, 40rem);
}

.brand-block,
.panel-stack,
.card,
.hero-card,
.stat-card,
.notice,
.placeholder-panel,
.landing-copy,
.landing-hero {
    display: grid;
    gap: 0.75rem;
}

.eyebrow {
    font-size: 0.78rem;
    font-weight: 700;
    letter-spacing: 0.08em;
    text-transform: uppercase;
    color: var(--text-muted);
}

.brand-name {
    display: block;
    margin-bottom: 0.6rem;
}

.brand-lockup {
    display: flex;
    align-items: center;
    gap: 0.9rem;
}

.brand-lockup-compact {
    margin-bottom: 0.4rem;
}

.brand-logo {
    width: auto;
    height: 4.6rem;
    object-fit: contain;
    flex: 0 0 auto;
}

.brand-campus {
    display: grid;
    gap: 0.08rem;
    line-height: 1.2;
}

.brand-campus > span {
    display: block;
}

.landing-hero {
    min-height: clamp(18rem, 48vh, 30rem);
    align-content: end;
    padding: clamp(1.5rem, 4vw, 3rem);
    border: 1px solid var(--border-default);
    border-radius: 2rem;
    background:
        linear-gradient(135deg, color-mix(in srgb, var(--primary-soft) 82%, var(--background-surface)), color-mix(in srgb, var(--secondary-soft) 72%, var(--background-surface))),
        var(--background-surface);
    box-shadow: var(--shadow-soft);
}

.landing-copy {
    width: min(100%, 34rem);
}

.app-shell {
    display: grid;
    grid-template-columns: 18rem 1fr;
}

.sidebar {
    display: grid;
    gap: 1.5rem;
    align-content: start;
    padding: 1.5rem;
    background: color-mix(in srgb, var(--primary) 88%, var(--neutral-dark));
    color: var(--text-inverse);
}

.sidebar a {
    color: var(--text-inverse);
}

.sidebar-nav {
    display: grid;
    gap: 0.5rem;
}

.nav-link {
    padding: 0.8rem 1rem;
    border-radius: 0.9rem;
    background: color-mix(in srgb, var(--background-surface) 0%, transparent);
}

.nav-link.is-active,
.nav-link:hover {
    background: color-mix(in srgb, var(--background-surface) 12%, transparent);
    text-decoration: none;
}

.nav-group {
    display: grid;
    gap: 0.45rem;
}

.nav-group-toggle {
    width: 100%;
    border: 0;
    color: inherit;
    text-align: left;
    cursor: pointer;
}

.nav-subnav {
    display: none;
    gap: 0.4rem;
    padding-left: 1rem;
}

.nav-group.is-open .nav-subnav,
.nav-group.is-active .nav-subnav {
    display: grid;
}

.nav-sublink {
    padding: 0.65rem 0.9rem;
    border-radius: 0.8rem;
    color: var(--text-inverse);
    background: color-mix(in srgb, var(--background-surface) 0%, transparent);
}

.nav-sublink:hover,
.nav-sublink.is-active {
    background: color-mix(in srgb, var(--background-surface) 12%, transparent);
    text-decoration: none;
}

.sidebar-footer,
.main-column,
.content,
.filters-grid,
.filters-grid-compact,
.form-grid,
.grid-2,
.stats-grid,
.placeholder-grid {
    display: grid;
    gap: 1rem;
}

.main-column {
    padding: 1.5rem;
    min-width: 0;
}

.topbar {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 1rem;
    padding-block: 0.75rem;
    margin-bottom: 1rem;
}

.page-title,
h1,
h2,
h3,
p {
    margin: 0;
}

.hero-card,
.card,
.stat-card {
    padding: 1.35rem;
    border: 1px solid var(--border-default);
    border-radius: 1.3rem;
    background: color-mix(in srgb, var(--background-surface) 94%, var(--primary-soft));
    box-shadow: var(--shadow-soft);
}

.hero-card {
    display: flex;
    justify-content: space-between;
    align-items: start;
}

.hero-meta,
.badge,
.actions-cell,
.filters-actions {
    display: flex;
    gap: 0.75rem;
    flex-wrap: wrap;
    align-items: center;
}

.stats-grid {
    grid-template-columns: repeat(auto-fit, minmax(12rem, 1fr));
}

.grid-2 {
    grid-template-columns: repeat(auto-fit, minmax(18rem, 1fr));
}

.placeholder-grid {
    grid-template-columns: repeat(auto-fit, minmax(10rem, 1fr));
}

.placeholder-panel {
    min-height: 7rem;
    place-items: center;
    border: 1px dashed var(--border-strong);
    border-radius: 1rem;
    background: color-mix(in srgb, var(--background-surface) 76%, var(--primary-soft));
    color: var(--text-muted);
}

.button {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    padding: 0.8rem 1rem;
    border: 0;
    border-radius: 0.9rem;
    cursor: pointer;
}

.button-primary {
    background: var(--button-primary-bg);
    color: var(--button-primary-text);
}

.button-secondary {
    background: var(--button-secondary-bg);
    color: var(--button-secondary-text);
}

.button-danger {
    background: var(--button-danger-bg);
    color: var(--button-danger-text);
}

.button-full {
    width: 100%;
}

.button-inline {
    padding: 0.55rem 0.8rem;
}

.qr-video {
    width: 100%;
    min-height: 18rem;
    border-radius: 1rem;
    background: var(--neutral-dark);
    object-fit: cover;
}

.scanner-feedback,
.scanner-status {
    display: grid;
    gap: 0.25rem;
    padding: 1rem;
    border-radius: 1rem;
    border: 1px solid var(--border-default);
    background: color-mix(in srgb, var(--background-surface) 92%, var(--primary-soft));
}

.scanner-status {
    grid-template-columns: 1fr;
}

.scanner-status-idle {
    background: color-mix(in srgb, var(--background-surface) 78%, var(--info) 22%);
    border-color: color-mix(in srgb, var(--info) 45%, var(--border-default));
}

.scanner-status-success {
    background: color-mix(in srgb, var(--background-surface) 72%, var(--success) 28%);
    border-color: color-mix(in srgb, var(--success) 50%, var(--border-default));
}

.scanner-status-warning {
    background: color-mix(in srgb, var(--background-surface) 72%, var(--warning) 28%);
    border-color: color-mix(in srgb, var(--warning) 50%, var(--border-default));
}

.scanner-status-error {
    background: color-mix(in srgb, var(--background-surface) 72%, var(--danger) 28%);
    border-color: color-mix(in srgb, var(--danger) 50%, var(--border-default));
}

.scanner-status-offline {
    background: color-mix(in srgb, var(--background-surface) 72%, var(--secondary) 28%);
    border-color: color-mix(in srgb, var(--secondary) 50%, var(--border-default));
}

.scanner-history {
    display: grid;
    gap: 0.65rem;
    padding: 0.95rem 1rem;
    border-radius: 1rem;
    border: 1px solid var(--border-default);
    background: color-mix(in srgb, var(--background-surface) 94%, var(--primary-soft));
}

.scanner-history-list {
    display: grid;
    gap: 0.55rem;
}

.scanner-history-item,
.scanner-history-empty {
    display: grid;
    gap: 0.2rem;
    padding: 0.7rem 0.8rem;
    border-radius: 0.8rem;
    background: var(--background-surface);
    border: 1px solid var(--border-default);
}

.scanner-history-item strong {
    font-size: 0.92rem;
}

.scanner-history-item span,
.scanner-history-empty {
    font-size: 0.9rem;
    color: var(--text-muted);
    white-space: pre-wrap;
    word-break: break-word;
}

.scanner-history-item {
    align-items: start;
    grid-template-columns: auto 1fr;
    column-gap: 0.65rem;
}

.scanner-history-item strong {
    grid-column: 1 / -1;
}

.scanner-history-success strong {
    color: var(--success);
}

.scanner-history-warning strong {
    color: var(--warning);
}

.scanner-history-error strong {
    color: var(--danger);
}

.scanner-history-offline strong {
    color: var(--secondary);
}

.scanner-pending-banner {
    display: grid;
    gap: 0.2rem;
    padding: 0.85rem 1rem;
    border-radius: 1rem;
    border: 1px solid color-mix(in srgb, var(--warning) 50%, var(--border-default));
    background: color-mix(in srgb, var(--background-surface) 74%, var(--warning) 26%);
}

.scanner-pending-banner.is-hidden {
    display: none;
}

.scanner-summary {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(120px, 1fr));
    gap: 0.55rem;
}

.scanner-summary-item {
    display: grid;
    gap: 0.2rem;
    padding: 0.7rem 0.8rem;
    border-radius: 0.8rem;
    background: var(--background-surface);
    border: 1px solid var(--border-default);
}

.scanner-summary-item span {
    font-size: 0.82rem;
    color: var(--text-muted);
}

.scanner-summary-item strong {
    font-size: 1rem;
    color: var(--text-default);
}


.password-field {
    position: relative;
    display: flex;
    align-items: center;
}

.password-field input {
    padding-right: 2.9rem;
}

.password-toggle {
    position: absolute;
    right: 0.45rem;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 2rem;
    height: 2rem;
    padding: 0;
    border: 0;
    border-radius: 999px;
    background: transparent;
    color: var(--text-muted);
    cursor: pointer;
}

.password-toggle:hover {
    background: color-mix(in srgb, var(--background-main) 92%, transparent);
    color: var(--text-main);
}

.password-toggle svg {
    width: 1rem;
    height: 1rem;
}

.field-hint-popover {
    position: absolute;
    z-index: 40;
    max-width: 18rem;
    padding: 0.8rem 0.9rem;
    border: 1px solid var(--border-default);
    border-radius: 1rem;
    background: color-mix(in srgb, var(--background-surface) 96%, var(--primary-soft));
    box-shadow: var(--shadow-soft);
    color: var(--text-main);
    font-size: 0.9rem;
    line-height: 1.4;
    pointer-events: none;
    opacity: 0;
    transform: translateY(0.2rem);
    transition: opacity 140ms ease, transform 140ms ease;
}

.field-hint-popover::after {
    content: "";
    position: absolute;
    top: 50%;
    left: -0.45rem;
    width: 0.9rem;
    height: 0.9rem;
    background: inherit;
    border-left: 1px solid var(--border-default);
    border-bottom: 1px solid var(--border-default);
    transform: translateY(-50%) rotate(45deg);
}

.field-hint-popover.is-left::after {
    left: auto;
    right: -0.45rem;
    border-left: 0;
    border-bottom: 0;
    border-right: 1px solid var(--border-default);
    border-top: 1px solid var(--border-default);
}

.field-hint-popover.is-bottom::after {
    top: -0.45rem;
    left: 1.25rem;
    border-left: 1px solid var(--border-default);
    border-bottom: 1px solid var(--border-default);
    border-right: 0;
    border-top: 0;
    transform: rotate(135deg);
}

.field-hint-popover.is-visible {
    opacity: 1;
    transform: translateY(0);
}

.sr-only {
    position: absolute;
    width: 1px;
    height: 1px;
    padding: 0;
    margin: -1px;
    overflow: hidden;
    clip: rect(0, 0, 0, 0);
    white-space: nowrap;
    border: 0;
}

.badge {
    width: fit-content;
    padding: 0.45rem 0.7rem;
    border-radius: 999px;
    font-size: 0.86rem;
}

.badge-success {
    background: var(--alert-success-bg);
    color: var(--success);
}

.badge-warning {
    background: var(--alert-warning-bg);
    color: var(--warning);
}

.badge-info {
    background: var(--alert-info-bg);
    color: var(--info);
}

.alert,
.notice {
    padding: 1rem 1.1rem;
    border-radius: 1rem;
    border: 1px solid var(--border-default);
}

.alert-success,
.notice-info {
    background: var(--alert-info-bg);
}

.alert-warning,
.notice-warning {
    background: var(--alert-warning-bg);
}

.alert-danger,
.notice-danger {
    background: var(--alert-danger-bg);
}

.flash-stack {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 0.75rem;
    flex-wrap: wrap;
}

.form-field {
    display: grid;
    gap: 0.45rem;
}

.required-indicator {
    display: inline-flex;
    align-items: center;
    gap: 0.15rem;
}

.required-indicator::after {
    content: "*";
    color: var(--danger);
    font-weight: 700;
    line-height: 1;
    transition: opacity 140ms ease, transform 140ms ease;
}

.required-indicator.is-satisfied::after {
    opacity: 0;
    transform: scale(0.7);
}

.form-grid-3,
.filters-grid-compact {
    grid-template-columns: repeat(auto-fit, minmax(14rem, 1fr));
}

.form-span-2 {
    grid-column: span 2;
}

.form-span-3,
.detail-span {
    grid-column: span 3;
}

.helper-text {
    color: var(--text-muted);
    font-size: 0.88rem;
    line-height: 1.4;
}

.consent-dialog {
    width: min(100%, 34rem);
    padding: 0;
    border: 1px solid var(--border-default);
    border-radius: 1.3rem;
    background: var(--background-surface);
    box-shadow: var(--shadow-soft);
}

.consent-dialog::backdrop {
    background: color-mix(in srgb, var(--neutral-dark) 40%, transparent);
}

.consent-dialog > div {
    padding: 1.5rem;
}

.dialog-actions {
    display: flex;
    gap: 0.75rem;
    justify-content: flex-end;
    flex-wrap: wrap;
}

.detail-grid {
    display: grid;
    gap: 1rem;
    grid-template-columns: repeat(auto-fit, minmax(12rem, 1fr));
}

.detail-grid-wide {
    grid-template-columns: repeat(auto-fit, minmax(14rem, 1fr));
}

.detail-grid div,
.data-card,
.timeline-item {
    display: grid;
    gap: 0.3rem;
}

.data-card,
.timeline-item {
    padding: 1rem;
    border: 1px solid var(--border-default);
    border-radius: 1rem;
    background: var(--background-surface);
}

.student-photo {
    width: 100%;
    max-width: 18rem;
    border-radius: 1rem;
    border: 1px solid var(--border-default);
}

.student-summary-card {
    display: grid;
    gap: 1rem;
}

.guardian-contact-row {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    flex-wrap: wrap;
}

.document-row,
.inline-upload-form {
    display: flex;
    gap: 0.75rem;
    align-items: center;
    justify-content: space-between;
    flex-wrap: wrap;
}

.inline-upload-form input[type="file"] {
    flex: 1 1 14rem;
}

.button-row {
    display: flex;
    gap: 0.75rem;
    flex-wrap: wrap;
}

.module-nav {
    display: flex;
    gap: 0.75rem;
    flex-wrap: wrap;
}

.module-nav-link {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 0.8rem 1rem;
    border-radius: 0.9rem;
    background: var(--button-secondary-bg);
    color: var(--button-secondary-text);
    text-decoration: none;
}

.module-nav-link:hover {
    text-decoration: none;
}

.module-nav-link.is-active {
    background: var(--button-primary-bg);
    color: var(--button-primary-text);
}

select[data-attendance-status-select][data-status-color="present"] {
    background: color-mix(in srgb, var(--background-surface) 72%, var(--success) 28%);
    border-color: color-mix(in srgb, var(--success) 55%, var(--border-default));
}

select[data-attendance-status-select][data-status-color="late"],
select[data-attendance-status-select][data-status-color="late_justified"] {
    background: color-mix(in srgb, var(--background-surface) 72%, var(--warning) 28%);
    border-color: color-mix(in srgb, var(--warning) 55%, var(--border-default));
}

select[data-attendance-status-select][data-status-color="absence_justified"],
select[data-attendance-status-select][data-status-color="absence_unjustified"] {
    background: color-mix(in srgb, var(--background-surface) 72%, var(--danger) 28%);
    border-color: color-mix(in srgb, var(--danger) 55%, var(--border-default));
}

.checkbox-row {
    display: flex;
    gap: 0.65rem;
    align-items: center;
}

.checkbox-row input,
.checkbox-field input {
    width: auto;
}

.error-text {
    color: var(--button-danger-bg);
    font-weight: 600;
}

.form-actions-full {
    grid-column: 1 / -1;
}

.timeline-list {
    display: grid;
    gap: 0.9rem;
}

.table-wrap {
    width: 100%;
    max-width: 100%;
    overflow-x: auto;
}

.content,
.card,
.hero-card,
.panel-stack,
.table-wrap,
form {
    min-width: 0;
}

.card > form {
    width: 100%;
    max-width: 100%;
}

nav[role="navigation"] {
    margin-top: 1rem;
}

nav[role="navigation"] svg {
    width: 0.95rem;
    height: 0.95rem;
    display: inline-block;
    vertical-align: middle;
}

.table {
    width: 100%;
    border-collapse: collapse;
}

.table-students {
    min-width: 108rem;
}

.status-actions-cell {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 0.75rem;
    flex-wrap: nowrap;
    white-space: nowrap;
}

.table-students th input,
.table-students th select {
    min-width: 0;
}

.data-table {
    width: 100%;
    border-collapse: collapse;
}

.table th,
.table td,
.data-table th,
.data-table td {
    padding: 0.95rem;
    border-bottom: 1px solid var(--border-default);
    text-align: left;
    vertical-align: top;
}

.table th,
.data-table th {
    background: var(--table-header-bg);
}

.table tbody tr:hover,
.data-table tbody tr:hover {
    background: var(--table-row-hover);
}

.quick-link {
    display: grid;
    gap: 0.25rem;
    padding: 1rem;
    border: 1px solid var(--border-default);
    border-radius: 1rem;
    background: var(--background-surface);
}

.quick-link:hover {
    text-decoration: none;
    border-color: var(--border-strong);
}

.muted-text,
.user-chip span {
    color: var(--text-muted);
}

.list-compact {
    margin: 0;
    padding-left: 1rem;
}

.option-list {
    display: grid;
    gap: 0.55rem;
}

.option-list-columns {
    grid-template-columns: repeat(auto-fit, minmax(16rem, 1fr));
}

.option-item {
    display: flex;
    gap: 0.65rem;
    align-items: center;
}

.option-item input {
    width: auto;
}

.text-link {
    font-weight: 600;
}

.report-card-sheet {
    background: var(--background-surface);
}

.report-card-header {
    display: flex;
    justify-content: space-between;
    gap: 1rem;
    flex-wrap: wrap;
    margin-bottom: 1rem;
}

.report-card-meta {
    display: grid;
    gap: 0.35rem;
}

.report-card-workshops {
    margin-bottom: 1rem;
    padding: 0.9rem 1rem;
    border-radius: 1rem;
    background: var(--table-header-bg);
}

.file-dropzone {
    position: relative;
    display: grid;
    gap: 0.35rem;
    padding: 1rem;
    border: 1px dashed var(--border-strong);
    border-radius: 1rem;
    background: color-mix(in srgb, var(--background-surface) 90%, var(--primary-soft));
    cursor: pointer;
    transition: border-color 140ms ease, background 140ms ease, transform 140ms ease;
}

.file-dropzone:hover,
.file-dropzone.is-dragover {
    border-color: var(--primary);
    background: color-mix(in srgb, var(--background-surface) 82%, var(--primary-soft));
    transform: translateY(-1px);
}

.file-dropzone input[type="file"] {
    position: absolute;
    inset: 0;
    opacity: 0;
    cursor: pointer;
}

.file-dropzone-copy {
    display: grid;
    gap: 0.2rem;
    pointer-events: none;
}

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

.nav-toggle {
    display: none;
}

@media (max-width: 920px) {
    .app-shell {
        grid-template-columns: 1fr;
    }

    .sidebar {
        display: none;
    }

    .sidebar.is-open {
        display: grid;
    }

    .nav-toggle {
        display: inline-flex;
        padding: 0.7rem 0.95rem;
        border: 1px solid var(--border-default);
        border-radius: 0.85rem;
        background: var(--background-surface);
        color: var(--text-main);
    }

    .hero-card {
        flex-direction: column;
    }

    .landing-header {
        flex-direction: column;
        align-items: stretch;
    }

    .brand-lockup {
        align-items: flex-start;
    }

    .brand-logo {
        height: 4rem;
    }

    .form-span-2,
    .form-span-3,
    .detail-span {
        grid-column: auto;
    }
}

@media print {
    .sidebar,
    .topbar,
    .flash-stack,
    .report-card-screen-actions {
        display: none !important;
    }

    .app-shell,
    .main-column,
    .content {
        display: block;
        width: 100%;
        max-width: none;
        margin: 0;
        padding: 0;
    }

    .report-card-sheet {
        box-shadow: none;
        border: 0;
        margin: 0;
        padding: 0;
    }
}