:root {
    --bg: #f4f7fb;
    --card: #ffffff;
    --text: #0f172a;
    --muted: #5b677d;
    --border: #dbe3ef;
    --shadow: 0 18px 45px rgba(15, 23, 42, 0.08);
    --school-primary: #0f172a;
    --school-secondary: #38bdf8;
    --success: #16a34a;
    --warning: #ea580c;
    --danger: #dc2626;
    --radius: 22px;
}

* {
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
}

body {
    margin: 0;
    font-family: "Segoe UI", "Helvetica Neue", sans-serif;
    color: var(--text);
    background:
        radial-gradient(circle at top right, rgba(56, 189, 248, 0.18), transparent 28%),
        radial-gradient(circle at bottom left, rgba(15, 23, 42, 0.08), transparent 28%),
        var(--bg);
}

a {
    color: inherit;
    text-decoration: none;
}

img {
    max-width: 100%;
    display: block;
}

h1, h2, h3, p {
    margin-top: 0;
}

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

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

th {
    font-size: 0.82rem;
    text-transform: uppercase;
    letter-spacing: 0.08em;
    color: var(--muted);
}

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

input, select, textarea {
    width: 100%;
    border: 1px solid var(--border);
    border-radius: 14px;
    background: #fff;
    color: var(--text);
    padding: 0.9rem 1rem;
}

textarea {
    resize: vertical;
}

.auth-shell {
    min-height: 100vh;
}

.auth-page,
.school-auth,
.status-page {
    min-height: 100vh;
    display: grid;
    place-items: center;
    padding: 2rem;
}

.auth-panel,
.school-auth-card,
.status-card {
    width: min(1120px, 100%);
    display: grid;
    grid-template-columns: 1.15fr 0.85fr;
    gap: 2rem;
    align-items: stretch;
}

.school-auth {
    position: relative;
    background-size: cover;
    background-position: center;
}

.school-auth-overlay {
    position: absolute;
    inset: 0;
    background: linear-gradient(135deg, rgba(15, 23, 42, 0.85), rgba(15, 23, 42, 0.55));
}

.school-auth-card {
    position: relative;
    z-index: 1;
}

.auth-brand,
.school-auth-brand,
.hero-copy,
.hero-panel,
.status-card {
    background: rgba(255, 255, 255, 0.9);
    backdrop-filter: blur(12px);
    border: 1px solid rgba(255, 255, 255, 0.65);
    border-radius: 30px;
    padding: 2rem;
    box-shadow: var(--shadow);
}

.school-auth-brand {
    background: linear-gradient(145deg, rgba(255,255,255,0.96), rgba(255,255,255,0.88));
}

.auth-card {
    background: var(--card);
    border-radius: 30px;
    padding: 2rem;
    box-shadow: var(--shadow);
    display: grid;
    gap: 1rem;
}

.hero {
    display: grid;
    grid-template-columns: 1.2fr 0.8fr;
    gap: 1.5rem;
    max-width: 1240px;
    margin: 0 auto;
    padding: 2rem;
}

.hero-copy {
    background:
        linear-gradient(145deg, rgba(255,255,255,0.95), rgba(255,255,255,0.88)),
        linear-gradient(135deg, var(--school-primary), var(--school-secondary));
}

.hero h1 {
    font-size: clamp(2rem, 4vw, 4rem);
    line-height: 1.05;
    max-width: 16ch;
}

.hero-actions,
.hero-strip-actions {
    display: flex;
    gap: 0.75rem;
    flex-wrap: wrap;
}

.hero-panel {
    display: grid;
    place-items: center;
}

.panel-card {
    width: 100%;
    border-radius: 24px;
    padding: 1.5rem;
    background: linear-gradient(160deg, var(--school-primary), #1e293b 55%, var(--school-secondary));
    color: #fff;
    box-shadow: var(--shadow);
}

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

.grid-2,
.grid-3,
.grid-4,
.directory-grid {
    display: grid;
    gap: 1.25rem;
    max-width: 1240px;
    margin: 0 auto 1.5rem;
    padding: 0 2rem;
}

.grid-2 { grid-template-columns: repeat(2, minmax(0, 1fr)); }
.grid-3 { grid-template-columns: repeat(3, minmax(0, 1fr)); }
.grid-4 { grid-template-columns: repeat(4, minmax(0, 1fr)); }
.directory-grid { grid-template-columns: repeat(3, minmax(0, 1fr)); }

.section-block,
.print-sheet {
    max-width: 1240px;
    margin: 0 auto 1.5rem;
    padding: 0 2rem;
}

.narrow {
    max-width: 920px;
}

.card,
.table-card,
.stat-card,
.print-sheet,
.topbar,
.sidebar,
.brand-block,
.hero-strip {
    background: var(--card);
    border: 1px solid var(--border);
    box-shadow: var(--shadow);
}

.card,
.table-card,
.print-sheet,
.hero-strip {
    border-radius: var(--radius);
    padding: 1.5rem;
}

.table-card {
    overflow-x: auto;
}

.table-card.slim {
    padding: 0;
}

.stat-card {
    border-radius: 20px;
    padding: 1.25rem;
}

.stat-card span {
    display: block;
    color: var(--muted);
    margin-bottom: 0.35rem;
}

.stat-card strong {
    font-size: 1.75rem;
}

.eyebrow {
    display: inline-block;
    text-transform: uppercase;
    letter-spacing: 0.14em;
    font-size: 0.72rem;
    color: var(--muted);
    margin-bottom: 0.5rem;
}

.pill {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.35rem;
    padding: 0.35rem 0.8rem;
    border: 1px solid var(--border);
    border-radius: 999px;
    font-size: 0.8rem;
    background: #fff;
}

.pill-success {
    color: var(--success);
    border-color: rgba(22, 163, 74, 0.25);
}

.pill-danger {
    color: var(--danger);
    border-color: rgba(220, 38, 38, 0.25);
}

.pill-dark {
    color: #fff;
    border-color: transparent;
    background: var(--school-primary);
}

.button {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    border: 0;
    border-radius: 14px;
    background: linear-gradient(135deg, var(--school-primary), var(--school-secondary));
    color: #fff;
    padding: 0.9rem 1.2rem;
    cursor: pointer;
}

.button-light {
    background: #fff;
    color: var(--text);
    border: 1px solid var(--border);
}

.button-ghost {
    background: rgba(15, 23, 42, 0.04);
    color: var(--text);
}

.button-block {
    width: 100%;
}

.text-link {
    color: var(--school-primary);
    font-weight: 600;
}

.app-layout {
    display: grid;
    grid-template-columns: 300px 1fr;
    min-height: 100vh;
}

.sidebar {
    padding: 1.25rem;
    border-radius: 0;
    border-left: 0;
    border-top: 0;
    border-bottom: 0;
    position: sticky;
    top: 0;
    height: 100vh;
    display: flex;
    flex-direction: column;
    gap: 1.2rem;
}

.brand-block {
    display: flex;
    gap: 1rem;
    align-items: center;
    border-radius: 20px;
    padding: 1rem;
}

.brand-logo {
    width: 54px;
    height: 54px;
    object-fit: contain;
    border-radius: 14px;
    background: #fff;
    padding: 0.3rem;
}

.brand-monogram {
    width: 54px;
    height: 54px;
    border-radius: 16px;
    display: grid;
    place-items: center;
    background: linear-gradient(135deg, var(--school-primary), var(--school-secondary));
    color: #fff;
    font-size: 1.3rem;
    font-weight: 700;
}

.sidebar-nav {
    display: grid;
    gap: 0.35rem;
}

.sidebar-section-title {
    margin: 0.75rem 0 0.35rem;
    padding: 0 1rem;
    font-size: 0.78rem;
    text-transform: uppercase;
    letter-spacing: 0.12em;
    color: var(--muted);
}

.sidebar-nav a {
    padding: 0.9rem 1rem;
    border-radius: 14px;
    color: var(--muted);
    transition: 0.2s ease;
}

.sidebar-nav a.active,
.sidebar-nav a:hover {
    background: linear-gradient(135deg, rgba(15, 23, 42, 0.08), rgba(56, 189, 248, 0.14));
    color: var(--text);
}

.sidebar-footer {
    margin-top: auto;
}

.app-main {
    padding: 1.25rem;
}

.topbar {
    padding: 1rem 1.35rem;
    border-radius: var(--radius);
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 1.25rem;
}

.topbar-user span {
    display: block;
    color: var(--muted);
    font-size: 0.9rem;
}

.page-body {
    display: grid;
    gap: 1rem;
}

.section-head {
    display: flex;
    gap: 1rem;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 1rem;
}

.section-head.compact {
    margin-bottom: 1rem;
}

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

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

.field span {
    font-size: 0.9rem;
    color: var(--muted);
}

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

.form-divider {
    padding: 0.6rem 0 0;
    font-weight: 700;
    color: var(--text);
}

.checkbox-grid {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 0.85rem;
}

.check-card {
    display: flex;
    gap: 0.75rem;
    align-items: center;
    padding: 0.9rem 1rem;
    border: 1px solid var(--border);
    border-radius: 16px;
    background: #fff;
}

.check-card input {
    width: auto;
}

.table-tools {
    max-width: 1240px;
    margin: 0 auto 0.75rem;
    padding: 0 2rem;
}

.table-filter {
    max-width: 320px;
}

.actions-cell {
    display: flex;
    gap: 0.5rem;
    flex-wrap: wrap;
}

.simple-list {
    display: grid;
    gap: 0.8rem;
}

.simple-item {
    display: flex;
    justify-content: space-between;
    gap: 1rem;
    align-items: center;
    padding: 0.9rem 1rem;
    border: 1px solid var(--border);
    border-radius: 16px;
}

.simple-item span {
    display: block;
    color: var(--muted);
    font-size: 0.92rem;
}

.simple-item small {
    display: block;
    color: var(--muted);
    font-size: 0.82rem;
}

.tag-cloud,
.stat-inline {
    display: flex;
    gap: 0.65rem;
    flex-wrap: wrap;
}

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

.flash-stack {
    position: fixed;
    right: 1.25rem;
    top: 1.25rem;
    z-index: 30;
    display: grid;
    gap: 0.75rem;
}

.flash {
    min-width: 260px;
    max-width: 380px;
    border-radius: 16px;
    padding: 0.95rem 1rem;
    box-shadow: var(--shadow);
    color: #fff;
}

.flash-success { background: #15803d; }
.flash-error { background: #b91c1c; }
.flash-warning { background: #b45309; }

.school-card-head {
    display: flex;
    gap: 1rem;
    align-items: center;
}

.school-card-logo {
    width: 58px;
    height: 58px;
    object-fit: contain;
    border-radius: 18px;
    background: #fff;
    padding: 0.35rem;
}

.hero-strip {
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 1rem;
}

.report-header,
.receipt-grid {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 1rem;
    margin-bottom: 1rem;
}

.report-summary {
    padding: 0;
}

.print-sheet {
    background: #fff;
}

.status-card {
    grid-template-columns: 1fr;
    text-align: center;
    max-width: 560px;
}

.mobile-nav-toggle {
    display: none;
    border: 1px solid var(--border);
    background: #fff;
    border-radius: 12px;
    padding: 0.7rem 1rem;
}

@media (max-width: 1080px) {
    .grid-4 {
        grid-template-columns: repeat(2, minmax(0, 1fr));
    }

    .grid-3,
    .directory-grid,
    .hero {
        grid-template-columns: 1fr;
    }

    .auth-panel,
    .school-auth-card {
        grid-template-columns: 1fr;
    }

    .app-layout {
        grid-template-columns: 1fr;
    }

    .sidebar {
        position: fixed;
        inset: 0 auto 0 0;
        width: min(88vw, 320px);
        transform: translateX(-105%);
        transition: transform 0.25s ease;
        z-index: 40;
    }

    .sidebar.sidebar-open {
        transform: translateX(0);
    }

    .mobile-nav-toggle {
        display: inline-flex;
    }
}

@media (max-width: 760px) {
    .grid-2,
    .grid-3,
    .grid-4,
    .directory-grid,
    .section-block,
    .table-tools,
    .hero {
        padding-left: 1rem;
        padding-right: 1rem;
    }

    .grid-2,
    .grid-4 {
        grid-template-columns: 1fr;
    }

    .form-grid,
    .receipt-grid,
    .report-header {
        grid-template-columns: 1fr;
    }

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

    .field-span-2 {
        grid-column: span 1;
    }

    .topbar,
    .hero-strip,
    .simple-item {
        flex-direction: column;
        align-items: flex-start;
    }
}

@media print {
    .sidebar,
    .topbar,
    .button,
    .flash-stack {
        display: none !important;
    }

    body {
        background: #fff;
    }

    .app-main,
    .section-block,
    .print-sheet {
        padding: 0;
        margin: 0;
        box-shadow: none;
        border: 0;
    }
}