/* Ains Reads Admin — same material theme/palette as AinsReads.Web and AinsReads.Publish, ported
   for a plain-MVC/Razor-Pages app (no Blazor, no Bootstrap — replaces the stock scaffold theme
   entirely, including the earlier stale brand-accent-only override this file used to have).
   Internal tool, but shares the brand rather than looking like an unrelated product. */
:root {
    --brand: #1b4f2d;
    --primary: #2f6b34;
    --primary-container: #e6f7d8;
    --on-primary: #ffffff;
    --on-primary-container: #16371d;
    --background: #f5f2eb;
    --surface: #fffdf9;
    --surface-container: #f1eadf;
    --surface-container-high: #e8dfcf;
    --on-surface: #151311;
    --on-surface-variant: #5d5349;
    --outline: #8c7f70;
    --outline-variant: #d8cab5;
    --secondary-container: #f6d481;
    --on-secondary-container: #6d4b00;
    --error: #ba1a1a;
    --muted: #f7f0e8;
    --shadow: rgba(16, 26, 20, 0.14);
    --btn-primary-gradient: linear-gradient(135deg, var(--brand) 0%, var(--primary) 100%);
}

/* Dark mode — same mechanism as AinsReads.Web/AinsReads.Publish (wwwroot/js/theme.js sets this
   attribute before first paint, toggled via .theme-toggle in _Layout.cshtml). Everything built
   with var(--surface)/var(--on-surface)/etc picks this up automatically; the handful of rules
   below that used literal near-white rgba() values instead of a variable get an explicit dark
   override each, same as the other two sites. */
:root[data-theme="dark"] {
    --brand: #7ed957;
    --primary: #5fcf6a;
    --primary-container: #1f3d22;
    --on-primary: #0b1a0f;
    --on-primary-container: #cdf5cf;
    --background: #10140f;
    --surface: #171c15;
    --surface-container: #1d2319;
    --surface-container-high: #262d20;
    --on-surface: #ece7dc;
    --on-surface-variant: #b7ae9e;
    --outline: #837a68;
    --outline-variant: #3a382e;
    --secondary-container: #4a3a12;
    --on-secondary-container: #f6d481;
    --error: #ff8a80;
    --muted: #1d2319;
    --shadow: rgba(0, 0, 0, 0.5);
}

:root[data-theme="dark"] body {
    background:
        radial-gradient(circle at top left, rgba(126, 217, 87, 0.10), transparent 32%),
        radial-gradient(circle at bottom right, rgba(246, 212, 129, 0.08), transparent 24%),
        linear-gradient(135deg, #12160f 0%, #0b0d0a 100%);
}

:root[data-theme="dark"] .page-shell { background: rgba(23, 28, 21, 0.82); border-color: rgba(58, 56, 46, 0.9); }
:root[data-theme="dark"] .side-nav { background: rgba(23, 28, 21, 0.9); border-color: rgba(58, 56, 46, 0.9); }
:root[data-theme="dark"] .side-nav-toggle { background: rgba(23, 28, 21, 0.92); border-color: rgba(58, 56, 46, 0.9); }
:root[data-theme="dark"] .side-nav-expand-tab { background: rgba(23, 28, 21, 0.92); border-color: rgba(58, 56, 46, 0.9); }
:root[data-theme="dark"] .hero { background: rgba(23, 28, 21, 0.78); border-color: rgba(58, 56, 46, 0.9); }
:root[data-theme="dark"] .tile-card { background: rgba(23, 28, 21, 0.94); border-color: rgba(58, 56, 46, 0.9); }
:root[data-theme="dark"] .auth-card { background: rgba(23, 28, 21, 0.92); border-color: rgba(58, 56, 46, 0.9); }
:root[data-theme="dark"] .site-footer { background: rgba(23, 28, 21, 0.5); border-color: rgba(58, 56, 46, 0.9); }

.theme-toggle {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 2rem;
    height: 2rem;
    border: none;
    border-radius: 50%;
    background: transparent;
    color: var(--on-surface-variant);
    cursor: pointer;
}

.theme-toggle:hover {
    background: var(--surface-container);
    color: var(--primary);
}

.theme-icon-dark {
    display: none;
}

:root[data-theme="dark"] .theme-icon-light {
    display: none;
}

:root[data-theme="dark"] .theme-icon-dark {
    display: inline-flex;
}

* {
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
}

body {
    position: relative;
    min-height: 100vh;
    margin: 0;
    background:
        radial-gradient(circle at top left, rgba(126, 217, 87, 0.22), transparent 32%),
        radial-gradient(circle at bottom right, rgba(246, 212, 129, 0.3), transparent 24%),
        linear-gradient(135deg, #fcfbf7 0%, #f1ebde 100%);
    color: var(--on-surface);
    font-family: Inter, -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
    line-height: 1.55;
}

a {
    color: var(--primary);
    transition: color 160ms ease, transform 160ms ease;
}

h1, h2, h3 {
    letter-spacing: -0.02em;
    line-height: 1.15;
    color: var(--brand);
}

.page-container {
    position: relative;
    z-index: 1;
    max-width: 1180px;
    margin: 0 auto;
    padding: 1.25rem 1.25rem 4rem;
}

.page-shell {
    display: flex;
    flex-direction: column;
    gap: 1.2rem;
    padding: 1.35rem;
    border-radius: 1.8rem;
    background: rgba(255, 253, 249, 0.82);
    border: 1px solid rgba(216, 202, 181, 0.95);
    box-shadow: 0 20px 48px rgba(16, 26, 20, 0.08);
    backdrop-filter: blur(16px);
}

.page-shell > :first-child {
    margin-top: 0;
}

/* Buttons — same shape/gradient/hover as Web and Publish */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: .5rem;
    border: 1px solid var(--outline-variant);
    background: var(--surface);
    color: var(--on-surface);
    padding: .7rem 1.3rem;
    border-radius: .65rem;
    font-weight: 700;
    font-size: .95rem;
    text-decoration: none;
    cursor: pointer;
    transition: transform 160ms ease, box-shadow 160ms ease, background 160ms ease, border-color 160ms ease, color 160ms ease;
    box-shadow: none;
}

.btn:hover {
    background: var(--muted);
    border-color: var(--outline);
    color: var(--on-surface);
}

.btn:disabled {
    opacity: .55;
    cursor: default;
}

.btn-primary {
    background: var(--btn-primary-gradient);
    border-color: transparent;
    color: var(--on-primary);
    box-shadow: 0 10px 24px rgba(29, 91, 43, 0.24);
}

.btn-primary:hover {
    transform: translateY(-1px);
    box-shadow: 0 14px 28px rgba(29, 91, 43, 0.3);
    color: var(--on-primary);
}

.btn-secondary {
    background: transparent;
    border-color: var(--outline-variant);
    color: var(--on-surface-variant);
}

.btn-secondary:hover {
    background: var(--muted);
    color: var(--primary);
}

.btn-outline-danger {
    background: transparent;
    border-color: rgba(186, 26, 26, 0.4);
    color: var(--error);
}

.btn-outline-danger:hover {
    background: rgba(186, 26, 26, 0.08);
}

.btn-outline-success {
    background: transparent;
    border-color: var(--primary);
    color: var(--primary);
}

.btn-outline-success:hover {
    background: var(--primary-container);
}

.btn-sm {
    padding: .45rem .85rem;
    font-size: .85rem;
}

.btn.w-100 {
    width: 100%;
}

/* Nav — left side-nav (Publish went through the same top-nav-bar → side-nav conversion first, see
   its app.css; this ports that exact pattern for a plain-MVC/no-Blazor app). Desktop: a sticky
   column alongside the content, collapsible via .side-nav-collapse/.side-nav-expand-tab (persisted,
   plain JS — wwwroot/js/sideNav.js). Mobile (see breakpoint below): an off-canvas drawer toggled by
   .side-nav-toggle, also plain JS since there's no Blazor circuit here to hold open/close state. */
.app-shell {
    display: flex;
    align-items: flex-start;
    min-height: 100vh;
}

.side-nav {
    position: sticky;
    top: 0;
    z-index: 30;
    flex-shrink: 0;
    display: flex;
    flex-direction: column;
    width: 248px;
    height: 100vh;
    padding: 1.1rem .9rem;
    background: rgba(255, 253, 249, 0.9);
    border-right: 1px solid rgba(216, 202, 181, 0.9);
    box-shadow: 0 16px 40px rgba(16, 26, 20, 0.06);
    overflow-y: auto;
    transition: width 220ms ease, padding 220ms ease, opacity 180ms ease;
}

.side-nav-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: .3rem;
    margin-bottom: 1.4rem;
}

.nav-brand {
    display: flex;
    align-items: center;
    gap: .5rem;
    min-width: 0;
    font-weight: 800;
    font-size: .92rem;
    color: var(--brand);
    text-decoration: none;
    letter-spacing: -.02em;
    white-space: nowrap;
}

.nav-brand img {
    display: block;
    flex-shrink: 0;
}

.nav-brand-tag {
    font-size: .68rem;
    font-weight: 700;
    color: var(--on-surface-variant);
    border: 1px solid var(--outline-variant);
    border-radius: 999px;
    padding: .1rem .55rem;
}

.side-nav-close,
.side-nav-toggle {
    display: none;
    align-items: center;
    justify-content: center;
    width: 2.1rem;
    height: 2.1rem;
    flex-shrink: 0;
    border: none;
    border-radius: 50%;
    background: transparent;
    color: var(--on-surface-variant);
    cursor: pointer;
}

.side-nav-close:hover,
.side-nav-toggle:hover {
    background: var(--surface-container);
    color: var(--primary);
}

.side-nav-collapse {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 1.7rem;
    height: 1.7rem;
    flex-shrink: 0;
    border: none;
    border-radius: 50%;
    background: transparent;
    color: var(--on-surface-variant);
    cursor: pointer;
}

.side-nav-collapse:hover {
    background: var(--surface-container);
    color: var(--primary);
}

.side-nav-expand-tab {
    display: none;
}

.side-nav-links {
    display: flex;
    flex-direction: column;
    gap: .2rem;
}

.side-nav-link {
    display: flex;
    align-items: center;
    gap: .75rem;
    padding: .6rem .75rem;
    border-radius: .9rem;
    color: var(--on-surface-variant);
    text-decoration: none;
    font-weight: 700;
    font-size: .93rem;
}

.side-nav-link .icon {
    flex-shrink: 0;
}

.side-nav-link:hover {
    background: var(--surface-container);
    color: var(--primary);
}

.side-nav-link.active {
    background: var(--primary-container);
    color: var(--on-primary-container);
}

.side-nav-footer {
    display: flex;
    flex-direction: column;
    align-items: stretch;
    gap: .6rem;
    margin-top: auto;
    padding-top: 1rem;
    border-top: 1px solid var(--outline-variant);
}

.nav-username {
    font-weight: 700;
    color: var(--on-surface);
    font-size: .9rem;
}

.side-nav-backdrop {
    display: none;
}

.app-content {
    flex: 1;
    min-width: 0;
}

@media (max-width: 900px) {
    .side-nav-toggle {
        display: inline-flex;
        position: fixed;
        top: 1rem;
        left: 1rem;
        z-index: 40;
        background: rgba(255, 253, 249, 0.92);
        border: 1px solid rgba(216, 202, 181, 0.9);
        box-shadow: 0 8px 20px rgba(16, 26, 20, 0.12);
    }

    .side-nav {
        position: fixed;
        top: 0;
        left: 0;
        width: min(82vw, 300px);
        transform: translateX(-100%);
        transition: transform 220ms ease;
        box-shadow: 0 20px 48px rgba(16, 26, 20, 0.22);
    }

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

    .side-nav-close {
        display: inline-flex;
    }

    .side-nav-collapse,
    .side-nav-expand-tab {
        display: none !important;
    }

    .side-nav-backdrop {
        display: block;
        position: fixed;
        inset: 0;
        z-index: 25;
        background: rgba(11, 18, 14, 0.45);
        backdrop-filter: blur(2px);
    }

    .page-container {
        padding-top: 4.5rem;
    }
}

@media (min-width: 901px) {
    html[data-nav-collapsed="true"] .side-nav {
        width: 0;
        padding-left: 0;
        padding-right: 0;
        border-right: none;
        box-shadow: none;
        opacity: 0;
        overflow: hidden;
        pointer-events: none;
    }

    html[data-nav-collapsed="true"] .side-nav-expand-tab {
        display: inline-flex;
        align-items: center;
        justify-content: center;
        position: fixed;
        top: 1rem;
        left: 1rem;
        z-index: 35;
        width: 2.4rem;
        height: 2.4rem;
        border-radius: 50%;
        background: rgba(255, 253, 249, 0.92);
        border: 1px solid rgba(216, 202, 181, 0.9);
        color: var(--on-surface-variant);
        box-shadow: 0 8px 20px rgba(16, 26, 20, 0.12);
        cursor: pointer;
    }

    html[data-nav-collapsed="true"] .side-nav-expand-tab:hover {
        color: var(--primary);
    }
}

/* Hero */
.hero {
    position: relative;
    overflow: hidden;
    padding: 2.2rem;
    margin-top: 1.2rem;
    border-radius: 2rem;
    border: 1px solid rgba(216, 202, 181, 0.95);
    background: rgba(255, 253, 249, 0.78);
    box-shadow: 0 24px 60px rgba(16, 26, 20, 0.08);
    text-align: left;
}

.hero h1 {
    margin: 0 0 .5rem;
    font-size: clamp(1.7rem, 3vw, 2.3rem);
}

.hero p {
    color: var(--on-surface-variant);
    max-width: 680px;
    margin: 0;
    font-size: 1.02rem;
}

/* Sections */
.section-header {
    display: flex;
    justify-content: space-between;
    align-items: baseline;
    gap: 1rem;
    margin-bottom: 1rem;
}

/* Tile grid — for picking one of several parallel admin functions, and for laying out
   parallel forms side by side (same pattern as Publish's persona/business tile grid). */
.tile-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(230px, 1fr));
    gap: 1.25rem;
}

.tile-card {
    display: flex;
    flex-direction: column;
    gap: .6rem;
    text-align: left;
    padding: 1.75rem;
    border: 1px solid rgba(216, 202, 181, 0.95);
    border-radius: 1.3rem;
    background: rgba(255, 253, 249, 0.9);
    box-shadow: 0 16px 40px rgba(16, 26, 20, 0.06);
}

.tile-icon {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 2.75rem;
    height: 2.75rem;
    border-radius: .9rem;
    background: rgba(47, 107, 52, 0.1);
    color: var(--brand);
    margin-bottom: .2rem;
}

.tile-card h3 {
    margin: 0;
}

.tile-card p {
    color: var(--on-surface-variant);
    margin: 0;
    flex: 1;
}

.tile-card .btn {
    align-self: flex-start;
    margin-top: .4rem;
}

/* Cards — same as Web/Publish's profile-card, generic elevated content container */
.profile-card {
    padding: 1.5rem 1.6rem;
    border-radius: 1.3rem;
    background: var(--surface);
    border: 1px solid var(--outline-variant);
    box-shadow: 0 12px 30px rgba(16, 26, 20, 0.05);
    margin-bottom: 1.1rem;
}

.profile-card-title {
    display: flex;
    align-items: center;
    gap: .5rem;
    margin: 0 0 .6rem;
    font-size: 1.05rem;
    color: var(--on-surface);
}

.profile-card-danger {
    border-color: rgba(186, 26, 26, 0.3);
}

.profile-card-danger .profile-card-title {
    color: var(--error);
}

.text-muted {
    color: var(--on-surface-variant) !important;
}

.small {
    font-size: .85rem;
}

/* Forms — plain label-wraps-input pattern, matching Web/Publish (no Bootstrap form-control) */
label {
    display: block;
    font-size: .85rem;
    font-weight: 600;
    color: var(--on-surface-variant);
    margin-bottom: .9rem;
}

input[type=text],
input[type=email],
input[type=password],
input[type=number],
textarea,
select {
    display: block;
    width: 100%;
    margin-top: .3rem;
    padding: .55rem .7rem;
    border: 1px solid var(--outline-variant);
    border-radius: .5rem;
    font-size: 1rem;
    box-sizing: border-box;
    font-family: inherit;
    background: var(--surface);
    color: var(--on-surface);
}

.button-row {
    display: flex;
    gap: .75rem;
    flex-wrap: wrap;
    margin: .5rem 0;
}

.checkbox-label {
    display: flex !important;
    align-items: center;
    gap: .5rem;
    font-weight: 600;
}

.checkbox-label input[type=checkbox] {
    margin: 0;
}

/* Alert / status message */
.alert-info {
    padding: .85rem 1.1rem;
    border-radius: .8rem;
    background: var(--primary-container);
    color: var(--on-primary-container);
    font-weight: 600;
    margin-bottom: 1.1rem;
}

/* Badges */
.badge {
    font-size: .75rem;
    font-weight: 700;
    border-radius: 999px;
    padding: .2rem .6rem;
}

.badge-free {
    background: var(--primary-container);
    color: var(--on-primary-container);
}

.badge-locked {
    background: var(--secondary-container);
    color: var(--on-secondary-container);
}

/* Tables */
table {
    width: 100%;
    border-collapse: collapse;
}

th, td {
    text-align: left;
    padding: .65rem .5rem;
    border-bottom: 1px solid var(--outline-variant);
    font-size: .92rem;
}

th {
    color: var(--on-surface-variant);
    font-weight: 700;
    font-size: .78rem;
    text-transform: uppercase;
    letter-spacing: .04em;
}

/* Plain lists (print vocab materials/sizes/options) */
.plain-list {
    list-style: none;
    padding: 0;
    margin: 0 0 1rem;
}

.plain-list li {
    padding: .6rem 0;
    border-bottom: 1px solid var(--outline-variant);
    color: var(--on-surface-variant);
}

.plain-list li:last-child {
    border-bottom: none;
}

/* Inline forms embedded inside a .plain-list row (e.g. print-size dimension editing) — the global
   input[type=number] rule below defaults every input to block/100% width, which would otherwise
   stack these vertically instead of sitting inline with the row's text. */
.inline-form {
    display: inline-flex;
    align-items: center;
    gap: .4rem;
    margin-left: .5rem;
}

.inline-form input[type=number] {
    display: inline-block;
    width: 6rem;
    margin-top: 0;
}

/* Auth pages (Login) */
.auth-page {
    width: 100%;
    max-width: 420px;
    margin: 3rem auto 0;
}

.auth-card {
    background: rgba(255, 253, 249, 0.92);
    border: 1px solid rgba(216, 202, 181, 0.95);
    border-radius: 1.4rem;
    padding: 2rem;
    box-shadow: 0 20px 50px rgba(16, 26, 20, 0.08);
}

.auth-card h1 {
    font-size: 1.4rem;
    margin-top: 0;
}

.auth-card .btn {
    width: 100%;
    text-align: center;
    margin-top: .5rem;
}

/* Legal / info pages */
.legal-page {
    max-width: 760px;
    padding: 1rem 0 0;
}

.legal-page p {
    color: var(--on-surface-variant);
    line-height: 1.7;
}

/* Icon.cshtml — stroke/fill both use currentColor */
.icon {
    flex-shrink: 0;
}

/* Footer */
.site-footer {
    position: relative;
    z-index: 1;
    border-top: 1px solid rgba(216, 202, 181, 0.95);
    padding: 1.5rem 1.25rem 2.25rem;
    text-align: center;
    background: rgba(255, 253, 249, 0.4);
}

.footer-logo {
    display: block;
    margin: 0 auto .75rem;
    opacity: .85;
}

.site-footer .footer-copy {
    color: var(--outline);
    font-size: .8rem;
    margin: 0;
}