:root {
    --admin-ink: #13241f;
    --admin-muted: #4d665c;
    --admin-accent: #1f6b58;
    --admin-danger: #9b2c2c;
    --admin-bg: #edf3f0;
    --admin-panel: #ffffff;
}

* {
    box-sizing: border-box;
}

body.admin-login,
body.admin-app {
    margin: 0;
    min-height: 100vh;
    font-family: "Source Sans 3", sans-serif;
    color: var(--admin-ink);
    background:
        radial-gradient(ellipse 70% 45% at 0% 0%, rgba(31, 107, 88, 0.18), transparent 55%),
        linear-gradient(160deg, #f7fbf9, #e4eee9);
}

.admin-login {
    display: grid;
    place-items: center;
    padding: 2rem;
}

.admin-login-card {
    width: min(420px, 100%);
    background: var(--admin-panel);
    border: 1px solid rgba(19, 36, 31, 0.1);
    padding: 1.75rem;
    box-shadow: 0 18px 40px rgba(19, 36, 31, 0.08);
}

.admin-eyebrow {
    text-transform: uppercase;
    letter-spacing: 0.12em;
    font-size: 0.75rem;
    font-weight: 700;
    color: var(--admin-accent);
    margin: 0 0 0.5rem;
}

.admin-login-card h1,
.admin-header h1 {
    font-family: "Fraunces", serif;
    margin: 0 0 0.5rem;
}

.admin-lead,
.admin-header p,
.admin-hint,
.admin-back {
    color: var(--admin-muted);
}

.admin-form {
    display: grid;
    gap: 0.9rem;
    margin-top: 1.2rem;
}

.admin-form label,
.admin-inline-form label {
    display: grid;
    gap: 0.35rem;
    font-weight: 600;
}

.admin-form input,
.admin-inline-form input,
.row-form input,
.row-form select,
.admin-table select {
    font: inherit;
    padding: 0.65rem 0.75rem;
    border: 1px solid rgba(19, 36, 31, 0.18);
    border-radius: 0.35rem;
}

.admin-form button,
.admin-inline-form button,
.row-form button {
    font: inherit;
    font-weight: 700;
    border: none;
    border-radius: 0.35rem;
    padding: 0.65rem 0.9rem;
    background: var(--admin-accent);
    color: #f7fffb;
    cursor: pointer;
}

.row-form button.danger {
    background: var(--admin-danger);
}

.admin-hint code {
    background: #eef5f2;
    padding: 0.1rem 0.35rem;
    border-radius: 0.25rem;
}

.admin-back a {
    color: var(--admin-accent);
}

.admin-app {
    display: grid;
    grid-template-columns: 220px 1fr;
    min-height: 100vh;
}

.admin-side {
    background: #14352e;
    color: #e8f4ef;
    padding: 1.5rem 1.1rem;
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
}

.admin-brand {
    font-family: "Fraunces", serif;
    font-size: 1.35rem;
    margin: 0;
}

.admin-role {
    margin: 0;
    font-size: 0.78rem;
    letter-spacing: 0.08em;
    opacity: 0.8;
}

.admin-side nav {
    display: grid;
    gap: 0.35rem;
    margin-top: 1rem;
}

.admin-side a {
    color: #d5ebe3;
    text-decoration: none;
    padding: 0.55rem 0.65rem;
    border-radius: 0.35rem;
    font-weight: 600;
}

.admin-side a.active,
.admin-side a:hover {
    background: rgba(255, 255, 255, 0.1);
}

.admin-side-note {
    margin-top: auto;
    font-size: 0.85rem;
    opacity: 0.75;
}

.admin-main {
    padding: 1.5rem 1.75rem 3rem;
}

.stat-row {
    display: grid;
    grid-template-columns: repeat(4, minmax(0, 1fr));
    gap: 0.85rem;
    margin: 1.25rem 0;
}

.stat-row article {
    background: var(--admin-panel);
    border: 1px solid rgba(19, 36, 31, 0.08);
    padding: 1rem;
}

.stat-row span {
    display: block;
    color: var(--admin-muted);
    font-size: 0.85rem;
}

.stat-row strong {
    font-size: 1.6rem;
    font-family: "Fraunces", serif;
}

.admin-panel {
    background: var(--admin-panel);
    border: 1px solid rgba(19, 36, 31, 0.08);
    padding: 1.2rem;
    margin-bottom: 1.2rem;
}

.admin-panel h2 {
    margin: 0 0 0.9rem;
    font-family: "Fraunces", serif;
    font-size: 1.25rem;
}

.admin-inline-form {
    display: flex;
    flex-wrap: wrap;
    gap: 0.55rem;
}

.admin-table-wrap {
    overflow-x: auto;
}

.admin-table {
    width: 100%;
    border-collapse: collapse;
    font-size: 0.92rem;
}

.admin-table th,
.admin-table td {
    text-align: left;
    padding: 0.65rem 0.45rem;
    border-bottom: 1px solid rgba(19, 36, 31, 0.08);
    vertical-align: top;
}

.admin-table th {
    color: var(--admin-muted);
    font-size: 0.8rem;
    text-transform: uppercase;
    letter-spacing: 0.04em;
}

.actions {
    min-width: 280px;
}

.row-form {
    display: flex;
    flex-wrap: wrap;
    gap: 0.35rem;
    margin-bottom: 0.4rem;
}

.flash {
    padding: 0.7rem 0.85rem;
    border-radius: 0.35rem;
    margin: 0.75rem 0;
}

.flash.good {
    background: rgba(31, 107, 88, 0.12);
    color: #145244;
}

.flash.bad {
    background: rgba(155, 44, 44, 0.12);
    color: #7a1f1f;
}

@media (max-width: 900px) {
    .admin-app {
        grid-template-columns: 1fr;
    }

    .stat-row {
        grid-template-columns: 1fr 1fr;
    }
}

/* Study Content Manager */
.cms-breadcrumb {
    margin: 0 0 0.75rem;
    color: var(--admin-muted);
    font-size: 0.92rem;
}

.cms-breadcrumb a {
    color: var(--admin-accent);
    text-decoration: none;
    font-weight: 700;
}

.cms-toolbar {
    display: flex;
    justify-content: space-between;
    gap: 1rem;
    align-items: center;
    flex-wrap: wrap;
}

.cms-search {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
}

.cms-search input,
.cms-search select,
.cms-create-grid input,
.cms-create-grid select,
.cms-age-form input,
.cms-age-form select {
    font: inherit;
    padding: 0.6rem 0.7rem;
    border: 1px solid rgba(19, 36, 31, 0.18);
    border-radius: 0.35rem;
}

.cms-search button,
.cms-create-grid button,
.cms-save-bar button,
.cms-age-form button[type="submit"],
.cms-link-btn {
    font: inherit;
    font-weight: 700;
    border: none;
    border-radius: 0.35rem;
    padding: 0.55rem 0.9rem;
    background: var(--admin-accent);
    color: #f7fffb;
    cursor: pointer;
    text-decoration: none;
    display: inline-flex;
    align-items: center;
}

a.cms-link-btn {
    background: rgba(31, 107, 88, 0.12);
    color: var(--admin-accent);
}

.cms-create-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 0.75rem;
}

.cms-create-grid label,
.cms-age-form label {
    display: grid;
    gap: 0.3rem;
    font-weight: 600;
    font-size: 0.92rem;
}

.cms-create-grid .full {
    grid-column: 1 / -1;
}

.cms-unit-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(260px, 1fr));
    gap: 0.85rem;
}

.cms-unit-card {
    border: 1px solid rgba(19, 36, 31, 0.1);
    background: #fbfefc;
    padding: 0.95rem;
    display: flex;
    flex-direction: column;
    gap: 0.55rem;
}

.cms-unit-top {
    display: flex;
    gap: 0.65rem;
    align-items: flex-start;
}

.cms-emoji {
    font-size: 1.6rem;
    line-height: 1;
}

.cms-unit-card h3 {
    margin: 0;
    font-family: "Fraunces", serif;
    font-size: 1.05rem;
}

.cms-unit-card p {
    margin: 0.2rem 0 0;
    color: var(--admin-muted);
    font-size: 0.85rem;
}

.cms-meta {
    font-weight: 700;
    color: var(--admin-accent) !important;
}

.cms-card-actions {
    display: flex;
    flex-wrap: wrap;
    gap: 0.45rem;
    align-items: center;
    margin-top: auto;
}

.cms-card-actions form {
    display: flex;
    flex-wrap: wrap;
    gap: 0.35rem;
    align-items: center;
}

.cms-check {
    font-size: 0.8rem;
    font-weight: 600;
    color: var(--admin-muted);
    display: inline-flex;
    gap: 0.25rem;
    align-items: center;
}

.cms-subhead {
    margin: 1.25rem 0 0.65rem;
    font-family: "Fraunces", serif;
    font-size: 1.05rem;
}

.cms-panel-head {
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 0.75rem;
    margin-bottom: 0.5rem;
}

.cms-panel-head h2 {
    margin: 0;
}

.cms-activity-list {
    display: grid;
    gap: 0.85rem;
}

.cms-activity-card {
    border: 1px solid rgba(19, 36, 31, 0.1);
    background: #f7fbf9;
    padding: 0.85rem;
}

.cms-activity-head {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 0.65rem;
}

.cms-save-bar {
    display: flex;
    gap: 0.85rem;
    align-items: center;
    margin-top: 1rem;
    flex-wrap: wrap;
}

.cms-save-bar a {
    color: var(--admin-accent);
    font-weight: 700;
}

.cms-age-tabs {
    display: flex;
    flex-wrap: wrap;
    gap: 0.4rem;
    margin: 0.5rem 0 1rem;
}

.cms-age-tabs a {
    text-decoration: none;
    font-weight: 700;
    padding: 0.45rem 0.75rem;
    border-radius: 0.35rem;
    background: rgba(255, 255, 255, 0.7);
    color: var(--admin-muted);
    border: 1px solid rgba(19, 36, 31, 0.08);
}

.cms-age-tabs a.active {
    background: var(--admin-accent);
    color: #f7fffb;
    border-color: var(--admin-accent);
}

.cms-path-layout {
    display: grid;
    grid-template-columns: 1.2fr 0.8fr;
    gap: 1rem;
    margin-top: 0.75rem;
}

.cms-unit-pick {
    max-height: 28rem;
    overflow: auto;
    border: 1px solid rgba(19, 36, 31, 0.1);
    padding: 0.5rem;
    background: #fbfefc;
}

.cms-pick-row {
    display: grid;
    grid-template-columns: auto 1fr auto;
    gap: 0.5rem;
    align-items: center;
    padding: 0.45rem 0.35rem;
    border-bottom: 1px solid rgba(19, 36, 31, 0.06);
    font-weight: 600;
}

.cms-selected-order {
    border: 1px solid rgba(19, 36, 31, 0.1);
    padding: 0.85rem;
    background: #fff;
}

.cms-selected-order h3 {
    margin: 0 0 0.65rem;
    font-family: "Fraunces", serif;
}

.cms-order-list {
    margin: 0 0 1rem;
    padding-left: 1.2rem;
}

.cms-order-list li {
    margin-bottom: 0.45rem;
}

.cms-order-list .muted {
    color: var(--admin-muted);
    list-style: none;
    margin-left: -1.2rem;
}

.order-btn {
    margin-left: 0.35rem;
    border: 1px solid rgba(19, 36, 31, 0.15);
    background: #fff;
    border-radius: 0.25rem;
    cursor: pointer;
    font-weight: 700;
}

@media (max-width: 900px) {
    .cms-create-grid,
    .cms-path-layout {
        grid-template-columns: 1fr;
    }
}