/**
 * RespiraCare — admin panel (backend only)
 * Simple, self-contained styles; no external UI framework.
 */

:root {
    --admin-sidebar-bg: #1a1d23;
    --admin-sidebar-text: #c8cdd5;
    --admin-sidebar-active: #ffffff;
    --admin-sidebar-hover: #2d323c;
    --admin-accent: #3d8bfd;
    --admin-header-bg: #ffffff;
    --admin-header-border: #e2e5eb;
    --admin-page-bg: #f0f2f5;
    --admin-card-bg: #ffffff;
    --admin-card-border: #e6e9ef;
    --admin-card-shadow: 0 1px 3px rgba(15, 23, 42, 0.08);
    --admin-text: #1f2937;
    --admin-muted: #6b7280;
    --admin-font: system-ui, -apple-system, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
}

/* --- Shell --- */
.admin-body {
    margin: 0;
    font-family: var(--admin-font);
    font-size: 15px;
    line-height: 1.5;
    color: var(--admin-text);
    background: var(--admin-page-bg);
    min-height: 100vh;
}

.admin-app {
    display: flex;
    min-height: 100vh;
}

/* --- Public shell (same design language, no admin sidebar) --- */
.public-body {
    background: var(--admin-page-bg);
}

.public-shell {
    min-height: 100vh;
    display: flex;
    flex-direction: column;
}

.public-header {
    background: var(--admin-header-bg);
    border-bottom: 1px solid var(--admin-header-border);
    padding: 0.9rem 1.5rem;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 1rem;
    flex-wrap: wrap;
}

.public-brand a {
    color: var(--admin-text);
    text-decoration: none;
    font-weight: 700;
    font-size: 1.1rem;
}

.public-brand a span {
    color: var(--admin-accent);
}

.public-nav {
    display: flex;
    gap: 0.6rem;
    align-items: center;
    flex-wrap: wrap;
}

.public-nav a {
    display: inline-block;
    text-decoration: none;
    color: var(--admin-text);
    border: 1px solid var(--admin-card-border);
    border-radius: 6px;
    padding: 0.42rem 0.75rem;
    font-size: 0.92rem;
}

.public-nav a:hover {
    background: #f3f4f6;
    color: var(--admin-text);
}

.public-nav a:focus,
.public-nav a:active {
    color: var(--admin-text);
}

.public-main {
    flex: 1;
    padding: 1.4rem 1rem 2rem;
}

.public-container {
    width: 100%;
    max-width: 980px;
    margin: 0 auto;
}

.public-hero {
    text-align: center;
    padding: 0.5rem 0 0.75rem;
}

.public-hero h1 {
    margin: 0;
    font-size: 2rem;
    font-weight: 700;
    color: var(--admin-text);
}

.public-kicker {
    margin: 0;
    color: var(--admin-muted);
    font-size: 0.95rem;
}

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

.public-cards-grid-single {
    grid-template-columns: minmax(0, 620px);
    justify-content: center;
}

.public-card {
    background: #fbfcfe;
    border: 1px solid var(--admin-card-border);
    border-radius: 10px;
    padding: 1rem 1.1rem;
}

.public-card h3 {
    margin-top: 0;
    margin-bottom: 0.5rem;
}

/* --- Sidebar --- */
.admin-sidebar {
    width: 240px;
    flex-shrink: 0;
    background: var(--admin-sidebar-bg);
    color: var(--admin-sidebar-text);
    display: flex;
    flex-direction: column;
    padding: 1.25rem 0;
}

.admin-sidebar-brand {
    padding: 0 1.25rem 1rem;
    font-weight: 700;
    font-size: 1rem;
    letter-spacing: 0.02em;
    color: var(--admin-sidebar-active);
    border-bottom: 1px solid rgba(255, 255, 255, 0.08);
    margin-bottom: 0.75rem;
}

.admin-sidebar-brand span {
    color: var(--admin-accent);
}

.admin-nav {
    display: flex;
    flex-direction: column;
    gap: 0.25rem;
    padding: 0 0.75rem;
}

.admin-nav a {
    display: block;
    padding: 0.65rem 0.85rem;
    border-radius: 6px;
    color: var(--admin-sidebar-text);
    text-decoration: none;
    font-weight: 500;
    transition: background 0.15s ease, color 0.15s ease;
}

.admin-nav a:hover {
    background: var(--admin-sidebar-hover);
    color: var(--admin-sidebar-active);
}

.admin-nav a.is-active {
    background: rgba(61, 139, 253, 0.15);
    color: var(--admin-sidebar-active);
}

.admin-nav-logout {
    margin-top: auto;
    padding-top: 1rem;
    border-top: 1px solid rgba(255, 255, 255, 0.08);
}

.admin-nav-logout a {
    color: #f0b429;
}

.admin-nav-logout a:hover {
    color: #ffc94d;
}

/* --- Main column --- */
.admin-main {
    flex: 1;
    display: flex;
    flex-direction: column;
    min-width: 0;
}

.admin-header {
    background: var(--admin-header-bg);
    border-bottom: 1px solid var(--admin-header-border);
    padding: 0.9rem 1.5rem;
    display: flex;
    align-items: center;
    justify-content: space-between;
    flex-wrap: wrap;
    gap: 0.5rem 1rem;
}

.admin-header-title {
    margin: 0;
    font-size: 1.15rem;
    font-weight: 600;
    color: var(--admin-text);
}

.admin-header-welcome {
    margin: 0;
    font-size: 0.9rem;
    color: var(--admin-muted);
}

/* Page header row used by admin list pages */
.admin-page-header {
    display: flex;
    align-items: flex-start;
    justify-content: space-between;
    gap: 1rem;
    margin-bottom: 1rem;
}

/* --- Content --- */
.admin-content {
    flex: 1;
    padding: 1.25rem 1.5rem 2rem;
}

.admin-muted {
    margin-top: -0.5rem;
    color: var(--admin-muted);
}

.admin-flash .message {
    margin-bottom: 1rem;
}

.admin-panel-card {
    background: var(--admin-card-bg);
    border: 1px solid var(--admin-card-border);
    border-radius: 10px;
    box-shadow: var(--admin-card-shadow);
    padding: 1.35rem 1.5rem;
}

.admin-panel-card > *:first-child {
    margin-top: 0;
}

.admin-panel-card h2,
.admin-panel-card h3 {
    margin-top: 0;
    margin-bottom: 1rem;
    font-size: 1.2rem;
    font-weight: 600;
}

.admin-panel-card h2 {
    font-size: 1.35rem;
}

/* Tables & actions inside admin card */
.admin-panel-card table {
    width: 100%;
    border-collapse: collapse;
}

.admin-panel-card th,
.admin-panel-card td {
    padding: 0.6rem 0.75rem;
    text-align: left;
    border-bottom: 1px solid var(--admin-card-border);
}

.admin-panel-card th {
    font-weight: 600;
    font-size: 0.85rem;
    text-transform: uppercase;
    letter-spacing: 0.04em;
    color: var(--admin-muted);
}

.admin-panel-card .actions a {
    margin-right: 0.5rem;
}

.admin-table-actions {
    white-space: nowrap;
}

.button.button-link {
    background: transparent;
    border: 1px solid var(--admin-card-border);
    color: var(--admin-text);
}

.button.button-link:hover {
    background: #f3f4f6;
    color: var(--admin-text);
}

.button.button-link:focus,
.button.button-link:active {
    color: var(--admin-text);
}

.button.button-danger {
    border-color: #fecaca;
    color: #b91c1c;
}

.button.button-danger:hover {
    background: #fef2f2;
    color: #b91c1c;
}

.status-badge {
    display: inline-block;
    border-radius: 999px;
    padding: 0.15rem 0.55rem;
    font-size: 0.78rem;
    font-weight: 700;
    letter-spacing: 0.02em;
    border: 1px solid transparent;
}

.status-read {
    background: #ecfdf3;
    border-color: #a7f3d0;
    color: #166534;
}

.status-unread {
    background: #fef2f2;
    border-color: #fecaca;
    color: #991b1b;
}

.button.button-danger:focus,
.button.button-danger:active {
    color: #b91c1c;
}

.admin-panel-card .paginator {
    margin-top: 1rem;
}

.pagination-row {
    display: grid;
    grid-template-columns: 1fr auto 1fr;
    align-items: center;
    width: 100%;
    margin-top: 1rem;
}

.pagination-prev {
    text-align: left;
}

.pagination-pages {
    text-align: center;
}

.pagination-next {
    text-align: right;
}

.pagination-pages a,
.pagination-pages span {
    margin: 0 0.25rem;
}

.pagination-row a {
    text-decoration: none;
    color: #0d6efd;
    font-weight: 500;
}

.pagination-row a:hover {
    text-decoration: underline;
}

.pagination-row .disabled,
.pagination-row span.disabled {
    color: #999;
    pointer-events: none;
    text-decoration: none;
}

.pagination-counter {
    margin-top: 0.5rem;
    font-size: 0.95rem;
    color: #333;
}

/* Forms */
.admin-panel-card fieldset {
    border: none;
    padding: 0;
    margin: 0 0 1rem;
}

.admin-panel-card label {
    display: block;
    margin-bottom: 0.35rem;
    font-weight: 500;
    font-size: 0.9rem;
}

.admin-panel-card input[type="text"],
.admin-panel-card input[type="password"],
.admin-panel-card input[type="email"],
.admin-panel-card textarea,
.admin-panel-card select {
    width: 100%;
    max-width: 32rem;
    padding: 0.5rem 0.65rem;
    border: 1px solid var(--admin-card-border);
    border-radius: 6px;
    font: inherit;
    box-sizing: border-box;
}

.admin-panel-card .submit input[type="submit"],
.admin-panel-card input[type="submit"],
.admin-panel-card .button {
    display: inline-block;
    padding: 0.5rem 1rem;
    background: var(--admin-accent);
    color: #fff;
    border: none;
    border-radius: 6px;
    font-weight: 600;
    cursor: pointer;
    text-decoration: none;
}

.admin-panel-card .submit input[type="submit"]:hover,
.admin-panel-card .submit input[type="submit"]:focus,
.admin-panel-card .submit input[type="submit"]:active,
.admin-panel-card input[type="submit"]:hover,
.admin-panel-card input[type="submit"]:focus,
.admin-panel-card input[type="submit"]:active,
.admin-panel-card .button:hover,
.admin-panel-card .button:focus,
.admin-panel-card .button:active {
    background: #2f74d6;
    color: #fff;
}

/* Keep text color stable for non-primary button variants inside cards */
.admin-panel-card .button.button-link:hover,
.admin-panel-card .button.button-link:focus,
.admin-panel-card .button.button-link:active {
    background: #f3f4f6;
    color: var(--admin-text);
}

.admin-panel-card .button.button-danger:hover,
.admin-panel-card .button.button-danger:focus,
.admin-panel-card .button.button-danger:active {
    background: #fef2f2;
    color: #b91c1c;
}

.admin-panel-card .button.float-right {
    float: right;
    margin-bottom: 1rem;
}

/* --- Dashboard --- */
.admin-dashboard-grid {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 1rem;
    margin: 1rem 0 1.25rem;
}

.admin-summary-card {
    background: #fbfcfe;
    border: 1px solid var(--admin-card-border);
    border-radius: 10px;
    padding: 1rem 1.1rem;
}

.admin-summary-label {
    font-size: 0.85rem;
    color: var(--admin-muted);
    font-weight: 600;
    letter-spacing: 0.02em;
}

.admin-summary-value {
    margin-top: 0.35rem;
    font-size: 1.8rem;
    font-weight: 700;
    color: var(--admin-text);
}

.admin-summary-hint {
    margin-top: 0.35rem;
    font-size: 0.9rem;
    color: var(--admin-muted);
}

.admin-quick-actions {
    margin-top: 0.5rem;
    padding-top: 0.5rem;
    border-top: 1px solid var(--admin-card-border);
}

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

.admin-actions-row.spaced-top {
    margin-top: 1rem;
}

.button.button-secondary {
    background: #4b5563;
}

.button.button-secondary:hover {
    background: #374151;
}

/* --- Login layout (no sidebar) --- */
.admin-login-body {
    margin: 0;
    font-family: var(--admin-font);
    min-height: 100vh;
    background: linear-gradient(160deg, #1a1d23 0%, #2d3748 100%);
    display: flex;
    flex-direction: column;
}

.admin-login-header {
    background: rgba(0, 0, 0, 0.2);
    padding: 1rem 1.5rem;
    color: #fff;
}

.admin-login-header h1 {
    margin: 0;
    font-size: 1.15rem;
    font-weight: 600;
}

.admin-login-header span {
    color: var(--admin-accent);
}

.admin-login-main {
    flex: 1;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 2rem 1rem;
}

.admin-login-card {
    width: 100%;
    max-width: 400px;
    background: var(--admin-card-bg);
    border-radius: 10px;
    box-shadow: 0 12px 40px rgba(0, 0, 0, 0.25);
    padding: 1.75rem 1.75rem 2rem;
}

.admin-login-card h2 {
    margin: 0 0 1.25rem;
    font-size: 1.25rem;
    font-weight: 600;
    color: var(--admin-text);
}

.admin-login-card .message {
    margin-bottom: 1rem;
}

/* Keep forgot-password links clearly separated in login forms */
.admin-login-card .login-forgot-password {
    margin-top: 0.5rem;
    margin-bottom: 1rem;
}

.admin-login-card .login-forgot-password a {
    display: inline-block;
}

/* Keep registration actions and login hint clearly separated */
.admin-login-card .register-form-actions {
    display: block;
    margin-top: 0.75rem;
}

.admin-login-card .register-login-link {
    margin-top: 0.9rem;
    margin-bottom: 0;
    color: var(--admin-muted);
}

.admin-login-card .register-login-link a {
    margin-left: 0.25rem;
}

@media (max-width: 768px) {
    .admin-app {
        flex-direction: column;
    }

    .admin-sidebar {
        width: 100%;
        flex-direction: row;
        flex-wrap: wrap;
        align-items: center;
        padding: 0.75rem 1rem;
    }

    .admin-sidebar-brand {
        width: 100%;
        border-bottom: none;
        margin-bottom: 0;
        padding-bottom: 0.5rem;
    }

    .admin-nav {
        flex-direction: row;
        flex-wrap: wrap;
        width: 100%;
    }

    .admin-nav-logout {
        margin-top: 0;
        padding-top: 0;
        border-top: none;
        margin-left: auto;
    }

    .admin-dashboard-grid {
        grid-template-columns: 1fr;
    }

    .public-cards-grid {
        grid-template-columns: 1fr;
    }
}