* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
    line-height: 1.6;
    color: #333;
    background: #f4f4f4;
}

header {
    background: var(--primary-color, #2b6ea3);
    color: var(--text-color, white);
    padding: 1rem;
    text-align: center;
}

header .banner {
    max-width: 100%;
    height: auto;
    max-height: 200px;
    display: block;
    margin: 0 auto 1rem;
}

header nav a {
    color: var(--text-color, white);
    margin: 0 0.5rem;
    text-decoration: none;
}

main {
    max-width: 1800px;
    margin: 2rem auto;
    padding: 0 1rem;
}

.card {
    background: white;
    padding: 1.5rem;
    margin-bottom: 1rem;
    border-radius: 4px;
    box-shadow: 0 2px 4px rgba(0,0,0,0.1);
}

.card.small {
    padding: 1rem;
}

.form-card input, .form-card textarea {
    width: 100%;
    padding: 0.5rem;
    margin-bottom: 0.5rem;
}

.btn {
    padding: 0.5rem 1rem;
    background: var(--primary-color, #2b6ea3);
    color: white;
    border: none;
    border-radius: 4px;
    cursor: pointer;
    text-decoration: none;
    display: inline-block;
}

.btn:hover {
    opacity: 0.9;
}

.btn:disabled, .btn[disabled] {
    opacity: 0.4;
    cursor: not-allowed;
    pointer-events: none;
}

.btn.outline {
    background: transparent;
    border: 1px solid currentColor;
    color: var(--primary-color, #2b6ea3);
}

.btn.danger {
    color: #c0392b;
}

.flash {
    background: #f39c12;
    color: white;
    padding: 1rem;
    margin-bottom: 1rem;
    border-radius: 4px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 1rem;
}

.flash-close {
    background: none;
    border: none;
    color: white;
    font-size: 1.25rem;
    line-height: 1;
    cursor: pointer;
    padding: 0 0.25rem;
    opacity: 0.8;
    flex-shrink: 0;
    margin-left: auto;
}

.flash-close:hover {
    opacity: 1;
}

.admin-layout {
    display: grid;
    grid-template-columns: 200px 1fr;
    gap: 1rem;
    max-width: 1600px;
    margin: 0 auto;
    overflow-x: hidden;
    width: 100%;
}

.admin-sidebar {
    position: sticky;
    top: 1rem;
    height: fit-content;
}

.admin-main {
    width: 100%;
    min-width: 0;
}

.admin-nav-toggle {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    width: 100%;
    padding: 0.55rem 0.75rem;
    background: var(--primary-color, #4a5568);
    color: #fff;
    border: none;
    border-radius: 6px;
    font-size: 0.95rem;
    cursor: pointer;
    margin-bottom: 0;
}

.admin-nav-toggle:hover {
    opacity: 0.85;
}

.admin-nav {
    list-style: none;
    display: none;
    margin-top: 0.5rem;
}

.admin-nav.admin-nav-open {
    display: block;
}

.admin-nav a {
    display: block;
    padding: 0.5rem;
    color: #333;
    text-decoration: none;
}

.admin-nav a:hover, .admin-nav a.active {
    background: #f0f0f0;
}

.admin-subnav {
    list-style: none;
    margin: 0;
    padding: 0;
}

.admin-subnav a {
    display: block;
    padding: 0.3rem 0.5rem 0.3rem 1.25rem;
    color: #555;
    text-decoration: none;
    font-size: 0.875em;
}

.admin-subnav a:hover, .admin-subnav a.active {
    background: #f0f0f0;
    color: #333;
}

.form-inline {
    display: flex;
    gap: 0.5rem;
    align-items: center;
    flex-wrap: wrap;
}

.table-wrapper {
    overflow-x: auto;
    -webkit-overflow-scrolling: touch;
}

.table {
    width: 100%;
    border-collapse: collapse;
    font-size: 0.875em;
}

.table th, .table td {
    padding: 0.4rem 0.5rem;
    text-align: left;
    border-bottom: 1px solid #ddd;
    word-break: break-word;
}

.pagination {
    display: flex;
    gap: 0.5rem;
    margin-top: 1rem;
}

.pagination .btn.active {
    background: #333;
}

footer {
    text-align: center;
    padding: 1rem;
    color: #666;
}

/* ── Row-action dropdown (shared across admin tables) ─────────────── */
.user-actions-dropdown {
    position: relative;
    display: inline-block;
}
.user-actions-toggle {
    white-space: nowrap;
    padding: 0.3rem 0.6rem;
    font-size: 0.85em;
}
.user-actions-panel {
    position: absolute;
    right: 0;
    top: calc(100% + 4px);
    z-index: 200;
    background: #fff;
    border: 1px solid #ddd;
    border-radius: 6px;
    box-shadow: 0 4px 12px rgba(0,0,0,0.15);
    min-width: 150px;
    padding: 0.35rem;
    display: flex;
    flex-direction: column;
    gap: 0.25rem;
}
.user-action-btn {
    font-size: 0.85em;
    padding: 0.35rem 0.55rem;
    text-align: left;
}

/* ── Hamburger button (hidden on desktop) ─────────────────────────── */
.nav-hamburger {
    display: none;
    background: transparent;
    border: none;
    color: inherit;
    font-size: 1.6rem;
    line-height: 1;
    cursor: pointer;
    padding: 0.3rem 0.5rem;
    border-radius: 4px;
    transition: background 0.15s;
    flex-shrink: 0;
    align-self: flex-end;
}
.nav-hamburger:hover {
    background: rgba(255,255,255,0.15);
}

/* ── Mobile Responsive Styles ─────────────────────────────────────── */
@media (max-width: 768px) {
    /* Hamburger visible on mobile */
    .nav-hamburger {
        display: inline-block;
    }
    /* Nav becomes a flex column; hamburger always shows, links hidden by default */
    header nav,
    nav.site-nav {
        flex-direction: column;
        width: 100%;
        gap: 0;
        align-items: flex-start;
    }
    /* Links hidden by default on mobile */
    header nav a,
    nav.site-nav a {
        display: none;
        padding: 0.6rem 0.75rem;
        background: rgba(255,255,255,0.12);
        border-radius: 6px;
        margin: 0.1rem 0;
        width: 100%;
        text-align: left;
        box-sizing: border-box;
    }
    /* Links visible when nav is open */
    header nav.nav-open a,
    nav.site-nav.nav-open a {
        display: block;
    }

    /* Admin layout — stack to single column.
       !important needed: every template has an inline grid-template-columns. */
    .admin-layout {
        grid-template-columns: 1fr !important;
    }
    /* Reset help_sidebar's grid-column: 2 / -1 which breaks 1-col grid */
    .admin-layout > main,
    .admin-layout > .admin-main {
        grid-column: 1 !important;
    }
    .admin-sidebar {
        position: static;
        order: -1;
    }
    .admin-nav.admin-nav-open {
        display: grid;
        grid-template-columns: 1fr 1fr;
        gap: 0.25rem;
    }
    .admin-nav a {
        text-align: center;
        background: #f0f0f0;
        border-radius: 4px;
        font-size: 0.85em;
        padding: 0.45rem 0.5rem;
    }
    .admin-subnav {
        display: none; /* hide sub-nav on mobile to save space */
    }
    /* Stack label+input form grids inside admin content */
    .admin-main div[style*="180px 1fr"],
    .admin-main div[style*="160px 1fr"],
    .admin-main div[style*="200px 1fr"],
    .admin-main div[style*="190px 1fr"],
    .admin-main div[style*="140px 1fr"],
    .admin-main div[style*="150px 1fr"],
    .admin-main div[style*="210px 1fr"],
    .admin-main div[style*="220px 1fr"],
    .admin-main div[style*="170px 1fr"],
    .admin-main div[style*="120px 1fr"],
    .admin-main div[style*="100px 1fr"] {
        grid-template-columns: 1fr !important;
        max-width: 100% !important;
    }

    /* Responsive table scrolling */
    .table-wrapper {
        overflow-x: auto;
        -webkit-overflow-scrolling: touch;
    }

    /* Cards */
    .card {
        padding: 1rem;
    }
    main {
        padding: 0 0.5rem;
        margin: 1rem auto;
    }

    /* Touch-friendly buttons — but NOT small variants */
    .btn:not(.btn-sm) {
        min-height: 44px;
        padding: 0.75rem 1rem;
    }

    /* Form inputs full-width */
    input[type="text"],
    input[type="email"],
    input[type="password"],
    input[type="number"],
    input[type="search"],
    textarea,
    select {
        width: 100%;
        max-width: 100%;
    }

    /* Form inline — stack on mobile */
    .form-inline {
        flex-direction: column;
        align-items: stretch;
    }
    .form-inline .btn,
    .form-inline input,
    .form-inline select {
        width: 100%;
    }

    /* Pagination */
    .pagination {
        flex-wrap: wrap;
        justify-content: center;
    }
    .pagination .btn {
        padding: 0.5rem 0.75rem;
        min-height: auto;
    }

    /* Fix action dropdown going off-screen */
    .user-actions-panel {
        right: auto;
        left: 0;
    }

    /* Stats / categories grids */
    .stats-grid {
        grid-template-columns: 1fr !important;
    }
    .categories-grid {
        grid-template-columns: 1fr !important;
    }

    /* Flash messages */
    .flash {
        flex-wrap: wrap;
        font-size: 0.9em;
    }

    /* Hide non-essential table columns on mobile */
    .col-hide-mobile { display: none !important; }
    /* Allow fixed-layout tables to reflow after column hiding */
    .table { table-layout: auto !important; }

    /* Card-style responsive table (add .table-cards to <table>) */
    .table.table-cards thead { display: none; }
    .table.table-cards tbody tr {
        display: block;
        margin-bottom: 0.85rem;
        border: 1px solid #e0e0e0;
        border-radius: 8px;
        padding: 0.65rem 0.85rem;
        background: #fafafa;
    }
    .table.table-cards tbody td {
        display: flex;
        gap: 0.5rem;
        padding: 0.3rem 0;
        border: none;
        font-size: 0.875em;
        align-items: flex-start;
    }
    .table.table-cards tbody td::before {
        content: attr(data-label);
        font-weight: 600;
        min-width: 78px;
        color: #666;
        font-size: 0.82em;
        flex-shrink: 0;
        padding-top: 2px;
        text-transform: uppercase;
        letter-spacing: 0.02em;
    }
    .table.table-cards tbody td[data-label=""] { display: none; }
}

/* ── Tablet adjustments ───────────────────────────────────────────── */
@media (min-width: 769px) and (max-width: 1024px) {
    .admin-layout {
        grid-template-columns: 180px 1fr !important;
    }
    main {
        max-width: 100%;
        padding: 0 1.5rem;
    }
    .stats-grid {
        grid-template-columns: repeat(2, 1fr) !important;
    }
}