:root {
    --bg: #f4f7f5;
    --surface: #ffffff;
    --ink: #1a2620;
    --ink-soft: #5b6b65;
    --line: #e1e8e4;
    --line-strong: #c9d6cf;

    --accent: #16a34a;
    --accent-dark: #15803d;
    --accent-darker: #14532d;
    --accent-tint: #dcfce7;
    --accent-ink: #ffffff;

    --warn: #b14a00;
    --danger: #b00020;
    --ok: #15803d;

    --shadow-sm: 0 1px 2px rgba(20, 35, 25, 0.05);
    --shadow: 0 1px 2px rgba(20, 35, 25, 0.04), 0 6px 18px rgba(20, 35, 25, 0.06);
    --shadow-lg: 0 10px 30px rgba(20, 35, 25, 0.10);

    --radius: 10px;
    --radius-lg: 14px;
}

* { box-sizing: border-box; }
html, body { margin: 0; padding: 0; }
body {
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
    background: var(--bg);
    color: var(--ink);
    font-size: 14px;
    line-height: 1.5;
}

a { color: var(--accent-dark); text-decoration: none; }
a:hover { text-decoration: underline; }

/* ---------- Topbar ---------- */
.topbar {
    background: linear-gradient(135deg, var(--accent-darker) 0%, var(--accent-dark) 50%, var(--accent) 100%);
    color: #fff;
    padding: 10px 28px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    box-shadow: 0 2px 8px rgba(20, 50, 30, 0.18);
}
.topbar .brand a {
    color: #fff;
    font-weight: 600;
    font-size: 17px;
    letter-spacing: 0.2px;
    display: inline-flex;
    align-items: center;
    gap: 10px;
}
.brand-icon {
    width: 22px;
    height: 22px;
    color: #fff;
    opacity: 0.95;
}
.main-nav {
    display: flex;
    align-items: center;
    gap: 4px;
    flex: 1;
    margin: 0 24px;
}
.nav-link {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    color: rgba(255, 255, 255, 0.85);
    text-decoration: none;
    padding: 7px 14px;
    border-radius: 8px;
    font-size: 13px;
    font-weight: 500;
    transition: background 120ms ease;
}
.nav-link:hover { background: rgba(255, 255, 255, 0.12); color: #fff; text-decoration: none; }
.nav-link.active {
    background: rgba(255, 255, 255, 0.95);
    color: var(--accent-darker);
}
.nav-ico { font-size: 14px; }

.user-nav {
    display: flex;
    align-items: center;
    gap: 14px;
    font-size: 13px;
}
.user-name {
    color: rgba(255, 255, 255, 0.92);
}
.role-pill {
    background: rgba(255, 255, 255, 0.18);
    color: #fff;
    padding: 3px 10px;
    border-radius: 999px;
    font-size: 11px;
    font-weight: 600;
    letter-spacing: 0.4px;
    text-transform: uppercase;
}
.btn-logout {
    background: rgba(255, 255, 255, 0.92);
    color: var(--accent-darker);
    border: 1px solid rgba(255, 255, 255, 0.4);
    padding: 6px 14px;
    border-radius: 8px;
    font-weight: 500;
    font-size: 13px;
    text-decoration: none;
}
.btn-logout:hover { background: #fff; text-decoration: none; }

/* ---------- Container + cards ---------- */
.container {
    max-width: 1200px;
    margin: 24px auto;
    padding: 0 20px;
    display: grid;
    gap: 18px;
}
.card {
    background: var(--surface);
    border: 1px solid var(--line);
    border-radius: var(--radius-lg);
    padding: 22px 26px;
    box-shadow: var(--shadow);
}
.card h2 {
    margin: 0 0 16px;
    font-size: 16px;
    font-weight: 600;
    display: flex;
    align-items: center;
    gap: 10px;
}
.card h2::before {
    content: "";
    width: 4px;
    height: 18px;
    background: var(--accent);
    border-radius: 2px;
}

/* ---------- Forms ---------- */
.upload-form {
    display: grid;
    gap: 14px;
    grid-template-columns: repeat(2, minmax(0, 1fr));
}
.upload-form label {
    display: grid;
    gap: 6px;
    font-size: 13px;
    color: var(--ink-soft);
}
.upload-form input[type=text],
.upload-form input[type=email],
.upload-form input[type=url],
.upload-form input[type=file],
.upload-form input[type=datetime-local],
.upload-form select,
.settings-form input[type=text],
.settings-form input[type=email],
.settings-form input[type=url] {
    padding: 9px 12px;
    border: 1px solid var(--line-strong);
    border-radius: 8px;
    background: #fafdfb;
    color: var(--ink);
    font: inherit;
    transition: border-color 120ms ease, box-shadow 120ms ease;
}
.upload-form input:focus,
.upload-form select:focus,
.settings-form input:focus {
    outline: none;
    border-color: var(--accent);
    box-shadow: 0 0 0 3px rgba(22, 163, 74, 0.15);
}
.upload-form .form-actions {
    grid-column: 1 / -1;
}

/* ---------- Buttons ---------- */
.btn {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    border: 1px solid var(--line-strong);
    background: #fff;
    color: var(--ink);
    padding: 8px 14px;
    border-radius: 8px;
    cursor: pointer;
    font: inherit;
    text-decoration: none;
    transition: background 120ms ease, transform 120ms ease;
}
.btn:hover { background: #f0f5f2; text-decoration: none; }
.btn-primary {
    background: var(--accent);
    color: var(--accent-ink);
    border-color: var(--accent);
}
.btn-primary:hover { background: var(--accent-dark); }
.btn-ghost { background: transparent; }
.btn-small { padding: 4px 10px; font-size: 12px; }
.btn-danger { color: var(--danger); border-color: #f5cdd0; }
.btn-danger:hover { background: #fbeaec; }

/* ---------- Tables ---------- */
.data-table {
    width: 100%;
    border-collapse: collapse;
}
.data-table th,
.data-table td {
    text-align: left;
    padding: 10px 12px;
    border-bottom: 1px solid var(--line);
    vertical-align: middle;
}
.data-table th {
    font-size: 11px;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    color: var(--ink-soft);
    font-weight: 600;
    background: #f7faf8;
}
.data-table tbody tr:hover { background: #f7faf8; }
.data-table tr.row-disabled { opacity: 0.55; }
.data-table .num { text-align: right; font-variant-numeric: tabular-nums; }
.data-table .actions { white-space: nowrap; }
.data-table .actions form { display: inline; margin-left: 4px; }

/* ---------- Badges ---------- */
.badge {
    display: inline-block;
    padding: 3px 10px;
    border-radius: 999px;
    font-size: 11px;
    text-transform: uppercase;
    letter-spacing: 0.4px;
    font-weight: 600;
}
.badge-public { background: var(--accent-tint); color: var(--accent-darker); }
.badge-internal { background: #fdecdc; color: var(--warn); }
.badge-on { background: var(--accent-tint); color: var(--accent-darker); }
.badge-off { background: #f1f3f1; color: var(--ink-soft); }

.status-ok { color: var(--accent-dark); font-weight: 500; }
.status-off { color: var(--ink-soft); }

.empty {
    color: var(--ink-soft);
    font-style: italic;
    padding: 16px 0;
}

/* ---------- Flash ---------- */
.flash {
    padding: 12px 16px;
    border-radius: 10px;
    border: 1px solid;
    margin-bottom: 4px;
    font-size: 13px;
}
.flash-ok { background: var(--accent-tint); border-color: #b6e6c5; color: var(--accent-darker); }
.flash-error { background: #fbeaec; border-color: #f5cdd0; color: var(--danger); }

.footer {
    text-align: center;
    color: var(--ink-soft);
    padding: 28px 16px 36px;
    font-size: 12px;
}

.error-card { text-align: center; }
.error-card h1 { font-size: 64px; margin: 0; color: var(--accent-dark); }
.error-card .lead { font-size: 16px; }
.error-card .hint { color: var(--ink-soft); }

/* ---------- Settings (collapsible row) ---------- */
.settings-form {
    display: grid;
    gap: 10px;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    padding: 14px 16px;
    background: #f7faf8;
    border: 1px solid var(--line);
    border-radius: 10px;
    margin-top: 10px;
}
.settings-form label {
    display: grid;
    gap: 4px;
    font-size: 12px;
    color: var(--ink-soft);
}
.settings-form .checks {
    grid-column: 1 / -1;
    display: flex;
    flex-wrap: wrap;
    gap: 18px;
    font-size: 13px;
    color: var(--ink);
}
.settings-form .checks label {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    font-size: 13px;
    color: var(--ink);
}
.settings-form .form-actions {
    grid-column: 1 / -1;
}
details.settings-row > summary {
    cursor: pointer;
    color: var(--accent-dark);
    font-size: 12px;
    list-style: none;
    user-select: none;
}
details.settings-row > summary::before {
    content: "▸ ";
}
details.settings-row[open] > summary::before {
    content: "▾ ";
}

/* ---------- Dropzone ---------- */
.dropzone {
    grid-column: 1 / -1;
    border: 2px dashed var(--line-strong);
    border-radius: 12px;
    padding: 28px 18px;
    background: #f7faf8;
    text-align: center;
    cursor: pointer;
    position: relative;
    transition: border-color 120ms ease, background 120ms ease;
}
.dropzone.drag-over { border-color: var(--accent); background: var(--accent-tint); }
.dropzone.has-file { border-style: solid; border-color: var(--accent); background: #fff; }
.dropzone input[type=file] {
    position: absolute; inset: 0;
    opacity: 0; cursor: pointer;
}
.dropzone-icon { font-size: 28px; line-height: 1; margin-bottom: 8px; }
.dropzone-label { color: var(--ink-soft); font-size: 14px; }
.dropzone .preview-btn {
    margin-top: 10px;
    position: relative;
    z-index: 2;
}

/* ---------- Modal ---------- */
.modal-backdrop {
    position: fixed; inset: 0;
    background: rgba(20, 35, 25, 0.55);
    display: flex; align-items: center; justify-content: center;
    z-index: 1000;
    padding: 16px;
}
.modal {
    background: #fff;
    border-radius: 14px;
    box-shadow: var(--shadow-lg);
    width: 100%;
    max-width: 1100px;
    height: 85vh;
    display: flex;
    flex-direction: column;
    overflow: hidden;
}
.modal-head {
    padding: 14px 18px;
    border-bottom: 1px solid var(--line);
    display: flex; align-items: center; justify-content: space-between;
}
.modal-head h3 { margin: 0; font-size: 16px; font-weight: 600; }
.modal-foot {
    padding: 10px 18px;
    border-top: 1px solid var(--line);
    display: flex; align-items: center; justify-content: space-between;
    font-size: 13px;
    color: var(--ink-soft);
}
.preview-iframe {
    flex: 1;
    border: 0;
    background: #fff;
    width: 100%;
}

/* ---------- Tags ---------- */
.tag-chip {
    display: inline-block;
    padding: 2px 8px;
    border-radius: 999px;
    font-size: 11px;
    font-weight: 600;
    color: #fff;
    margin-right: 4px;
    line-height: 1.4;
}
.tag-filter-pills {
    display: flex; flex-wrap: wrap; gap: 6px;
    margin-bottom: 12px;
}
.tag-filter-pills a {
    display: inline-flex; align-items: center;
    padding: 4px 12px;
    background: #fff;
    border: 1px solid var(--line-strong);
    border-radius: 999px;
    font-size: 12px;
    color: var(--ink);
    text-decoration: none;
    transition: background 120ms ease;
}
.tag-filter-pills a:hover { background: var(--accent-tint); text-decoration: none; }
.tag-filter-pills a.active { background: var(--accent); color: #fff; border-color: var(--accent); }

/* ---------- Pagination ---------- */
.pager {
    display: flex; gap: 6px; align-items: center;
    margin-top: 14px; justify-content: center;
    color: var(--ink-soft); font-size: 13px;
}
.pager a, .pager span.page-cur {
    padding: 5px 10px;
    border: 1px solid var(--line-strong);
    border-radius: 6px;
    text-decoration: none;
    color: var(--ink);
    font-size: 12px;
}
.pager a:hover { background: #f0f5f2; text-decoration: none; }
.pager span.page-cur { background: var(--accent); color: #fff; border-color: var(--accent); }

th.sortable { cursor: pointer; user-select: none; }
th.sortable a { color: inherit; text-decoration: none; }
th.sortable a:hover { color: var(--accent-dark); }
th.sortable .arrow { font-size: 10px; opacity: 0.7; margin-left: 3px; }

/* ---------- Audit ---------- */
.audit-action {
    font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
    font-size: 12px;
    background: #f1f3f1;
    padding: 2px 8px;
    border-radius: 4px;
    color: var(--accent-darker);
}

/* ---------- Sparkline + stats ---------- */
.sparkline-cell {
    display: flex;
    align-items: center;
    gap: 8px;
}
.sparkline {
    display: block;
    flex-shrink: 0;
}
.conv-rate {
    font-variant-numeric: tabular-nums;
    font-size: 12px;
    color: var(--ink-soft);
}
.conv-rate strong { color: var(--accent-dark); }

/* ---------- Versions ---------- */
.version-current {
    background: var(--accent-tint);
    font-weight: 600;
}
.version-note {
    color: var(--ink-soft);
    font-size: 12px;
}

/* ---------- Filters bar ---------- */
.filters {
    display: flex;
    flex-wrap: wrap;
    gap: 12px;
    align-items: end;
    margin-bottom: 14px;
}
.filters label {
    display: grid;
    gap: 4px;
    font-size: 12px;
    color: var(--ink-soft);
}
.filters input,
.filters select {
    padding: 7px 10px;
    border: 1px solid var(--line-strong);
    border-radius: 6px;
    background: #fafdfb;
    font: inherit;
}

/* ---------- Submissions ---------- */
.subs-table .fields {
    font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
    font-size: 12px;
    white-space: pre-wrap;
    color: var(--ink);
}
.tag {
    display: inline-block;
    padding: 2px 7px;
    border-radius: 6px;
    font-size: 11px;
    font-weight: 600;
}
.tag-ok { background: var(--accent-tint); color: var(--accent-darker); }
.tag-fail { background: #fbeaec; color: var(--danger); }
.tag-skip { background: #f1f3f1; color: var(--ink-soft); }

/* ---------- Login splash (green) ---------- */
.login-page {
    min-height: 100vh;
    margin: 0;
    background:
        radial-gradient(120% 120% at 50% 0%, #2fbf6d 0%, #15803d 45%, #103d24 100%);
    color: var(--ink);
    display: flex;
}
.login-shell {
    margin: auto;
    padding: 32px 16px;
    width: 100%;
    max-width: 480px;
    display: grid;
    gap: 16px;
    justify-items: center;
}
.login-card {
    width: 100%;
    background: #fff;
    border-radius: 18px;
    padding: 48px 44px 40px;
    box-shadow: 0 20px 50px rgba(10, 50, 25, 0.30),
                0 4px 12px rgba(10, 50, 25, 0.15);
    text-align: center;
    display: grid;
    gap: 16px;
    justify-items: center;
}
.login-icon {
    color: var(--accent-dark);
    width: 72px;
    height: 72px;
    display: grid;
    place-items: center;
}
.login-title {
    font-size: 28px;
    line-height: 1.15;
    font-weight: 700;
    margin: 0;
    letter-spacing: -0.01em;
}
.login-lead {
    margin: 0 0 8px;
    color: var(--ink-soft);
    font-size: 14px;
    max-width: 320px;
}
.ms-button {
    display: inline-flex;
    align-items: center;
    gap: 12px;
    background: #1f1f23;
    color: #ffffff;
    text-decoration: none;
    padding: 12px 22px;
    border-radius: 8px;
    font-weight: 500;
    font-size: 15px;
    transition: background 120ms ease, transform 120ms ease;
}
.ms-button:hover {
    background: #2c2c33;
    text-decoration: none;
    transform: translateY(-1px);
}
.ms-button:active { transform: translateY(0); }
.ms-logo { display: block; }
.login-error {
    color: var(--danger);
    font-size: 13px;
    margin: 0;
}
.login-foot {
    color: rgba(255,255,255,0.7);
    font-size: 12px;
    margin: 0;
    letter-spacing: 0.4px;
}