/* =====================================================
   Reesearch — Design System
   ===================================================== */

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

:root {
    /* Huiskleuren Reelink */
    --anthracite:      #2C3E50;   /* hoofdkleur: antraciet */
    --anthracite-2:    #1f2d3d;   /* diepere variant */
    --anthracite-soft: #3d5169;   /* zachtere variant */
    --ree-green:       #8FD69E;   /* accent: licht groen "Ree" */
    --ree-green-2:     #6fc684;   /* diepere groen voor hover */
    --ree-green-soft:  #e6f6ea;   /* zachte groen tint */

    --brand-1: var(--anthracite);
    --brand-2: var(--ree-green);
    --brand-3: var(--ree-green-2);
    --brand-gradient: linear-gradient(135deg, var(--anthracite) 0%, var(--anthracite-2) 100%);
    --brand-gradient-soft: linear-gradient(135deg, rgba(44,62,80,0.04), rgba(143,214,158,0.08));

    /* Surfaces */
    --bg: #f6f8f7;
    --bg-2: #eceff2;
    --surface: #ffffff;
    --surface-2: #fafbfa;
    --border: #e3e7ea;
    --border-strong: #cfd6dc;

    /* Text */
    --text: var(--anthracite);
    --text-2: #4a5b6d;
    --text-muted: #6b7885;
    --text-inverse: #ffffff;

    /* Status */
    --ok: #2f855a;
    --ok-bg: #ecfdf3;
    --warn: #d97706;
    --warn-bg: #fffbeb;
    --danger: #c53030;
    --danger-bg: #fef2f2;

    /* Shape / motion */
    --radius: 10px;
    --radius-sm: 6px;
    --radius-lg: 16px;
    --shadow-1: 0 1px 2px rgba(44,62,80,0.05), 0 1px 3px rgba(44,62,80,0.06);
    --shadow-2: 0 4px 6px -1px rgba(44,62,80,0.08), 0 2px 4px -2px rgba(44,62,80,0.06);
    --shadow-3: 0 20px 40px -10px rgba(44,62,80,0.22);
    --shadow-brand: 0 8px 20px -8px rgba(44,62,80,0.35);
    --ease: cubic-bezier(0.4, 0, 0.2, 1);
}

html, body { height: 100%; }
body {
    font-family: 'Inter', 'Segoe UI', system-ui, -apple-system, BlinkMacSystemFont, sans-serif;
    background: var(--bg);
    color: var(--text);
    line-height: 1.55;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    min-height: 100vh;
    background-image:
        radial-gradient(1200px 400px at 90% -200px, rgba(143,214,158,0.14), transparent 60%),
        radial-gradient(900px 300px at -10% 100%, rgba(44,62,80,0.05), transparent 60%);
    background-attachment: fixed;
}

button, input, select, textarea { font-family: inherit; }

/* =====================================================
   Reesearch brand mark (Ree = groen, rest = antraciet)
   ===================================================== */
.brand {
    display: inline-flex;
    align-items: baseline;
    gap: 0;
    font-weight: 800;
    letter-spacing: -0.025em;
    line-height: 1;
}
.brand .r-green { color: var(--ree-green); }        /* "Ree" */
.brand .r-dark  { color: var(--anthracite); }       /* "search" */
.brand.on-dark .r-dark { color: #ffffff; }          /* op donkere header */
.brand.on-dark .r-green { color: var(--ree-green); }

/* =====================================================
   Login
   ===================================================== */
.login-screen {
    position: fixed;
    inset: 0;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 1rem;
    z-index: 100;
    background:
        radial-gradient(circle at 15% 20%, rgba(143,214,158,0.28) 0%, transparent 45%),
        radial-gradient(circle at 85% 80%, rgba(143,214,158,0.18) 0%, transparent 40%),
        linear-gradient(135deg, var(--anthracite-2) 0%, var(--anthracite) 60%, var(--anthracite-soft) 100%);
    overflow: hidden;
}
.login-screen::before {
    content: '';
    position: absolute;
    inset: 0;
    background-image:
        radial-gradient(2px 2px at 15% 20%, rgba(255,255,255,0.35), transparent),
        radial-gradient(2px 2px at 40% 70%, rgba(255,255,255,0.22), transparent),
        radial-gradient(1px 1px at 75% 30%, rgba(255,255,255,0.30), transparent),
        radial-gradient(2px 2px at 85% 85%, rgba(255,255,255,0.20), transparent),
        radial-gradient(1px 1px at 50% 50%, rgba(255,255,255,0.22), transparent);
    background-size: 100% 100%;
    pointer-events: none;
}

.login-card {
    position: relative;
    background: var(--surface);
    border-radius: var(--radius-lg);
    padding: 2.2rem 2rem;
    max-width: 400px;
    width: 100%;
    box-shadow: var(--shadow-3);
    display: flex;
    flex-direction: column;
    gap: 0.55rem;
    animation: slideUp 0.5s var(--ease);
}
@keyframes slideUp {
    from { opacity: 0; transform: translateY(20px); }
    to   { opacity: 1; transform: translateY(0); }
}
.login-brand {
    font-size: 2rem;
    margin-bottom: 0.15rem;
}
.login-tagline {
    color: var(--text-muted);
    font-size: 0.9rem;
    margin-bottom: 1.2rem;
    font-style: italic;
}
.login-card label {
    margin-top: 0.5rem;
}
.login-card button {
    margin-top: 1rem;
    padding: 0.75rem 1.5rem;
    font-size: 0.92rem;
    font-weight: 600;
}
.login-footer {
    margin-top: 1.2rem;
    font-size: 0.75rem;
    color: var(--text-muted);
    text-align: center;
    padding-top: 1rem;
    border-top: 1px solid var(--border);
    line-height: 1.6;
}
.login-footer code {
    background: var(--ree-green-soft);
    padding: 0.08rem 0.35rem;
    border-radius: 4px;
    font-size: 0.72rem;
    font-family: 'SF Mono', ui-monospace, Menlo, Consolas, monospace;
    color: var(--anthracite);
    font-weight: 700;
}

.login-logo {
    display: block;
    margin: 0 auto 0.6rem;
    max-width: 220px;
    height: auto;
}

/* =====================================================
   Header
   ===================================================== */
header {
    background: linear-gradient(180deg, #ffffff 0%, #fafbfa 100%);
    color: var(--text);
    padding: 0.9rem 2rem;
    display: flex;
    align-items: center;
    gap: 1.5rem;
    flex-wrap: wrap;
    box-shadow: var(--shadow-1);
    position: sticky;
    top: 0;
    z-index: 50;
    border-bottom: 1px solid var(--border);
}
.header-brand {
    display: flex;
    flex-direction: column;
    gap: 0.15rem;
}
.header-brand .brand { font-size: 1.5rem; }
.header-logo {
    height: 32px;
    width: auto;
    display: block;
}
.header-tagline {
    font-size: 0.72rem;
    color: var(--text-muted);
    font-style: italic;
    letter-spacing: 0.01em;
}

/* Nav */
nav {
    display: flex;
    gap: 0.15rem;
    background: var(--bg-2);
    padding: 0.25rem;
    border-radius: 100px;
    border: 1px solid var(--border);
}
.tab {
    background: transparent;
    color: var(--text-2);
    border: none;
    padding: 0.5rem 1.05rem;
    font-size: 0.85rem;
    font-weight: 500;
    cursor: pointer;
    transition: all 0.2s var(--ease);
    border-radius: 100px;
    white-space: nowrap;
    position: relative;
}
.tab:hover { background: rgba(143,214,158,0.15); color: var(--anthracite); }
.tab.active {
    background: var(--anthracite);
    color: #fff;
    font-weight: 600;
    box-shadow: 0 2px 8px rgba(44,62,80,0.25);
}

/* User info */
.user-info {
    margin-left: auto;
    display: flex;
    align-items: center;
    gap: 0.6rem;
    font-size: 0.85rem;
    color: var(--text-2);
}
#user-badge {
    background: var(--ree-green-soft);
    color: var(--anthracite);
    padding: 0.4rem 0.85rem;
    border-radius: 100px;
    font-size: 0.8rem;
    font-weight: 600;
    border: 1px solid rgba(143,214,158,0.4);
}
#logout-btn {
    background: transparent;
    color: var(--text-2);
    border: 1px solid var(--border-strong);
    padding: 0.4rem 0.9rem;
    border-radius: 100px;
    font-size: 0.8rem;
    font-weight: 500;
    cursor: pointer;
    transition: all 0.2s var(--ease);
}
#logout-btn:hover { background: var(--bg-2); border-color: var(--anthracite); color: var(--anthracite); }

/* Notification badge */
.badge {
    background: var(--ree-green-2);
    color: var(--anthracite);
    font-size: 0.68rem;
    font-weight: 700;
    padding: 0.1rem 0.45rem;
    border-radius: 100px;
    margin-left: 0.35rem;
    min-width: 1.1rem;
    display: inline-block;
    text-align: center;
    box-shadow: 0 2px 6px rgba(143,214,158,0.55);
    animation: pulse 2s var(--ease) infinite;
}
.tab.active .badge { background: var(--ree-green); color: var(--anthracite); }
@keyframes pulse {
    0%, 100% { transform: scale(1); }
    50%      { transform: scale(1.08); }
}

/* =====================================================
   Main layout
   ===================================================== */
main {
    max-width: 1080px;
    margin: 0 auto;
    padding: 2rem 1.5rem;
}

.tab-content { display: none; animation: fadeIn 0.25s var(--ease); }
.tab-content.active { display: block; }
@keyframes fadeIn { from { opacity: 0; transform: translateY(4px); } to { opacity: 1; transform: translateY(0); } }

.panel {
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 1.6rem;
    margin-bottom: 1.2rem;
    box-shadow: var(--shadow-1);
    transition: box-shadow 0.2s var(--ease);
}
.panel:hover { box-shadow: var(--shadow-2); }
.panel h2 {
    font-size: 1.05rem;
    font-weight: 700;
    margin-bottom: 0.6rem;
    color: var(--text);
    letter-spacing: -0.01em;
}
.panel-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 0.6rem;
    gap: 1rem;
}
.panel-header h2 { margin-bottom: 0; }

.hint {
    font-size: 0.85rem;
    color: var(--text-muted);
    margin-bottom: 1rem;
}

/* =====================================================
   Forms
   ===================================================== */
.form-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 0.9rem;
    margin-bottom: 1rem;
}
.form-group { display: flex; flex-direction: column; gap: 0.35rem; }
.form-group.full-width { grid-column: 1 / -1; }

label {
    font-size: 0.78rem;
    font-weight: 600;
    color: var(--text-2);
    letter-spacing: 0.01em;
}

input, select, textarea {
    padding: 0.6rem 0.8rem;
    border: 1px solid var(--border-strong);
    border-radius: var(--radius-sm);
    font-size: 0.9rem;
    color: var(--text);
    background: var(--surface);
    transition: all 0.2s var(--ease);
}
input:focus, select:focus, textarea:focus {
    outline: none;
    border-color: var(--ree-green-2);
    box-shadow: 0 0 0 3px rgba(143,214,158,0.35);
}
input:hover:not(:focus), select:hover:not(:focus), textarea:hover:not(:focus) {
    border-color: var(--text-muted);
}
textarea { resize: vertical; min-height: 2.5rem; }
input[type="file"] {
    padding: 0.4rem;
    background: var(--bg-2);
    cursor: pointer;
}

/* =====================================================
   Buttons
   ===================================================== */
.btn-primary {
    background: var(--anthracite);
    color: #fff;
    border: none;
    padding: 0.7rem 1.5rem;
    border-radius: var(--radius-sm);
    font-size: 0.88rem;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.2s var(--ease);
    box-shadow: 0 4px 12px -4px rgba(44,62,80,0.35);
    letter-spacing: 0.01em;
    position: relative;
    overflow: hidden;
}
.btn-primary::after {
    content: '';
    position: absolute;
    inset: 0;
    background: linear-gradient(135deg, transparent 40%, rgba(143,214,158,0.25) 100%);
    opacity: 0;
    transition: opacity 0.2s var(--ease);
}
.btn-primary:hover {
    transform: translateY(-1px);
    box-shadow: 0 8px 20px -6px rgba(44,62,80,0.45);
    background: var(--anthracite-2);
}
.btn-primary:hover::after { opacity: 1; }
.btn-primary:active { transform: translateY(0); }

.btn-secondary {
    background: var(--surface);
    color: var(--anthracite);
    border: 1px solid var(--border-strong);
    padding: 0.5rem 1rem;
    border-radius: var(--radius-sm);
    font-size: 0.82rem;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.2s var(--ease);
}
.btn-secondary:hover {
    border-color: var(--ree-green-2);
    background: var(--ree-green-soft);
    color: var(--anthracite);
}

.btn-small {
    padding: 0.3rem 0.7rem;
    font-size: 0.76rem;
    font-weight: 500;
    border: 1px solid var(--border-strong);
    border-radius: var(--radius-sm);
    background: var(--surface);
    color: var(--text-2);
    cursor: pointer;
    transition: all 0.15s var(--ease);
}
.btn-small:hover { border-color: var(--text-muted); background: var(--bg-2); }
.btn-danger {
    color: var(--danger);
    border-color: #fecaca;
}
.btn-danger:hover { background: var(--danger-bg); border-color: var(--danger); }

/* =====================================================
   Status messages
   ===================================================== */
.status-loading, .status-success, .status-error {
    font-size: 0.85rem;
    margin-top: 0.6rem;
    padding: 0.5rem 0.8rem;
    border-radius: var(--radius-sm);
    display: inline-block;
}
.status-loading { color: var(--text-muted); background: var(--bg-2); }
.status-success { color: var(--ok); background: var(--ok-bg); }
.status-error { color: var(--danger); background: var(--danger-bg); }
.empty { color: var(--text-muted); font-style: italic; padding: 1.5rem 0; text-align: center; }
.stats { font-size: 0.82rem; color: var(--text-muted); margin-bottom: 0.9rem; }

/* =====================================================
   Chat
   ===================================================== */
.chat-container {
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    box-shadow: var(--shadow-1);
    overflow: hidden;
}

#chat-messages {
    height: 460px;
    overflow-y: auto;
    padding: 1.5rem;
    display: flex;
    flex-direction: column;
    gap: 1rem;
    background: linear-gradient(180deg, var(--surface-2) 0%, var(--surface) 100%);
}

.message {
    padding: 0.85rem 1.15rem;
    border-radius: var(--radius);
    font-size: 0.92rem;
    line-height: 1.6;
    max-width: 85%;
    animation: fadeIn 0.3s var(--ease);
}
.message.user {
    background: var(--anthracite);
    color: #fff;
    align-self: flex-end;
    border-bottom-right-radius: 4px;
    box-shadow: 0 4px 12px -4px rgba(44,62,80,0.4);
}
.message.assistant {
    background: var(--surface);
    border: 1px solid var(--border);
    border-left: 3px solid var(--ree-green);
    align-self: flex-start;
    border-bottom-left-radius: 4px;
    box-shadow: var(--shadow-1);
}
.message.system {
    background: var(--ree-green-soft);
    color: var(--anthracite-soft);
    font-size: 0.85rem;
    align-self: center;
    text-align: center;
    padding: 0.6rem 1.2rem;
    border: 1px dashed rgba(143,214,158,0.6);
}
.message.error {
    background: var(--danger-bg);
    color: var(--danger);
    align-self: center;
    border: 1px solid #fecaca;
}

.source-ref {
    background: var(--anthracite);
    color: var(--ree-green);
    padding: 0.1rem 0.4rem;
    border-radius: 4px;
    font-size: 0.72rem;
    font-weight: 700;
    display: inline-block;
    margin: 0 0.1rem;
}

.sources {
    margin-top: 0.9rem;
    padding-top: 0.8rem;
    border-top: 1px solid var(--border);
    font-size: 0.82rem;
}
.sources strong {
    color: var(--text-2);
    font-size: 0.78rem;
    text-transform: uppercase;
    letter-spacing: 0.05em;
}
.sources ul { list-style: none; margin-top: 0.4rem; }
.sources li {
    padding: 0.25rem 0.5rem;
    border-left: 3px solid var(--border);
    margin-bottom: 0.3rem;
    background: var(--bg);
    border-radius: 0 4px 4px 0;
}
.sources li.weight-strict { border-left-color: var(--anthracite); }
.sources li.weight-normative { border-left-color: var(--ree-green-2); }
.sources li.weight-supporting { border-left-color: var(--text-muted); }

.chat-filters {
    display: flex;
    gap: 0.6rem;
    padding: 0.75rem 1rem;
    border-top: 1px solid var(--border);
    background: var(--surface-2);
}
.chat-filters select {
    font-size: 0.82rem;
    padding: 0.4rem 0.7rem;
    flex: 1;
}

.chat-input-row {
    display: flex;
    gap: 0;
    border-top: 1px solid var(--border);
    background: var(--surface);
}
.chat-input-row textarea {
    flex: 1;
    border: none;
    border-radius: 0;
    resize: none;
    padding: 1rem 1.2rem;
    font-size: 0.92rem;
}
.chat-input-row textarea:focus { box-shadow: none; }
#chat-send {
    background: var(--anthracite);
    color: #fff;
    border: none;
    padding: 0 1.8rem;
    font-size: 0.9rem;
    font-weight: 600;
    cursor: pointer;
    transition: background 0.2s var(--ease);
}
#chat-send:hover { background: var(--anthracite-2); }

/* =====================================================
   Document table
   ===================================================== */
.doc-table {
    font-size: 0.85rem;
    border: 1px solid var(--border);
    border-radius: var(--radius-sm);
    overflow: hidden;
}
.doc-header, .doc-row {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr 1fr 0.7fr 1fr 0.9fr;
    gap: 0.5rem;
    padding: 0.75rem 0.9rem;
    align-items: center;
}
.doc-header {
    font-weight: 600;
    color: var(--text-muted);
    text-transform: uppercase;
    font-size: 0.7rem;
    letter-spacing: 0.06em;
    background: var(--bg-2);
    border-bottom: 1px solid var(--border);
}
.doc-row { border-bottom: 1px solid var(--border); transition: background 0.15s var(--ease); }
.doc-row:last-child { border-bottom: none; }
.doc-row:hover { background: var(--surface-2); }
.doc-row span { overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }

/* =====================================================
   Q&A cards
   ===================================================== */
.qa-card {
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 1.1rem;
    margin-bottom: 0.8rem;
    background: var(--surface);
    transition: all 0.2s var(--ease);
}
.qa-card:hover { border-color: var(--ree-green-2); box-shadow: var(--shadow-2); }
.qa-question {
    font-weight: 600;
    margin-bottom: 0.5rem;
    color: var(--text);
    font-size: 0.95rem;
}
.qa-answer {
    color: var(--text-2);
    font-size: 0.88rem;
    margin-bottom: 0.7rem;
    white-space: pre-line;
    line-height: 1.6;
}
.qa-meta {
    display: flex;
    gap: 0.8rem;
    align-items: center;
    font-size: 0.78rem;
    color: var(--text-muted);
    flex-wrap: wrap;
}
.tag {
    background: var(--ree-green-soft);
    color: var(--anthracite);
    padding: 0.2rem 0.6rem;
    border-radius: 100px;
    font-size: 0.72rem;
    font-weight: 600;
    letter-spacing: 0.01em;
    border: 1px solid rgba(143,214,158,0.4);
}
.votes button {
    background: var(--surface);
    border: 1px solid var(--border-strong);
    border-radius: var(--radius-sm);
    padding: 0.2rem 0.5rem;
    cursor: pointer;
    font-size: 0.78rem;
    transition: all 0.15s var(--ease);
}
.votes button:hover { background: var(--ree-green-soft); border-color: var(--ree-green-2); }

/* =====================================================
   Process flow
   ===================================================== */
.process-flow { padding: 0.5rem 0; }
.process-step {
    display: flex;
    gap: 1.2rem;
    align-items: flex-start;
}
.step-number {
    width: 2.4rem;
    height: 2.4rem;
    background: var(--anthracite);
    color: var(--ree-green);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 700;
    font-size: 0.9rem;
    flex-shrink: 0;
    box-shadow: var(--shadow-brand);
}
.step-content { flex: 1; padding-top: 0.4rem; }
.step-content strong { display: block; margin-bottom: 0.25rem; font-size: 0.95rem; }
.step-content p { font-size: 0.88rem; color: var(--text-muted); }
.step-arrow {
    text-align: center;
    color: var(--ree-green-2);
    padding: 0.4rem 0 0.4rem 1.2rem;
    font-size: 1.2rem;
}

/* =====================================================
   Staleness
   ===================================================== */
.staleness-cards {
    display: grid;
    grid-template-columns: 1fr 1fr 1fr;
    gap: 1rem;
    margin-bottom: 1.5rem;
}
.stale-card {
    padding: 1.2rem;
    border-radius: var(--radius);
    text-align: center;
    border: 1px solid var(--border);
    transition: transform 0.2s var(--ease);
}
.stale-card:hover { transform: translateY(-2px); }
.stale-ok { background: var(--ok-bg); border-color: #a7f3d0; }
.stale-warn { background: var(--warn-bg); border-color: #fde68a; }
.stale-danger { background: var(--danger-bg); border-color: #fecaca; }
.stale-count { font-size: 2.2rem; font-weight: 800; letter-spacing: -0.02em; }
.stale-ok .stale-count { color: var(--ok); }
.stale-warn .stale-count { color: var(--warn); }
.stale-danger .stale-count { color: var(--danger); }
.stale-label {
    font-size: 0.78rem;
    color: var(--text-muted);
    margin-top: 0.3rem;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    font-weight: 600;
}

.stale-row {
    display: flex;
    align-items: center;
    gap: 0.9rem;
    padding: 0.85rem 1rem;
    border-radius: var(--radius);
    margin-bottom: 0.6rem;
    border: 1px solid transparent;
}
.stale-row.stale-danger { background: var(--danger-bg); border-color: #fecaca; }
.stale-row.stale-warn { background: var(--warn-bg); border-color: #fde68a; }
.stale-row span:nth-child(2) { flex: 1; }
.stale-row small { display: block; color: var(--text-muted); font-size: 0.78rem; margin-top: 0.15rem; }
.stale-info { font-size: 0.82rem; color: var(--text-muted); }
.stale-review { font-size: 0.78rem; color: var(--text-muted); white-space: nowrap; }

/* =====================================================
   Pending (autorisatie)
   ===================================================== */
.pending-card {
    border: 1px solid var(--warn);
    border-left-width: 4px;
    border-radius: var(--radius);
    padding: 1.2rem;
    margin-bottom: 1rem;
    background: var(--warn-bg);
    box-shadow: var(--shadow-1);
}
.pending-head {
    display: flex;
    gap: 0.5rem;
    align-items: center;
    flex-wrap: wrap;
    margin-bottom: 0.8rem;
}
.pending-head strong {
    font-size: 1rem;
    flex: 1;
    min-width: 200px;
    color: var(--text);
}
.pending-meta {
    font-size: 0.87rem;
    color: var(--text-2);
    background: var(--surface);
    padding: 0.8rem 1rem;
    border-radius: var(--radius-sm);
    margin-bottom: 0.8rem;
    border: 1px solid var(--border);
}
.pending-meta > div { margin-bottom: 0.35rem; }
.pending-meta > div:last-child { margin-bottom: 0; }
.pending-meta a { color: var(--anthracite); text-decoration: none; font-weight: 600; }
.pending-meta a:hover { text-decoration: underline; }
.pending-meta b { color: var(--text); font-weight: 600; }
.pending-actions {
    display: flex;
    flex-direction: column;
    gap: 0.6rem;
}
.pending-actions textarea {
    width: 100%;
    background: var(--surface);
}
.pending-actions > div {
    display: flex;
    gap: 0.5rem;
    align-items: center;
    flex-wrap: wrap;
}

/* =====================================================
   Users table
   ===================================================== */
.users-table {
    font-size: 0.87rem;
    border: 1px solid var(--border);
    border-radius: var(--radius-sm);
    overflow: hidden;
}
.users-header, .users-row {
    display: grid;
    grid-template-columns: 1.5fr 1.4fr 0.9fr 1fr 1.6fr;
    gap: 0.6rem;
    padding: 0.75rem 1rem;
    align-items: center;
}
.users-header {
    font-weight: 600;
    color: var(--text-muted);
    text-transform: uppercase;
    font-size: 0.7rem;
    letter-spacing: 0.06em;
    background: var(--bg-2);
    border-bottom: 1px solid var(--border);
}
.users-row { border-bottom: 1px solid var(--border); transition: background 0.15s var(--ease); }
.users-row:last-child { border-bottom: none; }
.users-row:hover { background: var(--surface-2); }
.users-row select { font-size: 0.82rem; padding: 0.35rem 0.5rem; }
.users-row .muted { color: var(--text-muted); font-size: 0.78rem; }
.users-row span:last-child { display: flex; gap: 0.35rem; flex-wrap: wrap; }

/* =====================================================
   Responsive
   ===================================================== */
@media (max-width: 780px) {
    header {
        padding: 0.9rem 1rem;
        gap: 0.8rem;
        flex-direction: column;
        align-items: stretch;
    }
    .header-brand { text-align: center; align-items: center; }
    nav {
        overflow-x: auto;
        justify-content: flex-start;
        border-radius: var(--radius);
    }
    .tab { font-size: 0.8rem; padding: 0.45rem 0.85rem; }
    main { padding: 1rem; }
    .form-grid { grid-template-columns: 1fr; }
    .doc-header, .doc-row { grid-template-columns: 2fr 1fr 1fr; }
    .doc-header span:nth-child(n+4), .doc-row span:nth-child(n+4) { display: none; }
    .staleness-cards { grid-template-columns: 1fr; }
    .chat-filters { flex-direction: column; }
    .user-info {
        margin-left: 0;
        width: 100%;
        justify-content: center;
        flex-wrap: wrap;
    }
    .users-header, .users-row { grid-template-columns: 1fr 1fr; }
    .users-header span:nth-child(n+3), .users-row span:nth-child(n+3) { display: none; }
    .panel { padding: 1.2rem; }
    #chat-messages { height: 380px; padding: 1rem; }
    .message { max-width: 92%; }
}