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

:root {
    --bg:        #0f1117;
    --surface:   #1a1d2e;
    --surface2:  #22263a;
    --border:    #2e3350;
    --accent:    #10b981;
    --accent-d:  #059669;
    --danger:    #ef4444;
    --danger-d:  #dc2626;
    --warn:      #f59e0b;
    --text:      #e2e8f0;
    --text-muted:#8892a4;
    --radius:    10px;
    --shadow:    0 4px 24px rgba(0,0,0,0.4);
}

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    background: radial-gradient(ellipse at 30% 50%, #0d2b45 0%, var(--bg) 60%);
    background-attachment: fixed;
    color: var(--text);
    min-height: 100vh;
    font-size: 14px;
    -webkit-font-smoothing: antialiased;
}

.hidden { display: none !important; }

#login-screen {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    background: radial-gradient(ellipse at 30% 50%, #0d2b45 0%, var(--bg) 60%);
}

.login-card {
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: 16px;
    padding: 40px;
    width: 100%;
    max-width: 400px;
    box-shadow: var(--shadow);
}

.login-card h1 { font-size: 22px; font-weight: 700; margin-bottom: 6px; color: var(--accent); }
.login-card p { color: var(--text-muted); margin-bottom: 28px; font-size: 13px; }

.field { margin-bottom: 16px; }
.field label { display: block; font-size: 12px; font-weight: 600; color: var(--text-muted); margin-bottom: 6px; letter-spacing: 0.05em; text-transform: uppercase; }
.field input {
    width: 100%; background: var(--surface2); border: 1px solid var(--border);
    border-radius: var(--radius); color: var(--text); padding: 12px 14px;
    font-size: 14px; font-family: inherit; transition: border-color 0.2s;
}

.field input:focus { outline: none; border-color: var(--accent); }

.btn { display: inline-flex; align-items: center; justify-content: center; gap: 8px; padding: 12px 20px; border: none; border-radius: var(--radius); font-size: 14px; font-weight: 600; cursor: pointer; font-family: inherit; transition: all 0.2s; }
.btn-primary { background: var(--accent); color: #fff; width: 100%; }
.btn-primary:hover { background: var(--accent-d); }
.btn-primary:disabled { opacity: 0.5; cursor: not-allowed; }
.btn-ghost { background: transparent; color: var(--text-muted); border: 1px solid var(--border); }
.btn-ghost:hover { color: var(--text); border-color: var(--text-muted); }

.item-list { display: flex; flex-direction: column; gap: 8px; }
.item-card {
    background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius);
    padding: 14px 16px; display: flex; align-items: center; gap: 12px;
    transition: border-color 0.2s;
}
.item-card:hover { border-color: var(--text-muted); }
.item-card.success { border-left: 3px solid var(--accent); }
.item-card.error { border-left: 3px solid var(--danger); }
.item-card.scanning { border-left: 3px solid var(--warn); }
.item-info { flex: 1; min-width: 0; }
.item-name { font-weight: 600; font-size: 14px; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.item-meta { font-size: 12px; color: var(--text-muted); margin-top: 2px; }
.item-result { font-size: 18px; font-weight: 700; min-width: 36px; text-align: center; }
.item-card.success .item-result { color: var(--accent); }
.item-card.error .item-result { color: var(--danger); }
.item-card.scanning .item-result { color: var(--warn); }

.btn-scan {
    width: 40px; height: 40px; border-radius: 50%; background: var(--surface2);
    border: 1px solid var(--border); color: var(--text-muted); font-size: 16px;
    display: inline-flex; align-items: center; justify-content: center; cursor: pointer;
    transition: all 0.2s;
}
.btn-scan:hover { background: var(--accent); color: #fff; border-color: var(--accent); }
.btn-scan:disabled { opacity: 0.4; }

.spinner { width: 20px; height: 20px; border: 2px solid var(--border); border-top-color: var(--accent); border-radius: 50%; animation: spin 0.8s linear infinite; }
.spinner-lg { width: 48px; height: 48px; border: 3px solid var(--border); border-top-color: var(--accent); border-radius: 50%; animation: spin 1s linear infinite; }
@keyframes spin { to { transform: rotate(360deg); } }

.toast {
    position: fixed; bottom: 80px; left: 50%; transform: translateX(-50%);
    background: var(--surface2); border: 1px solid var(--border);
    color: var(--text); padding: 12px 24px; border-radius: var(--radius);
    font-size: 13px; z-index: 3000; display: none;
}
.toast.ok { border-color: var(--accent); }
.toast.error { border-color: var(--danger); background: var(--danger); color: #fff; }
.toast.warn { border-color: var(--warn); }

/* ═══ COLLAPSIBLE COLUMNS ═══ */
th[data-col]:not([data-col-fixed]) { cursor: pointer; user-select: none; }
th[data-col]:not([data-col-fixed]):hover { color: var(--accent); }
th[data-col]::after { content: ''; margin-left: 4px; font-size: 9px; opacity: 0.4; }
th[data-col]:not([data-col-fixed])::after { content: '▾'; }
th[data-col-fixed]::after { content: ''; opacity: 0; }

th.col-collapsed { max-width: 36px; padding: 8px 4px !important; font-size: 9px !important; text-transform: uppercase; letter-spacing: 0.05em; overflow: hidden; white-space: nowrap; text-overflow: ellipsis; }
th.col-collapsed::after { content: ''; }

td[data-col] { transition: max-width 0.15s ease, padding 0.15s ease, opacity 0.15s ease; overflow: hidden; }
td.col-collapsed { max-width: 0 !important; padding-left: 0 !important; padding-right: 0 !important; opacity: 0; white-space: nowrap; overflow: hidden; }

@keyframes fadeIn { from { opacity: 0; } to { opacity: 1; } }