/* Simba AMS — theme: black, blue, dark red.
   Light/dark toggled via `data-theme` on <html>. */
:root, [data-theme="dark"] {
    --bg:          #0a0a0a;
    --bg-2:        #141414;
    --bg-3:        #1e1e1e;
    --border:      #2a2a2a;
    --text:        #e6e6e6;
    --text-dim:    #9aa3ad;
    --sidebar-bg:  #050505;
    --thead-bg:    #050505;
    --input-bg:    #0a0a0a;
    --row-hover:   #1e1e1e;
    --shadow:      0 4px 24px rgba(0,0,0,.5);
    --blue:        #2563eb;
    --blue-2:      #3b82f6;
    --blue-soft:   rgba(59,130,246,.15);
    --red:         #8b0000;
    --red-2:       #b91c1c;
    --red-soft:    rgba(139,0,0,.18);
    --green:       #16a34a;
    --amber:       #d97706;
}

[data-theme="light"] {
    --bg:          #f3f5f9;
    --bg-2:        #ffffff;
    --bg-3:        #eef1f6;
    --border:      #d8dee7;
    --text:        #0e1726;
    --text-dim:    #5b6878;
    --sidebar-bg:  #ffffff;
    --thead-bg:    #f3f5f9;
    --input-bg:    #ffffff;
    --row-hover:   #f7f9fc;
    --shadow:      0 6px 18px rgba(15,23,42,.08);
    --blue-soft:   rgba(37,99,235,.10);
    --red-soft:    rgba(185,28,28,.10);
}

* { box-sizing: border-box; }
html, body { margin: 0; padding: 0; background: var(--bg); color: var(--text);
    font-family: system-ui, -apple-system, "Segoe UI", Roboto, sans-serif; line-height: 1.5; }

a { color: var(--blue-2); text-decoration: none; }
a:hover { color: var(--blue); text-decoration: underline; }

/* ---- Layout ---- */
.app { display: grid; grid-template-columns: 240px 1fr; min-height: 100vh; }
.sidebar { background: var(--sidebar-bg); border-right: 1px solid var(--border); padding: 22px 0; position: sticky; top: 0; height: 100vh; overflow-y: auto; }
.menu-toggle { display: none; background: var(--bg-3); border: 1px solid var(--border); color: var(--text);
               width: 36px; height: 36px; border-radius: 8px; cursor: pointer; align-items: center; justify-content: center; }
.sidebar-backdrop { display: none; position: fixed; inset: 0; background: rgba(0,0,0,.5); z-index: 150; opacity: 0; pointer-events: none; transition: opacity .2s; }

@media (max-width: 880px) {
    .app { grid-template-columns: 1fr; }
    .sidebar {
        position: fixed; top: 0; left: 0; width: 80%; max-width: 280px; height: 100vh; z-index: 200;
        transform: translateX(-100%); transition: transform .2s;
        box-shadow: 8px 0 24px rgba(0,0,0,.4);
    }
    .sidebar.open { transform: translateX(0); }
    .sidebar-backdrop { display: block; }
    .sidebar-backdrop.show { opacity: 1; pointer-events: auto; }
    .menu-toggle { display: inline-flex; }
    .main { padding: 16px 14px 60px; }
    .topbar { gap: 10px; flex-wrap: wrap; }
    .topbar .who { font-size: .82rem; }
    .topbar form input[type=search] { width: 140px !important; }
    .page-actions { flex-direction: column; align-items: stretch; gap: 10px; }
    .page-actions h1 { font-size: 1.25rem; }
    .grid-4, .grid-3, .grid-2 { grid-template-columns: 1fr !important; }
    .filter-bar { flex-direction: column; align-items: stretch; }
    .filter-bar select, .filter-bar input { max-width: none; }
    .table { font-size: .85rem; }
    .table th, .table td { padding: 8px 6px; }
}
.sidebar .brand { padding: 0 18px 22px; border-bottom: 1px solid var(--border); }
.sidebar .brand-logo {
    display: flex; align-items: center; justify-content: center;
    background: white; padding: 10px 14px; border-radius: 10px;
    box-shadow: 0 4px 12px rgba(0,0,0,.4), 0 0 0 1px rgba(255,255,255,.06) inset;
}
.sidebar .brand-logo img { display: block; height: 34px; width: auto; max-width: 100%; }
.sidebar .brand-sub {
    display: block; margin-top: 10px; text-align: center;
    color: var(--text-dim); font-size: .68rem;
    letter-spacing: .15em; text-transform: uppercase; font-weight: 600;
}
.sidebar .brand-sub b { color: var(--blue-2); font-weight: 700; }
.sidebar nav { padding-top: 14px; }
.sidebar nav a { display: block; padding: 10px 22px; color: var(--text-dim); border-left: 3px solid transparent; }
.sidebar nav a:hover { background: var(--bg-2); color: var(--text); text-decoration: none; }
.sidebar nav a.active { background: var(--blue-soft); color: var(--blue-2); border-left-color: var(--blue-2); }
.sidebar .nav-group { padding: 14px 22px 6px; color: var(--text-dim); font-size: .75rem; text-transform: uppercase; letter-spacing: .08em; }

.main { padding: 22px 30px 60px; max-width: 1400px; }
.topbar { display: flex; justify-content: space-between; align-items: center; margin-bottom: 22px; gap: 16px; }
.topbar .who { color: var(--text-dim); font-size: .9rem; }
.topbar .who b { color: var(--text); }

/* ---- Cards ---- */
.card { background: var(--bg-2); border: 1px solid var(--border); border-radius: 8px; padding: 20px; margin-bottom: 20px; box-shadow: var(--shadow); }
.card h2, .card h3 { margin-top: 0; }
.card h2 { color: var(--blue-2); border-bottom: 2px solid var(--red); padding-bottom: 8px; }

.grid { display: grid; gap: 16px; }
.grid-4 { grid-template-columns: repeat(4, 1fr); }
.grid-3 { grid-template-columns: repeat(3, 1fr); }
.grid-2 { grid-template-columns: repeat(2, 1fr); }
@media (max-width: 900px) { .grid-4, .grid-3 { grid-template-columns: 1fr 1fr; } .grid-2 { grid-template-columns: 1fr; } }

.stat { background: var(--bg-3); border-radius: 8px; padding: 16px; border-left: 4px solid var(--blue-2); }
.stat .label { color: var(--text-dim); font-size: .8rem; text-transform: uppercase; letter-spacing: .05em; }
.stat .value { font-size: 1.8rem; font-weight: 700; margin-top: 6px; color: var(--text); }
.stat.red    { border-left-color: var(--red-2); }
.stat.red .value { color: #ff6b6b; }

/* ---- Forms ---- */
.form-row { margin-bottom: 14px; }
.form-row label { display: block; margin-bottom: 6px; color: var(--text-dim); font-size: .9rem; }
.form-row .req { color: var(--red-2); }
input[type=text], input[type=email], input[type=password], input[type=number], input[type=date],
select, textarea {
    width: 100%; padding: 10px 12px; background: var(--input-bg); color: var(--text);
    border: 1px solid var(--border); border-radius: 6px; font-size: .95rem; font-family: inherit;
}
input:focus, select:focus, textarea:focus { outline: none; border-color: var(--blue-2); box-shadow: 0 0 0 2px var(--blue-soft); }
textarea { min-height: 80px; resize: vertical; }
.form-actions { margin-top: 18px; display: flex; gap: 10px; }

/* ---- Buttons ---- */
.btn { display: inline-block; padding: 10px 16px; border-radius: 6px; border: 1px solid transparent;
    background: var(--blue); color: white; cursor: pointer; font-size: .9rem; font-family: inherit; text-decoration: none; }
.btn:hover { background: var(--blue-2); text-decoration: none; color: white; }
.btn-secondary { background: var(--bg-3); color: var(--text); border-color: var(--border); }
.btn-secondary:hover { background: var(--bg-2); color: var(--text); }
.btn-danger { background: var(--red); }
.btn-danger:hover { background: var(--red-2); }
.btn-small { padding: 6px 10px; font-size: .82rem; }

/* ---- Tables ---- */
.table { width: 100%; border-collapse: collapse; background: var(--bg-2); border-radius: 8px; overflow: hidden; }
.table th, .table td { padding: 10px 12px; text-align: left; border-bottom: 1px solid var(--border); font-size: .9rem; }
.table th { background: var(--thead-bg); color: var(--blue-2); font-weight: 600; text-transform: uppercase; font-size: .75rem; letter-spacing: .05em; }
.table tr:hover td { background: var(--row-hover); }
.table .actions a { margin-right: 8px; }
.table .empty { text-align: center; padding: 30px; color: var(--text-dim); }

/* ---- Badges ---- */
.badge { display: inline-block; padding: 3px 8px; border-radius: 12px; font-size: .72rem; font-weight: 600; text-transform: uppercase; letter-spacing: .04em; }
.badge-in-stock          { background: rgba(34,197,94,.18);  color: #4ade80; }
.badge-signed-by-manager { background: var(--blue-soft);     color: var(--blue-2); }
.badge-assigned-to-staff { background: rgba(217,119,6,.20);  color: #fbbf24; }
.badge-returned          { background: rgba(148,163,184,.20);color: #cbd5e1; }
.badge-written-off       { background: var(--red-soft);      color: #fca5a5; }
.badge-disposed          { background: var(--red-soft);      color: #fca5a5; }
.badge-new          { background: rgba(34,197,94,.18); color: #4ade80; }
.badge-old          { background: rgba(148,163,184,.20); color: #cbd5e1; }
.badge-refurbished  { background: rgba(217,119,6,.20); color: #fbbf24; }
.badge-warning      { background: rgba(217,119,6,.20); color: #fbbf24; }
.badge-danger       { background: var(--red-soft);    color: #fca5a5; }

/* ---- Login page — minimal centered card ---- */
.login-page {
    min-height: 100vh;
    display: flex; align-items: center; justify-content: center;
    padding: 24px;
    position: relative; overflow: hidden;
    background:
        radial-gradient(700px 500px at 20% 100%, rgba(139,0,0,.30), transparent 60%),
        radial-gradient(700px 500px at 80% 0%,   rgba(37,99,235,.28), transparent 55%),
        linear-gradient(135deg, #050505 0%, #0a0a0a 55%, #0d0d10 100%);
}
[data-theme="light"] .login-page {
    background:
        radial-gradient(700px 500px at 20% 100%, rgba(185,28,28,.10), transparent 60%),
        radial-gradient(700px 500px at 80% 0%,   rgba(37,99,235,.10), transparent 55%),
        linear-gradient(135deg, #f1f3f7 0%, #f7f8fb 60%, #ffffff 100%);
}
.login-page::before {
    content: ""; position: absolute; inset: 0; pointer-events: none;
    background-image:
        linear-gradient(rgba(255,255,255,.025) 1px, transparent 1px),
        linear-gradient(90deg, rgba(255,255,255,.025) 1px, transparent 1px);
    background-size: 40px 40px;
    mask-image: radial-gradient(ellipse at center, black 25%, transparent 70%);
}
[data-theme="light"] .login-page::before {
    background-image:
        linear-gradient(rgba(15,23,42,.04) 1px, transparent 1px),
        linear-gradient(90deg, rgba(15,23,42,.04) 1px, transparent 1px);
}

.login-card {
    position: relative; z-index: 1;
    width: 100%; max-width: 420px;
    background: var(--bg-2);
    border: 1px solid var(--border);
    border-radius: 16px; padding: 40px 36px 32px;
    box-shadow: 0 30px 80px rgba(0,0,0,.5), 0 0 0 1px rgba(255,255,255,.03) inset;
    text-align: center;
}
[data-theme="light"] .login-card {
    box-shadow: 0 20px 60px rgba(15,23,42,.15), 0 0 0 1px rgba(15,23,42,.03) inset;
}

.login-card .logo-card {
    display: inline-flex; align-items: center; justify-content: center;
    background: white; padding: 14px 22px; border-radius: 12px;
    box-shadow: 0 6px 20px rgba(0,0,0,.25);
    margin-bottom: 14px;
}
.login-card .logo-card img { display: block; height: 48px; width: auto; max-width: 200px; }
.login-card .logo-sub {
    display: block; color: var(--text-dim);
    font-size: .72rem; letter-spacing: .18em; text-transform: uppercase; font-weight: 700;
    margin-bottom: 28px;
}
.login-card .logo-sub b { color: var(--blue-2); font-weight: 800; }

.login-card h1 {
    margin: 0 0 6px; font-size: 1.4rem; color: var(--text);
    letter-spacing: -.01em; font-weight: 700;
}
.login-card .sub { color: var(--text-dim); font-size: .9rem; margin-bottom: 26px; }

.login-card form { text-align: left; }

.login-card .field { position: relative; margin-bottom: 14px; }
.login-card .field label {
    display: block; font-size: .78rem; text-transform: uppercase; letter-spacing: .08em;
    color: var(--text-dim); margin-bottom: 6px; font-weight: 600;
}
.login-card .field .input-wrap { position: relative; }
.login-card .field .input-wrap .ico {
    position: absolute; left: 12px; top: 50%; transform: translateY(-50%);
    color: var(--text-dim); pointer-events: none;
}
.login-card .field input {
    width: 100%; padding: 12px 14px 12px 40px; background: var(--input-bg);
    border: 1px solid var(--border); border-radius: 8px; color: var(--text);
    font-size: .95rem; transition: border-color .15s, box-shadow .15s, background .15s;
}
.login-card .field input:focus {
    outline: none; border-color: var(--blue-2);
    box-shadow: 0 0 0 3px rgba(59,130,246,.18);
}
.login-card .field input::placeholder { color: #5b6470; }

.login-card .row { display: flex; align-items: center; margin: 6px 0 20px; font-size: .85rem; }
.login-card .row label { color: var(--text-dim); cursor: pointer; user-select: none; }
.login-card .row label input { margin-right: 6px; accent-color: var(--blue-2); }

.login-card .btn-primary {
    width: 100%; padding: 13px 16px; border: 0; border-radius: 8px;
    background: linear-gradient(135deg, var(--blue) 0%, var(--blue-2) 100%);
    color: white; font-weight: 600; font-size: .95rem; cursor: pointer; letter-spacing: .02em;
    transition: transform .08s, box-shadow .15s, filter .15s;
    box-shadow: 0 6px 16px rgba(37,99,235,.35);
}
.login-card .btn-primary:hover { filter: brightness(1.08); box-shadow: 0 8px 22px rgba(37,99,235,.45); }
.login-card .btn-primary:active { transform: translateY(1px); }

.login-card .divider {
    display: flex; align-items: center; gap: 10px; margin: 22px 0 18px;
    color: var(--text-dim); font-size: .75rem; text-transform: uppercase; letter-spacing: .1em;
}
.login-card .divider::before, .login-card .divider::after {
    content: ""; flex: 1; height: 1px; background: var(--border);
}

.login-card .help { color: var(--text-dim); font-size: .82rem; text-align: center; line-height: 1.6; }
.login-card .help code { background: #0a0a0a; padding: 2px 6px; border-radius: 4px; color: var(--blue-2); font-size: .82rem; }

.login-card .error {
    background: var(--red-soft); border: 1px solid rgba(139,0,0,.5);
    color: #fca5a5; padding: 11px 14px; border-radius: 8px; font-size: .88rem;
    margin-bottom: 16px; display: flex; gap: 10px; align-items: flex-start;
}
.login-card .error svg { flex: 0 0 18px; margin-top: 1px; }

.login-card .footer-note { margin-top: 28px; text-align: center; color: var(--text-dim); font-size: .78rem; }

/* ---- Flash ---- */
.flash { padding: 12px 16px; border-radius: 6px; margin-bottom: 16px; font-size: .9rem; border: 1px solid; }
.flash-success { background: rgba(34,197,94,.10); color: #4ade80; border-color: rgba(34,197,94,.3); }
.flash-error   { background: var(--red-soft); color: #fca5a5; border-color: rgba(139,0,0,.5); }
.flash-info    { background: var(--blue-soft); color: var(--blue-2); border-color: rgba(59,130,246,.4); }

/* ---- Misc ---- */
.muted { color: var(--text-dim); }
.right { text-align: right; }
.page-actions { display: flex; justify-content: space-between; align-items: center; margin-bottom: 20px; gap: 12px; flex-wrap: wrap; }
.page-actions h1 { margin: 0; color: var(--text); font-size: 1.5rem; }
.filter-bar { display: flex; gap: 10px; flex-wrap: wrap; margin-bottom: 16px; }
.filter-bar select, .filter-bar input { max-width: 220px; }
hr { border: 0; border-top: 1px solid var(--border); margin: 18px 0; }
.error-text { color: var(--red-2); font-size: .85rem; margin-top: 4px; }

/* ---- Theme toggle button ---- */
.theme-toggle {
    display: inline-flex; align-items: center; justify-content: center;
    width: 36px; height: 36px; border-radius: 8px; cursor: pointer;
    background: var(--bg-3); border: 1px solid var(--border); color: var(--text);
    transition: background .15s, color .15s, border-color .15s;
}
.theme-toggle:hover { color: var(--blue-2); border-color: var(--blue-2); }
.theme-toggle .icon-sun  { display: none; }
.theme-toggle .icon-moon { display: block; }
[data-theme="light"] .theme-toggle .icon-sun  { display: block; }
[data-theme="light"] .theme-toggle .icon-moon { display: none; }

/* Floating toggle (used on login page) */
.theme-toggle.floating {
    position: fixed; top: 16px; right: 16px; z-index: 100;
    box-shadow: 0 2px 10px rgba(0,0,0,.25);
}

/* ---- Light-theme readability fixes for badges / muted text ---- */
[data-theme="light"] .badge-in-stock          { background: rgba(22,163,74,.14);  color: #15803d; }
[data-theme="light"] .badge-signed-by-manager { background: rgba(37,99,235,.12);  color: #1d4ed8; }
[data-theme="light"] .badge-assigned-to-staff { background: rgba(217,119,6,.16);  color: #b45309; }
[data-theme="light"] .badge-returned          { background: rgba(100,116,139,.18);color: #475569; }
[data-theme="light"] .badge-written-off       { background: rgba(185,28,28,.12);  color: #b91c1c; }
[data-theme="light"] .badge-new          { background: rgba(22,163,74,.14);  color: #15803d; }
[data-theme="light"] .badge-old          { background: rgba(100,116,139,.18);color: #475569; }
[data-theme="light"] .badge-refurbished  { background: rgba(217,119,6,.16);  color: #b45309; }

[data-theme="light"] .flash-error   { background: rgba(185,28,28,.08); color: #b91c1c; border-color: rgba(185,28,28,.3); }
[data-theme="light"] .flash-success { background: rgba(22,163,74,.08); color: #15803d; border-color: rgba(22,163,74,.3); }
[data-theme="light"] .flash-info    { background: rgba(37,99,235,.08); color: #1d4ed8; border-color: rgba(37,99,235,.25); }
[data-theme="light"] .stat { background: var(--bg-2); }
[data-theme="light"] code { background: var(--bg-3); color: #1d4ed8; padding: 1px 6px; border-radius: 4px; }
[data-theme="light"] .login-card .field input::placeholder { color: #9aa3ad; }
[data-theme="light"] .card h2 { color: #1d4ed8; border-bottom-color: var(--red-2); }
[data-theme="light"] .sidebar nav a { color: var(--text-dim); }
[data-theme="light"] .sidebar nav a:hover { background: var(--bg-3); color: var(--text); }
[data-theme="light"] .table { background: var(--bg-2); border: 1px solid var(--border); }
[data-theme="light"] .btn-secondary { background: var(--bg-2); color: var(--text); border-color: var(--border); }
[data-theme="light"] .btn-secondary:hover { background: var(--bg-3); }
[data-theme="light"] .badge-disposed       { background: rgba(185,28,28,.12);  color: #b91c1c; }
[data-theme="light"] .badge-danger         { background: rgba(185,28,28,.12);  color: #b91c1c; }
[data-theme="light"] .badge-warning        { background: rgba(217,119,6,.16);  color: #b45309; }

/* ---- Sidebar contrast bump (dark theme inactive links read clearly against #050505) ---- */
.sidebar nav a { color: #c9d1d9; }
.sidebar nav a:hover { color: #ffffff; }
.sidebar .brand-sub { color: #cbd5e1; }
[data-theme="light"] .sidebar nav a { color: var(--text-dim); }

/* ---- Accessibility ---- */
.sr-only { position: absolute; width: 1px; height: 1px; padding: 0; margin: -1px; overflow: hidden; clip: rect(0,0,0,0); white-space: nowrap; border: 0; }

/* ---- Empty-state component ---- */
.empty-state { padding: 48px 24px; text-align: center; color: var(--text-dim); }
.empty-state h3 { margin: 0 0 6px; color: var(--text); }
.empty-state p { margin: 0 0 14px; font-size: .9rem; }

/* ---- Table horizontal-scroll wrapper for narrow viewports ---- */
.table-scroll { overflow-x: auto; -webkit-overflow-scrolling: touch; border-radius: 8px; }
.table-scroll .table { min-width: 720px; }

/* ---- Mini timeline used for asset history ---- */
.timeline { list-style: none; padding: 0; margin: 0; }
.timeline li { position: relative; padding: 8px 0 8px 22px; border-left: 2px solid var(--border); margin-left: 4px; }
.timeline li::before { content: ""; position: absolute; left: -7px; top: 14px; width: 10px; height: 10px; border-radius: 50%; background: var(--blue-2); border: 2px solid var(--bg-2); }
.timeline .when { color: var(--text-dim); font-size: .8rem; }
.timeline .what { font-weight: 600; }

/* ---- Print stylesheet — strips chrome and prints clean ---- */
@media print {
    .sidebar, .sidebar-backdrop, .topbar, .page-actions, .filter-bar,
    .btn, .menu-toggle, .theme-toggle, form, .actions, .login-page::before { display: none !important; }
    .app { display: block; }
    .main { margin: 0; padding: 0; max-width: none; }
    .card { box-shadow: none; border: 1px solid #999; page-break-inside: avoid; margin-bottom: 12px; background: white !important; color: black !important; }
    .table { font-size: 10pt; background: white !important; color: black !important; }
    .table th { background: #f3f3f3 !important; color: #000 !important; }
    .table tr:hover td { background: transparent !important; }
    .stat { background: #f7f7f7 !important; color: black !important; border-color: #ccc !important; }
    .stat .value, .stat .label, .card h2, .card h3, .muted, body, html { color: black !important; }
    a { color: #000; text-decoration: none; }
    .badge { border: 1px solid #999; color: #000 !important; background: transparent !important; }
}
