/* ================================================================
   BCIC MTS OMS — Main Stylesheet  (v2 — Modern UI Refresh)
================================================================ */

/* ---------- Design tokens ---------- */
:root {
    /* Sidebar: Deep Slate (modern, professional) */
    --oms-sidebar-bg:      #1E293B;
    --oms-sidebar-hover:   rgba(255,255,255,.07);
    --oms-sidebar-active-bg:   rgba(15,198,164,.12);
    --oms-sidebar-active-border: #0fc8a4;
    --oms-sidebar-active-text:  #0fc8a4;
    --oms-sidebar-text:    rgba(255,255,255,.82);
    --oms-sidebar-muted:   rgba(255,255,255,.38);
    --oms-sidebar-divider: rgba(255,255,255,.07);

    /* Brand colours */
    --oms-navy:       #1E293B;
    --oms-navy-light: #2d3e55;
    --oms-teal:       #0f7c6c;
    --oms-teal-light: #12a58f;
    --oms-bg:         #f0f4f8;
    --oms-border:     #e2e8f0;
    --oms-text:       #1e2733;
    --oms-muted:      #64748b;
    --oms-warn:       #c8791a;
    --oms-danger:     #b3392c;

    /* Card shadow */
    --oms-shadow-sm: 0 1px 3px rgba(0,0,0,.06), 0 4px 10px rgba(0,0,0,.04);
    --oms-shadow:    0 4px 6px -1px rgba(0,0,0,.07), 0 2px 4px -1px rgba(0,0,0,.04);
    --oms-shadow-lg: 0 10px 25px rgba(0,0,0,.10), 0 4px 8px rgba(0,0,0,.06);
}

/* ---------- Base ---------- */
*, *::before, *::after { box-sizing: border-box; }

body {
    font-family: 'Plus Jakarta Sans', 'Inter', 'Hind Siliguri', system-ui, sans-serif;
    background: var(--oms-bg);
    color: var(--oms-text);
    font-size: .9375rem;   /* 15px — slightly larger than before */
    line-height: 1.6;
}

[lang="bn"], .bn {
    font-family: 'Hind Siliguri', 'Inter', sans-serif;
    line-height: 1.7;
}

/* ---------- Layout ---------- */
.oms-wrapper { display: flex; min-height: 100vh; }

/* ── Sidebar ───────────────────────────────────────────────────── */
.oms-sidebar {
    width: 256px;
    flex-shrink: 0;
    background: var(--oms-sidebar-bg);
    color: var(--oms-sidebar-text);
    display: flex;
    flex-direction: column;
    box-shadow: 2px 0 8px rgba(0,0,0,.12);
}

.oms-sidebar .brand {
    display: flex; align-items: center; gap: .6rem;
    padding: 1.15rem 1.2rem;
    border-bottom: 1px solid var(--oms-sidebar-divider);
}
.oms-sidebar .brand img {
    height: 36px; width: 36px; object-fit: contain;
    border-radius: 6px; background: #fff; padding: 3px;
    box-shadow: 0 2px 6px rgba(0,0,0,.2);
}
.oms-sidebar .brand-text { font-weight: 700; font-size: .9rem; line-height: 1.25; }
.oms-sidebar .brand-text small {
    display: block; color: var(--oms-sidebar-muted);
    font-weight: 400; font-size: .7rem;
}

.oms-nav { padding: .65rem .55rem; flex: 1; overflow-y: auto; }

/* Scrollbar in sidebar */
.oms-nav::-webkit-scrollbar { width: 4px; }
.oms-nav::-webkit-scrollbar-track { background: transparent; }
.oms-nav::-webkit-scrollbar-thumb { background: rgba(255,255,255,.15); border-radius: 4px; }

.oms-nav .nav-section {
    text-transform: uppercase;
    font-size: .65rem;
    letter-spacing: .08em;
    font-weight: 700;
    color: var(--oms-sidebar-muted);
    margin: 1.1rem .5rem .4rem;
    padding-bottom: .3rem;
    border-bottom: 1px solid var(--oms-sidebar-divider);
}

.oms-nav a {
    display: flex; align-items: center; gap: .65rem;
    padding: .5rem .75rem;
    border-radius: 7px;
    color: var(--oms-sidebar-text);
    text-decoration: none;
    font-size: .875rem;
    font-weight: 500;
    margin-bottom: 1px;
    transition: background .15s, color .15s;
    border-left: 3px solid transparent;
}
.oms-nav a:hover {
    background: var(--oms-sidebar-hover);
    color: #fff;
}
/* Active: soft teal glow + left accent border */
.oms-nav a.active {
    background: var(--oms-sidebar-active-bg);
    color: var(--oms-sidebar-active-text);
    border-left-color: var(--oms-sidebar-active-border);
    font-weight: 600;
}
.oms-nav a i { font-size: 1rem; width: 20px; text-align: center; flex-shrink: 0; }

/* Collapsible nav groups */
.oms-nav-group-toggle, .oms-nav-subgroup-toggle {
    display: flex; align-items: center; gap: .65rem;
    width: 100%; padding: .5rem .75rem;
    border-radius: 7px; background: none; border: none;
    color: var(--oms-sidebar-text);
    font-size: .875rem; font-weight: 500;
    margin-bottom: 1px; text-align: left; cursor: pointer;
    border-left: 3px solid transparent;
    transition: background .15s, color .15s;
}
.oms-nav-group-toggle:hover, .oms-nav-subgroup-toggle:hover {
    background: var(--oms-sidebar-hover); color: #fff;
}
.oms-nav-group-toggle span, .oms-nav-subgroup-toggle span { flex: 1; }
.oms-nav-group-toggle i:first-child, .oms-nav-subgroup-toggle i:first-child {
    width: 20px; text-align: center;
}
.oms-chevron { font-size: .72rem !important; width: auto !important; transition: transform .2s; }
.oms-nav-group-toggle[aria-expanded="true"] .oms-chevron,
.oms-nav-subgroup-toggle[aria-expanded="true"] .oms-chevron { transform: rotate(180deg); }

.oms-nav-nested {
    padding-left: 1rem;
    border-left: 2px solid rgba(255,255,255,.07);
    margin-left: 1rem;
}
.oms-nav-nested a { font-size: .83rem; padding: .42rem .6rem; }
.oms-nav-subgroup-toggle { font-size: .83rem; padding: .45rem .6rem; }

/* ── Main area ─────────────────────────────────────────────────── */
.oms-main { flex: 1; display: flex; flex-direction: column; min-width: 0; }

/* ── Topbar ────────────────────────────────────────────────────── */
.oms-topbar {
    background: #fff;
    border-bottom: 1px solid var(--oms-border);
    padding: .7rem 1.5rem;
    display: flex; align-items: center; justify-content: space-between;
    box-shadow: 0 1px 4px rgba(0,0,0,.04);
    position: sticky; top: 0; z-index: 1030;
}
.oms-topbar .role-badge {
    background: rgba(15,124,108,.1);
    color: var(--oms-teal);
    font-size: .72rem; font-weight: 700;
    padding: .25rem .65rem; border-radius: 20px;
    letter-spacing: .02em; text-transform: uppercase;
}

/* ── Content ───────────────────────────────────────────────────── */
.oms-content { padding: 1.5rem; flex: 1; }

/* ── Stat cards ────────────────────────────────────────────────── */
.oms-stat-card {
    background: #fff;
    border: 1px solid var(--oms-border);
    border-radius: 14px;
    padding: 1.2rem 1.3rem;
    position: relative; overflow: hidden;
    border-left: 4px solid transparent;
    box-shadow: var(--oms-shadow);
    transition: box-shadow .2s, transform .2s;
}
.oms-stat-card:hover {
    box-shadow: var(--oms-shadow-lg);
    transform: translateY(-2px);
}
.oms-stat-card .stat-value {
    font-size: 2rem; font-weight: 800;
    color: var(--oms-navy); line-height: 1.1;
    letter-spacing: -.02em;
}
.oms-stat-card .stat-label {
    font-size: .78rem; color: var(--oms-muted);
    margin-top: .25rem; font-weight: 500;
    text-transform: uppercase; letter-spacing: .04em;
}
.oms-stat-card .oms-stat-icon {
    position: absolute; top: .85rem; right: 1rem;
    font-size: 1.75rem; opacity: .13;
}
.oms-stat-teal   { border-left-color: #0f7c6c; }  .oms-stat-teal .oms-stat-icon   { color: #0f7c6c; }
.oms-stat-orange { border-left-color: #c8791a; }  .oms-stat-orange .oms-stat-icon { color: #c8791a; }
.oms-stat-purple { border-left-color: #6b4fa0; }  .oms-stat-purple .oms-stat-icon { color: #6b4fa0; }
.oms-stat-red    { border-left-color: #b3392c; }  .oms-stat-red .oms-stat-icon    { color: #b3392c; }

/* ── Generic cards ─────────────────────────────────────────────── */
.oms-card {
    background: #fff;
    border: 1px solid var(--oms-border);
    border-radius: 12px;
    box-shadow: var(--oms-shadow-sm);
}
.oms-card .card-header {
    background: #fafbfc;
    border-bottom: 1px solid var(--oms-border);
    font-weight: 600; padding: .9rem 1.15rem;
    border-radius: 12px 12px 0 0;
    font-size: .9rem;
}

/* ── Buttons ───────────────────────────────────────────────────── */
.btn-teal { background: var(--oms-teal); border-color: var(--oms-teal); color: #fff; }
.btn-teal:hover { background: var(--oms-teal-light); border-color: var(--oms-teal-light); color: #fff; }

/* ── Status pills ──────────────────────────────────────────────── */
.status-pill { padding: .22rem .65rem; border-radius: 20px; font-size: .74rem; font-weight: 600; }
.status-present { background: rgba(15,124,108,.1); color: #0a6658; }
.status-absent  { background: rgba(179,57,44,.1);  color: #922d24; }
.status-leave   { background: rgba(200,121,26,.1); color: #9e5e11; }
.status-work_from_home { background: rgba(107,79,160,.1); color: #5a3f85; }

/* ── Auth page ─────────────────────────────────────────────────── */
.oms-auth-wrap {
    min-height: 100vh;
    display: flex; align-items: center; justify-content: center; gap: 4rem;
    background: linear-gradient(160deg, #1E293B 0%, #0d1f2d 100%);
    padding: 2rem;
}
.oms-auth-card {
    background: #fff; border-radius: 16px;
    width: 100%; max-width: 390px;
    padding: 2.2rem; box-shadow: var(--oms-shadow-lg);
}
.oms-auth-card img.logo { height: 56px; margin-bottom: .5rem; }

/* ── Overlay ───────────────────────────────────────────────────── */
.oms-overlay { display:none; position:fixed; inset:0; background:rgba(0,0,0,.45); z-index:1040; }
.oms-overlay.show { display:block; }

/* ── Responsive tables ─────────────────────────────────────────── */
@media (max-width: 576px) {
    table.table-responsive-cards thead { display: none; }
    table.table-responsive-cards,
    table.table-responsive-cards tbody,
    table.table-responsive-cards tr,
    table.table-responsive-cards td { display: block; width: 100%; }
    table.table-responsive-cards tr {
        border: 1px solid var(--oms-border); border-radius: 10px;
        margin-bottom: .75rem; padding: .5rem .75rem;
        box-shadow: var(--oms-shadow-sm);
    }
    table.table-responsive-cards td {
        border: none; padding: .35rem 0;
        display: flex; justify-content: space-between; gap: .5rem; font-size: .85rem;
    }
    table.table-responsive-cards td::before {
        content: attr(data-label); font-weight: 600; color: var(--oms-muted); flex-shrink: 0;
    }
}

/* ── Mobile sidebar ────────────────────────────────────────────── */
@media (max-width: 768px) {
    .oms-sidebar {
        position: fixed; left: -270px; top: 0; bottom: 0;
        width: 260px; z-index: 1050; transition: left .22s ease;
    }
    .oms-sidebar.open { left: 0; }
    .oms-content { padding: 1rem; }
    .oms-topbar { padding: .6rem 1rem; }
    .oms-nav a { padding: .75rem .85rem; font-size: .92rem; }
    .btn, .form-select, .form-control { min-height: 44px; }
    .oms-stat-card { padding: .9rem 1rem; }
    .oms-stat-card .stat-value { font-size: 1.5rem; }
    .oms-auth-wrap { flex-direction: column; gap: 1.5rem; }
    .oms-auth-card { margin: 0; padding: 1.5rem; }
}

/* ── Animated welcome banner ───────────────────────────────────── */
.oms-banner {
    background: linear-gradient(90deg,#0f7c6c,#1E293B,#c8791a,#b3392c,#12a58f,#1E293B,#0f7c6c);
    background-size: 400% 100%;
    animation: omsBannerShift 14s ease-in-out infinite;
    color: #fff; overflow: hidden; white-space: nowrap; padding: .42rem 0;
}
.oms-banner-track {
    display: inline-block; padding-left: 100%;
    animation: omsBannerScroll 26s linear infinite;
}
.oms-banner-text {
    font-weight: 600; font-size: .86rem;
    letter-spacing: .02em; text-shadow: 0 1px 2px rgba(0,0,0,.25);
}
.oms-banner-sep { margin: 0 1.5rem; opacity: .6; }
@keyframes omsBannerShift { 0%{background-position:0% 50%} 50%{background-position:100% 50%} 100%{background-position:0% 50%} }
@keyframes omsBannerScroll { 0%{transform:translateX(0)} 100%{transform:translateX(-100%)} }
@media (prefers-reduced-motion:reduce) { .oms-banner,.oms-banner-track{animation:none} .oms-banner-track{padding-left:1rem} }
@media (max-width:576px) { .oms-banner-text{font-size:.76rem} }

/* ── Notification bell ─────────────────────────────────────────── */
@keyframes bellRing {
    0%,100%{transform:rotate(0)} 15%{transform:rotate(15deg)} 30%{transform:rotate(-12deg)}
    45%{transform:rotate(10deg)} 60%{transform:rotate(-8deg)} 75%{transform:rotate(5deg)}
}
.bell-ring i { animation: bellRing .8s ease-in-out; }
.create-album-section {
    margin: 30px 0;
}

.create-album-card {
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 20px;
    padding: 24px;
    border: 1px dashed #174b87;
    border-radius: 14px;
    background: #f0f5fc;
}

.create-album-card h2 {
    margin: 0 0 8px;
    color: #102b50;
    font-size: 21px;
}

.create-album-card p {
    margin: 0;
    color: #64748b;
    line-height: 1.7;
}

.create-album-btn {
    display: inline-block;
    padding: 12px 18px;
    border-radius: 9px;
    background: #174b87;
    color: #fff;
    text-decoration: none;
    font-weight: 700;
}

.create-album-btn:hover {
    background: #102b50;
}

@media (max-width: 600px) {
    .create-album-card {
        align-items: flex-start;
        flex-direction: column;
    }
}

/* Desktop navigation spacing */
@media (min-width: 681px) {
    .navin {
        flex-wrap: wrap;
        padding-top: 10px;
        padding-bottom: 10px;
    }

    .links {
        max-width: 74%;
        gap: 10px 14px;
        flex-wrap: wrap;
        justify-content: flex-end;
    }

    .links a {
        white-space: nowrap;
    }
}