/* ================================================
   Portfolio Tracker v2 — App CSS
   Icons: Google Material Symbols
   Theme: data-theme="light" | "dark"
   ================================================ */

:root,
[data-theme="light"] {
    --sidebar-w:           240px;
    --sidebar-col-w:       58px;
    --topbar-h:            56px;

    --bg-page:             #f0f2f7;
    --bg-sidebar:          #0f1729;
    --bg-card:             #ffffff;
    --bg-input:            #ffffff;
    --bg-hover:            #f8f9ff;

    --accent:              #4f6ef7;
    --accent-light:        #eef1fe;
    --accent-dark:         #3b56d9;

    --color-success:       #059669;
    --color-success-bg:    #ecfdf5;
    --color-danger:        #dc2626;
    --color-danger-bg:     #fef2f2;
    --color-warning:       #d97706;
    --color-warning-bg:    #fffbeb;
    --color-muted:         #6b7280;

    --text-primary:        #111827;
    --text-secondary:      #6b7280;
    --text-sidebar:        #94a3b8;

    --border:              #e5e7eb;
    --border-input:        #d1d5db;
    --radius:              12px;
    --radius-sm:           8px;
    --radius-xs:           6px;

    --shadow-sm:  0 1px 3px rgba(0,0,0,.06);
    --shadow-md:  0 4px 16px rgba(0,0,0,.08);
    --shadow-lg:  0 8px 32px rgba(0,0,0,.12);
}

[data-theme="dark"] {
    --bg-page:             #0d1117;
    --bg-sidebar:          #060d1a;
    --bg-card:             #161b27;
    --bg-input:            #1e2635;
    --bg-hover:            #1a2235;

    --accent:              #6b84f8;
    --accent-light:        #1a2340;
    --accent-dark:         #4f6ef7;

    --color-success:       #34d399;
    --color-success-bg:    #0d2e1e;
    --color-danger:        #f87171;
    --color-danger-bg:     #2d1515;
    --color-warning:       #fbbf24;
    --color-warning-bg:    #2d1f05;
    --color-muted:         #8b949e;

    --text-primary:        #e6edf3;
    --text-secondary:      #8b949e;
    --text-sidebar:        #64748b;

    --border:              #30363d;
    --border-input:        #30363d;

    --shadow-sm:  0 1px 3px rgba(0,0,0,.3);
    --shadow-md:  0 4px 16px rgba(0,0,0,.4);
    --shadow-lg:  0 8px 32px rgba(0,0,0,.5);
}

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

body {
    font-family: 'Plus Jakarta Sans', sans-serif;
    background: var(--bg-page);
    color: var(--text-primary);
    font-size: 14px;
    line-height: 1.6;
    transition: background .2s, color .2s;
}

.material-symbols-outlined {
    font-variation-settings: 'FILL' 0, 'wght' 300, 'GRAD' 0, 'opsz' 24;
    font-size: 20px;
    line-height: 1;
    vertical-align: middle;
    flex-shrink: 0;
}

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

/* ── Sidebar ────────────────────────────────────── */
.sidebar {
    width: var(--sidebar-col-w);
    background: var(--bg-sidebar);
    display: flex;
    flex-direction: column;
    position: fixed;
    top: 0; left: 0; bottom: 0;
    z-index: 200;
    overflow: hidden;
    transition: width .25s cubic-bezier(.4,0,.2,1);
}
.sidebar:hover { width: var(--sidebar-w); }

.sidebar-header {
    padding: 12px;
    border-bottom: 1px solid rgba(255,255,255,.06);
    flex-shrink: 0;
    min-width: var(--sidebar-w);
    height: var(--topbar-h);
    display: flex;
    align-items: center;
}

/* Logo C — barras + tendencia inline */
.logo-mark {
    width: 36px; height: 36px; min-width: 36px;
    background: #0f1729;
    border: 1px solid rgba(79,110,247,.4);
    border-radius: 9px;
    display: flex; align-items: flex-end; justify-content: center;
    gap: 3px;
    padding: 7px 6px 5px;
    flex-shrink: 0;
    position: relative;
    overflow: hidden;
}
.logo-mark .bar {
    width: 5px; border-radius: 2px 2px 0 0;
    background: #4f6ef7;
}
.logo-mark .b1 { height: 10px; opacity: .45; }
.logo-mark .b2 { height: 14px; opacity: .65; }
.logo-mark .b3 { height: 18px; opacity: .85; }
.logo-mark .b4 { height: 15px; opacity: .75; }
.logo-mark .trend {
    position: absolute;
    top: 6px; left: 5px; right: 5px;
    height: 8px;
}

.logo-text-wrap {
    margin-left: 10px;
    white-space: nowrap;
}
.logo-name {
    display: block;
    font-size: 13.5px;
    font-weight: 700;
    color: #fff;
    line-height: 1.2;
    letter-spacing: -.2px;
}
.logo-sub {
    display: block;
    font-size: 10px;
    color: var(--text-sidebar);
    font-weight: 400;
    letter-spacing: .5px;
    text-transform: uppercase;
}

/* Nav */
.sidebar-nav {
    flex: 1;
    padding: 10px 8px;
    overflow-y: auto;
    overflow-x: hidden;
    min-width: var(--sidebar-w);
}

.nav-group-label {
    font-size: 9.5px;
    font-weight: 700;
    letter-spacing: .1em;
    text-transform: uppercase;
    color: rgba(148,163,184,.35);
    padding: 12px 8px 4px;
    white-space: nowrap;
    opacity: 0;
    transition: opacity .2s;
}
.sidebar:hover .nav-group-label { opacity: 1; }

.nav-item {
    display: flex;
    align-items: center;
    gap: 9px;
    padding: 7px 10px;
    border-radius: var(--radius-xs);
    color: var(--text-sidebar);
    text-decoration: none;
    font-weight: 500;
    font-size: 13px;
    transition: background .12s, color .12s;
    margin-bottom: 1px;
    white-space: nowrap;
}
.nav-item .material-symbols-outlined { font-size: 19px; min-width: 19px; }
.nav-item span.label { opacity: 0; transition: opacity .15s; }
.sidebar:hover .nav-item span.label { opacity: 1; }
.nav-item:hover { background: rgba(255,255,255,.07); color: #cbd5e1; }
.nav-item.active { background: var(--accent); color: #fff; }
.nav-item.active .material-symbols-outlined {
    font-variation-settings: 'FILL' 1, 'wght' 400, 'GRAD' 0, 'opsz' 24;
}

/* Sidebar footer */
.sidebar-footer {
    padding: 10px 8px;
    border-top: 1px solid rgba(255,255,255,.06);
    flex-shrink: 0;
    min-width: var(--sidebar-w);
}
.user-row {
    display: flex; align-items: center; gap: 8px;
    white-space: nowrap;
}
.user-avatar {
    width: 32px; height: 32px; min-width: 32px;
    border-radius: 50%; background: var(--accent);
    display: flex; align-items: center; justify-content: center;
    color: #fff; font-weight: 700; font-size: 12px;
    flex-shrink: 0;
}
.user-name  { display: block; font-size: 12.5px; font-weight: 600; color: #e2e8f0; }
.user-role  { display: block; font-size: 10.5px; color: var(--text-sidebar); text-transform: capitalize; }
.user-meta  { flex: 1; min-width: 0; opacity: 0; transition: opacity .15s; }
.sidebar:hover .user-meta { opacity: 1; }
.btn-logout {
    color: var(--text-sidebar); font-size: 18px; text-decoration: none;
    opacity: 0; transition: color .15s, opacity .15s;
    display: flex; align-items: center;
}
.sidebar:hover .btn-logout { opacity: 1; }
.btn-logout:hover { color: #f87171; }

/* ── Main content ───────────────────────────────── */
.main-content {
    margin-left: var(--sidebar-col-w);
    flex: 1; display: flex; flex-direction: column; min-height: 100vh;
    transition: margin-left .25s cubic-bezier(.4,0,.2,1);
}

/* ── Topbar ─────────────────────────────────────── */
.topbar {
    height: var(--topbar-h);
    background: var(--bg-card);
    border-bottom: 1px solid var(--border);
    display: flex; align-items: center;
    padding: 0 20px; gap: 12px;
    position: sticky; top: 0; z-index: 100;
    transition: background .2s, border-color .2s;
}
.sidebar-toggle {
    background: none; border: none; cursor: pointer;
    color: var(--text-secondary); display: none; padding: 4px;
    align-items: center;
}
@media (max-width: 991px) {
    .sidebar-toggle { display: flex; }
}
.topbar-title {
    flex: 1; font-weight: 600; font-size: 15px; color: var(--text-primary);
}
.topbar-actions { display: flex; align-items: center; gap: 8px; }

.icon-btn {
    width: 34px; height: 34px; border-radius: var(--radius-xs);
    border: 1px solid var(--border); background: var(--bg-page);
    color: var(--text-secondary);
    display: flex; align-items: center; justify-content: center;
    cursor: pointer; transition: all .15s; text-decoration: none;
}
.icon-btn:hover { background: var(--accent-light); color: var(--accent); border-color: var(--accent); }
.icon-btn .material-symbols-outlined { font-size: 18px; }

/* ── Page content ───────────────────────────────── */
.page-content { padding: 24px 28px; flex: 1; max-width: 100%; }

.table-wrapper {
    width: 100%;
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    box-shadow: var(--shadow-sm);
    overflow: hidden;
}

.page-header {
    display: flex; align-items: flex-start;
    justify-content: space-between; margin-bottom: 20px; gap: 12px;
}
.page-header h1 { font-size: 20px; font-weight: 700; color: var(--text-primary); }
.page-header p  { font-size: 13px; color: var(--text-secondary); margin-top: 2px; }

/* ── Cards ──────────────────────────────────────── */
.card {
    background: var(--bg-card); border: 1px solid var(--border);
    border-radius: var(--radius); box-shadow: var(--shadow-sm);
    transition: background .2s, border-color .2s;
}
.card-body    { padding: 20px; }
.card-header  {
    padding: 14px 20px;
    border-bottom: 1px solid var(--border);
    display: flex; align-items: center; justify-content: space-between;
}
.card-title   { font-size: 14px; font-weight: 600; color: var(--text-primary); }

/* Stat cards */
.stat-card {
    background: var(--bg-card); border: 1px solid var(--border);
    border-radius: var(--radius); padding: 16px 20px;
    display: flex; align-items: center; gap: 14px;
    box-shadow: var(--shadow-sm); transition: background .2s, border-color .2s;
}
.stat-icon {
    width: 44px; height: 44px; border-radius: 11px;
    display: flex; align-items: center; justify-content: center;
    flex-shrink: 0;
}
.stat-icon .material-symbols-outlined { font-size: 22px; }
.si-blue   { background: var(--accent-light);    color: var(--accent); }
.si-green  { background: var(--color-success-bg); color: var(--color-success); }
.si-red    { background: var(--color-danger-bg);  color: var(--color-danger); }
.si-amber  { background: var(--color-warning-bg); color: var(--color-warning); }
.si-gray   { background: var(--bg-hover);         color: var(--text-secondary); }

.stat-label { font-size: 11px; font-weight: 600; text-transform: uppercase; letter-spacing: .05em; color: var(--text-secondary); }
.stat-value { font-size: 24px; font-weight: 700; color: var(--text-primary); line-height: 1.2; }
.stat-sub   { font-size: 11.5px; color: var(--text-secondary); margin-top: 1px; }

/* ── Buttons ────────────────────────────────────── */
.btn { display: inline-flex; align-items: center; gap: 6px; font-family: inherit; font-weight: 500; border-radius: var(--radius-sm); cursor: pointer; transition: all .15s; border: 1px solid transparent; text-decoration: none; white-space: nowrap; }
.btn .material-symbols-outlined { font-size: 17px; }

.btn-sm  { font-size: 12.5px; padding: 5px 12px; }
.btn-md  { font-size: 13.5px; padding: 8px 16px; }
.btn-lg  { font-size: 14.5px; padding: 10px 22px; }

.btn-primary   { background: var(--accent); border-color: var(--accent); color: #fff; }
.btn-primary:hover { background: var(--accent-dark); border-color: var(--accent-dark); color: #fff; }
.btn-secondary { background: var(--bg-page); border-color: var(--border); color: var(--text-secondary); }
.btn-secondary:hover { border-color: var(--accent); color: var(--accent); background: var(--accent-light); }
.btn-danger    { background: var(--color-danger-bg); border-color: var(--color-danger); color: var(--color-danger); }
.btn-danger:hover { background: var(--color-danger); color: #fff; }
.btn-ghost     { background: transparent; border-color: transparent; color: var(--text-secondary); }
.btn-ghost:hover { background: var(--bg-hover); color: var(--text-primary); }

/* ── Badges ─────────────────────────────────────── */
.badge {
    display: inline-flex; align-items: center; gap: 4px;
    padding: 2px 10px; border-radius: 20px;
    font-size: 11px; font-weight: 700; letter-spacing: .04em; text-transform: uppercase;
}
.badge-active   { background: var(--color-success-bg); color: var(--color-success); }
.badge-inactive { background: var(--color-danger-bg);  color: var(--color-danger); }
.badge-admin    { background: var(--accent-light); color: var(--accent); }
.badge-operator { background: var(--color-success-bg); color: var(--color-success); }
.badge-viewer   { background: var(--bg-hover); color: var(--text-secondary); }

.change-badge {
    display: inline-flex; align-items: center; gap: 3px;
    padding: 2px 8px; border-radius: 20px; font-size: 12px; font-weight: 600;
}
.change-badge .material-symbols-outlined { font-size: 14px; }
.badge-up   { background: var(--color-success-bg); color: var(--color-success); }
.badge-down { background: var(--color-danger-bg);  color: var(--color-danger); }

/* Color dot */
.color-dot {
    display: inline-block; width: 10px; height: 10px;
    border-radius: 50%; flex-shrink: 0;
}

/* ── Forms ──────────────────────────────────────── */
.form-label {
    display: block; font-size: 12.5px; font-weight: 600;
    color: var(--text-primary); margin-bottom: 5px;
}
.form-hint { font-size: 11.5px; color: var(--text-secondary); margin-top: 3px; }

.form-control, .form-select {
    width: 100%;
    border: 1px solid var(--border-input);
    border-radius: var(--radius-sm); font-size: 13.5px;
    padding: 8px 12px; color: var(--text-primary);
    background: var(--bg-input);
    font-family: inherit;
    transition: border-color .15s, box-shadow .15s, background .2s;
}
.form-control:focus, .form-select:focus {
    outline: none;
    border-color: var(--accent);
    box-shadow: 0 0 0 3px rgba(79,110,247,.15);
}
.form-control::placeholder { color: var(--text-secondary); opacity: .6; }

.input-group { display: flex; }
.input-group .form-control { border-radius: var(--radius-sm) 0 0 var(--radius-sm); flex: 1; }
.input-group .btn { border-radius: 0 var(--radius-sm) var(--radius-sm) 0; border-left: 0; }

.form-row { display: grid; gap: 16px; }
.col-2 { grid-template-columns: 1fr 1fr; }
.col-3 { grid-template-columns: 1fr 1fr 1fr; }
.col-4 { grid-template-columns: 1fr 1fr 1fr 1fr; }

.form-section-title {
    font-size: 10.5px; font-weight: 700; letter-spacing: .08em;
    text-transform: uppercase; color: var(--text-secondary); margin-bottom: 14px;
}

/* Color picker row */
.color-picker-row {
    display: flex; align-items: center; gap: 10px;
}
.color-picker-row input[type="color"] {
    width: 40px; height: 36px; border: 1px solid var(--border-input);
    border-radius: var(--radius-sm); cursor: pointer; padding: 2px;
    background: var(--bg-input);
}

/* ── Tables (DataTables) ────────────────────────── */
.table-wrapper {
    width: 100%;
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    box-shadow: var(--shadow-sm);
    overflow: hidden;
}

/* Wrapper reset */
.dataTables_wrapper { background: var(--bg-card); color: var(--text-primary); }

/* ── Zone 1: top bar (search left, length right) ── */
.dt-top-bar {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 14px 20px;
    gap: 12px;
    border-bottom: 1px solid var(--border);
}
.dt-top-bar .dataTables_filter,
.dt-top-bar .dataTables_length { float: none; }

.dt-top-bar .dataTables_filter label,
.dt-top-bar .dataTables_length label {
    display: flex; align-items: center; gap: 8px;
    font-size: 13px; color: var(--text-secondary); font-weight: 500; margin: 0;
}
.dt-top-bar .dataTables_filter input {
    width: 320px !important;
    background: var(--bg-input);
    color: var(--text-primary);
    border: 1px solid var(--border-input);
    border-radius: var(--radius-sm);
    padding: 8px 14px;
    font-size: 14px;
    outline: none;
    font-family: inherit;
    transition: border-color .15s, box-shadow .15s;
}
.dt-top-bar .dataTables_filter input:focus {
    border-color: var(--accent);
    box-shadow: 0 0 0 3px rgba(79,110,247,.15);
}
.dt-top-bar .dataTables_length select {
    background: var(--bg-input);
    color: var(--text-primary);
    border: 1px solid var(--border-input);
    border-radius: var(--radius-sm);
    padding: 7px 10px;
    font-size: 13px;
    outline: none;
    font-family: inherit;
    margin: 0 4px;
}

/* ── Zone 2: bottom bar (info left, paginate right) ── */
.dt-bottom-bar {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 12px 20px;
    gap: 12px;
    border-top: 1px solid var(--border);
}
.dt-bottom-bar .dataTables_info {
    float: none;
    padding: 0 !important;
    font-size: 12.5px;
    color: var(--text-secondary);
}
.dt-bottom-bar .dataTables_paginate { float: none; padding: 0 !important; }

/* ── Pagination buttons — joined group ── */
/* DataTables + Bootstrap 5 renders: ul.pagination > li.page-item > a.page-link */
.dataTables_wrapper .dataTables_paginate ul.pagination {
    display: inline-flex !important;
    flex-wrap: nowrap !important;
    margin: 0 !important;
    gap: 0 !important;
}
.dataTables_wrapper .dataTables_paginate .page-item { margin: 0 !important; }
.dataTables_wrapper .dataTables_paginate .page-item .page-link {
    border-radius: 0 !important;
    margin-left: -1px !important;
    padding: 5px 11px !important;
    font-size: 12.5px !important;
    line-height: 1.5 !important;
    color: var(--text-secondary) !important;
    background-color: var(--bg-card) !important;
    border-color: var(--border) !important;
    box-shadow: none !important;
    transition: background .1s, color .1s;
}
.dataTables_wrapper .dataTables_paginate .page-item:first-child .page-link {
    margin-left: 0 !important;
    border-top-left-radius: var(--radius-xs) !important;
    border-bottom-left-radius: var(--radius-xs) !important;
}
.dataTables_wrapper .dataTables_paginate .page-item:last-child .page-link {
    border-top-right-radius: var(--radius-xs) !important;
    border-bottom-right-radius: var(--radius-xs) !important;
}
.dataTables_wrapper .dataTables_paginate .page-item.active .page-link {
    z-index: 2;
    background-color: var(--accent) !important;
    border-color: var(--accent) !important;
    color: #fff !important;
}
.dataTables_wrapper .dataTables_paginate .page-item:not(.active):not(.disabled) .page-link:hover {
    z-index: 2;
    background-color: var(--accent-light) !important;
    color: var(--accent) !important;
    border-color: var(--accent) !important;
}
.dataTables_wrapper .dataTables_paginate .page-item.disabled .page-link {
    color: var(--color-muted) !important;
    background-color: var(--bg-card) !important;
    border-color: var(--border) !important;
}

/* ── Zone 3: export bar ── */
.dt-export-bar {
    padding: 8px 20px 14px;
    display: flex;
    align-items: center;
    gap: 6px;
}
.dt-buttons { display: inline-flex; gap: 6px; margin: 0; }
.dt-button {
    display: inline-flex !important;
    align-items: center;
    gap: 5px;
    padding: 6px 12px !important;
    font-size: 12px !important;
    font-weight: 500 !important;
    border-radius: var(--radius-sm) !important;
    border: 1px solid var(--border) !important;
    background: var(--bg-page) !important;
    color: var(--text-secondary) !important;
    cursor: pointer;
    font-family: inherit !important;
    transition: all .15s !important;
    box-shadow: none !important;
    text-shadow: none !important;
}
.dt-button:hover {
    background: var(--accent-light) !important;
    color: var(--accent) !important;
    border-color: var(--accent) !important;
}
.dt-button span.material-symbols-outlined { font-size: 15px; }

/* ── Table itself ── */
table.dataTable {
    border-collapse: collapse !important;
    width: 100% !important;
    margin: 0 !important;
}
table.dataTable thead th {
    font-size: 11px !important;
    font-weight: 700 !important;
    text-transform: uppercase;
    letter-spacing: .05em;
    color: var(--text-secondary) !important;
    background: var(--bg-card) !important;
    border-bottom: 2px solid var(--border) !important;
    border-top: none !important;
    padding: 11px 16px !important;
    white-space: nowrap;
}
table.dataTable tbody tr {
    background: var(--bg-card) !important;
    border-bottom: 1px solid var(--border) !important;
    transition: background .1s;
}
table.dataTable tbody tr.clickable-row { cursor: pointer; }
table.dataTable tbody tr.clickable-row:hover,
table.dataTable tbody tr.clickable-row:hover td {
    background: var(--accent-light) !important;
    color: var(--text-primary) !important;
}
table.dataTable tbody tr:not(.clickable-row):hover {
    background: var(--bg-hover) !important;
}
table.dataTable tbody td {
    font-size: 13px !important;
    vertical-align: middle !important;
    padding: 11px 16px !important;
    color: var(--text-primary) !important;
    border-top: none !important;
}

/* ── Dark mode — every element explicitly forced ── */
[data-theme="dark"] .dataTables_wrapper,
[data-theme="dark"] .table-wrapper { background: var(--bg-card) !important; }

[data-theme="dark"] .dt-top-bar,
[data-theme="dark"] .dt-bottom-bar { border-color: var(--border) !important; }

[data-theme="dark"] .dt-top-bar .dataTables_filter input,
[data-theme="dark"] .dt-top-bar .dataTables_length select {
    background: var(--bg-input) !important;
    color: var(--text-primary) !important;
    border-color: var(--border-input) !important;
}
[data-theme="dark"] .dt-top-bar .dataTables_filter label,
[data-theme="dark"] .dt-top-bar .dataTables_length label,
[data-theme="dark"] .dt-bottom-bar .dataTables_info {
    color: var(--text-secondary) !important;
}

[data-theme="dark"] table.dataTable thead th {
    background: var(--bg-card) !important;
    color: var(--text-secondary) !important;
    border-color: var(--border) !important;
}
[data-theme="dark"] table.dataTable tbody tr {
    background: var(--bg-card) !important;
    border-color: var(--border) !important;
}
[data-theme="dark"] table.dataTable tbody td {
    background: var(--bg-card) !important;
    color: var(--text-primary) !important;
}
[data-theme="dark"] table.dataTable tbody tr.clickable-row:hover,
[data-theme="dark"] table.dataTable tbody tr.clickable-row:hover td {
    background: var(--accent-light) !important;
}
[data-theme="dark"] table.dataTable tbody tr:not(.clickable-row):hover {
    background: var(--bg-hover) !important;
}

[data-theme="dark"] .dataTables_wrapper .dataTables_paginate .page-item .page-link {
    background-color: var(--bg-card) !important;
    border-color: var(--border) !important;
    color: var(--text-secondary) !important;
}
[data-theme="dark"] .dataTables_wrapper .dataTables_paginate .page-item.active .page-link {
    background-color: var(--accent) !important;
    border-color: var(--accent) !important;
    color: #fff !important;
}
[data-theme="dark"] .dataTables_wrapper .dataTables_paginate .page-item.disabled .page-link {
    background-color: var(--bg-card) !important;
    color: var(--color-muted) !important;
    border-color: var(--border) !important;
}

[data-theme="dark"] .dt-button {
    background: var(--bg-input) !important;
    border-color: var(--border) !important;
    color: var(--text-secondary) !important;
}
[data-theme="dark"] .dt-button:hover {
    background: var(--accent-light) !important;
    color: var(--accent) !important;
    border-color: var(--accent) !important;
}

/* ── Alerts ─────────────────────────────────────── */
.alert { display: flex; align-items: center; gap: 10px; padding: 12px 16px; border-radius: var(--radius-sm); font-size: 13.5px; }
.alert .material-symbols-outlined { font-size: 18px; flex-shrink: 0; }
.alert-danger  { background: var(--color-danger-bg);  color: var(--color-danger);  border: 1px solid var(--color-danger); }
.alert-success { background: var(--color-success-bg); color: var(--color-success); border: 1px solid var(--color-success); }

/* ── Login page ─────────────────────────────────── */
.login-page {
    min-height: 100vh; display: flex;
    align-items: center; justify-content: center;
    background: linear-gradient(135deg, #0f1729 0%, #1a2744 100%);
    padding: 24px;
}
.login-card {
    width: 100%; max-width: 400px;
    background: var(--bg-card); border-radius: 18px;
    padding: 40px 38px; box-shadow: var(--shadow-lg);
    border: 1px solid var(--border);
}
.login-header { text-align: center; margin-bottom: 28px; }
.login-logo {
    display: inline-flex; align-items: flex-end; justify-content: center;
    gap: 3px; background: #0f1729;
    border: 1px solid rgba(79,110,247,.4);
    border-radius: 14px; padding: 10px 12px 8px;
    width: 56px; height: 56px; margin-bottom: 14px;
    position: relative; overflow: hidden;
}
.login-logo .bar { width: 6px; border-radius: 2px 2px 0 0; background: #4f6ef7; }
.login-logo .b1 { height: 12px; opacity: .4; }
.login-logo .b2 { height: 18px; opacity: .65; }
.login-logo .b3 { height: 24px; opacity: .9; }
.login-logo .b4 { height: 19px; opacity: .75; }
.login-card h2 { font-size: 20px; font-weight: 700; color: var(--text-primary); margin-bottom: 4px; }
.login-card .subtitle { font-size: 13px; color: var(--text-secondary); }

/* ── Sidebar overlay mobile ─────────────────────── */
.sidebar-overlay {
    display: none; position: fixed; inset: 0;
    background: rgba(0,0,0,.5); z-index: 199;
}

/* ── Responsive ─────────────────────────────────── */
/* Desktop: sidebar toggle hidden, sidebar uses hover-expand */
.sidebar-toggle { display: none; }

@media (max-width: 991px) {
    /* On mobile sidebar is always collapsed — toggle button controls it */
    .sidebar {
        width: 0 !important;
        transform: translateX(-100%);
        overflow: hidden;
        transition: width .25s ease, transform .25s ease;
    }
    /* Disable hover-expand on mobile */
    .sidebar:hover { width: 0 !important; transform: translateX(-100%); }

    /* When open via JS toggle */
    .sidebar.open {
        width: var(--sidebar-w) !important;
        transform: translateX(0) !important;
        overflow: visible;
    }
    /* All text elements visible when open */
    .sidebar.open .nav-item span.label { opacity: 1 !important; transition: none; }
    .sidebar.open .nav-group-label     { opacity: 1 !important; transition: none; }
    .sidebar.open .user-meta           { opacity: 1 !important; transition: none; }
    .sidebar.open .btn-logout          { opacity: 1 !important; transition: none; }
    .sidebar.open .logo-text-wrap      { opacity: 1 !important; transition: none; }
    /* Nav needs full width visible */
    .sidebar.open .sidebar-nav         { min-width: var(--sidebar-w); }
    .sidebar.open .sidebar-header      { min-width: var(--sidebar-w); }
    .sidebar.open .sidebar-footer      { min-width: var(--sidebar-w); }

    .main-content   { margin-left: 0; }
    .sidebar-toggle { display: flex !important; }
    .sidebar-overlay.open { display: block; }
    .col-3, .col-4 { grid-template-columns: 1fr 1fr; }
}

@media (max-width: 576px) {
    .page-content { padding: 14px; }
    .page-header { flex-direction: column; }
    .col-2, .col-3, .col-4 { grid-template-columns: 1fr; }
}