@import url('https://fonts.googleapis.com/css2?family=DM+Sans:ital,opsz,wght@0,9..40,300;0,9..40,400;0,9..40,500;0,9..40,600;0,9..40,700&family=DM+Mono:wght@400;500&display=swap');

:root {
    --brand:          #6C63FF;
    --brand-light:    rgba(108,99,255,.12);
    --brand-dark:     #5549E0;
    --brand-glow:     rgba(108,99,255,.25);

    --success:        #34D399;
    --success-bg:     rgba(52,211,153,.1);
    --warning:        #FBBF24;
    --warning-bg:     rgba(251,191,36,.1);
    --danger:         #F87171;
    --danger-bg:      rgba(248,113,113,.1);
    --info:           #60A5FA;
    --info-bg:        rgba(96,165,250,.1);

    /* Dark palette */
    --bg-body:        #0B0F19;
    --bg-surface:     #111827;
    --bg-card:        #1A1F2E;
    --bg-card-hover:  #212738;
    --bg-elevated:    #252B3B;
    --bg-input:       #1E2433;
    --bg-sidebar:     #0F1320;

    --border-default: #1F2937;
    --border-subtle:  #1A1F2E;
    --border-strong:  #374151;

    --text-primary:   #F9FAFB;
    --text-secondary: #9CA3AF;
    --text-muted:     #6B7280;
    --text-dim:       #4B5563;

    --sidebar-w:      250px;
    --radius:         10px;
    --radius-sm:      6px;
    --radius-lg:      14px;
    --shadow-sm:      0 1px 3px rgba(0,0,0,.3);
    --shadow:         0 4px 16px rgba(0,0,0,.4);
    --shadow-lg:      0 12px 40px rgba(0,0,0,.5);
    --transition:     all .2s cubic-bezier(.4,0,.2,1);
}

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

body {
    font-family: 'DM Sans', -apple-system, sans-serif;
    font-size: 14px;
    color: var(--text-primary);
    background: var(--bg-body);
    line-height: 1.6;
    -webkit-font-smoothing: antialiased;
}

a { color: var(--brand); text-decoration: none; }
a:hover { color: #8B85FF; }

::selection { background: var(--brand-glow); color: #fff; }

::-webkit-scrollbar { width: 6px; height: 6px; }
::-webkit-scrollbar-track { background: transparent; }
::-webkit-scrollbar-thumb { background: var(--border-strong); border-radius: 3px; }
::-webkit-scrollbar-thumb:hover { background: var(--text-dim); }

/* ─── SIDEBAR ─────────────────────────────────────────────────── */
.sidebar {
    position: fixed;
    top: 0; left: 0;
    width: var(--sidebar-w);
    height: 100vh;
    background: var(--bg-sidebar);
    border-right: 1px solid var(--border-default);
    display: flex;
    flex-direction: column;
    z-index: 100;
    overflow-y: auto;
}

.sidebar-brand {
    padding: 20px 20px 16px;
    border-bottom: 1px solid var(--border-default);
    display: flex;
    align-items: center;
    gap: 11px;
}
.sidebar-brand .brand-icon {
    width: 36px; height: 36px;
    background: linear-gradient(135deg, var(--brand), #8B85FF);
    border-radius: 9px;
    display: grid; place-items: center;
    color: #fff; font-size: 16px;
    flex-shrink: 0;
    box-shadow: 0 2px 8px var(--brand-glow);
}
.sidebar-brand .brand-name {
    font-size: 16px;
    font-weight: 700;
    color: var(--text-primary);
    letter-spacing: -.4px;
}
.sidebar-brand .brand-name span { color: var(--brand); }

.sidebar-nav {
    list-style: none;
    padding: 12px 10px;
    flex: 1;
}
.sidebar-nav li + li { margin-top: 1px; }

.sidebar-section-label {
    font-size: 10px;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: .9px;
    color: var(--text-dim);
    padding: 16px 12px 5px;
}

.sidebar-nav a {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 9px 12px;
    border-radius: var(--radius-sm);
    color: var(--text-secondary);
    text-decoration: none;
    font-size: 13.5px;
    font-weight: 500;
    transition: var(--transition);
}
.sidebar-nav a i { font-size: 16px; flex-shrink: 0; opacity: .7; }
.sidebar-nav a:hover { background: rgba(255,255,255,.04); color: var(--text-primary); }
.sidebar-nav a:hover i { opacity: 1; }
.sidebar-nav a.active {
    background: var(--brand-light);
    color: var(--brand);
    font-weight: 600;
}
.sidebar-nav a.active i { color: var(--brand); opacity: 1; }

.sidebar-footer {
    padding: 12px 10px;
    border-top: 1px solid var(--border-default);
}
.sidebar-footer a {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 9px 12px;
    border-radius: var(--radius-sm);
    color: var(--danger);
    text-decoration: none;
    font-size: 13.5px;
    font-weight: 500;
    transition: var(--transition);
}
.sidebar-footer a:hover { background: var(--danger-bg); }

/* ─── MAIN CONTENT ────────────────────────────────────────────── */
.main-content {
    margin-left: var(--sidebar-w);
    min-height: 100vh;
    display: flex;
    flex-direction: column;
}

.topbar {
    background: var(--bg-surface);
    border-bottom: 1px solid var(--border-default);
    padding: 0 28px;
    height: 58px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    position: sticky;
    top: 0;
    z-index: 50;
    backdrop-filter: blur(8px);
}
.topbar-title {
    font-size: 15px;
    font-weight: 700;
    color: var(--text-primary);
    letter-spacing: -.3px;
}
.topbar-right { display: flex; align-items: center; gap: 14px; }
.avatar {
    width: 32px; height: 32px;
    background: linear-gradient(135deg, var(--brand), #8B85FF);
    border-radius: 50%;
    color: #fff;
    font-size: 12px;
    font-weight: 700;
    display: grid; place-items: center;
}
.topbar-user { font-size: 13px; color: var(--text-secondary); font-weight: 500; }
.topbar-role {
    font-size: 10px;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: .5px;
    color: var(--text-dim);
    padding: 2px 8px;
    background: rgba(255,255,255,.05);
    border-radius: 99px;
}

.page-body { padding: 24px 28px; flex: 1; }

/* ─── CARDS ───────────────────────────────────────────────────── */
.card {
    background: var(--bg-card);
    border: 1px solid var(--border-default);
    border-radius: var(--radius);
    box-shadow: var(--shadow-sm);
}
.card-header {
    padding: 14px 20px;
    border-bottom: 1px solid var(--border-subtle);
    font-size: 13.5px;
    font-weight: 600;
    color: var(--text-primary);
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 8px;
    flex-wrap: wrap;
}
.card-body { padding: 20px; }

/* ─── STAT CARDS ──────────────────────────────────────────────── */
.stat-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 16px;
    margin-bottom: 20px;
}
@media (max-width: 1200px) { .stat-grid { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 700px)  { .stat-grid { grid-template-columns: 1fr; } }

.stat-card {
    background: var(--bg-card);
    border: 1px solid var(--border-default);
    border-radius: var(--radius);
    padding: 20px;
    box-shadow: var(--shadow-sm);
    display: flex;
    align-items: flex-start;
    justify-content: space-between;
    gap: 12px;
    transition: var(--transition);
}
.stat-card:hover { border-color: var(--border-strong); transform: translateY(-1px); box-shadow: var(--shadow); }
.stat-label { font-size: 11.5px; font-weight: 600; color: var(--text-muted); text-transform: uppercase; letter-spacing: .5px; margin-bottom: 6px; }
.stat-value { font-size: 26px; font-weight: 700; color: var(--text-primary); letter-spacing: -1px; line-height: 1; }
.stat-sub   { font-size: 12px; color: var(--text-dim); margin-top: 4px; }
.stat-icon-wrap {
    width: 42px; height: 42px;
    border-radius: 10px;
    display: grid; place-items: center;
    font-size: 18px;
    flex-shrink: 0;
}
.stat-icon-blue   { background: var(--info-bg);    color: var(--info); }
.stat-icon-green  { background: var(--success-bg); color: var(--success); }
.stat-icon-yellow { background: var(--warning-bg); color: var(--warning); }
.stat-icon-red    { background: var(--danger-bg);  color: var(--danger); }
.stat-icon-purple { background: var(--brand-light); color: var(--brand); }

/* ─── BUTTONS ─────────────────────────────────────────────────── */
.btn {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 8px 16px;
    border-radius: var(--radius-sm);
    font-family: inherit;
    font-size: 13px;
    font-weight: 600;
    cursor: pointer;
    border: 1px solid transparent;
    transition: var(--transition);
    text-decoration: none;
    white-space: nowrap;
    line-height: 1.4;
}
.btn:hover { text-decoration: none; }
.btn i { font-size: 14px; }

.btn-primary {
    background: var(--brand);
    color: #fff;
    box-shadow: 0 1px 4px var(--brand-glow);
}
.btn-primary:hover { background: var(--brand-dark); color: #fff; box-shadow: 0 2px 8px var(--brand-glow); }

.btn-outline {
    background: transparent;
    color: var(--text-secondary);
    border-color: var(--border-strong);
}
.btn-outline:hover { background: rgba(255,255,255,.04); color: var(--text-primary); border-color: var(--text-dim); }

.btn-danger  { background: var(--danger); color: #fff; }
.btn-danger:hover { background: #EF4444; color: #fff; }

.btn-success { background: var(--success); color: #0B0F19; }
.btn-success:hover { background: #2DD4BF; color: #0B0F19; }

.btn-ghost { background: transparent; color: var(--text-secondary); border: none; padding: 6px 10px; }
.btn-ghost:hover { color: var(--text-primary); background: rgba(255,255,255,.06); }

.btn-sm { padding: 5px 12px; font-size: 12px; }
.btn-lg { padding: 11px 22px; font-size: 14.5px; }
.btn:disabled, .btn[disabled] { opacity: .4; cursor: not-allowed; }

.btn-icon {
    width: 34px; height: 34px;
    padding: 0;
    display: inline-grid;
    place-items: center;
    border-radius: var(--radius-sm);
    background: transparent;
    border: 1px solid var(--border-strong);
    color: var(--text-secondary);
    cursor: pointer;
    transition: var(--transition);
}
.btn-icon:hover { background: rgba(255,255,255,.06); color: var(--text-primary); }
.btn-icon i { font-size: 14px; }

/* ─── TABLES ──────────────────────────────────────────────────── */
.table-wrap { overflow-x: auto; }
table { width: 100%; border-collapse: collapse; }
thead th {
    padding: 10px 16px;
    text-align: left;
    font-size: 11px;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: .6px;
    color: var(--text-dim);
    background: rgba(255,255,255,.02);
    border-bottom: 1px solid var(--border-default);
}
tbody td {
    padding: 12px 16px;
    font-size: 13.5px;
    color: var(--text-secondary);
    border-bottom: 1px solid var(--border-subtle);
}
tbody tr:last-child td { border-bottom: none; }
tbody tr:hover td { background: rgba(255,255,255,.02); }
tbody td strong { color: var(--text-primary); font-weight: 600; }

/* ─── BADGES ──────────────────────────────────────────────────── */
.badge {
    display: inline-flex;
    align-items: center;
    gap: 4px;
    padding: 3px 10px;
    border-radius: 99px;
    font-size: 11px;
    font-weight: 600;
    letter-spacing: .2px;
}
.badge-green  { background: var(--success-bg); color: var(--success); }
.badge-yellow { background: var(--warning-bg); color: var(--warning); }
.badge-red    { background: var(--danger-bg);  color: var(--danger);  }
.badge-blue   { background: var(--info-bg);    color: var(--info);    }
.badge-gray   { background: rgba(255,255,255,.06); color: var(--text-secondary); }
.badge-purple { background: var(--brand-light); color: var(--brand);  }

/* ─── FORMS ───────────────────────────────────────────────────── */
.form-group { margin-bottom: 18px; }
.form-label {
    display: block;
    font-size: 12.5px;
    font-weight: 600;
    color: var(--text-secondary);
    margin-bottom: 6px;
}
.form-hint { font-size: 12px; color: var(--text-dim); margin-top: 4px; }

.form-control {
    display: block;
    width: 100%;
    padding: 9px 13px;
    border: 1px solid var(--border-strong);
    border-radius: var(--radius-sm);
    font-family: inherit;
    font-size: 13.5px;
    color: var(--text-primary);
    background: var(--bg-input);
    transition: var(--transition);
    outline: none;
}
.form-control::placeholder { color: var(--text-dim); }
.form-control:focus { border-color: var(--brand); box-shadow: 0 0 0 3px var(--brand-glow); }
select.form-control { cursor: pointer; -webkit-appearance: none; }
textarea.form-control { resize: vertical; min-height: 100px; }

.form-check {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 4px 0;
}
.form-check input[type="checkbox"] {
    width: 16px; height: 16px;
    accent-color: var(--brand);
    cursor: pointer;
}
.form-check label {
    font-size: 13px;
    color: var(--text-secondary);
    cursor: pointer;
}

/* ─── ALERTS ──────────────────────────────────────────────────── */
.alert {
    padding: 12px 16px;
    border-radius: var(--radius-sm);
    font-size: 13px;
    margin-bottom: 16px;
    display: flex;
    align-items: center;
    gap: 10px;
    border: 1px solid transparent;
}
.alert-success { background: var(--success-bg); color: var(--success); border-color: rgba(52,211,153,.2); }
.alert-danger  { background: var(--danger-bg);  color: var(--danger);  border-color: rgba(248,113,113,.2); }
.alert-warning { background: var(--warning-bg); color: var(--warning); border-color: rgba(251,191,36,.2); }
.alert-info    { background: var(--info-bg);     color: var(--info);    border-color: rgba(96,165,250,.2); }

/* ─── PERFORMANCE BARS ────────────────────────────────────────── */
.perf-row { margin-bottom: 14px; }
.perf-header { display: flex; justify-content: space-between; font-size: 13px; margin-bottom: 5px; }
.perf-label  { font-weight: 500; color: var(--text-secondary); }
.perf-val    { font-weight: 700; color: var(--text-primary); font-variant-numeric: tabular-nums; }
.perf-bar    { height: 6px; background: rgba(255,255,255,.05); border-radius: 99px; overflow: hidden; }
.perf-fill   { height: 100%; border-radius: 99px; transition: width .6s cubic-bezier(.4,0,.2,1); }

/* ─── PAGE HEADER ─────────────────────────────────────────────── */
.page-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 20px;
    gap: 12px;
    flex-wrap: wrap;
}
.page-header h2 { font-size: 20px; font-weight: 700; color: var(--text-primary); letter-spacing: -.4px; }
.page-header p  { font-size: 13px; color: var(--text-muted); margin-top: 2px; }

/* ─── EMPTY STATE ─────────────────────────────────────────────── */
.empty-state {
    text-align: center;
    padding: 48px 20px;
    color: var(--text-dim);
}
.empty-state i  { font-size: 40px; margin-bottom: 12px; display: block; }
.empty-state p  { font-size: 13.5px; color: var(--text-muted); }
.empty-state h3 { font-size: 18px; margin-bottom: 6px; }

/* ─── CHART CONTAINER ─────────────────────────────────────────── */
.chart-container { position: relative; height: 220px; }

/* ─── LOGIN ───────────────────────────────────────────────────── */
.login-page {
    min-height: 100vh;
    background: var(--bg-body);
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 20px;
    position: relative;
    overflow: hidden;
}
.login-page::before {
    content: '';
    position: absolute;
    width: 600px; height: 600px;
    background: radial-gradient(circle, var(--brand-glow) 0%, transparent 70%);
    top: -200px; right: -100px;
    pointer-events: none;
}
.login-page::after {
    content: '';
    position: absolute;
    width: 400px; height: 400px;
    background: radial-gradient(circle, rgba(96,165,250,.08) 0%, transparent 70%);
    bottom: -100px; left: -50px;
    pointer-events: none;
}
.login-card {
    background: var(--bg-card);
    border: 1px solid var(--border-default);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-lg);
    padding: 40px;
    width: 100%;
    max-width: 400px;
    position: relative;
    z-index: 1;
}
.login-logo {
    display: flex;
    align-items: center;
    gap: 11px;
    margin-bottom: 28px;
}
.login-logo .icon {
    width: 42px; height: 42px;
    background: linear-gradient(135deg, var(--brand), #8B85FF);
    border-radius: 11px;
    display: grid; place-items: center;
    color: #fff; font-size: 18px;
    box-shadow: 0 2px 12px var(--brand-glow);
}
.login-logo .name { font-size: 20px; font-weight: 700; color: var(--text-primary); }
.login-logo .name span { color: var(--brand); }
.login-card h2 { font-size: 22px; font-weight: 700; color: var(--text-primary); margin-bottom: 4px; }
.login-card .subtitle { font-size: 13.5px; color: var(--text-muted); margin-bottom: 24px; }

/* ─── 2/3-COLUMN GRID ────────────────────────────────────────── */
.grid-2 { display: grid; grid-template-columns: 1fr 1fr; gap: 20px; }
.grid-3 { display: grid; grid-template-columns: 1fr 1fr 1fr; gap: 20px; }
.grid-4 { display: grid; grid-template-columns: repeat(4,1fr); gap: 16px; }
@media (max-width: 900px) { .grid-2, .grid-3, .grid-4 { grid-template-columns: 1fr; } }

/* ─── INFO PANEL ──────────────────────────────────────────────── */
.info-panel {
    border-left: 3px solid var(--brand);
    border-radius: var(--radius-sm);
    background: var(--bg-card);
    border-top: 1px solid var(--border-default);
    border-right: 1px solid var(--border-default);
    border-bottom: 1px solid var(--border-default);
    padding: 16px 20px;
    display: flex;
    gap: 14px;
    align-items: flex-start;
}
.info-panel i { color: var(--brand); font-size: 18px; flex-shrink: 0; margin-top: 2px; }
.info-panel .info-title { font-weight: 600; margin-bottom: 3px; color: var(--text-primary); }
.info-panel .info-text { font-size: 13px; color: var(--text-muted); line-height: 1.7; }

/* ─── TABS ────────────────────────────────────────────────────── */
.tabs {
    display: flex;
    gap: 2px;
    border-bottom: 1px solid var(--border-default);
    margin-bottom: 20px;
}
.tab {
    padding: 10px 18px;
    font-size: 13px;
    font-weight: 600;
    color: var(--text-muted);
    cursor: pointer;
    border-bottom: 2px solid transparent;
    transition: var(--transition);
    text-decoration: none;
}
.tab:hover { color: var(--text-primary); }
.tab.active { color: var(--brand); border-bottom-color: var(--brand); }

/* ─── FILTER BAR ──────────────────────────────────────────────── */
.filter-bar {
    display: flex;
    gap: 8px;
    align-items: center;
    flex-wrap: wrap;
}
.filter-bar .form-control {
    padding: 7px 12px;
    font-size: 13px;
}

/* ─── SEGMENT RULE BUILDER ────────────────────────────────────── */
.rule-row {
    display: flex;
    gap: 10px;
    align-items: center;
    padding: 10px 0;
    border-bottom: 1px solid var(--border-subtle);
    flex-wrap: wrap;
}
.rule-row:last-child { border-bottom: none; }
.rule-row select, .rule-row input { font-size: 13px; padding: 7px 10px; }
.rule-connector {
    font-size: 11px;
    font-weight: 700;
    color: var(--brand);
    text-transform: uppercase;
    letter-spacing: .5px;
    padding: 0 4px;
}

/* ─── MISC ────────────────────────────────────────────────────── */
.mt-0{margin-top:0}.mt-1{margin-top:6px}.mt-2{margin-top:12px}.mt-3{margin-top:20px}.mt-4{margin-top:28px}
.mb-0{margin-bottom:0}.mb-1{margin-bottom:6px}.mb-2{margin-bottom:12px}.mb-3{margin-bottom:20px}.mb-4{margin-bottom:28px}
.text-muted { color: var(--text-dim); font-size: 13px; }
.text-success { color: var(--success); }
.text-danger { color: var(--danger); }
.text-warning { color: var(--warning); }
.text-brand { color: var(--brand); }
.divider { height: 1px; background: var(--border-subtle); margin: 18px 0; }
.mono { font-family: 'DM Mono', monospace; font-size: 12px; }
code {
    background: rgba(255,255,255,.06);
    padding: 2px 7px;
    border-radius: 4px;
    font-family: 'DM Mono', monospace;
    font-size: 12px;
    color: var(--brand);
}

/* ─── MINI STAT ROW ───────────────────────────────────────────── */
.mini-stats {
    display: flex;
    gap: 12px;
    margin-bottom: 20px;
    flex-wrap: wrap;
}
.mini-stat {
    flex: 1;
    min-width: 140px;
    padding: 14px 18px;
}

/* ─── RESPONSIVE ──────────────────────────────────────────────── */
@media (max-width: 768px) {
    .sidebar { display: none; }
    .main-content { margin-left: 0; }
    .page-body { padding: 16px; }
    .topbar { padding: 0 16px; }
    .stat-grid { grid-template-columns: 1fr; }
}