/* ==========================================================================
   Call Analytics Dashboard — Main Stylesheet
   Theme: Dark (default) + Light toggle
   Font: IBM Plex Sans (display) + IBM Plex Mono (data/numbers)
   Accents: Blue (#388bfd) for Dashboard, Orange (#f0883e) for Management
   ========================================================================== */

@import url('https://fonts.googleapis.com/css2?family=IBM+Plex+Sans:wght@300;400;500;600;700&family=IBM+Plex+Mono:wght@400;500&display=swap');

/* ==========================================================================
   DARK THEME (Default)
   ========================================================================== */
body, body.theme-dark {
    --bg-base:        #0d1117;
    --bg-surface:     #161b22;
    --bg-elevated:    #1c2128;
    --bg-hover:       #21262d;
    --border:         #30363d;
    --border-subtle:  #21262d;
    --text-primary:   #e6edf3;
    --text-secondary: #8b949e;
    --text-muted:     #484f58;
    --accent-blue:    #388bfd;
    --accent-green:   #3fb950;
    --accent-yellow:  #d29922;
    --accent-red:     #f85149;
    --accent-purple:  #bc8cff;
    --accent-teal:    #39d353;
    --accent-mgmt:    #f0883e;
    --chart-1:        #388bfd;
    --chart-2:        #3fb950;
    --chart-3:        #d29922;
    --chart-4:        #f85149;
    --chart-5:        #bc8cff;
    --chart-6:        #39c5cf;
    --chart-7:        #ff7b72;
    --chart-8:        #ffa657;
    --shadow:         0 4px 16px rgba(0,0,0,0.4);
    --shadow-sm:      0 2px 8px rgba(0,0,0,0.3);
    --input-bg:       #0d1117;
    --input-border:   #30363d;
    --scrollbar-bg:   #21262d;
    --scrollbar-thumb:#30363d;
    --score-high-bg:  rgba(63,185,80,0.15);
    --score-mid-bg:   rgba(210,153,34,0.15);
    --score-low-bg:   rgba(248,81,73,0.15);
    --pass-bg:        rgba(63,185,80,0.15);
    --fail-bg:        rgba(248,81,73,0.15);
    --na-bg:          rgba(139,148,158,0.15);
}

/* ==========================================================================
   LIGHT THEME
   ========================================================================== */
body.theme-light {
    --bg-base:        #f6f8fa;
    --bg-surface:     #ffffff;
    --bg-elevated:    #eaeef2;
    --bg-hover:       #f3f4f6;
    --border:         #d0d7de;
    --border-subtle:  #eaeef2;
    --text-primary:   #1f2328;
    --text-secondary: #656d76;
    --text-muted:     #9198a1;
    --accent-blue:    #0969da;
    --accent-green:   #1a7f37;
    --accent-yellow:  #9a6700;
    --accent-red:     #cf222e;
    --accent-purple:  #8250df;
    --accent-teal:    #0a7c5c;
    --accent-mgmt:    #bc4c00;
    --chart-1:        #0969da;
    --chart-2:        #1a7f37;
    --chart-3:        #9a6700;
    --chart-4:        #cf222e;
    --chart-5:        #8250df;
    --chart-6:        #0a7c5c;
    --chart-7:        #953800;
    --chart-8:        #7d4e00;
    --shadow:         0 4px 16px rgba(0,0,0,0.1);
    --shadow-sm:      0 2px 8px rgba(0,0,0,0.08);
    --input-bg:       #ffffff;
    --input-border:   #d0d7de;
    --scrollbar-bg:   #eaeef2;
    --scrollbar-thumb:#d0d7de;
    --score-high-bg:  rgba(26,127,55,0.12);
    --score-mid-bg:   rgba(154,103,0,0.12);
    --score-low-bg:   rgba(207,34,46,0.12);
    --pass-bg:        rgba(26,127,55,0.12);
    --fail-bg:        rgba(207,34,46,0.12);
    --na-bg:          rgba(101,109,118,0.12);
}

/* ==========================================================================
   Shared Structural Variables
   ========================================================================== */
:root {
    --sidebar-width:  240px;
    --header-height:  60px;
    --radius:         8px;
    --radius-sm:      4px;
    --font-base:      'IBM Plex Sans', sans-serif;
    --font-mono:      'IBM Plex Mono', monospace;
}

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

html, body {
    height: 100%;
    font-family: var(--font-base);
    background: var(--bg-base);
    color: var(--text-primary);
    font-size: 14px;
    line-height: 1.6;
    -webkit-font-smoothing: antialiased;
    transition: background 0.2s ease, color 0.2s ease;
}

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

::-webkit-scrollbar { width: 6px; height: 6px; }
::-webkit-scrollbar-track { background: var(--scrollbar-bg); }
::-webkit-scrollbar-thumb { background: var(--scrollbar-thumb); border-radius: 3px; }

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

/* ==========================================================================
   Sidebar
   ========================================================================== */
.sidebar {
    width: var(--sidebar-width);
    background: var(--bg-surface);
    border-right: 1px solid var(--border);
    display: flex;
    flex-direction: column;
    position: fixed;
    top: 0; left: 0; bottom: 0;
    z-index: 100;
    overflow-y: auto;
    transition: background 0.2s ease, border-color 0.2s ease;
}

.sidebar-brand {
    padding: 20px 20px 16px;
    border-bottom: 1px solid var(--border);
}

.sidebar-brand .brand-icon {
    width: 32px; height: 32px;
    background: var(--accent-blue);
    border-radius: var(--radius-sm);
    display: inline-flex;
    align-items: center; justify-content: center;
    margin-bottom: 8px;
}

.sidebar-brand .brand-icon svg { width: 18px; height: 18px; fill: #fff; }
.sidebar-brand h1 { font-size: 13px; font-weight: 600; color: var(--text-primary); letter-spacing: 0.5px; line-height: 1.3; }
.sidebar-brand p { font-size: 11px; color: var(--text-muted); margin-top: 2px; }

.sidebar-nav { padding: 12px 0; flex: 1; }

.nav-section-label {
    font-size: 10px;
    font-weight: 600;
    letter-spacing: 1px;
    text-transform: uppercase;
    color: var(--text-muted);
    padding: 12px 20px 6px;
}

.nav-item {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 9px 20px;
    color: var(--text-secondary);
    font-size: 13px;
    font-weight: 400;
    cursor: pointer;
    transition: background 0.15s, color 0.15s;
    border-left: 3px solid transparent;
    text-decoration: none;
}

.nav-item:hover { background: var(--bg-hover); color: var(--text-primary); text-decoration: none; }

.nav-item.active {
    background: rgba(56, 139, 253, 0.1);
    color: var(--accent-blue);
    border-left-color: var(--accent-blue);
    font-weight: 500;
}

body.theme-light .nav-item.active { background: rgba(9, 105, 218, 0.08); }

.nav-item.active-mgmt {
    background: rgba(240, 136, 62, 0.1);
    color: var(--accent-mgmt);
    border-left-color: var(--accent-mgmt);
    font-weight: 500;
}

body.theme-light .nav-item.active-mgmt { background: rgba(188, 76, 0, 0.08); }

.nav-item svg { width: 16px; height: 16px; flex-shrink: 0; opacity: 0.7; }
.nav-item.active svg, .nav-item.active-mgmt svg { opacity: 1; }

.nav-item .nav-badge {
    margin-left: auto;
    font-size: 10px;
    background: var(--bg-elevated);
    color: var(--text-muted);
    padding: 1px 6px;
    border-radius: 10px;
    border: 1px solid var(--border);
}

.sidebar-footer { padding: 16px 20px; border-top: 1px solid var(--border); font-size: 11px; color: var(--text-muted); }

/* ==========================================================================
   Main Content
   ========================================================================== */
.main-content { margin-left: var(--sidebar-width); flex: 1; display: flex; flex-direction: column; min-height: 100vh; }

/* ==========================================================================
   Top Bar
   ========================================================================== */
.topbar {
    height: var(--header-height);
    background: var(--bg-surface);
    border-bottom: 1px solid var(--border);
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0 28px;
    position: sticky;
    top: 0;
    z-index: 50;
    transition: background 0.2s ease, border-color 0.2s ease;
}

.topbar-left h2 { font-size: 15px; font-weight: 600; color: var(--text-primary); }
.topbar-left .breadcrumb-text { font-size: 12px; color: var(--text-muted); margin-top: 1px; }
.topbar-right { display: flex; align-items: center; gap: 12px; }

/* ==========================================================================
   Theme Toggle
   ========================================================================== */
.theme-toggle {
    width: 36px; height: 36px;
    border-radius: 50%;
    border: 1px solid var(--border);
    background: var(--bg-elevated);
    color: var(--text-secondary);
    cursor: pointer;
    display: flex;
    align-items: center; justify-content: center;
    transition: all 0.2s ease;
    flex-shrink: 0;
}

.theme-toggle:hover { background: var(--bg-hover); color: var(--text-primary); border-color: var(--accent-blue); }
.theme-toggle svg { width: 16px; height: 16px; }

/* Dark mode shows moon (to switch to light), Light mode shows sun (to switch to dark) */
.theme-toggle .icon-sun  { display: none; }
.theme-toggle .icon-moon { display: block; }
body.theme-light .theme-toggle .icon-sun  { display: block; }
body.theme-light .theme-toggle .icon-moon { display: none; }

/* ==========================================================================
   Page Content
   ========================================================================== */
.page-content { padding: 24px 28px; flex: 1; }

/* ==========================================================================
   Filter Bar
   ========================================================================== */
.filter-bar {
    background: var(--bg-surface);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 16px 20px;
    display: flex;
    align-items: flex-end;
    gap: 16px;
    flex-wrap: wrap;
    margin-bottom: 24px;
}

.filter-group { display: flex; flex-direction: column; gap: 6px; }

.filter-group label {
    font-size: 11px;
    font-weight: 500;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    color: var(--text-muted);
}

.filter-group input,
.filter-group select {
    background: var(--input-bg);
    border: 1px solid var(--input-border);
    color: var(--text-primary);
    border-radius: var(--radius-sm);
    padding: 8px 12px;
    font-family: var(--font-base);
    font-size: 13px;
    outline: none;
    transition: border-color 0.15s, background 0.2s;
    min-width: 160px;
}

.filter-group input:focus,
.filter-group select:focus { border-color: var(--accent-blue); }

.filter-group select option { background: var(--input-bg); color: var(--text-primary); }

/* ==========================================================================
   Buttons
   ========================================================================== */
.btn {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 8px 16px;
    border-radius: var(--radius-sm);
    font-family: var(--font-base);
    font-size: 13px;
    font-weight: 500;
    cursor: pointer;
    border: 1px solid transparent;
    transition: all 0.15s;
    text-decoration: none;
    white-space: nowrap;
}

.btn svg { width: 14px; height: 14px; flex-shrink: 0; }
.btn-sm { padding: 4px 10px; font-size: 11px; }
.btn-icon { padding: 6px; width: 30px; height: 30px; justify-content: center; }

.btn-primary { background: var(--accent-blue); color: #fff; border-color: var(--accent-blue); }
.btn-primary:hover { opacity: 0.88; text-decoration: none; color: #fff; }

.btn-mgmt { background: var(--accent-mgmt); color: #fff; border-color: var(--accent-mgmt); }
.btn-mgmt:hover { opacity: 0.88; text-decoration: none; color: #fff; }

.btn-secondary { background: var(--bg-elevated); color: var(--text-primary); border-color: var(--border); }
.btn-secondary:hover { background: var(--bg-hover); text-decoration: none; color: var(--text-primary); }

.btn-outline-green { background: transparent; color: var(--accent-green); border-color: var(--accent-green); }
.btn-outline-green:hover { background: rgba(63,185,80,0.1); text-decoration: none; color: var(--accent-green); }

.btn-outline-red { background: transparent; color: var(--accent-red); border-color: var(--accent-red); }
.btn-outline-red:hover { background: rgba(248,81,73,0.1); text-decoration: none; color: var(--accent-red); }

.btn-outline-mgmt { background: transparent; color: var(--accent-mgmt); border-color: var(--accent-mgmt); }
.btn-outline-mgmt:hover { background: rgba(240,136,62,0.1); text-decoration: none; color: var(--accent-mgmt); }

/* ==========================================================================
   Stat Cards
   ========================================================================== */
.stat-cards { display: grid; grid-template-columns: repeat(auto-fit, minmax(200px, 1fr)); gap: 16px; margin-bottom: 24px; }

.stat-card {
    background: var(--bg-surface);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 20px;
    position: relative;
    overflow: hidden;
    transition: border-color 0.2s, background 0.2s;
}

.stat-card:hover { border-color: var(--accent-blue); }

.stat-card::before {
    content: '';
    position: absolute;
    top: 0; left: 0; right: 0;
    height: 2px;
    background: var(--card-accent, var(--accent-blue));
}

.stat-card.green  { --card-accent: var(--accent-green); }
.stat-card.yellow { --card-accent: var(--accent-yellow); }
.stat-card.purple { --card-accent: var(--accent-purple); }
.stat-card.orange { --card-accent: var(--accent-mgmt); }

.stat-label { font-size: 11px; font-weight: 500; text-transform: uppercase; letter-spacing: 0.5px; color: var(--text-muted); margin-bottom: 8px; }
.stat-value { font-size: 28px; font-weight: 700; font-family: var(--font-mono); color: var(--text-primary); line-height: 1; margin-bottom: 6px; }
.stat-sub { font-size: 12px; color: var(--text-secondary); }
.stat-icon { position: absolute; top: 16px; right: 16px; width: 32px; height: 32px; opacity: 0.15; }

/* ==========================================================================
   Chart Cards
   ========================================================================== */
.chart-grid { display: grid; gap: 16px; margin-bottom: 16px; }
.chart-grid-2   { grid-template-columns: 1fr 1fr; }
.chart-grid-3   { grid-template-columns: 1fr 1fr 1fr; }
.chart-grid-2-1 { grid-template-columns: 2fr 1fr; }
.chart-grid-1-2 { grid-template-columns: 1fr 2fr; }

.chart-card {
    background: var(--bg-surface);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 20px;
    display: flex;
    flex-direction: column;
    transition: background 0.2s, border-color 0.2s;
}

.chart-card-header { display: flex; align-items: center; justify-content: space-between; margin-bottom: 16px; flex-shrink: 0; }
.chart-card-title { font-size: 13px; font-weight: 600; color: var(--text-primary); }
.chart-card-subtitle { font-size: 11px; color: var(--text-muted); margin-top: 2px; }
.chart-card-badge { font-size: 11px; color: var(--text-muted); background: var(--bg-elevated); border: 1px solid var(--border); padding: 2px 8px; border-radius: 10px; }

.chart-container { position: relative; flex: 1; }
.chart-h-200 { height: 200px; }
.chart-h-240 { height: 240px; }
.chart-h-280 { height: 280px; }
.chart-h-300 { height: 300px; }
.chart-h-320 { height: 320px; }
.chart-h-360 { height: 360px; }

/* ==========================================================================
   Data Tables
   ========================================================================== */
.data-table-wrap { overflow-x: auto; margin-top: 4px; }

.data-table { width: 100%; border-collapse: collapse; font-size: 13px; }

.data-table th {
    text-align: left;
    padding: 10px 12px;
    font-size: 11px;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    color: var(--text-muted);
    border-bottom: 1px solid var(--border);
    white-space: nowrap;
    background: var(--bg-surface);
}

.data-table td { padding: 11px 12px; border-bottom: 1px solid var(--border-subtle); color: var(--text-secondary); vertical-align: middle; }
.data-table tbody tr:hover td { background: var(--bg-hover); color: var(--text-primary); }
.data-table tbody tr:last-child td { border-bottom: none; }
.data-table td.mono { font-family: var(--font-mono); font-size: 12px; }

/* Score Pills */
.score-pill { display: inline-flex; align-items: center; justify-content: center; width: 44px; height: 22px; border-radius: 11px; font-family: var(--font-mono); font-size: 11px; font-weight: 500; }
.score-pill.high   { background: var(--score-high-bg); color: var(--accent-green); }
.score-pill.mid    { background: var(--score-mid-bg);  color: var(--accent-yellow); }
.score-pill.low    { background: var(--score-low-bg);  color: var(--accent-red); }

/* Badges */
.badge { display: inline-flex; align-items: center; gap: 4px; padding: 2px 8px; border-radius: 10px; font-size: 11px; font-weight: 500; text-transform: uppercase; letter-spacing: 0.3px; }
.badge-pass    { background: var(--pass-bg); color: var(--accent-green); }
.badge-fail    { background: var(--fail-bg); color: var(--accent-red); }
.badge-na      { background: var(--na-bg);   color: var(--text-muted); }
.badge-active  { background: var(--pass-bg); color: var(--accent-green); }
.badge-inactive{ background: var(--na-bg);   color: var(--text-muted); }

/* Progress Bars */
.progress-bar-wrap { height: 6px; background: var(--bg-elevated); border-radius: 3px; overflow: hidden; width: 100%; }
.progress-bar-fill { height: 100%; border-radius: 3px; transition: width 0.6s ease; }
.progress-bar-fill.green  { background: var(--accent-green); }
.progress-bar-fill.yellow { background: var(--accent-yellow); }
.progress-bar-fill.red    { background: var(--accent-red); }

/* ==========================================================================
   Leaderboard
   ========================================================================== */
.leaderboard-list { display: flex; flex-direction: column; gap: 8px; margin-top: 4px; }
.leaderboard-item { display: flex; align-items: center; gap: 12px; padding: 8px 0; border-bottom: 1px solid var(--border-subtle); }
.leaderboard-item:last-child { border-bottom: none; }
.leaderboard-rank { width: 24px; font-size: 11px; font-family: var(--font-mono); color: var(--text-muted); flex-shrink: 0; text-align: center; }
.leaderboard-name { flex: 1; font-size: 13px; color: var(--text-primary); white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.leaderboard-bar-wrap { width: 120px; height: 6px; background: var(--bg-elevated); border-radius: 3px; overflow: hidden; flex-shrink: 0; }
.leaderboard-bar { height: 100%; border-radius: 3px; background: var(--accent-blue); transition: width 0.6s ease; }
.leaderboard-score { width: 40px; font-family: var(--font-mono); font-size: 12px; color: var(--text-secondary); text-align: right; flex-shrink: 0; }

/* ==========================================================================
   Agent Header
   ========================================================================== */
.agent-header { display: flex; align-items: center; gap: 16px; margin-bottom: 24px; padding: 20px; background: var(--bg-surface); border: 1px solid var(--border); border-radius: var(--radius); }
.agent-avatar { width: 48px; height: 48px; border-radius: 50%; background: linear-gradient(135deg, var(--accent-blue), var(--accent-purple)); display: flex; align-items: center; justify-content: center; font-size: 18px; font-weight: 700; color: #fff; flex-shrink: 0; }
.agent-header-info h3 { font-size: 16px; font-weight: 600; color: var(--text-primary); }
.agent-header-info p { font-size: 12px; color: var(--text-muted); margin-top: 2px; }

/* ==========================================================================
   Management — Page Header
   ========================================================================== */
.page-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 24px;
    padding-bottom: 16px;
    border-bottom: 1px solid var(--border);
}

.page-header-left h2 { font-size: 18px; font-weight: 600; color: var(--text-primary); }
.page-header-left p { font-size: 12px; color: var(--text-muted); margin-top: 3px; }

/* Orange top border for management cards */
.mgmt-card {
    background: var(--bg-surface);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 20px;
    transition: background 0.2s, border-color 0.2s;
}

.mgmt-card::before {
    content: '';
    display: block;
    height: 2px;
    background: var(--accent-mgmt);
    margin: -20px -20px 20px -20px;
    border-radius: var(--radius) var(--radius) 0 0;
}

/* ==========================================================================
   Management — Forms
   ========================================================================== */
.form-card {
    background: var(--bg-surface);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 24px;
    margin-bottom: 16px;
    transition: background 0.2s, border-color 0.2s;
}

.form-card-title {
    font-size: 13px;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: 16px;
    padding-bottom: 12px;
    border-bottom: 1px solid var(--border);
    display: flex;
    align-items: center;
    gap: 8px;
}

.form-card-title svg { width: 14px; height: 14px; color: var(--accent-mgmt); }

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

.form-group { display: flex; flex-direction: column; gap: 6px; }
.form-group.full-width { grid-column: 1 / -1; }

.form-group label { font-size: 12px; font-weight: 500; color: var(--text-secondary); }
.form-group label .required { color: var(--accent-red); margin-left: 2px; }

.form-control {
    background: var(--input-bg);
    border: 1px solid var(--input-border);
    color: var(--text-primary);
    border-radius: var(--radius-sm);
    padding: 8px 12px;
    font-family: var(--font-base);
    font-size: 13px;
    outline: none;
    transition: border-color 0.15s, background 0.2s, box-shadow 0.15s;
    width: 100%;
}

.form-control:focus {
    border-color: var(--accent-mgmt);
    box-shadow: 0 0 0 3px rgba(240, 136, 62, 0.15);
}

body.theme-light .form-control:focus {
    box-shadow: 0 0 0 3px rgba(188, 76, 0, 0.12);
}

.form-control::placeholder { color: var(--text-muted); }
textarea.form-control { resize: vertical; min-height: 100px; line-height: 1.6; }

.form-check { display: flex; align-items: center; gap: 8px; padding: 10px 0; }
.form-check input[type="checkbox"] { width: 16px; height: 16px; accent-color: var(--accent-mgmt); cursor: pointer; }
.form-check label { font-size: 13px; color: var(--text-secondary); cursor: pointer; margin: 0; }

.form-hint { font-size: 11px; color: var(--text-muted); margin-top: 2px; }

.form-actions {
    display: flex;
    align-items: center;
    gap: 10px;
    margin-top: 20px;
    padding-top: 16px;
    border-top: 1px solid var(--border);
}

/* Locked/dynamic field */
.locked-field .form-control {
    background: var(--bg-elevated);
    color: var(--text-muted);
    cursor: not-allowed;
    border-style: dashed;
}

.locked-badge {
    display: inline-flex;
    align-items: center;
    gap: 4px;
    font-size: 10px;
    color: var(--accent-yellow);
    background: rgba(210, 153, 34, 0.1);
    border: 1px solid rgba(210, 153, 34, 0.3);
    padding: 2px 7px;
    border-radius: 10px;
    margin-left: 8px;
}

.locked-badge svg { width: 10px; height: 10px; }

/* ==========================================================================
   Toggle Switch
   ========================================================================== */
.toggle-switch { position: relative; width: 36px; height: 20px; flex-shrink: 0; }
.toggle-switch input { opacity: 0; width: 0; height: 0; }

.toggle-slider {
    position: absolute;
    cursor: pointer;
    inset: 0;
    background: var(--bg-elevated);
    border: 1px solid var(--border);
    border-radius: 20px;
    transition: 0.2s;
}

.toggle-slider::before {
    content: '';
    position: absolute;
    width: 14px; height: 14px;
    left: 2px; top: 2px;
    background: var(--text-muted);
    border-radius: 50%;
    transition: 0.2s;
}

.toggle-switch input:checked + .toggle-slider { background: var(--accent-green); border-color: var(--accent-green); }
.toggle-switch input:checked + .toggle-slider::before { transform: translateX(16px); background: #fff; }

/* ==========================================================================
   Tabs (for Configure screen)
   ========================================================================== */
.tab-nav {
    display: flex;
    gap: 0;
    border-bottom: 1px solid var(--border);
    margin-bottom: 20px;
}

.tab-btn {
    padding: 10px 20px;
    font-size: 13px;
    font-weight: 500;
    color: var(--text-secondary);
    background: transparent;
    border: none;
    border-bottom: 2px solid transparent;
    margin-bottom: -1px;
    cursor: pointer;
    transition: color 0.15s, border-color 0.15s;
    display: flex;
    align-items: center;
    gap: 6px;
    font-family: var(--font-base);
}

.tab-btn:hover { color: var(--text-primary); }

.tab-btn.active {
    color: var(--accent-mgmt);
    border-bottom-color: var(--accent-mgmt);
}

.tab-btn svg { width: 14px; height: 14px; }
.tab-badge { font-size: 10px; background: var(--bg-elevated); border: 1px solid var(--border); padding: 1px 6px; border-radius: 10px; color: var(--text-muted); }
.tab-btn.active .tab-badge { background: rgba(240,136,62,0.15); border-color: rgba(240,136,62,0.3); color: var(--accent-mgmt); }

.tab-pane { display: none; }
.tab-pane.active { display: block; }

/* ==========================================================================
   Dual Panel (assign/available)
   ========================================================================== */
.dual-panel {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 16px;
    margin-bottom: 16px;
}

.panel-box {
    background: var(--bg-elevated);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    display: flex;
    flex-direction: column;
}

.panel-box-header {
    padding: 12px 16px;
    border-bottom: 1px solid var(--border);
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.panel-box-title {
    font-size: 12px;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    color: var(--text-muted);
}

.panel-box-body {
    flex: 1;
    overflow-y: auto;
    max-height: 280px;
    padding: 8px 0;
}

.panel-item {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 8px 16px;
    cursor: pointer;
    transition: background 0.12s;
    font-size: 13px;
    color: var(--text-secondary);
}

.panel-item:hover { background: var(--bg-hover); color: var(--text-primary); }
.panel-item.selected { background: rgba(240,136,62,0.08); color: var(--text-primary); }

.panel-item input[type="checkbox"] { accent-color: var(--accent-mgmt); width: 14px; height: 14px; flex-shrink: 0; }

.panel-item .item-name { flex: 1; }
.panel-item .item-meta { font-size: 11px; color: var(--text-muted); font-family: var(--font-mono); }

.panel-actions {
    padding: 12px 16px;
    border-top: 1px solid var(--border);
    display: flex;
    gap: 8px;
}

/* Weight input in assigned panel */
.weight-input {
    width: 60px;
    background: var(--input-bg);
    border: 1px solid var(--input-border);
    color: var(--text-primary);
    border-radius: var(--radius-sm);
    padding: 3px 6px;
    font-family: var(--font-mono);
    font-size: 12px;
    text-align: center;
    outline: none;
}

.weight-input:focus { border-color: var(--accent-mgmt); }

/* Weight total indicator */
.weight-total {
    padding: 10px 16px;
    border-top: 1px solid var(--border);
    display: flex;
    align-items: center;
    justify-content: space-between;
    font-size: 12px;
    color: var(--text-muted);
}

.weight-total-value {
    font-family: var(--font-mono);
    font-size: 13px;
    font-weight: 600;
}

.weight-total-value.valid   { color: var(--accent-green); }
.weight-total-value.invalid { color: var(--accent-red); }

/* ==========================================================================
   Prompt Preview Box
   ========================================================================== */
.prompt-preview {
    background: var(--bg-elevated);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 16px;
    margin-top: 16px;
}

.prompt-preview-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 12px;
    padding-bottom: 10px;
    border-bottom: 1px solid var(--border);
}

.prompt-preview-title {
    font-size: 12px;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    color: var(--text-muted);
    display: flex;
    align-items: center;
    gap: 6px;
}

.prompt-preview-title svg { width: 13px; height: 13px; color: var(--accent-mgmt); }

.prompt-preview-body {
    font-family: var(--font-mono);
    font-size: 11px;
    color: var(--text-secondary);
    line-height: 1.8;
    white-space: pre-wrap;
    max-height: 300px;
    overflow-y: auto;
}

.prompt-section-block {
    margin-bottom: 12px;
    padding: 10px 12px;
    border-left: 2px solid var(--border);
    border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
}

.prompt-section-block.dynamic {
    border-left-color: var(--accent-yellow);
    background: rgba(210, 153, 34, 0.05);
}

.prompt-section-block.static {
    border-left-color: var(--accent-mgmt);
    background: rgba(240, 136, 62, 0.05);
}

.prompt-section-label {
    font-size: 10px;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    margin-bottom: 6px;
}

.prompt-section-block.dynamic .prompt-section-label { color: var(--accent-yellow); }
.prompt-section-block.static .prompt-section-label  { color: var(--accent-mgmt); }

/* ==========================================================================
   Alert / Notifications
   ========================================================================== */
.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 svg { width: 16px; height: 16px; flex-shrink: 0; }
.alert-success { background: var(--pass-bg); color: var(--accent-green); border-color: rgba(63,185,80,0.3); }
.alert-error   { background: var(--fail-bg); color: var(--accent-red);   border-color: rgba(248,81,73,0.3); }
.alert-warning { background: var(--score-mid-bg); color: var(--accent-yellow); border-color: rgba(210,153,34,0.3); }

/* ==========================================================================
   Empty State
   ========================================================================== */
.empty-state { display: flex; flex-direction: column; align-items: center; justify-content: center; padding: 48px 24px; text-align: center; color: var(--text-muted); }
.empty-state svg { width: 40px; height: 40px; opacity: 0.3; margin-bottom: 12px; }
.empty-state p { font-size: 13px; }

/* ==========================================================================
   Flatpickr Theme Override
   ========================================================================== */
.flatpickr-calendar { background: var(--bg-elevated) !important; border: 1px solid var(--border) !important; box-shadow: var(--shadow) !important; color: var(--text-primary) !important; }
.flatpickr-day { color: var(--text-secondary) !important; border-radius: var(--radius-sm) !important; }
.flatpickr-day:hover { background: var(--bg-hover) !important; color: var(--text-primary) !important; }
.flatpickr-day.selected { background: var(--accent-blue) !important; border-color: var(--accent-blue) !important; color: #fff !important; }
.flatpickr-months .flatpickr-month, .flatpickr-weekdays, span.flatpickr-weekday { background: var(--bg-elevated) !important; color: var(--text-secondary) !important; }
.flatpickr-current-month .flatpickr-monthDropdown-months { background: var(--bg-elevated) !important; }

/* ==========================================================================
   PDF Overlay
   ========================================================================== */
.pdf-overlay { display: none; position: fixed; inset: 0; background: rgba(0,0,0,0.7); z-index: 9999; align-items: center; justify-content: center; flex-direction: column; gap: 16px; color: #e6edf3; font-size: 14px; }
.pdf-overlay.active { display: flex; }
.pdf-spinner { width: 36px; height: 36px; border: 3px solid rgba(255,255,255,0.2); border-top-color: var(--accent-blue); border-radius: 50%; animation: spin 0.8s linear infinite; }
@keyframes spin { to { transform: rotate(360deg); } }

/* ==========================================================================
   Responsive
   ========================================================================== */
@media (max-width: 1100px) {
    .chart-grid-2, .chart-grid-2-1, .chart-grid-1-2 { grid-template-columns: 1fr; }
    .chart-grid-3 { grid-template-columns: 1fr 1fr; }
    .form-grid    { grid-template-columns: 1fr; }
    .form-grid-3  { grid-template-columns: 1fr 1fr; }
    .dual-panel   { grid-template-columns: 1fr; }
}

@media (max-width: 768px) {
    :root { --sidebar-width: 0px; }
    .sidebar { display: none; }
    .main-content { margin-left: 0; }
    .chart-grid-3, .form-grid-3 { grid-template-columns: 1fr; }
    .stat-cards { grid-template-columns: 1fr 1fr; }
    .page-content { padding: 16px; }
}

/* ==========================================================================
   Print
   ========================================================================== */
@media print {
    .sidebar, .topbar, .filter-bar, .btn { display: none !important; }
    .main-content { margin-left: 0 !important; }
    .page-content { padding: 0 !important; }
    body { background: #fff !important; color: #000 !important; }
    .chart-card, .stat-card { border: 1px solid #ddd !important; background: #fff !important; break-inside: avoid; }
}