/* =====================================================
   GEPD Dashboard — Design System
   ===================================================== */

:root {
    --accent:        #4F6EF7;
    --accent-light:  #EEF1FE;
    --accent-hover:  #3A57E8;

    --success:       #16A34A;
    --success-light: #DCFCE7;
    --warning:       #D97706;
    --warning-light: #FEF3C7;
    --danger:        #DC2626;
    --danger-light:  #FEE2E2;
    --info:          #0284C7;
    --info-light:    #E0F2FE;

    --bg-page:       #F4F5F7;
    --bg-card:       #FFFFFF;
    --bg-sidebar:    #1C1F2E;
    --bg-sidebar-hover: #2A2F45;

    --text-primary:  #111827;
    --text-secondary:#374151;
    --text-muted:    #6B7280;
    --text-inverse:  #F9FAFB;

    --border:        #E5E7EB;
    --border-focus:  #4F6EF7;

    --shadow-sm:     0 1px 2px rgba(0,0,0,.06);
    --shadow-md:     0 4px 12px rgba(0,0,0,.08);
    --shadow-lg:     0 8px 24px rgba(0,0,0,.12);

    --radius-sm:     6px;
    --radius-md:     10px;
    --radius-lg:     14px;

    --sidebar-w:     220px;
    --topbar-h:      60px;
    --font:          'Inter', system-ui, -apple-system, sans-serif;
}

/* ── Reset ──────────────────────────────────────────── */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { font-size: 16px; }
body {
    font-family: var(--font);
    background: var(--bg-page);
    color: var(--text-primary);
    line-height: 1.5;
    min-height: 100vh;
}
a { color: var(--accent); text-decoration: none; }
a:hover { text-decoration: underline; }
img, svg { display: block; }

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

/* Sidebar */
.sidebar {
    width: var(--sidebar-w);
    background: var(--bg-sidebar);
    display: flex;
    flex-direction: column;
    position: fixed;
    top: 0; left: 0; bottom: 0;
    z-index: 100;
    overflow-y: auto;
}
.sidebar-logo {
    display: flex;
    align-items: center;
    gap: .6rem;
    padding: 1.25rem 1rem;
    border-bottom: 1px solid rgba(255,255,255,.07);
}
.sidebar-logo svg { color: var(--accent); flex-shrink: 0; }
.sidebar-logo span { font-size: .95rem; font-weight: 700; color: #fff; }

.sidebar-section { padding: 1rem 0 .5rem; }
.sidebar-section-label {
    font-size: .65rem;
    font-weight: 700;
    letter-spacing: .08em;
    text-transform: uppercase;
    color: rgba(255,255,255,.3);
    padding: 0 1rem .5rem;
}
.sidebar-nav { list-style: none; }
.sidebar-nav a {
    display: flex;
    align-items: center;
    gap: .65rem;
    padding: .55rem 1rem;
    font-size: .875rem;
    color: rgba(255,255,255,.65);
    border-radius: 0;
    transition: background .15s, color .15s;
}
.sidebar-nav a:hover,
.sidebar-nav a.active {
    background: var(--bg-sidebar-hover);
    color: #fff;
    text-decoration: none;
}
.sidebar-nav a.active { color: var(--accent); font-weight: 600; }
.sidebar-nav svg { flex-shrink: 0; opacity: .8; }

.sidebar-footer {
    margin-top: auto;
    padding: 1rem;
    border-top: 1px solid rgba(255,255,255,.07);
}
.sidebar-footer a {
    display: flex;
    align-items: center;
    gap: .5rem;
    font-size: .8rem;
    color: rgba(255,255,255,.45);
}
.sidebar-footer a:hover { color: rgba(255,255,255,.8); text-decoration: none; }

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

/* Topbar */
.topbar {
    height: var(--topbar-h);
    background: var(--bg-card);
    border-bottom: 1px solid var(--border);
    display: flex;
    align-items: center;
    padding: 0 1.5rem;
    gap: 1rem;
    position: sticky;
    top: 0;
    z-index: 50;
}
.topbar-title { font-size: 1rem; font-weight: 600; flex: 1; }
.topbar-actions { display: flex; align-items: center; gap: .75rem; }

/* Page body */
.page-body { padding: 1.5rem; flex: 1; }
.page-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 1.25rem;
    gap: 1rem;
    flex-wrap: wrap;
}
.page-header h1 { font-size: 1.25rem; font-weight: 700; }
.page-header-actions { display: flex; gap: .5rem; flex-wrap: wrap; }

/* ── Cards ──────────────────────────────────────────── */
.card {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-sm);
}
.card-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 1rem 1.25rem;
    border-bottom: 1px solid var(--border);
    gap: .75rem;
}
.card-header h2 { font-size: .95rem; font-weight: 600; }
.card-body { padding: 1.25rem; }
.card-footer {
    padding: .75rem 1.25rem;
    border-top: 1px solid var(--border);
    background: var(--bg-page);
    border-radius: 0 0 var(--radius-lg) var(--radius-lg);
}

/* Stat cards */
.stat-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
    gap: 1rem;
    margin-bottom: 1.25rem;
}
.stat-card {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    padding: 1.1rem 1.25rem;
    box-shadow: var(--shadow-sm);
}
.stat-card .stat-label {
    font-size: .75rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: .05em;
    color: var(--text-muted);
    margin-bottom: .35rem;
}
.stat-card .stat-value {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--text-primary);
    line-height: 1.2;
}
.stat-card .stat-sub {
    font-size: .75rem;
    color: var(--text-muted);
    margin-top: .25rem;
}
.stat-card.accent  { border-left: 3px solid var(--accent); }
.stat-card.success { border-left: 3px solid var(--success); }
.stat-card.warning { border-left: 3px solid var(--warning); }
.stat-card.danger  { border-left: 3px solid var(--danger); }

/* ── Tables ─────────────────────────────────────────── */
.table-wrap { overflow-x: auto; }
table {
    width: 100%;
    border-collapse: collapse;
    font-size: .875rem;
}
thead th {
    text-align: left;
    padding: .65rem 1rem;
    font-size: .7rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: .06em;
    color: var(--text-muted);
    border-bottom: 1px solid var(--border);
    white-space: nowrap;
    background: var(--bg-page);
}
tbody td {
    padding: .75rem 1rem;
    border-bottom: 1px solid var(--border);
    color: var(--text-secondary);
    vertical-align: middle;
}
tbody tr:last-child td { border-bottom: none; }
tbody tr:hover td { background: #FAFAFA; }
.table-actions { display: flex; gap: .4rem; align-items: center; }

/* ── Badges / Pills ─────────────────────────────────── */
.badge {
    display: inline-flex;
    align-items: center;
    gap: .3rem;
    padding: .2rem .55rem;
    border-radius: 999px;
    font-size: .7rem;
    font-weight: 600;
    text-transform: capitalize;
    white-space: nowrap;
}
.badge-active    { background: var(--success-light); color: var(--success); }
.badge-paused    { background: var(--warning-light); color: var(--warning); }
.badge-expired   { background: #F3F4F6; color: var(--text-muted); }
.badge-terminated{ background: var(--danger-light); color: var(--danger); }
.badge-archived  { background: #F3F4F6; color: var(--text-muted); }
.badge-pending   { background: var(--warning-light); color: var(--warning); }
.badge-paid      { background: var(--success-light); color: var(--success); }
.badge-overdue   { background: var(--danger-light); color: var(--danger); }
.badge-disputed  { background: var(--danger-light); color: var(--danger); }
.badge-written_off{ background: #F3F4F6; color: var(--text-muted); }
.badge-grow      { background: var(--accent-light); color: var(--accent); }
.badge-pure      { background: #F0FDF4; color: #15803D; }
.badge-both      { background: #F5F3FF; color: #7C3AED; }

/* ── Buttons ─────────────────────────────────────────── */
.btn {
    display: inline-flex;
    align-items: center;
    gap: .4rem;
    padding: .5rem 1rem;
    border-radius: var(--radius-sm);
    font-size: .875rem;
    font-weight: 500;
    cursor: pointer;
    border: 1px solid transparent;
    transition: background .15s, border-color .15s, color .15s, box-shadow .15s;
    white-space: nowrap;
    text-decoration: none;
}
.btn:hover { text-decoration: none; }
.btn:focus-visible { outline: 2px solid var(--border-focus); outline-offset: 2px; }

.btn-primary   { background: var(--accent); color: #fff; }
.btn-primary:hover { background: var(--accent-hover); }

.btn-secondary { background: var(--bg-card); color: var(--text-primary); border-color: var(--border); }
.btn-secondary:hover { background: var(--bg-page); }

.btn-success { background: var(--success); color: #fff; }
.btn-success:hover { background: #15803D; }

.btn-danger  { background: var(--danger); color: #fff; }
.btn-danger:hover { background: #B91C1C; }

.btn-ghost   { background: transparent; color: var(--text-secondary); border-color: transparent; }
.btn-ghost:hover { background: var(--bg-page); }

.btn-sm { padding: .3rem .7rem; font-size: .8rem; }
.btn-xs { padding: .2rem .5rem; font-size: .75rem; }

/* ── Forms ───────────────────────────────────────────── */
.form-group { margin-bottom: 1rem; }
.form-label {
    display: block;
    font-size: .8rem;
    font-weight: 600;
    color: var(--text-secondary);
    margin-bottom: .35rem;
}
.form-control {
    width: 100%;
    padding: .5rem .75rem;
    border: 1px solid var(--border);
    border-radius: var(--radius-sm);
    font-size: .875rem;
    font-family: var(--font);
    color: var(--text-primary);
    background: var(--bg-card);
    transition: border-color .15s, box-shadow .15s;
}
.form-control:focus {
    outline: none;
    border-color: var(--border-focus);
    box-shadow: 0 0 0 3px rgba(79,110,247,.12);
}
.form-control::placeholder { color: var(--text-muted); }
textarea.form-control { resize: vertical; min-height: 80px; }
select.form-control { cursor: pointer; }

.form-hint { font-size: .75rem; color: var(--text-muted); margin-top: .3rem; }
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 1rem; }
.form-row-3 { display: grid; grid-template-columns: 1fr 1fr 1fr; gap: 1rem; }

.form-check { display: flex; align-items: center; gap: .5rem; cursor: pointer; }
.form-check input[type=checkbox] { width: 16px; height: 16px; accent-color: var(--accent); }
.form-check label { font-size: .875rem; cursor: pointer; }

/* ── Alerts ──────────────────────────────────────────── */
.alert {
    padding: .75rem 1rem;
    border-radius: var(--radius-md);
    font-size: .875rem;
    display: flex;
    align-items: flex-start;
    gap: .6rem;
}
.alert-danger  { background: var(--danger-light); color: var(--danger); border: 1px solid #FECACA; }
.alert-warning { background: var(--warning-light); color: var(--warning); border: 1px solid #FDE68A; }
.alert-success { background: var(--success-light); color: var(--success); border: 1px solid #BBF7D0; }
.alert-info    { background: var(--info-light); color: var(--info); border: 1px solid #BAE6FD; }

/* ── Tabs ────────────────────────────────────────────── */
.tabs { display: flex; gap: 0; border-bottom: 2px solid var(--border); margin-bottom: 1.25rem; }
.tab-btn {
    padding: .6rem 1.1rem;
    font-size: .875rem;
    font-weight: 500;
    color: var(--text-muted);
    background: none;
    border: none;
    border-bottom: 2px solid transparent;
    margin-bottom: -2px;
    cursor: pointer;
    transition: color .15s, border-color .15s;
}
.tab-btn:hover { color: var(--text-primary); }
.tab-btn.active { color: var(--accent); border-bottom-color: var(--accent); font-weight: 600; }
.tab-panel { display: none; }
.tab-panel.active { display: block; }

/* ── Company toggle chips ────────────────────────────── */
.company-tabs {
    display: flex;
    gap: .5rem;
    margin-bottom: 1.25rem;
    flex-wrap: wrap;
}
.company-tab {
    padding: .4rem 1rem;
    border-radius: 999px;
    font-size: .8rem;
    font-weight: 600;
    cursor: pointer;
    border: 1.5px solid var(--border);
    background: var(--bg-card);
    color: var(--text-muted);
    transition: all .15s;
}
.company-tab:hover { border-color: var(--accent); color: var(--accent); }
.company-tab.active { background: var(--accent); border-color: var(--accent); color: #fff; }

/* ── Filter bar ──────────────────────────────────────── */
.filter-bar {
    display: flex;
    align-items: center;
    gap: .75rem;
    flex-wrap: wrap;
    margin-bottom: 1rem;
}
.filter-bar .form-control { width: auto; min-width: 150px; }
.search-input { min-width: 220px; }

/* Toggle chip */
.toggle-chip {
    display: inline-flex;
    align-items: center;
    gap: .4rem;
    padding: .35rem .75rem;
    border-radius: 999px;
    font-size: .78rem;
    font-weight: 600;
    cursor: pointer;
    border: 1.5px solid var(--border);
    background: var(--bg-card);
    color: var(--text-muted);
    transition: all .15s;
    user-select: none;
}
.toggle-chip.on { background: var(--accent-light); border-color: var(--accent); color: var(--accent); }

/* ── Modal ───────────────────────────────────────────── */
.modal-backdrop {
    display: none;
    position: fixed;
    inset: 0;
    background: rgba(0,0,0,.45);
    z-index: 900;
    align-items: center;
    justify-content: center;
    padding: 1rem;
}
.modal-backdrop.open { display: flex; }
.modal {
    background: var(--bg-card);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-lg);
    width: 100%;
    max-width: 600px;
    max-height: 90vh;
    display: flex;
    flex-direction: column;
    overflow: hidden;
}
.modal-lg { max-width: 780px; }
.modal-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 1rem 1.25rem;
    border-bottom: 1px solid var(--border);
}
.modal-header h3 { font-size: 1rem; font-weight: 600; }
.modal-close {
    background: none;
    border: none;
    cursor: pointer;
    color: var(--text-muted);
    padding: .25rem;
    border-radius: var(--radius-sm);
    transition: color .15s, background .15s;
}
.modal-close:hover { color: var(--text-primary); background: var(--bg-page); }
.modal-body { padding: 1.25rem; overflow-y: auto; flex: 1; }
.modal-footer {
    padding: .75rem 1.25rem;
    border-top: 1px solid var(--border);
    display: flex;
    justify-content: flex-end;
    gap: .5rem;
}

/* ── Detail sections ─────────────────────────────────── */
.detail-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
    gap: 1rem;
}
.detail-item .detail-label {
    font-size: .7rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: .06em;
    color: var(--text-muted);
    margin-bottom: .2rem;
}
.detail-item .detail-value {
    font-size: .875rem;
    color: var(--text-primary);
    word-break: break-word;
}

/* Collapsible */
.collapsible-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    cursor: pointer;
    user-select: none;
    padding: .75rem 0;
    border-bottom: 1px solid var(--border);
    margin-bottom: .75rem;
}
.collapsible-header h3 { font-size: .95rem; font-weight: 600; }
.collapsible-body { display: none; }
.collapsible-body.open { display: block; }

/* ── Notification banner ─────────────────────────────── */
.notif-banner {
    background: var(--warning-light);
    border: 1px solid #FDE68A;
    border-radius: var(--radius-md);
    padding: .75rem 1rem;
    margin-bottom: 1.25rem;
    font-size: .875rem;
    color: var(--warning);
}
.notif-banner ul { margin: .4rem 0 0 1.2rem; }

/* ── Chart container ─────────────────────────────────── */
.chart-wrap { position: relative; height: 260px; }

/* ── Empty state ─────────────────────────────────────── */
.empty-state {
    text-align: center;
    padding: 3rem 1rem;
    color: var(--text-muted);
}
.empty-state svg { margin: 0 auto .75rem; opacity: .35; }
.empty-state p { font-size: .875rem; }

/* ── Utility ─────────────────────────────────────────── */
.text-muted  { color: var(--text-muted); }
.text-right  { text-align: right; }
.text-center { text-align: center; }
.fw-600      { font-weight: 600; }
.fw-700      { font-weight: 700; }
.mt-1 { margin-top: .5rem; }
.mt-2 { margin-top: 1rem; }
.mt-3 { margin-top: 1.5rem; }
.mb-1 { margin-bottom: .5rem; }
.mb-2 { margin-bottom: 1rem; }
.mb-3 { margin-bottom: 1.5rem; }
.gap-1 { gap: .5rem; }
.d-flex { display: flex; }
.align-center { align-items: center; }
.justify-between { justify-content: space-between; }
.flex-wrap { flex-wrap: wrap; }
.w-100 { width: 100%; }

/* ── Projected fee preview (tiered SOW form) ─────────── */
.tiered-preview {
    background: var(--accent-light);
    border: 1px solid var(--accent);
    border-radius: var(--radius-sm);
    padding: .6rem .9rem;
    font-size: .875rem;
    font-weight: 600;
    color: var(--accent);
    margin-top: .5rem;
}

/* ── Divider ─────────────────────────────────────────── */
hr.divider { border: none; border-top: 1px solid var(--border); margin: 1.25rem 0; }

/* ── Responsive ──────────────────────────────────────── */
@media (max-width: 768px) {
    .sidebar { width: 0; overflow: hidden; }
    .main-content { margin-left: 0; }
    .form-row, .form-row-3 { grid-template-columns: 1fr; }
    .stat-grid { grid-template-columns: 1fr 1fr; }
}

/* ── Toast notifications ─────────────────────────────── */
#toast-container {
    position: fixed;
    bottom: 1.5rem;
    right: 1.5rem;
    z-index: 999;
    display: flex;
    flex-direction: column;
    gap: .5rem;
}
.toast {
    background: #1C1F2E;
    color: #fff;
    padding: .75rem 1.1rem;
    border-radius: var(--radius-md);
    font-size: .875rem;
    box-shadow: var(--shadow-lg);
    animation: slideIn .2s ease;
    max-width: 320px;
}
.toast.success { border-left: 3px solid var(--success); }
.toast.error   { border-left: 3px solid var(--danger); }
@keyframes slideIn {
    from { transform: translateX(100%); opacity: 0; }
    to   { transform: translateX(0);   opacity: 1; }
}