/* ============================================================
   FlowSync CRM - Main Stylesheet
   Design: Deep Navy Industrial CRM
   Font: Plus Jakarta Sans
   ============================================================ */

@import url('https://fonts.googleapis.com/css2?family=Plus+Jakarta+Sans:wght@300;400;500;600;700;800&family=JetBrains+Mono:wght@400;500&display=swap');

/* ── CSS Variables ─────────────────────────────────────────── */
:root,
[data-theme="dark"] {
  --bg-base:       #0a1428;
  --bg-surface:    #0f1d3a;
  --bg-card:       #122347;
  --bg-input:      #16284f;
  --bg-hover:      #1c3461;

  --border:        #1f3a6b;
  --border-light:  #16284f;

  --text-primary:  #ffffff;
  --text-secondary:#b8c5e0;
  --text-muted:    #8094c4;

  --accent:        #3b82f6;
  --accent-hover:  #2563eb;
  --accent-glow:   rgba(59, 130, 246, 0.18);

  --success:       #10b981;
  --warning:       #f59e0b;
  --danger:        #ef4444;
  --info:          #38bdf8;

  --sidebar-w:     240px;
  --sidebar-w-col: 64px;
  --topbar-h:      60px;

  --shadow-sm:     0 1px 3px rgba(0,0,0,0.4);
  --shadow-md:     0 4px 16px rgba(0,0,0,0.4);
  --shadow-lg:     0 8px 32px rgba(0,0,0,0.5);
}

[data-theme="light"] {
  --bg-base:       #f0f4f8;
  --bg-surface:    #ffffff;
  --bg-card:       #ffffff;
  --bg-input:      #f8fafc;
  --bg-hover:      #f1f5f9;

  --border:        #e2e8f0;
  --border-light:  #f1f5f9;

  --text-primary:  #1e293b;
  --text-secondary:#64748b;
  --text-muted:    #94a3b8;

  --accent:        #2563eb;
  --accent-hover:  #1d4ed8;
  --accent-glow:   rgba(37, 99, 235, 0.1);

  --success:       #059669;
  --warning:       #d97706;
  --danger:        #dc2626;
  --info:          #0284c7;

  --shadow-sm:     0 1px 3px rgba(0,0,0,0.08);
  --shadow-md:     0 4px 16px rgba(0,0,0,0.08);
  --shadow-lg:     0 8px 32px rgba(0,0,0,0.12);
}

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

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: 'Plus Jakarta Sans', sans-serif;
  font-size: 14px;
  background: var(--bg-base);
  color: var(--text-primary);
  line-height: 1.5;
  overflow-x: hidden;
  transition: background 0.25s, color 0.25s;
}

/* ── Scrollbar ─────────────────────────────────────────────── */
::-webkit-scrollbar { width: 5px; height: 5px; }
::-webkit-scrollbar-track { background: transparent; }
::-webkit-scrollbar-thumb { background: var(--border); border-radius: 99px; }

/* ── Sidebar ───────────────────────────────────────────────── */
.fs-sidebar {
  position: fixed;
  top: 0;
  left: 0;
  bottom: 0;
  width: var(--sidebar-w);
  background: var(--bg-surface);
  border-right: 1px solid var(--border);
  display: flex;
  flex-direction: column;
  z-index: 100;
  transition: width 0.25s cubic-bezier(.4,0,.2,1), transform 0.25s;
  overflow: hidden;
}

.fs-sidebar.collapsed {
  width: var(--sidebar-w-col);
}

.fs-sidebar.collapsed .nav-label,
.fs-sidebar.collapsed .brand-text,
.fs-sidebar.collapsed .user-meta {
  opacity: 0;
  width: 0;
  pointer-events: none;
}

.fs-sidebar.collapsed .brand { justify-content: center; }
.fs-sidebar.collapsed .sidebar-toggle-btn { display: none; }
.fs-sidebar.collapsed .user-info { justify-content: center; }

/* Sidebar Header */
.sidebar-header {
  height: var(--topbar-h);
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 16px;
  border-bottom: 1px solid var(--border);
  flex-shrink: 0;
}

.brand {
  display: flex;
  align-items: center;
  gap: 10px;
}

.brand-icon {
  width: 32px; height: 32px;
  background: var(--accent);
  border-radius: 8px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: white;
  font-size: 16px;
  flex-shrink: 0;
}

.brand-text {
  display: flex;
  flex-direction: column;
  line-height: 1.1;
  overflow: hidden;
  transition: opacity 0.2s, width 0.2s;
  white-space: nowrap;
}

.brand-name {
  font-size: 15px;
  font-weight: 800;
  color: var(--text-primary);
  letter-spacing: -0.3px;
}

.brand-sub {
  font-size: 10px;
  font-weight: 600;
  color: var(--accent);
  letter-spacing: 1px;
  text-transform: uppercase;
}

.sidebar-toggle-btn {
  background: none;
  border: none;
  color: var(--text-secondary);
  cursor: pointer;
  padding: 4px;
  border-radius: 4px;
  font-size: 16px;
  transition: color 0.15s;
}

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

/* Sidebar Nav */
.sidebar-nav {
  flex: 1;
  overflow-y: auto;
  padding: 12px 10px;
  display: flex;
  flex-direction: column;
  gap: 2px;
}

.sidebar-nav .nav-link {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 9px 10px;
  border-radius: 8px;
  color: var(--text-secondary);
  text-decoration: none;
  font-size: 13.5px;
  font-weight: 500;
  white-space: nowrap;
  transition: background 0.15s, color 0.15s;
  position: relative;
}

.sidebar-nav .nav-link i {
  font-size: 16px;
  flex-shrink: 0;
  width: 20px;
  text-align: center;
}

.sidebar-nav .nav-link:hover {
  background: var(--bg-hover);
  color: var(--text-primary);
}

.sidebar-nav .nav-link.active {
  background: var(--accent-glow);
  color: var(--accent);
  font-weight: 600;
}

.sidebar-nav .nav-link.active::before {
  content: '';
  position: absolute;
  left: 0;
  top: 50%;
  transform: translateY(-50%);
  width: 3px;
  height: 60%;
  background: var(--accent);
  border-radius: 0 3px 3px 0;
}

.nav-label {
  transition: opacity 0.2s;
  overflow: hidden;
}

/* Sidebar Footer */
.sidebar-footer {
  padding: 12px;
  border-top: 1px solid var(--border);
  flex-shrink: 0;
}

.user-info {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 6px 4px;
}

.user-avatar {
  width: 34px; height: 34px;
  background: var(--accent);
  border-radius: 8px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: white;
  font-size: 14px;
  font-weight: 700;
  flex-shrink: 0;
}

.user-meta {
  display: flex;
  flex-direction: column;
  overflow: hidden;
  transition: opacity 0.2s, width 0.2s;
  white-space: nowrap;
}

.user-name {
  font-size: 13px;
  font-weight: 600;
  color: var(--text-primary);
}

/* ── Topbar ────────────────────────────────────────────────── */
.fs-topbar {
  position: fixed;
  top: 0;
  left: var(--sidebar-w);
  right: 0;
  height: var(--topbar-h);
  background: var(--bg-surface);
  border-bottom: 1px solid var(--border);
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 20px;
  z-index: 90;
  transition: left 0.25s;
}

.fs-sidebar.collapsed ~ .fs-topbar { left: var(--sidebar-w-col); }

.topbar-left {
  display: flex;
  align-items: center;
  gap: 12px;
}

.page-title {
  font-size: 15px;
  font-weight: 700;
  color: var(--text-primary);
}

.mobile-menu-btn {
  display: none;
  background: none;
  border: none;
  color: var(--text-secondary);
  font-size: 20px;
  cursor: pointer;
  padding: 4px;
}

.topbar-right {
  display: flex;
  align-items: center;
  gap: 8px;
}

.icon-btn {
  width: 36px; height: 36px;
  background: none;
  border: none;
  color: var(--text-secondary);
  border-radius: 8px;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 16px;
  transition: background 0.15s, color 0.15s;
}

.icon-btn:hover {
  background: var(--bg-hover);
  color: var(--text-primary);
}

.user-dropdown {
  position: relative;
  cursor: pointer;
}

.user-avatar-sm {
  width: 34px; height: 34px;
  background: var(--accent);
  border-radius: 8px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: white;
  font-size: 13px;
  font-weight: 700;
}

.dropdown-menu-fs {
  position: absolute;
  right: 0;
  top: calc(100% + 8px);
  width: 200px;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 10px;
  box-shadow: var(--shadow-md);
  z-index: 200;
  overflow: hidden;
}

.dropdown-header {
  padding: 12px 14px;
  display: flex;
  flex-direction: column;
  gap: 2px;
}

.dropdown-header strong { font-size: 13px; color: var(--text-primary); }
.dropdown-header small  { font-size: 11px; color: var(--text-secondary); text-transform: uppercase; letter-spacing: 0.5px; }

.dropdown-divider { height: 1px; background: var(--border); }

.dropdown-item-fs {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 10px 14px;
  color: var(--text-primary);
  text-decoration: none;
  font-size: 13px;
  transition: background 0.15s;
}

.dropdown-item-fs:hover { background: var(--bg-hover); }
.dropdown-item-fs.text-danger { color: var(--danger) !important; }

/* ── Main Content ──────────────────────────────────────────── */
.fs-main-content {
  margin-left: var(--sidebar-w);
  padding-top: var(--topbar-h);
  min-height: 100vh;
  transition: margin-left 0.25s;
}

.fs-sidebar.collapsed ~ * .fs-main-content,
.fs-sidebar.collapsed + .fs-topbar + .fs-main-content {
  margin-left: var(--sidebar-w-col);
}

#app { margin-left: var(--sidebar-w); padding-top: var(--topbar-h); min-height: 100vh; transition: margin-left 0.25s; }
.fs-sidebar.collapsed ~ #app { margin-left: var(--sidebar-w-col); }

.page-content {
  padding: 24px;
  max-width: 1600px;
}

/* ── Cards ─────────────────────────────────────────────────── */
.fs-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 12px;
  overflow: hidden;
}

.fs-card-header {
  padding: 16px 20px;
  border-bottom: 1px solid var(--border);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
}

.fs-card-title {
  font-size: 14px;
  font-weight: 700;
  color: var(--text-primary);
  display: flex;
  align-items: center;
  gap: 8px;
}

.fs-card-body { padding: 20px; }

/* ── Stat Cards ────────────────────────────────────────────── */
.stat-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 20px;
  display: flex;
  flex-direction: column;
  gap: 8px;
  position: relative;
  overflow: hidden;
  transition: transform 0.15s, box-shadow 0.15s;
}

.stat-card:hover { transform: translateY(-1px); box-shadow: var(--shadow-md); }

.stat-card::after {
  content: '';
  position: absolute;
  top: 0; right: 0;
  width: 3px;
  height: 100%;
  border-radius: 0 12px 12px 0;
}

.stat-card.blue::after   { background: var(--accent); }
.stat-card.green::after  { background: var(--success); }
.stat-card.amber::after  { background: var(--warning); }
.stat-card.red::after    { background: var(--danger); }
.stat-card.purple::after { background: #8b5cf6; }
.stat-card.teal::after   { background: #14b8a6; }

.stat-icon {
  width: 40px; height: 40px;
  border-radius: 10px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 18px;
  margin-bottom: 4px;
}

.stat-icon.blue   { background: rgba(37,99,235,0.12); color: var(--accent); }
.stat-icon.green  { background: rgba(16,185,129,0.12); color: var(--success); }
.stat-icon.amber  { background: rgba(245,158,11,0.12); color: var(--warning); }
.stat-icon.red    { background: rgba(239,68,68,0.12); color: var(--danger); }
.stat-icon.purple { background: rgba(139,92,246,0.12); color: #8b5cf6; }
.stat-icon.teal   { background: rgba(20,184,166,0.12); color: #14b8a6; }

.stat-value {
  font-size: 28px;
  font-weight: 800;
  color: var(--text-primary);
  line-height: 1;
  font-family: 'JetBrains Mono', monospace;
}

.stat-label {
  font-size: 12px;
  font-weight: 500;
  color: var(--text-secondary);
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

/* ── Tables ────────────────────────────────────────────────── */
.fs-table-wrapper {
  overflow-x: auto;
}

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

.fs-table thead th {
  background: var(--bg-surface);
  color: var(--text-secondary);
  font-size: 11px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  padding: 10px 14px;
  border-bottom: 1px solid var(--border);
  white-space: nowrap;
}

.fs-table tbody tr {
  border-bottom: 1px solid var(--border-light);
  transition: background 0.1s;
}

.fs-table tbody tr:hover { background: var(--bg-hover); }

.fs-table tbody td {
  padding: 11px 14px;
  color: var(--text-primary);
  vertical-align: middle;
}

.fs-table tbody td .text-secondary { color: var(--text-secondary); font-size: 12px; }

/* ── Status Badges ─────────────────────────────────────────── */
.status-badge {
  display: inline-flex;
  align-items: center;
  padding: 3px 9px;
  border-radius: 20px;
  font-size: 11px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.3px;
  white-space: nowrap;
}

.badge-new         { background: rgba(37,99,235,0.15); color: #60a5fa; }
.badge-hot         { background: rgba(239,68,68,0.15); color: #f87171; }
.badge-warm        { background: rgba(245,158,11,0.15); color: #fbbf24; }
.badge-cold        { background: rgba(56,189,248,0.15); color: #38bdf8; }
.badge-interested  { background: rgba(16,185,129,0.15); color: #34d399; }
.badge-not-interested { background: rgba(107,114,128,0.15); color: #9ca3af; }
.badge-converted   { background: rgba(16,185,129,0.2); color: #10b981; border: 1px solid rgba(16,185,129,0.3); }
.badge-closed      { background: rgba(107,114,128,0.15); color: #6b7280; }
.badge-pending     { background: rgba(245,158,11,0.15); color: #f59e0b; }
.badge-approved    { background: rgba(16,185,129,0.15); color: #10b981; }
.badge-rejected    { background: rgba(239,68,68,0.15); color: #ef4444; }
.badge-present     { background: rgba(16,185,129,0.15); color: #10b981; }
.badge-absent      { background: rgba(239,68,68,0.15); color: #ef4444; }
.badge-halfday     { background: rgba(245,158,11,0.15); color: #f59e0b; }
.badge-late        { background: rgba(139,92,246,0.15); color: #8b5cf6; }
.badge-default     { background: var(--bg-hover); color: var(--text-secondary); }

/* ── Role Chips ────────────────────────────────────────────── */
.role-chip {
  display: inline-flex;
  padding: 2px 7px;
  border-radius: 4px;
  font-size: 10px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.role-admin { background: rgba(239,68,68,0.15); color: #f87171; }
.role-lead  { background: rgba(139,92,246,0.15); color: #a78bfa; }
.role-exec  { background: rgba(37,99,235,0.15); color: #60a5fa; }

/* ── Buttons ───────────────────────────────────────────────── */
.btn-fs-primary {
  background: var(--accent);
  color: white;
  border: none;
  padding: 8px 16px;
  border-radius: 8px;
  font-size: 13px;
  font-weight: 600;
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  gap: 6px;
  transition: background 0.15s, transform 0.1s;
  font-family: 'Plus Jakarta Sans', sans-serif;
}

.btn-fs-primary:hover { background: var(--accent-hover); transform: translateY(-1px); }
.btn-fs-primary:active { transform: translateY(0); }

.btn-fs-ghost {
  background: transparent;
  color: var(--text-secondary);
  border: 1px solid var(--border);
  padding: 7px 14px;
  border-radius: 8px;
  font-size: 13px;
  font-weight: 500;
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  gap: 6px;
  transition: all 0.15s;
  font-family: 'Plus Jakarta Sans', sans-serif;
}

.btn-fs-ghost:hover { background: var(--bg-hover); color: var(--text-primary); border-color: var(--text-muted); }

.btn-icon-sm {
  width: 30px; height: 30px;
  background: none;
  border: 1px solid var(--border);
  border-radius: 6px;
  color: var(--text-secondary);
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-size: 13px;
  transition: all 0.15s;
}

.btn-icon-sm:hover { background: var(--bg-hover); color: var(--text-primary); }
.btn-icon-sm.danger:hover { background: rgba(239,68,68,0.1); color: var(--danger); border-color: var(--danger); }
.btn-icon-sm.success:hover { background: rgba(16,185,129,0.1); color: var(--success); border-color: var(--success); }

/* ── Forms ─────────────────────────────────────────────────── */
.fs-input, .fs-select, .fs-textarea {
  background: var(--bg-input);
  border: 1px solid var(--border);
  color: var(--text-primary);
  border-radius: 8px;
  padding: 8px 12px;
  font-size: 13px;
  font-family: 'Plus Jakarta Sans', sans-serif;
  width: 100%;
  outline: none;
  transition: border-color 0.15s, box-shadow 0.15s;
}

.fs-input:focus, .fs-select:focus, .fs-textarea:focus {
  border-color: var(--accent);
  box-shadow: 0 0 0 3px var(--accent-glow);
}

.fs-input::placeholder, .fs-textarea::placeholder { color: var(--text-muted); }
.fs-select option { background: var(--bg-card); color: var(--text-primary); }
.fs-textarea { resize: vertical; min-height: 80px; }

.form-group { margin-bottom: 14px; }
.form-label { display: block; font-size: 12px; font-weight: 600; color: var(--text-secondary); margin-bottom: 5px; text-transform: uppercase; letter-spacing: 0.4px; }

/* ── Modals ────────────────────────────────────────────────── */
.fs-modal-overlay {
  position: fixed;
  inset: 0;
  background: rgba(0,0,0,0.7);
  backdrop-filter: blur(4px);
  z-index: 500;
  display: none;
  align-items: center;
  justify-content: center;
  padding: 20px;
  opacity: 0;
  transition: opacity 0.2s;
}

.fs-modal-overlay.show { opacity: 1; }

.fs-modal {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 14px;
  width: 100%;
  max-width: 520px;
  max-height: 90vh;
  overflow-y: auto;
  transform: translateY(20px) scale(0.97);
  transition: transform 0.2s;
  box-shadow: var(--shadow-lg);
}

.fs-modal-overlay.show .fs-modal { transform: translateY(0) scale(1); }
.fs-modal.modal-lg { max-width: 780px; }
.fs-modal.modal-xl { max-width: 1000px; }

.fs-modal-header {
  padding: 18px 20px;
  border-bottom: 1px solid var(--border);
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.fs-modal-title {
  font-size: 15px;
  font-weight: 700;
  color: var(--text-primary);
  display: flex;
  align-items: center;
  gap: 8px;
}

.fs-modal-close {
  width: 30px; height: 30px;
  background: none;
  border: none;
  color: var(--text-secondary);
  cursor: pointer;
  border-radius: 6px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 16px;
  transition: all 0.15s;
}

.fs-modal-close:hover { background: var(--bg-hover); color: var(--text-primary); }

.fs-modal-body { padding: 20px; }
.fs-modal-footer { padding: 16px 20px; border-top: 1px solid var(--border); display: flex; justify-content: flex-end; gap: 10px; }

/* ── Toast ─────────────────────────────────────────────────── */
.toast-container {
  position: fixed;
  bottom: 24px;
  right: 24px;
  z-index: 9999;
  display: flex;
  flex-direction: column;
  gap: 8px;
  pointer-events: none;
}

.fs-toast {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 12px 16px;
  border-radius: 10px;
  font-size: 13px;
  font-weight: 500;
  min-width: 260px;
  box-shadow: var(--shadow-md);
  transform: translateX(100px);
  opacity: 0;
  transition: transform 0.3s, opacity 0.3s;
  pointer-events: all;
}

.fs-toast.show { transform: translateX(0); opacity: 1; }
.fs-toast-success { background: #065f46; border: 1px solid #10b981; color: #d1fae5; }
.fs-toast-error   { background: #7f1d1d; border: 1px solid #ef4444; color: #fee2e2; }
.fs-toast-info    { background: #0c4a6e; border: 1px solid #38bdf8; color: #e0f2fe; }

/* ── Confirm Dialog ────────────────────────────────────────── */
.fs-confirm-overlay {
  position: fixed;
  inset: 0;
  background: rgba(0,0,0,0.7);
  backdrop-filter: blur(4px);
  z-index: 1000;
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  transition: opacity 0.2s;
}

.fs-confirm-overlay.show { opacity: 1; }

.fs-confirm-box {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 14px;
  padding: 28px;
  max-width: 360px;
  width: 90%;
  text-align: center;
  box-shadow: var(--shadow-lg);
}

.fs-confirm-icon { font-size: 40px; color: var(--warning); margin-bottom: 12px; }
.fs-confirm-box p { color: var(--text-primary); font-size: 14px; margin-bottom: 20px; }
.fs-confirm-actions { display: flex; gap: 10px; justify-content: center; }

/* ── Filters Bar ───────────────────────────────────────────── */
.filter-bar {
  display: flex;
  gap: 10px;
  flex-wrap: wrap;
  align-items: flex-end;
}

.filter-bar .fs-input,
.filter-bar .fs-select {
  max-width: 180px;
}

/* ── Pagination ────────────────────────────────────────────── */
.fs-pagination {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 14px 20px;
  border-top: 1px solid var(--border);
  font-size: 13px;
  color: var(--text-secondary);
}

.pagination-controls {
  display: flex;
  gap: 6px;
}

.page-btn {
  width: 32px; height: 32px;
  background: none;
  border: 1px solid var(--border);
  border-radius: 6px;
  color: var(--text-secondary);
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 13px;
  transition: all 0.15s;
}

.page-btn:hover:not(:disabled) { background: var(--bg-hover); color: var(--text-primary); }
.page-btn.active { background: var(--accent); color: white; border-color: var(--accent); }
.page-btn:disabled { opacity: 0.4; cursor: not-allowed; }

/* ── Empty State ───────────────────────────────────────────── */
.empty-state {
  text-align: center;
  padding: 60px 20px;
  color: var(--text-muted);
}

.empty-state i { font-size: 48px; margin-bottom: 12px; opacity: 0.4; }
.empty-state h3 { font-size: 16px; font-weight: 600; color: var(--text-secondary); margin-bottom: 6px; }
.empty-state p { font-size: 13px; }

/* ── Loading ───────────────────────────────────────────────── */
.fs-spinner {
  display: inline-block;
  width: 18px; height: 18px;
  border: 2px solid var(--border);
  border-top-color: var(--accent);
  border-radius: 50%;
  animation: spin 0.7s linear infinite;
}

@keyframes spin { to { transform: rotate(360deg); } }

.loading-overlay {
  position: absolute;
  inset: 0;
  background: rgba(0,0,0,0.3);
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: inherit;
  z-index: 10;
}

/* ── Grid ──────────────────────────────────────────────────── */
.grid-2 { display: grid; grid-template-columns: repeat(2, 1fr); gap: 16px; }
.grid-3 { display: grid; grid-template-columns: repeat(3, 1fr); gap: 16px; }
.grid-4 { display: grid; grid-template-columns: repeat(4, 1fr); gap: 16px; }
.grid-5 { display: grid; grid-template-columns: repeat(5, 1fr); gap: 16px; }

/* ── Timeline ──────────────────────────────────────────────── */
.timeline { list-style: none; padding: 0; margin: 0; position: relative; }
.timeline::before { content: ''; position: absolute; left: 20px; top: 8px; bottom: 8px; width: 2px; background: var(--border); }

.timeline-item {
  display: flex;
  gap: 16px;
  margin-bottom: 20px;
  position: relative;
}

.timeline-dot {
  width: 40px; height: 40px;
  border-radius: 50%;
  background: var(--bg-card);
  border: 2px solid var(--border);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  font-size: 14px;
  z-index: 1;
}

.timeline-content {
  flex: 1;
  background: var(--bg-surface);
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 12px 16px;
}

.timeline-time { font-size: 11px; color: var(--text-muted); margin-top: 4px; }

/* ── Chat Bubbles ──────────────────────────────────────────── */
.chat-container { display: flex; flex-direction: column; gap: 12px; }

.chat-bubble {
  max-width: 70%;
  padding: 10px 14px;
  border-radius: 12px;
  font-size: 13px;
  line-height: 1.5;
}

.chat-bubble.sent {
  align-self: flex-end;
  background: var(--accent);
  color: white;
  border-bottom-right-radius: 4px;
}

.chat-bubble.received {
  align-self: flex-start;
  background: var(--bg-surface);
  border: 1px solid var(--border);
  color: var(--text-primary);
  border-bottom-left-radius: 4px;
}

.chat-time { font-size: 11px; opacity: 0.7; margin-top: 4px; text-align: right; }

/* ── Progress ──────────────────────────────────────────────── */
.fs-progress {
  height: 6px;
  background: var(--bg-hover);
  border-radius: 3px;
  overflow: hidden;
}

.fs-progress-bar {
  height: 100%;
  border-radius: 3px;
  background: var(--accent);
  transition: width 0.5s ease;
}

/* ── Toggle Switch ─────────────────────────────────────────── */
.fs-switch {
  position: relative;
  display: inline-block;
  width: 36px;
  height: 20px;
}

.fs-switch input { opacity: 0; width: 0; height: 0; }

.fs-switch-slider {
  position: absolute;
  cursor: pointer;
  inset: 0;
  background: var(--border);
  border-radius: 20px;
  transition: 0.2s;
}

.fs-switch-slider::before {
  content: '';
  position: absolute;
  width: 14px; height: 14px;
  left: 3px; top: 3px;
  background: white;
  border-radius: 50%;
  transition: 0.2s;
}

.fs-switch input:checked + .fs-switch-slider { background: var(--accent); }
.fs-switch input:checked + .fs-switch-slider::before { transform: translateX(16px); }

/* ── Tabs ──────────────────────────────────────────────────── */
.fs-tabs {
  display: flex;
  border-bottom: 1px solid var(--border);
  gap: 0;
  margin-bottom: 20px;
}

.fs-tab {
  padding: 10px 18px;
  background: none;
  border: none;
  border-bottom: 2px solid transparent;
  margin-bottom: -1px;
  color: var(--text-secondary);
  cursor: pointer;
  font-size: 13px;
  font-weight: 500;
  font-family: 'Plus Jakarta Sans', sans-serif;
  display: flex;
  align-items: center;
  gap: 6px;
  transition: color 0.15s, border-color 0.15s;
}

.fs-tab:hover { color: var(--text-primary); }
.fs-tab.active { color: var(--accent); border-bottom-color: var(--accent); font-weight: 600; }

/* ── Section Header ────────────────────────────────────────── */
.section-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 16px;
  gap: 12px;
  flex-wrap: wrap;
}

.section-title {
  font-size: 16px;
  font-weight: 700;
  color: var(--text-primary);
  display: flex;
  align-items: center;
  gap: 8px;
}

/* ── Info Row ──────────────────────────────────────────────── */
.info-row { display: flex; gap: 8px; align-items: flex-start; margin-bottom: 8px; }
.info-label { font-size: 12px; font-weight: 600; color: var(--text-secondary); text-transform: uppercase; letter-spacing: 0.4px; min-width: 120px; padding-top: 2px; }
.info-value { font-size: 13px; color: var(--text-primary); flex: 1; }

/* ── Responsive ────────────────────────────────────────────── */
@media (max-width: 992px) {
  .grid-4, .grid-5 { grid-template-columns: repeat(2, 1fr); }
  .grid-3 { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 768px) {
  .fs-sidebar {
    width: var(--sidebar-w);
    transform: translateX(-100%);
  }

  .fs-sidebar.open { transform: translateX(0); box-shadow: var(--shadow-lg); }

  .sidebar-overlay {
    position: fixed;
    inset: 0;
    background: rgba(0,0,0,0.5);
    z-index: 99;
    display: none;
  }

  .sidebar-overlay.visible { display: block; }

  .fs-topbar { left: 0 !important; }
  #app { margin-left: 0 !important; }
  .mobile-menu-btn { display: flex !important; }

  .grid-2, .grid-3, .grid-4, .grid-5 { grid-template-columns: 1fr; }

  .page-content { padding: 16px; }

  .filter-bar .fs-input,
  .filter-bar .fs-select { max-width: 100%; }
}

/* ── Login Page ────────────────────────────────────────────── */
.login-page {
  min-height: 100vh;
  background: var(--bg-base);
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 20px;
  position: relative;
  overflow: hidden;
}

.login-page::before {
  content: '';
  position: absolute;
  top: -200px;
  right: -200px;
  width: 600px;
  height: 600px;
  background: radial-gradient(circle, rgba(37,99,235,0.12) 0%, transparent 70%);
  pointer-events: none;
}

.login-page::after {
  content: '';
  position: absolute;
  bottom: -200px;
  left: -200px;
  width: 500px;
  height: 500px;
  background: radial-gradient(circle, rgba(16,185,129,0.08) 0%, transparent 70%);
  pointer-events: none;
}

.login-card {
  width: 100%;
  max-width: 420px;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 18px;
  padding: 40px;
  box-shadow: var(--shadow-lg);
  position: relative;
  z-index: 1;
}

.login-brand {
  text-align: center;
  margin-bottom: 32px;
}

.login-brand-icon {
  width: 56px; height: 56px;
  background: var(--accent);
  border-radius: 14px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: white;
  font-size: 26px;
  margin: 0 auto 14px;
}

.login-brand-name { font-size: 22px; font-weight: 800; color: var(--text-primary); }
.login-brand-sub { font-size: 13px; color: var(--text-secondary); margin-top: 4px; }

.login-title { font-size: 17px; font-weight: 700; color: var(--text-primary); margin-bottom: 20px; }
.login-error { background: rgba(239,68,68,0.1); border: 1px solid rgba(239,68,68,0.3); color: #f87171; border-radius: 8px; padding: 10px 14px; font-size: 13px; margin-bottom: 16px; display: none; }

/* ── Utility ───────────────────────────────────────────────── */
.text-accent   { color: var(--accent); }
.text-success  { color: var(--success); }
.text-warning  { color: var(--warning); }
.text-danger   { color: var(--danger); }
.text-muted    { color: var(--text-muted); }
.text-secondary{ color: var(--text-secondary); }

.fw-600 { font-weight: 600; }
.fw-700 { font-weight: 700; }
.fw-800 { font-weight: 800; }

.mono { font-family: 'JetBrains Mono', monospace; }

.gap-8  { gap: 8px; }
.gap-12 { gap: 12px; }

.d-flex { display: flex; }
.align-center { align-items: center; }

.mt-16 { margin-top: 16px; }
.mb-0  { margin-bottom: 0; }

.w-100 { width: 100%; }

.truncate { overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }

/* ── Chart Container ───────────────────────────────────────── */
.chart-wrap {
  position: relative;
  height: 240px;
  width: 100%;
}