/* JinnyFy Business Tools — Stylesheet */
:root {
  --bg: #f4f6f8;
  --surface: #ffffff;
  --surface-alt: #f8fafc;
  --navy: #0a0e1a;
  --navy-l: #141b2d;
  --text: #1e293b;
  --text-m: #475569;
  --text-l: #94a3b8;
  --em: #10b981;
  --em-d: #059669;
  --em-bg: #ecfdf5;
  --blue: #3b82f6;
  --blue-bg: #eff6ff;
  --yellow: #f59e0b;
  --yellow-bg: #fffbeb;
  --red: #ef4444;
  --red-bg: #fef2f2;
  --purple: #8b5cf6;
  --purple-bg: #f5f3ff;
  --bdr: #e2e8f0;
  --radius: 12px;
  --shadow: 0 1px 3px rgba(0,0,0,0.04), 0 4px 12px rgba(0,0,0,0.04);
  --sidebar-w: 260px;
}

* { margin: 0; padding: 0; box-sizing: border-box; }
body { font-family: 'DM Sans', system-ui, sans-serif; background: var(--bg); color: var(--text); line-height: 1.6; font-size: 14px; }

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

/* Sidebar */
.sidebar { width: var(--sidebar-w); background: var(--navy); color: #fff; display: flex; flex-direction: column; position: fixed; top: 0; left: 0; bottom: 0; z-index: 100; }
.sidebar-header { padding: 20px 20px 16px; border-bottom: 1px solid rgba(255,255,255,0.06); }
.logo { display: flex; align-items: center; gap: 10px; }
.logo-mark { width: 36px; height: 36px; background: linear-gradient(135deg, var(--em), var(--em-d)); border-radius: 10px; display: grid; place-items: center; font-family: Georgia, serif; font-size: 1.1rem; font-weight: 700; }
.logo-text { font-family: Georgia, serif; font-size: 1.4rem; font-weight: 700; }
.logo-sub { font-size: 0.72rem; color: var(--text-l); margin-top: 2px; display: block; }

.sidebar-nav { flex: 1; padding: 16px 12px; overflow-y: auto; }
.nav-item { display: flex; align-items: center; gap: 12px; padding: 10px 14px; color: rgba(255,255,255,0.6); text-decoration: none; border-radius: 8px; margin-bottom: 2px; transition: all 0.15s; font-size: 0.9rem; }
.nav-item:hover { background: rgba(255,255,255,0.05); color: #fff; }
.nav-item.active { background: rgba(16,185,129,0.15); color: var(--em); }
.nav-icon { font-size: 1rem; width: 22px; text-align: center; }
.nav-divider { height: 1px; background: rgba(255,255,255,0.06); margin: 16px 0; }
.nav-label { font-size: 0.68rem; text-transform: uppercase; letter-spacing: 1px; color: var(--text-l); padding: 8px 14px 6px; display: block; }

.sidebar-footer { padding: 16px; border-top: 1px solid rgba(255,255,255,0.06); }
.user-info { display: flex; align-items: center; gap: 12px; }
.user-avatar { width: 36px; height: 36px; background: var(--em); border-radius: 10px; display: grid; place-items: center; font-weight: 700; font-size: 0.9rem; }
.user-name { font-weight: 600; font-size: 0.88rem; }
.user-logout { font-size: 0.78rem; color: var(--text-l); text-decoration: none; }
.user-logout:hover { color: var(--red); }

/* Main Content */
.main-content { flex: 1; margin-left: var(--sidebar-w); }
.main-header { display: flex; justify-content: space-between; align-items: center; padding: 20px 32px; background: var(--surface); border-bottom: 1px solid var(--bdr); position: sticky; top: 0; z-index: 50; }
.page-title { font-size: 1.5rem; font-weight: 700; }
.header-actions { display: flex; gap: 12px; }
.content { padding: 24px 32px; }

/* Cards */
.card { background: var(--surface); border-radius: var(--radius); box-shadow: var(--shadow); margin-bottom: 20px; }
.card-header { padding: 16px 20px; border-bottom: 1px solid var(--bdr); display: flex; justify-content: space-between; align-items: center; }
.card-title { font-weight: 700; font-size: 1rem; }
.card-body { padding: 20px; }
.card-footer { padding: 12px 20px; border-top: 1px solid var(--bdr); background: var(--surface-alt); border-radius: 0 0 var(--radius) var(--radius); }

/* Stats Grid */
.stats-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(200px, 1fr)); gap: 16px; margin-bottom: 24px; }
.stat-card { background: var(--surface); border-radius: var(--radius); padding: 20px; box-shadow: var(--shadow); }
.stat-value { font-size: 2rem; font-weight: 700; color: var(--em); margin-bottom: 4px; }
.stat-label { font-size: 0.85rem; color: var(--text-m); }
.stat-card.blue .stat-value { color: var(--blue); }
.stat-card.yellow .stat-value { color: var(--yellow); }
.stat-card.purple .stat-value { color: var(--purple); }

/* Tables */
.table-wrap { overflow-x: auto; }
table { width: 100%; border-collapse: collapse; }
th, td { padding: 12px 16px; text-align: left; border-bottom: 1px solid var(--bdr); }
th { font-size: 0.75rem; font-weight: 600; text-transform: uppercase; letter-spacing: 0.5px; color: var(--text-l); background: var(--surface-alt); }
tr:hover td { background: var(--surface-alt); }
td { font-size: 0.9rem; }

/* Badges */
.badge { display: inline-block; padding: 3px 10px; border-radius: 50px; font-size: 0.72rem; font-weight: 600; text-transform: uppercase; letter-spacing: 0.3px; }
.bg-gray { background: #e2e8f0; color: #475569; }
.bg-green { background: var(--em-bg); color: var(--em-d); }
.bg-blue { background: var(--blue-bg); color: #2563eb; }
.bg-yellow { background: var(--yellow-bg); color: #b45309; }
.bg-red { background: var(--red-bg); color: #dc2626; }
.bg-purple { background: var(--purple-bg); color: #7c3aed; }

/* Buttons */
.btn { display: inline-flex; align-items: center; gap: 6px; padding: 10px 18px; border-radius: 8px; font-size: 0.88rem; font-weight: 600; text-decoration: none; border: none; cursor: pointer; transition: all 0.15s; }
.btn-primary { background: var(--em); color: #fff; }
.btn-primary:hover { background: var(--em-d); }
.btn-secondary { background: var(--surface); color: var(--text); border: 1px solid var(--bdr); }
.btn-secondary:hover { background: var(--surface-alt); }
.btn-danger { background: var(--red); color: #fff; }
.btn-sm { padding: 6px 12px; font-size: 0.8rem; }

/* Forms */
.form-group { margin-bottom: 16px; }
.form-label { display: block; font-size: 0.85rem; font-weight: 600; margin-bottom: 6px; color: var(--text-m); }
.form-control { width: 100%; padding: 10px 14px; border: 1px solid var(--bdr); border-radius: 8px; font-size: 0.9rem; font-family: inherit; transition: border-color 0.15s; }
.form-control:focus { outline: none; border-color: var(--em); box-shadow: 0 0 0 3px rgba(16,185,129,0.1); }
select.form-control { cursor: pointer; }
textarea.form-control { min-height: 100px; resize: vertical; }
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
.form-hint { font-size: 0.78rem; color: var(--text-l); margin-top: 4px; }

/* Alerts */
.alert { padding: 14px 20px; border-radius: 8px; margin-bottom: 20px; font-size: 0.9rem; }
.alert-success { background: var(--em-bg); color: var(--em-d); border: 1px solid #a7f3d0; }
.alert-error { background: var(--red-bg); color: #dc2626; border: 1px solid #fecaca; }
.alert-warning { background: var(--yellow-bg); color: #b45309; border: 1px solid #fde68a; }
.alert-info { background: var(--blue-bg); color: #2563eb; border: 1px solid #bfdbfe; }

/* Modal */
.modal-overlay { display: none; position: fixed; inset: 0; background: rgba(0,0,0,0.5); z-index: 200; align-items: center; justify-content: center; }
.modal-overlay.active { display: flex; }
.modal { background: var(--surface); border-radius: var(--radius); width: 90%; max-width: 500px; max-height: 90vh; overflow: auto; }
.modal-header { padding: 16px 20px; border-bottom: 1px solid var(--bdr); display: flex; justify-content: space-between; align-items: center; }
.modal-title { font-weight: 700; font-size: 1.1rem; }
.modal-close { background: none; border: none; font-size: 1.5rem; cursor: pointer; color: var(--text-l); line-height: 1; }
.modal-body { padding: 20px; }
.modal-footer { padding: 12px 20px; border-top: 1px solid var(--bdr); display: flex; justify-content: flex-end; gap: 10px; }

/* Tabs */
.tabs { display: flex; border-bottom: 2px solid var(--bdr); margin-bottom: 20px; }
.tab { padding: 12px 20px; font-weight: 600; color: var(--text-m); text-decoration: none; border-bottom: 2px solid transparent; margin-bottom: -2px; transition: all 0.15s; }
.tab:hover { color: var(--text); }
.tab.active { color: var(--em); border-color: var(--em); }

/* Empty State */
.empty-state { text-align: center; padding: 48px 20px; color: var(--text-m); }
.empty-icon { font-size: 3rem; margin-bottom: 12px; opacity: 0.5; }
.empty-text { font-size: 1rem; margin-bottom: 16px; }

/* Grid Layout */
.grid-2 { display: grid; grid-template-columns: 1fr 1fr; gap: 20px; }
.grid-3 { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; }

/* Login Page */
.login-page { min-height: 100vh; display: flex; align-items: center; justify-content: center; background: var(--navy); }
.login-box { background: var(--surface); padding: 40px; border-radius: var(--radius); width: 100%; max-width: 400px; box-shadow: 0 20px 60px rgba(0,0,0,0.3); }
.login-logo { text-align: center; margin-bottom: 32px; }
.login-logo .logo-mark { width: 56px; height: 56px; font-size: 1.5rem; margin: 0 auto 12px; }
.login-logo h1 { font-family: Georgia, serif; font-size: 1.8rem; color: var(--navy); }
.login-logo p { color: var(--text-m); font-size: 0.9rem; }

/* Guide Page */
.guide-nav { display: flex; flex-wrap: wrap; gap: 10px; margin-bottom: 24px; }
.guide-section { margin-bottom: 32px; }
.guide-section h3 { font-size: 1.2rem; margin-bottom: 12px; color: var(--navy); }
.guide-section p { margin-bottom: 12px; color: var(--text-m); }
.guide-section ul { margin-left: 20px; margin-bottom: 12px; }
.guide-section li { margin-bottom: 6px; color: var(--text-m); }
.guide-section code { background: var(--surface-alt); padding: 2px 6px; border-radius: 4px; font-size: 0.85rem; }

/* Tool specific */
.tool-header { background: var(--em-bg); border: 1px solid #a7f3d0; border-radius: var(--radius); padding: 20px; margin-bottom: 24px; }
.tool-header h2 { color: var(--em-d); font-size: 1.1rem; margin-bottom: 6px; }
.tool-header p { color: var(--em-d); font-size: 0.9rem; margin: 0; }

.preview-box { background: var(--surface-alt); border: 1px solid var(--bdr); border-radius: var(--radius); padding: 24px; margin-top: 20px; }
.preview-box h4 { font-size: 0.85rem; text-transform: uppercase; letter-spacing: 0.5px; color: var(--text-l); margin-bottom: 12px; }

/* Responsive */
@media (max-width: 1024px) {
  .sidebar { width: 220px; }
  .main-content { margin-left: 220px; }
  .form-row { grid-template-columns: 1fr; }
  .grid-2, .grid-3 { grid-template-columns: 1fr; }
}

@media (max-width: 768px) {
  .sidebar { transform: translateX(-100%); width: var(--sidebar-w); }
  .sidebar.open { transform: translateX(0); }
  .main-content { margin-left: 0; }
  .content { padding: 16px; }
  .main-header { padding: 16px; }
  .stats-grid { grid-template-columns: 1fr 1fr; }
}