/* ============================================
   MaxTech ERP - Modern Design System
   ============================================ */

:root {
  /* Colors */
  --bg-page:        #F8FAFC;
  --bg-card:        #FFFFFF;
  --bg-sidebar:     #0B1220;
  --bg-sidebar-hover: rgba(255,255,255,0.06);
  --bg-sidebar-active: linear-gradient(135deg, #6366F1, #8B5CF6);
  --bg-muted:       #F1F5F9;

  --text-primary:   #0F172A;
  --text-secondary: #475569;
  --text-muted:     #94A3B8;
  --text-on-dark:   #E2E8F0;
  --text-dim-dark:  #94A3B8;

  --border:         #E2E8F0;
  --border-soft:    #F1F5F9;
  --border-dark:    rgba(255,255,255,0.08);

  --primary:        #6366F1;
  --primary-hover:  #4F46E5;
  --primary-soft:   #EEF2FF;
  --primary-text:   #4338CA;

  --success:        #10B981;
  --success-soft:   #ECFDF5;
  --success-text:   #047857;

  --warning:        #F59E0B;
  --warning-soft:   #FEF3C7;
  --warning-text:   #B45309;

  --danger:         #F43F5E;
  --danger-soft:    #FFE4E6;
  --danger-text:    #BE123C;

  --info:           #06B6D4;
  --info-soft:      #ECFEFF;
  --info-text:      #0E7490;

  /* Effects */
  --shadow-xs: 0 1px 2px rgba(15,23,42,0.04);
  --shadow-sm: 0 1px 3px rgba(15,23,42,0.06), 0 1px 2px rgba(15,23,42,0.04);
  --shadow-md: 0 4px 12px -2px rgba(15,23,42,0.08), 0 2px 4px -1px rgba(15,23,42,0.04);
  --shadow-lg: 0 10px 30px -5px rgba(15,23,42,0.10), 0 4px 6px -2px rgba(15,23,42,0.05);
  --shadow-xl: 0 25px 50px -12px rgba(15,23,42,0.25);

  --radius-sm: 6px;
  --radius:    10px;
  --radius-lg: 14px;
  --radius-xl: 18px;

  --sidebar-w: 248px;
  --topbar-h: 64px;

  --font-sans: 'Geist', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  --font-mono: 'Geist Mono', 'SF Mono', Menlo, monospace;
}

/* ===== Base ===== */
* { box-sizing: border-box; }
html, body {
  font-family: var(--font-sans);
  background: var(--bg-page);
  color: var(--text-primary);
  font-size: 14px;
  line-height: 1.55;
  -webkit-font-smoothing: antialiased;
  letter-spacing: -0.005em;
}

body { padding-top: var(--topbar-h); }

h1,h2,h3,h4,h5,h6 {
  font-weight: 600;
  letter-spacing: -0.02em;
  color: var(--text-primary);
}
h1 { font-size: 1.875rem; }
h2 { font-size: 1.5rem; }
h3 { font-size: 1.25rem; }
h4 { font-size: 1.0625rem; }
h5 { font-size: 0.9375rem; }

a { color: var(--primary); text-decoration: none; transition: color .15s; }
a:hover { color: var(--primary-hover); }

::selection { background: var(--primary-soft); color: var(--primary-text); }

/* ===== Top Navbar ===== */
.navbar.fixed-top {
  background: rgba(255,255,255,0.85) !important;
  backdrop-filter: saturate(180%) blur(18px);
  -webkit-backdrop-filter: saturate(180%) blur(18px);
  border-bottom: 1px solid var(--border);
  height: var(--topbar-h);
  padding: 0 1.5rem;
  z-index: 1040;
}
.navbar .navbar-brand {
  color: var(--text-primary) !important;
  font-weight: 700;
  font-size: 1.05rem;
  letter-spacing: -0.02em;
  display: flex; align-items: center; gap: 0.5rem;
}
.navbar .navbar-brand i {
  background: linear-gradient(135deg, #6366F1, #8B5CF6);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  font-size: 1.4rem;
}
.navbar .text-light { color: var(--text-secondary) !important; }
.navbar .text-light a { color: var(--text-secondary); transition: color .15s; }
.navbar .text-light a:hover { color: var(--primary); }
.navbar .badge { font-size: 0.6875rem !important; }

/* ===== Sidebar ===== */
.sidebar {
  background: var(--bg-sidebar) !important;
  width: var(--sidebar-w) !important;
  border: none !important;
  box-shadow: 1px 0 0 var(--border-dark);
  padding-top: 1rem !important;
}

/* Desktop: lock sidebar to the left edge under the topbar */
@media (min-width: 768px) {
  .sidebar {
    position: fixed !important;
    top: var(--topbar-h) !important;
    left: 0 !important;
    height: calc(100vh - var(--topbar-h)) !important;
    overflow-y: auto;
    z-index: 1030;
    transform: none !important;
    visibility: visible !important;
  }
}
.sidebar .offcanvas-header { color: var(--text-on-dark); border-bottom: 1px solid var(--border-dark); }
.sidebar .nav-pills { padding: 0.5rem 0.75rem !important; }

.sidebar .nav-link {
  color: var(--text-dim-dark) !important;
  border-radius: var(--radius) !important;
  padding: 0.625rem 0.875rem;
  margin-bottom: 0.125rem;
  font-weight: 500;
  font-size: 0.875rem;
  display: flex; align-items: center;
  transition: all .15s ease;
  position: relative;
}
.sidebar .nav-link i {
  width: 18px;
  font-size: 0.95rem;
  margin-right: 0.625rem;
  opacity: 0.85;
}
.sidebar .nav-link:hover {
  background: var(--bg-sidebar-hover) !important;
  color: var(--text-on-dark) !important;
}
.sidebar .nav-link.active {
  background: var(--bg-sidebar-active) !important;
  color: white !important;
  box-shadow: 0 4px 14px -2px rgba(99,102,241,0.4);
}
.sidebar .nav-link.active i { opacity: 1; }
.sidebar .nav-header {
  font-size: 0.6875rem !important;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: #475569 !important;
  font-weight: 600;
  padding: 1rem 0.875rem 0.375rem !important;
  margin-top: 0.5rem;
}

/* ===== Main Content ===== */
.main-content {
  margin-left: var(--sidebar-w) !important;
  min-height: calc(100vh - var(--topbar-h));
  animation: fadeUp .35s ease-out;
}
.main-content > .container-fluid { padding: 2rem !important; max-width: 1400px; }
@keyframes fadeUp {
  from { opacity: 0; transform: translateY(8px); }
  to   { opacity: 1; transform: translateY(0); }
}
@media (max-width: 768px) {
  .main-content { margin-left: 0 !important; }
  .main-content > .container-fluid { padding: 1.25rem !important; }
}

/* Page heading */
h3 i { color: var(--primary); margin-right: 0.375rem; font-weight: normal; }

/* ===== Cards ===== */
.card {
  background: var(--bg-card);
  border: 1px solid var(--border) !important;
  border-radius: var(--radius-lg) !important;
  box-shadow: var(--shadow-xs);
  transition: box-shadow .2s;
}
.card.p-3, .card.p-4 { padding: 1.5rem !important; }
.card-header {
  background: transparent !important;
  border-bottom: 1px solid var(--border) !important;
  padding: 1rem 1.5rem !important;
  font-weight: 600;
}
.card-header strong { color: var(--text-primary); font-size: 0.9375rem; }

/* ===== Stat Cards ===== */
.stat-card {
  border-left: none !important;
  position: relative;
  overflow: hidden;
}
.stat-card::before {
  content: '';
  position: absolute;
  top: 0; left: 0;
  width: 4px; height: 100%;
  background: var(--primary);
  border-radius: 0 4px 4px 0;
}
.stat-card.success::before { background: var(--success); }
.stat-card.warn::before    { background: var(--warning); }
.stat-card.danger::before  { background: var(--danger); }

.stat-card .text-muted.small {
  text-transform: uppercase;
  letter-spacing: 0.06em;
  font-size: 0.6875rem !important;
  font-weight: 600;
  color: var(--text-muted) !important;
}
.stat-num {
  font-family: var(--font-mono);
  font-size: 2rem !important;
  font-weight: 600 !important;
  letter-spacing: -0.03em;
  margin-top: 0.25rem;
  color: var(--text-primary);
  line-height: 1.1;
}
.stat-card .text-success { color: var(--success) !important; }
.stat-card .text-warning { color: var(--warning) !important; }
.stat-card .text-danger  { color: var(--danger)  !important; }
.stat-card .text-primary { color: var(--primary) !important; }

/* ===== Tables ===== */
.table {
  margin-bottom: 0;
  color: var(--text-primary);
  font-size: 0.875rem;
}
.table thead {
  background: var(--bg-muted) !important;
}
.table thead tr th {
  background: transparent !important;
  border: none !important;
  border-bottom: 1px solid var(--border) !important;
  font-weight: 600;
  font-size: 0.6875rem;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--text-secondary);
  padding: 0.75rem 1rem !important;
}
.table tbody tr { transition: background .12s; }
.table tbody tr:hover { background: var(--bg-muted) !important; }
.table tbody td {
  padding: 0.875rem 1rem !important;
  vertical-align: middle;
  border-top: none !important;
  border-bottom: 1px solid var(--border-soft) !important;
}
.table tbody tr:last-child td { border-bottom: none !important; }
.table tbody td strong { font-weight: 600; color: var(--text-primary); }
.table tbody td small { color: var(--text-muted); }

/* ===== Badges - Status pills with dots ===== */
.badge {
  font-weight: 500 !important;
  font-size: 0.75rem !important;
  padding: 0.3125rem 0.625rem !important;
  border-radius: 999px !important;
  display: inline-flex;
  align-items: center;
  gap: 0.375rem;
  letter-spacing: 0;
}
.badge::before {
  content: '';
  width: 6px; height: 6px;
  border-radius: 50%;
  background: currentColor;
  flex-shrink: 0;
}
.badge.bg-success { background: var(--success-soft) !important; color: var(--success-text) !important; }
.badge.bg-warning { background: var(--warning-soft) !important; color: var(--warning-text) !important; }
.badge.bg-danger  { background: var(--danger-soft)  !important; color: var(--danger-text)  !important; }
.badge.bg-info    { background: var(--info-soft)    !important; color: var(--info-text)    !important; }
.badge.bg-secondary { background: var(--bg-muted) !important; color: var(--text-secondary) !important; }
.badge.bg-warning.text-dark { color: var(--warning-text) !important; }
.badge.bg-primary { background: var(--primary-soft) !important; color: var(--primary-text) !important; }

/* ===== Buttons ===== */
.btn {
  font-weight: 500;
  font-size: 0.875rem;
  padding: 0.5625rem 1rem;
  border-radius: var(--radius);
  border: 1px solid transparent;
  transition: all .15s ease;
  letter-spacing: -0.005em;
}
.btn:focus { box-shadow: 0 0 0 3px var(--primary-soft); }

.btn-primary {
  background: var(--primary) !important;
  border-color: var(--primary) !important;
  color: white !important;
  box-shadow: 0 1px 2px rgba(99,102,241,0.2);
}
.btn-primary:hover {
  background: var(--primary-hover) !important;
  border-color: var(--primary-hover) !important;
  transform: translateY(-1px);
  box-shadow: 0 4px 12px -2px rgba(99,102,241,0.4);
}

.btn-success {
  background: var(--success) !important;
  border-color: var(--success) !important;
  color: white !important;
}
.btn-success:hover { background: #059669 !important; border-color: #059669 !important; }

.btn-warning {
  background: var(--warning) !important;
  border-color: var(--warning) !important;
  color: white !important;
}

.btn-secondary {
  background: white !important;
  border-color: var(--border) !important;
  color: var(--text-primary) !important;
}
.btn-secondary:hover { background: var(--bg-muted) !important; border-color: var(--text-muted) !important; }

.btn-outline-primary {
  background: white !important;
  border-color: var(--border) !important;
  color: var(--primary) !important;
}
.btn-outline-primary:hover {
  background: var(--primary-soft) !important;
  border-color: var(--primary) !important;
  color: var(--primary-hover) !important;
}
.btn-outline-success {
  background: white !important;
  border-color: var(--border) !important;
  color: var(--success) !important;
}
.btn-outline-success:hover { background: var(--success-soft) !important; border-color: var(--success) !important; }
.btn-outline-danger {
  background: white !important;
  border-color: var(--border) !important;
  color: var(--danger) !important;
}
.btn-outline-danger:hover { background: var(--danger-soft) !important; border-color: var(--danger) !important; }
.btn-outline-secondary {
  background: white !important;
  border-color: var(--border) !important;
  color: var(--text-secondary) !important;
}
.btn-outline-secondary:hover { background: var(--bg-muted) !important; }

.btn-sm { padding: 0.375rem 0.625rem; font-size: 0.8125rem; }
.btn i { font-size: 0.95em; }

/* Hamburger button on mobile */
.btn-dark.d-md-none {
  background: transparent !important;
  border-color: var(--border) !important;
  color: var(--text-primary) !important;
}

/* ===== Forms ===== */
.form-label {
  font-weight: 500;
  font-size: 0.8125rem;
  color: var(--text-primary);
  margin-bottom: 0.375rem;
}
.form-control, .form-select {
  border: 1px solid var(--border) !important;
  border-radius: var(--radius) !important;
  padding: 0.5625rem 0.875rem !important;
  font-size: 0.875rem !important;
  color: var(--text-primary) !important;
  background: var(--bg-card) !important;
  transition: border-color .15s, box-shadow .15s;
}
.form-control:focus, .form-select:focus {
  border-color: var(--primary) !important;
  box-shadow: 0 0 0 3px var(--primary-soft) !important;
  outline: none;
}
.form-control::placeholder { color: var(--text-muted); }

.input-group .btn { border-radius: var(--radius) !important; }
.input-group .form-control { border-right: 0 !important; }
.input-group .btn-outline-primary {
  border-color: var(--border) !important;
  border-left: 0 !important;
}

/* ===== Alerts ===== */
.alert {
  border: 1px solid;
  border-radius: var(--radius-lg);
  padding: 1rem 1.25rem;
}
.alert-warning {
  background: var(--warning-soft);
  border-color: #FCD34D;
  color: var(--warning-text);
}
.alert-warning .alert-heading { color: var(--warning-text); font-weight: 600; }
.alert-warning .btn-warning {
  background: var(--warning) !important;
  border-color: var(--warning) !important;
  color: white !important;
}
.alert-warning .btn-warning:hover { background: #D97706 !important; border-color: #D97706 !important; }
.alert-success { background: var(--success-soft); border-color: #6EE7B7; color: var(--success-text); }
.alert-danger  { background: var(--danger-soft);  border-color: #FDA4AF; color: var(--danger-text); }

/* ===== Nav-pills (subscription tabs) ===== */
.nav-pills.bg-white {
  background: var(--bg-card) !important;
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 0.375rem !important;
  box-shadow: var(--shadow-xs);
}
.nav-pills .nav-link {
  color: var(--text-secondary) !important;
  border-radius: var(--radius);
  padding: 0.5rem 0.875rem;
  font-size: 0.875rem;
  font-weight: 500;
  background: transparent !important;
  display: inline-flex; align-items: center; gap: 0.5rem;
  transition: all .15s;
}
.nav-pills .nav-link:hover { background: var(--bg-muted) !important; color: var(--text-primary) !important; }
.nav-pills .nav-link.active {
  background: var(--primary) !important;
  color: white !important;
  box-shadow: 0 2px 8px -2px rgba(99,102,241,0.4);
}
.nav-pills .nav-link.active .badge { background: rgba(255,255,255,0.25) !important; color: white !important; }
.nav-pills .nav-link.active .badge::before { background: white; }
.nav-pills .nav-link .badge {
  font-size: 0.6875rem !important;
  padding: 0.125rem 0.5rem !important;
}

/* ===== Login screen ===== */
.login-wrap {
  min-height: 100vh;
  display: flex; align-items: center; justify-content: center;
  background: #0B1220;
  background-image:
    radial-gradient(at 20% 20%, rgba(99,102,241,0.35) 0px, transparent 50%),
    radial-gradient(at 80% 0%,  rgba(139,92,246,0.30) 0px, transparent 50%),
    radial-gradient(at 0% 100%, rgba(16,185,129,0.20) 0px, transparent 50%),
    radial-gradient(at 100% 100%, rgba(244,63,94,0.15) 0px, transparent 50%);
  padding: 1rem;
  position: relative;
  overflow: hidden;
}
.login-wrap::before {
  content: '';
  position: absolute; inset: 0;
  background-image:
    linear-gradient(rgba(255,255,255,0.025) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,0.025) 1px, transparent 1px);
  background-size: 48px 48px;
  pointer-events: none;
}
.login-card {
  width: 420px; max-width: 100%;
  background: rgba(255,255,255,0.97) !important;
  backdrop-filter: blur(20px);
  border: 1px solid rgba(255,255,255,0.2);
  border-radius: var(--radius-xl) !important;
  box-shadow: var(--shadow-xl);
  position: relative;
  z-index: 1;
}
.login-card .card-body { padding: 2.5rem !important; }
.login-card .display-4 i {
  background: linear-gradient(135deg, #6366F1, #8B5CF6);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}
.login-card h4 {
  font-size: 1.5rem;
  font-weight: 700;
  letter-spacing: -0.025em;
  margin-top: 0.5rem;
}
.login-card small.text-muted {
  font-size: 0.8125rem;
  color: var(--text-muted) !important;
}
.login-card .btn-primary {
  padding: 0.75rem 1rem;
  font-weight: 500;
  font-size: 0.9375rem;
}

/* ===== Form layout polish ===== */
hr {
  border: none;
  border-top: 1px solid var(--border);
  margin: 1.5rem 0;
  opacity: 1;
}

/* ===== Empty states ===== */
.text-center.text-muted.py-4 {
  padding: 3rem 1rem !important;
  font-size: 0.9375rem;
}

/* ===== Scrollbar ===== */
::-webkit-scrollbar { width: 10px; height: 10px; }
::-webkit-scrollbar-track { background: transparent; }
::-webkit-scrollbar-thumb { background: var(--border); border-radius: 999px; border: 2px solid var(--bg-page); }
::-webkit-scrollbar-thumb:hover { background: var(--text-muted); }

/* ===== Misc ===== */
.shadow-sm { box-shadow: var(--shadow-sm) !important; }
.shadow-lg { box-shadow: var(--shadow-lg) !important; }
.text-muted { color: var(--text-muted) !important; }

/* Numbers in tables/stats look better in mono */
.stat-num { font-family: var(--font-mono); font-feature-settings: 'tnum'; }

/* Stagger animation for stat cards */
.row.g-3 > [class*="col-"] > .card { animation: fadeUp .4s ease-out backwards; }
.row.g-3 > [class*="col-"]:nth-child(1) > .card { animation-delay: 0.05s; }
.row.g-3 > [class*="col-"]:nth-child(2) > .card { animation-delay: 0.10s; }
.row.g-3 > [class*="col-"]:nth-child(3) > .card { animation-delay: 0.15s; }
.row.g-3 > [class*="col-"]:nth-child(4) > .card { animation-delay: 0.20s; }