/* ==========================================================================
   CS CREATIVE SOLUTIONS - Enterprise Design System
   Modern, High-Contrast, Polished Corporate Aesthetics
   ========================================================================== */

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

:root {
  --font-main: 'Plus Jakarta Sans', system-ui, -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  --font-mono: 'JetBrains Mono', monospace;

  /* Colors */
  --brand-navy: #0b132b;
  --brand-dark: #1c2541;
  --brand-primary: #2563eb;
  --brand-primary-hover: #1d4ed8;
  --brand-primary-light: #eff6ff;
  --brand-primary-glow: rgba(37, 99, 235, 0.25);
  
  --text-dark: #0f172a;
  --text-body: #334155;
  --text-muted: #64748b;
  --text-light: #94a3b8;

  --bg-page: #f8fafc;
  --bg-surface: #ffffff;
  --bg-subtle: #f1f5f9;

  --border-subtle: #e2e8f0;
  --border-focus: #3b82f6;

  --radius-xs: 4px;
  --radius-sm: 8px;
  --radius-md: 12px;
  --radius-lg: 18px;
  --radius-xl: 24px;
  --radius-pill: 50px;

  --shadow-sm: 0 1px 3px rgba(15, 23, 42, 0.06), 0 1px 2px rgba(15, 23, 42, 0.04);
  --shadow-md: 0 4px 6px -1px rgba(15, 23, 42, 0.08), 0 2px 4px -2px rgba(15, 23, 42, 0.06);
  --shadow-lg: 0 10px 25px -5px rgba(15, 23, 42, 0.08), 0 8px 10px -6px rgba(15, 23, 42, 0.04);
  --shadow-card: 0 2px 12px rgba(15, 23, 42, 0.04), 0 1px 2px rgba(15, 23, 42, 0.02);
  --shadow-glow: 0 0 15px rgba(37, 99, 235, 0.35);

  --transition-fast: 0.15s cubic-bezier(0.4, 0, 0.2, 1);
  --transition-normal: 0.25s cubic-bezier(0.4, 0, 0.2, 1);
}

body {
  font-family: var(--font-main);
  background-color: var(--bg-page);
  color: var(--text-body);
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  -webkit-font-smoothing: antialiased;
}

/* ==========================================================================
   Navigation Bar
   ========================================================================== */
.navbar-custom {
  background: linear-gradient(180deg, #0b132b 0%, #111c3a 100%);
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
  padding: 0.75rem 1.5rem;
  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.15);
}

.brand-monogram {
  width: 36px;
  height: 36px;
  border-radius: 10px;
  background: linear-gradient(135deg, #3b82f6 0%, #1d4ed8 100%);
  color: #ffffff;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-weight: 800;
  font-size: 0.95rem;
  letter-spacing: -0.5px;
  box-shadow: 0 2px 8px rgba(37, 99, 235, 0.4);
}

.brand-text-container {
  display: flex;
  flex-direction: column;
  line-height: 1.1;
}

.brand-company-name {
  color: #ffffff;
  font-weight: 800;
  font-size: 1.05rem;
  letter-spacing: 0.5px;
}

.brand-subtitle {
  color: #94a3b8;
  font-size: 0.68rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 1.2px;
}

.badge-brand {
  background: rgba(37, 99, 235, 0.2);
  color: #60a5fa;
  border: 1px solid rgba(96, 165, 250, 0.3);
  font-size: 0.7rem;
  font-weight: 700;
  padding: 0.25rem 0.65rem;
  border-radius: var(--radius-pill);
  letter-spacing: 0.5px;
  margin-left: 0.5rem;
}

.navbar-custom .nav-link {
  color: #cbd5e1 !important;
  font-weight: 500;
  font-size: 0.875rem;
  padding: 0.5rem 0.85rem !important;
  border-radius: var(--radius-sm);
  transition: var(--transition-fast);
}

.navbar-custom .nav-link:hover {
  color: #ffffff !important;
  background-color: rgba(255, 255, 255, 0.08);
}

.navbar-custom .nav-link.active {
  color: #ffffff !important;
  background: rgba(37, 99, 235, 0.25);
  font-weight: 600;
}

/* ==========================================================================
   Card Styling
   ========================================================================== */
.content-card {
  background: var(--bg-surface);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-card);
  margin-bottom: 1.5rem;
  overflow: hidden;
  transition: box-shadow var(--transition-normal);
}

.content-card:hover {
  box-shadow: var(--shadow-md);
}

.content-card-header {
  padding: 1.1rem 1.4rem;
  background: #ffffff;
  border-bottom: 1px solid var(--border-subtle);
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.content-card-body {
  padding: 1.4rem;
}

/* ==========================================================================
   Metric Cards
   ========================================================================== */
.metric-card {
  background: var(--bg-surface);
  border-radius: var(--radius-md);
  border: 1px solid var(--border-subtle);
  padding: 1.35rem 1.25rem;
  box-shadow: var(--shadow-card);
  position: relative;
  overflow: hidden;
  transition: transform var(--transition-fast), box-shadow var(--transition-fast);
}

.metric-card:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-md);
  border-color: #cbd5e1;
}

.metric-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 3px;
  background: linear-gradient(90deg, #3b82f6, #1d4ed8);
  opacity: 0;
  transition: opacity var(--transition-fast);
}

.metric-card:hover::before {
  opacity: 1;
}

.metric-title {
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 0.8px;
  color: var(--text-muted);
  font-weight: 700;
  margin-bottom: 0.4rem;
}

.metric-value {
  font-size: 1.85rem;
  font-weight: 800;
  color: var(--text-dark);
  line-height: 1.2;
  letter-spacing: -0.5px;
}

.metric-icon {
  position: absolute;
  right: 1.25rem;
  top: 1.25rem;
  width: 46px;
  height: 46px;
  border-radius: 12px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.3rem;
}

.icon-primary { background-color: #eff6ff; color: #2563eb; }
.icon-success { background-color: #ecfdf5; color: #059669; }
.icon-warning { background-color: #fffbeb; color: #d97706; }
.icon-danger  { background-color: #fef2f2; color: #dc2626; }
.icon-info    { background-color: #f0fdfa; color: #0d9488; }
.icon-purple  { background-color: #faf5ff; color: #7e22ce; }
.icon-secondary { background-color: #f1f5f9; color: #475569; }

/* ==========================================================================
   Buttons - Modern Elevated Styling
   ========================================================================== */
.btn {
  font-family: var(--font-main);
  font-weight: 600;
  border-radius: var(--radius-sm);
  padding: 0.55rem 1.15rem;
  font-size: 0.875rem;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.4rem;
  transition: all var(--transition-fast);
  border: 1px solid transparent;
}

.btn-primary {
  background: linear-gradient(135deg, #2563eb 0%, #1d4ed8 100%);
  color: #ffffff;
  border-color: #1d4ed8;
  box-shadow: 0 2px 6px rgba(37, 99, 235, 0.25);
}

.btn-primary:hover, .btn-primary:focus {
  background: linear-gradient(135deg, #1d4ed8 0%, #1e40af 100%);
  color: #ffffff;
  box-shadow: 0 4px 12px rgba(37, 99, 235, 0.35);
  transform: translateY(-1px);
}

.btn-primary:active {
  transform: translateY(0);
  box-shadow: 0 1px 3px rgba(37, 99, 235, 0.2);
}

.btn-success {
  background: linear-gradient(135deg, #059669 0%, #047857 100%);
  color: #ffffff;
  border-color: #047857;
  box-shadow: 0 2px 6px rgba(5, 150, 105, 0.25);
}

.btn-success:hover {
  background: linear-gradient(135deg, #047857 0%, #065f46 100%);
  box-shadow: 0 4px 12px rgba(5, 150, 105, 0.35);
  transform: translateY(-1px);
  color: #ffffff;
}

.btn-danger {
  background: linear-gradient(135deg, #dc2626 0%, #b91c1c 100%);
  color: #ffffff;
  border-color: #b91c1c;
  box-shadow: 0 2px 6px rgba(220, 38, 38, 0.25);
}

.btn-danger:hover {
  background: linear-gradient(135deg, #b91c1c 0%, #991b1b 100%);
  box-shadow: 0 4px 12px rgba(220, 38, 38, 0.35);
  transform: translateY(-1px);
  color: #ffffff;
}

.btn-warning {
  background: linear-gradient(135deg, #f59e0b 0%, #d97706 100%);
  color: #ffffff;
  border-color: #d97706;
  box-shadow: 0 2px 6px rgba(217, 119, 6, 0.25);
}

.btn-warning:hover {
  background: linear-gradient(135deg, #d97706 0%, #b45309 100%);
  box-shadow: 0 4px 12px rgba(217, 119, 6, 0.35);
  transform: translateY(-1px);
  color: #ffffff;
}

.btn-outline-primary {
  color: var(--brand-primary);
  border-color: #93c5fd;
  background-color: transparent;
}

.btn-outline-primary:hover {
  background-color: #eff6ff;
  border-color: var(--brand-primary);
  color: var(--brand-primary-hover);
  transform: translateY(-1px);
}

.btn-outline-secondary {
  color: #475569;
  border-color: #cbd5e1;
  background-color: transparent;
}

.btn-outline-secondary:hover {
  background-color: #f8fafc;
  border-color: #94a3b8;
  color: #1e293b;
}

.btn-sm {
  padding: 0.35rem 0.75rem;
  font-size: 0.8rem;
  border-radius: 6px;
}

/* ==========================================================================
   Status Badges - High-Contrast Pill Badges
   ========================================================================== */
.badge-voucher {
  padding: 0.35rem 0.8rem;
  font-size: 0.725rem;
  font-weight: 700;
  border-radius: var(--radius-pill);
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  border: 1px solid transparent;
}

.badge-status-draft { background-color: #f1f5f9; color: #475569; border-color: #cbd5e1; }
.badge-status-submitted { background-color: #eff6ff; color: #1d4ed8; border-color: #bfdbfe; }
.badge-status-pending { background-color: #fffbeb; color: #b45309; border-color: #fde68a; }
.badge-status-returned { background-color: #fff7ed; color: #c2410c; border-color: #fed7aa; }
.badge-status-rejected { background-color: #fef2f2; color: #dc2626; border-color: #fecaca; }
.badge-status-approved { background-color: #ecfdf5; color: #047857; border-color: #a7f3d0; }
.badge-status-accounts { background-color: #f5f3ff; color: #6d28d9; border-color: #ddd6fe; }
.badge-status-ready { background-color: #eff6ff; color: #1d4ed8; border-color: #93c5fd; }
.badge-status-paid { background-color: #ecfdf5; color: #065f46; border-color: #6ee7b7; font-weight: 800; }
.badge-status-cancelled { background-color: #f8fafc; color: #94a3b8; border-color: #e2e8f0; }

/* ==========================================================================
   Data Tables
   ========================================================================== */
.table-custom {
  margin-bottom: 0;
  background-color: #ffffff;
}

.table-custom th {
  background-color: #f8fafc;
  color: #475569;
  font-size: 0.75rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.7px;
  padding: 0.95rem 1.15rem;
  border-bottom: 1px solid var(--border-subtle);
  white-space: nowrap;
}

.table-custom td {
  padding: 1rem 1.15rem;
  vertical-align: middle;
  font-size: 0.885rem;
  border-bottom: 1px solid #f1f5f9;
}

.table-custom tr:hover td {
  background-color: #f8fafc;
}

/* ==========================================================================
   Form Controls
   ========================================================================== */
.form-label {
  font-size: 0.825rem;
  font-weight: 700;
  color: var(--text-dark);
  margin-bottom: 0.4rem;
  letter-spacing: 0.1px;
}

.form-control, .form-select {
  border-radius: var(--radius-sm);
  border: 1px solid #cbd5e1;
  padding: 0.6rem 0.95rem;
  font-size: 0.9rem;
  background-color: #ffffff;
  color: var(--text-dark);
  transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
}

.form-control:focus, .form-select:focus {
  border-color: var(--brand-primary);
  box-shadow: 0 0 0 3px var(--brand-primary-glow);
  outline: none;
}

.form-control[readonly] {
  background-color: #f8fafc;
  color: #475569;
  border-color: #e2e8f0;
}

/* ==========================================================================
   Login Page Styling (CS Creative Solutions Executive Style)
   ========================================================================== */
.login-page-wrapper {
  min-height: calc(100vh - 140px);
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 2rem 1rem;
}

.login-card {
  width: 100%;
  max-width: 440px;
  background: #ffffff;
  border-radius: var(--radius-lg);
  border: 1px solid var(--border-subtle);
  box-shadow: 0 15px 35px -5px rgba(15, 23, 42, 0.1), 0 5px 15px rgba(0, 0, 0, 0.04);
  overflow: hidden;
}

.login-card-header {
  background: linear-gradient(135deg, #0b132b 0%, #1c2541 100%);
  padding: 2.5rem 2rem 2rem;
  text-align: center;
  color: #ffffff;
  position: relative;
}

.login-card-header::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  height: 4px;
  background: linear-gradient(90deg, #3b82f6, #60a5fa, #2563eb);
}

.login-company-badge {
  width: 52px;
  height: 52px;
  background: linear-gradient(135deg, #3b82f6 0%, #1d4ed8 100%);
  border-radius: 14px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-size: 1.5rem;
  font-weight: 800;
  color: #ffffff;
  box-shadow: 0 4px 15px rgba(37, 99, 235, 0.4);
  margin-bottom: 1rem;
}

.login-card-body {
  padding: 2rem;
}

.login-notice {
  font-size: 0.75rem;
  color: var(--text-muted);
  text-align: center;
  margin-top: 1.5rem;
  padding-top: 1rem;
  border-top: 1px solid #f1f5f9;
}

/* ==========================================================================
   Timeline (Sequential Approval Flow)
   ========================================================================== */
.timeline {
  position: relative;
  padding-left: 2rem;
  margin: 1.5rem 0;
}

.timeline::before {
  content: '';
  position: absolute;
  left: 9px;
  top: 6px;
  bottom: 6px;
  width: 2px;
  background-color: #cbd5e1;
}

.timeline-item {
  position: relative;
  margin-bottom: 1.75rem;
}

.timeline-item:last-child {
  margin-bottom: 0;
}

.timeline-dot {
  position: absolute;
  left: -2rem;
  top: 0.2rem;
  width: 20px;
  height: 20px;
  border-radius: 50%;
  background-color: #ffffff;
  border: 3px solid #94a3b8;
  box-shadow: 0 0 0 3px #ffffff;
}

.timeline-dot.approved { border-color: #059669; background-color: #10b981; }
.timeline-dot.pending  { border-color: #d97706; background-color: #f59e0b; }
.timeline-dot.returned { border-color: #c2410c; background-color: #ea580c; }
.timeline-dot.rejected { border-color: #dc2626; background-color: #ef4444; }

.timeline-content {
  background: #f8fafc;
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-sm);
  padding: 0.85rem 1.15rem;
}

/* Empty State */
.empty-state {
  text-align: center;
  padding: 3.5rem 1.5rem;
  color: var(--text-muted);
}

.empty-state-icon {
  font-size: 3rem;
  color: #cbd5e1;
  margin-bottom: 1rem;
}

/* Footer */
footer {
  margin-top: auto;
  background-color: #ffffff;
  border-top: 1px solid var(--border-subtle);
  padding: 1.25rem 0;
  font-size: 0.8rem;
  color: var(--text-muted);
}