/* SME PREMIUM — Luxury SaaS Design System
   Typography: DM Sans (refined sans) + JetBrains Mono (code)
   Palette: Deep navy, rich gold, pristine white
   Style: Spacious, confident, glass morphism, smooth interactions
*/

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

:root {
  --navy-1000:   #0A0E27;
  --navy-900:    #0D1B2A;
  --navy-800:    #1B2838;
  --navy-700:    #29384D;
  --navy-600:    #3A4F66;
  
  --gold:        #D4AF37;
  --gold-light:  #E8C547;
  --gold-dark:   #B8941F;
  
  --white:       #FFFFFF;
  --white-soft:  #F8FAFB;
  --slate-50:    #F1F5F9;
  --slate-100:   #E2E8F0;
  --slate-200:   #CBD5E1;
  --slate-300:   #94A3B8;
  --slate-400:   #64748B;
  
  --green:       #10B981;
  --green-soft:  #D1FAE5;
  --red:         #EF4444;
  --red-soft:    #FEE2E2;
  --blue:        #3B82F6;
  --blue-soft:   #DBEAFE;
  
  --sidebar-w:   260px;
  --radius-sm:   8px;
  --radius-md:   12px;
  --radius-lg:   16px;
  
  --shadow-sm:   0 1px 3px rgba(10,14,39,0.05);
  --shadow-md:   0 4px 16px rgba(10,14,39,0.08);
  --shadow-lg:   0 12px 40px rgba(10,14,39,0.12);
  --shadow-xl:   0 24px 64px rgba(10,14,39,0.18);
  
  --transition:  all 0.25s cubic-bezier(0.4, 0, 0.2, 1);
}

* { box-sizing: border-box; margin: 0; padding: 0; }

body {
  font-family: 'DM Sans', -apple-system, system-ui, sans-serif;
  background: var(--slate-50);
  color: var(--navy-900);
  font-size: 15px;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

/* ══════════════════════════════════════════════════════════════════════════════
   LAYOUT
   ══════════════════════════════════════════════════════════════════════════════ */

.layout { display: flex; min-height: 100vh; }

/* ── SIDEBAR ────────────────────────────────────────────────────────────────── */
.sidebar {
  width: var(--sidebar-w);
  background: linear-gradient(180deg, var(--navy-900) 0%, var(--navy-1000) 100%);
  position: fixed;
  top: 0; left: 0; height: 100vh;
  display: flex; flex-direction: column;
  z-index: 100;
  overflow-y: auto;
  border-right: 1px solid rgba(212,175,55,0.12);
}

.sidebar-brand {
  padding: 32px 24px 24px;
  display: flex; align-items: center; gap: 14px;
  border-bottom: 1px solid rgba(255,255,255,0.06);
}

.brand-icon {
  width: 48px; height: 48px;
  display: flex; align-items: center; justify-content: center;
  font-size: 28px;
}

.brand-icon img {
  width: 100%;
  height: 100%;
  object-fit: contain;
  filter: brightness(0) invert(1);
}

.brand-text { flex: 1; }

.brand-name {
  font-size: 20px;
  font-weight: 700;
  color: var(--white);
  letter-spacing: -0.3px;
}

.brand-biz {
  font-size: 12px;
  color: var(--gold-light);
  font-weight: 500;
  margin-top: 2px;
  opacity: 0.9;
}

.sidebar-nav {
  flex: 1;
  padding: 16px 12px;
}

.nav-section {
  padding: 24px 12px 8px;
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 1.2px;
  text-transform: uppercase;
  color: var(--slate-300);
}

.nav-item {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 11px 16px;
  margin: 2px 0;
  border-radius: var(--radius-sm);
  color: rgba(255,255,255,0.75);
  text-decoration: none;
  font-size: 14.5px;
  font-weight: 500;
  transition: var(--transition);
  position: relative;
}

.nav-item:hover {
  background: rgba(255,255,255,0.06);
  color: var(--white);
  transform: translateX(2px);
}

.nav-item.active {
  background: linear-gradient(90deg, rgba(212,175,55,0.15) 0%, rgba(212,175,55,0.08) 100%);
  color: var(--gold-light);
  font-weight: 600;
}

.nav-item.active::before {
  content: '';
  position: absolute;
  left: 0;
  top: 50%;
  transform: translateY(-50%);
  width: 3px;
  height: 20px;
  background: var(--gold);
  border-radius: 0 4px 4px 0;
}

.nav-icon {
  width: 20px;
  font-size: 16px;
  text-align: center;
}

.sidebar-footer {
  padding: 20px 24px;
  border-top: 1px solid rgba(255,255,255,0.06);
  background: rgba(0,0,0,0.2);
}

.user-info {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 12px;
}

.username {
  flex: 1;
  color: rgba(255,255,255,0.9);
  font-size: 13.5px;
  font-weight: 600;
}

.logout-btn {
  color: var(--slate-300);
  font-size: 13px;
  text-decoration: none;
  transition: var(--transition);
  font-weight: 500;
}

.logout-btn:hover {
  color: var(--gold-light);
}

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

.topbar {
  background: var(--white);
  border-bottom: 1px solid var(--slate-100);
  padding: 20px 40px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  position: sticky;
  top: 0;
  z-index: 50;
  backdrop-filter: blur(12px);
  background: rgba(255,255,255,0.92);
}

.page-title {
  font-size: 28px;
  font-weight: 700;
  color: var(--navy-900);
  letter-spacing: -0.5px;
}

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

.content {
  padding: 32px 40px 80px;
  flex: 1;
}

/* ══════════════════════════════════════════════════════════════════════════════
   COMPONENTS
   ══════════════════════════════════════════════════════════════════════════════ */

/* ── ALERTS ─────────────────────────────────────────────────────────────────── */
.alert {
  padding: 14px 20px 14px 48px;
  border-radius: var(--radius-md);
  font-size: 14px;
  font-weight: 500;
  margin: 0 40px 12px;
  position: relative;
  box-shadow: var(--shadow-sm);
  animation: slideDown 0.3s ease-out;
}

@keyframes slideDown {
  from { opacity: 0; transform: translateY(-8px); }
  to { opacity: 1; transform: translateY(0); }
}

.alert::before {
  content: ''; position: absolute;
  left: 16px; top: 50%; transform: translateY(-50%);
  width: 20px; height: 20px;
  background-size: contain;
}

.alert-success { background: var(--green-soft); color: #065F46; border-left: 4px solid var(--green); }
.alert-danger  { background: var(--red-soft);   color: #991B1B; border-left: 4px solid var(--red); }
.alert-warning { background: #FEF3C7; color: #92400E; border-left: 4px solid var(--gold); }
.alert-info    { background: var(--blue-soft);  color: #1E3A8A; border-left: 4px solid var(--blue); }

/* ── CARDS ──────────────────────────────────────────────────────────────────── */
.card {
  background: var(--white);
  border-radius: var(--radius-lg);
  border: 1px solid var(--slate-100);
  box-shadow: var(--shadow-sm);
  overflow: hidden;
  transition: var(--transition);
}

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

.card-header {
  padding: 20px 28px;
  border-bottom: 1px solid var(--slate-100);
  display: flex;
  align-items: center;
  justify-content: space-between;
  background: var(--white-soft);
}

.card-header h2 {
  font-size: 17px;
  font-weight: 700;
  color: var(--navy-900);
  letter-spacing: -0.2px;
}

.card-body {
  padding: 28px;
}

/* ── METRICS ────────────────────────────────────────────────────────────────── */
.metrics {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 20px;
  margin-bottom: 32px;
}

.metric-tile {
  background: var(--white);
  border-radius: var(--radius-lg);
  border: 1px solid var(--slate-100);
  padding: 24px;
  box-shadow: var(--shadow-sm);
  transition: var(--transition);
  position: relative;
  overflow: hidden;
}

.metric-tile::before {
  content: '';
  position: absolute;
  top: 0; left: 0;
  width: 100%; height: 4px;
  background: linear-gradient(90deg, var(--gold) 0%, var(--gold-light) 100%);
}

.metric-tile.navy::before   { background: linear-gradient(90deg, var(--navy-700) 0%, var(--navy-600) 100%); }
.metric-tile.green::before  { background: linear-gradient(90deg, var(--green) 0%, #34D399 100%); }
.metric-tile.red::before    { background: linear-gradient(90deg, var(--red) 0%, #F87171 100%); }

.metric-tile:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-md);
}

.metric-label {
  font-size: 12px;
  color: var(--slate-400);
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.8px;
  margin-bottom: 10px;
}

.metric-value {
  font-size: 36px;
  font-weight: 700;
  color: var(--navy-900);
  letter-spacing: -1px;
  margin-bottom: 4px;
}

.metric-sub {
  font-size: 13px;
  color: var(--slate-400);
  font-weight: 500;
}

/* ── TABLES ─────────────────────────────────────────────────────────────────── */
.table-wrap {
  overflow-x: auto;
  border-radius: var(--radius-md);
}

.data-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 14px;
}

.data-table thead {
  background: var(--slate-50);
}

.data-table th {
  padding: 14px 20px;
  text-align: left;
  font-size: 12px;
  font-weight: 700;
  color: var(--slate-400);
  text-transform: uppercase;
  letter-spacing: 0.6px;
  border-bottom: 2px solid var(--slate-100);
}

.data-table td {
  padding: 16px 20px;
  border-bottom: 1px solid var(--slate-100);
  color: var(--navy-900);
}

.data-table tbody tr {
  transition: var(--transition);
}

.data-table tbody tr:hover {
  background: var(--white-soft);
}

.data-table tbody tr:last-child td {
  border-bottom: none;
}

/* ── BADGES ─────────────────────────────────────────────────────────────────── */
.badge {
  display: inline-flex;
  align-items: center;
  padding: 4px 12px;
  border-radius: 20px;
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 0.3px;
  text-transform: capitalize;
}

.badge-ok, .badge-paid, .badge-received, .badge-success, .badge-green { background: var(--green-soft); color: #065F46; }
.badge-low, .badge-warning, .badge-partial, .badge-invoiced, .badge-gold { background: #FEF3C7; color: #92400E; }
.badge-out, .badge-cancelled, .badge-error, .badge-red { background: var(--red-soft); color: #991B1B; }
.badge-watch, .badge-draft, .badge-confirmed, .badge-sent, .badge-blue { background: var(--blue-soft); color: #1E40AF; }
.badge-navy { background: #E0E7FF; color: var(--navy-700); }
.badge-admin { background: #EDE9FE; color: #5B21B6; }
.badge-manager { background: var(--blue-soft); color: #1E40AF; }
.badge-staff, .badge-owner { background: var(--green-soft); color: #065F46; }
.badge-viewer { background: var(--slate-100); color: var(--slate-400); }

/* ── BUTTONS ────────────────────────────────────────────────────────────────── */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 11px 20px;
  border-radius: var(--radius-md);
  font-size: 14px;
  font-weight: 600;
  cursor: pointer;
  text-decoration: none;
  border: none;
  transition: var(--transition);
  white-space: nowrap;
  box-shadow: var(--shadow-sm);
}

.btn-primary {
  background: linear-gradient(135deg, var(--gold) 0%, var(--gold-light) 100%);
  color: var(--navy-900);
}

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

.btn-navy {
  background: linear-gradient(135deg, var(--navy-800) 0%, var(--navy-700) 100%);
  color: var(--white);
}

.btn-navy:hover {
  background: var(--navy-700);
  transform: translateY(-1px);
}

.btn-outline {
  background: var(--white);
  color: var(--navy-700);
  border: 1.5px solid var(--slate-200);
}

.btn-outline:hover {
  border-color: var(--gold);
  color: var(--gold-dark);
}

.btn-sm {
  padding: 8px 16px;
  font-size: 13px;
}

/* ── FORMS ──────────────────────────────────────────────────────────────────── */
.form-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 20px;
}

.form-group {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.form-group.full {
  grid-column: 1 / -1;
}

label {
  font-size: 13px;
  font-weight: 600;
  color: var(--navy-700);
  letter-spacing: 0.2px;
}

input, select, textarea {
  padding: 12px 16px;
  border: 1.5px solid var(--slate-200);
  border-radius: var(--radius-md);
  font-size: 14px;
  color: var(--navy-900);
  background: var(--white);
  transition: var(--transition);
  font-family: inherit;
}

input:focus, select:focus, textarea:focus {
  outline: none;
  border-color: var(--gold);
  box-shadow: 0 0 0 3px rgba(212,175,55,0.1);
}

textarea {
  resize: vertical;
  min-height: 100px;
}

.form-actions {
  margin-top: 28px;
  display: flex;
  gap: 12px;
}

/* ── GRID ───────────────────────────────────────────────────────────────────── */
.grid-2 { display: grid; grid-template-columns: 1fr 1fr; gap: 24px; }
.grid-3 { display: grid; grid-template-columns: 1fr 1fr 1fr; gap: 24px; }

/* ── UTILITIES ──────────────────────────────────────────────────────────────── */
.mt-4 { margin-top: 20px; }
.mt-6 { margin-top: 32px; }
.fw-bold { font-weight: 700; }
.text-center { text-align: center; }
.text-right { text-align: right; }
.text-muted { color: var(--slate-400); }
.text-teal, .text-green { color: var(--green); }
.text-red { color: var(--red); }
.text-gold { color: var(--gold-dark); }
.text-navy { color: var(--navy-700); }

/* ── LOGIN PAGE ─────────────────────────────────────────────────────────────── */
.login-page {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  background: linear-gradient(135deg, var(--navy-900) 0%, var(--navy-1000) 100%);
  position: relative;
  overflow: hidden;
}

.login-page::before {
  content: '';
  position: absolute;
  width: 600px;
  height: 600px;
  background: radial-gradient(circle, rgba(212,175,55,0.15) 0%, transparent 70%);
  top: -200px;
  right: -200px;
  border-radius: 50%;
}

.login-box {
  background: var(--white);
  border-radius: var(--radius-lg);
  padding: 48px;
  width: 100%;
  max-width: 420px;
  box-shadow: var(--shadow-xl);
  position: relative;
  z-index: 1;
}

.login-logo {
  text-align: center;
  margin-bottom: 36px;
}

.login-logo .icon {
  width: 64px;
  height: 64px;
  margin: 0 auto 16px;
  background: linear-gradient(135deg, var(--gold) 0%, var(--gold-light) 100%);
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 32px;
  box-shadow: 0 8px 24px rgba(212,175,55,0.3);
}

.login-logo h2 {
  font-size: 26px;
  font-weight: 700;
  color: var(--navy-900);
  margin-bottom: 6px;
  letter-spacing: -0.5px;
}

.login-logo p {
  font-size: 14px;
  color: var(--slate-400);
  font-weight: 500;
}

/* ══════════════════════════════════════════════════════════════════════════════
   KALSONI BRANDING & LOADING ANIMATION
   ══════════════════════════════════════════════════════════════════════════════ */

.kalsoni-logo {
  width: 140px;
  height: auto;
}

/* Butterfly Loading Spinner */
.loading-overlay {
  position: fixed;
  top: 0; left: 0;
  width: 100vw;
  height: 100vh;
  background: rgba(10,14,39,0.95);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 9999;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.3s ease;
}

.loading-overlay.active {
  opacity: 1;
  pointer-events: all;
}

.butterfly-spinner {
  width: 80px;
  height: 80px;
  position: relative;
  animation: butterfly-fly 2s ease-in-out infinite;
}

.butterfly-spinner::before,
.butterfly-spinner::after {
  content: '';
  position: absolute;
  width: 40px;
  height: 50px;
  background: linear-gradient(135deg, #1E40AF 0%, #7C3AED 100%);
  border-radius: 50% 50% 50% 0;
  animation: butterfly-flap 0.6s ease-in-out infinite;
}

.butterfly-spinner::before {
  left: 0;
  transform-origin: 100% 50%;
}

.butterfly-spinner::after {
  right: 0;
  transform: scaleX(-1);
  transform-origin: 0% 50%;
  animation-delay: 0.1s;
}

@keyframes butterfly-fly {
  0%, 100% { transform: translateY(0) rotate(0deg); }
  25% { transform: translateY(-20px) rotate(-5deg); }
  75% { transform: translateY(20px) rotate(5deg); }
}

@keyframes butterfly-flap {
  0%, 100% { transform: rotateY(0deg); }
  50% { transform: rotateY(-30deg); }
}

.loading-text {
  position: absolute;
  bottom: -40px;
  color: var(--gold-light);
  font-size: 14px;
  font-weight: 600;
  letter-spacing: 1px;
  animation: pulse 1.5s ease-in-out infinite;
}

@keyframes pulse {
  0%, 100% { opacity: 0.6; }
  50% { opacity: 1; }
}

/* ══════════════════════════════════════════════════════════════════════════════
   RESPONSIVE
   ══════════════════════════════════════════════════════════════════════════════ */

@media (max-width: 1024px) {
  .grid-2, .grid-3, .form-grid { grid-template-columns: 1fr; }
}

/* ── MOBILE RESPONSIVE ───────────────────────────────────────────────────── */
.mobile-header {
  display: none;
  position: fixed;
  top: 0; left: 0; right: 0;
  height: 56px;
  background: var(--navy-900, #0f172a);
  align-items: center;
  justify-content: space-between;
  padding: 0 16px;
  z-index: 1000;
  box-shadow: 0 2px 8px rgba(0,0,0,0.3);
}

.hamburger {
  background: none;
  border: none;
  cursor: pointer;
  padding: 8px;
  display: flex;
  flex-direction: column;
  gap: 5px;
}
.hamburger span {
  display: block;
  width: 24px;
  height: 2px;
  background: #fff;
  border-radius: 2px;
  transition: all 0.3s;
}
.hamburger.active span:nth-child(1) { transform: rotate(45deg) translate(5px, 5px); }
.hamburger.active span:nth-child(2) { opacity: 0; }
.hamburger.active span:nth-child(3) { transform: rotate(-45deg) translate(5px, -5px); }

.sidebar-overlay {
  display: none;
  position: fixed;
  inset: 0;
  background: rgba(0,0,0,0.5);
  z-index: 998;
}
.sidebar-overlay.active { display: block; }

@media (max-width: 768px) {
  .mobile-header { display: flex; }

  .layout {
    flex-direction: column;
    padding-top: 56px;
  }

  .sidebar {
    position: fixed;
    top: 56px;
    left: -280px;
    width: 260px;
    height: calc(100vh - 56px);
    z-index: 999;
    transition: left 0.3s ease;
    overflow-y: auto;
  }

  .sidebar.open { left: 0; }

  .main {
    width: 100%;
    min-height: calc(100vh - 56px);
    padding: 12px;
  }

  .topbar {
    flex-wrap: wrap;
    gap: 8px;
    padding: 12px 0;
  }

  .topbar-actions {
    flex-wrap: wrap;
    gap: 6px;
  }

  .metrics {
    grid-template-columns: 1fr 1fr;
    gap: 10px;
  }

  .metric-value {
    font-size: 20px !important;
  }

  .data-table {
    font-size: 13px;
  }

  .card {
    padding: 12px;
  }

  .form-grid {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 480px) {
  .metrics { grid-template-columns: 1fr; }
  .data-table th, .data-table td { padding: 8px 6px; }
}

/* MOBILE SIDEBAR FIX — ensures content is not cut off */
@media (max-width: 1024px) {

    /* Ensure sidebar overlays ABOVE content fully */
    .sidebar {
        width: 260px !important;
        position: fixed !important;
        left: -260px !important;
        top: 0;
        height: 100vh;
        z-index: 9999 !important;
        background: var(--navy-900); /* fallback */
    }

    /* When open */
    .sidebar.open {
        left: 0 !important;
    }

    /* Push page right when sidebar opens */
    body.sidebar-open .main {
        transform: translateX(260px);
        transition: transform 0.3s ease;
    }

    /* Prevent content from being cut off */
    .main {
        width: 100%;
        position: relative;
        overflow-x: hidden !important;
        margin-left: 0 !important;
    }
}