/* ================================================
   PREMIUM DARK THEME — Million Dollar Startup
   ================================================ */

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

:root {
  --bg:             #080810;
  --surface:        #0e0e1a;
  --card:           #12121f;
  --card-hover:     #161625;
  --border:         rgba(255,255,255,0.06);
  --border-hover:   rgba(255,255,255,0.12);
  --accent:         #7c3aed;
  --accent-2:       #4f46e5;
  --accent-light:   #a78bfa;
  --accent-glow:    rgba(124,58,237,0.25);
  --accent-subtle:  rgba(124,58,237,0.08);
  --text:           #f1f0f9;
  --text-2:         #9490b5;
  --text-3:         #4a4870;
  --success:        #10b981;
  --success-bg:     rgba(16,185,129,0.08);
  --warning:        #f59e0b;
  --warning-bg:     rgba(245,158,11,0.08);
  --danger:         #f43f5e;
  --danger-bg:      rgba(244,63,94,0.08);
  --info:           #38bdf8;
  --info-bg:        rgba(56,189,248,0.08);
  --radius-sm:      8px;
  --radius:         12px;
  --radius-lg:      16px;
  --radius-xl:      24px;
  --shadow:         0 4px 24px rgba(0,0,0,0.4);
  --shadow-lg:      0 8px 48px rgba(0,0,0,0.6);
  --transition:     all 0.2s cubic-bezier(0.4,0,0.2,1);
}

/* ---- RESET & BASE ---- */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

html { scroll-behavior: smooth; }

body {
  background: var(--bg) !important;
  color: var(--text) !important;
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif !important;
  font-size: 15px !important;
  line-height: 1.65 !important;
  -webkit-font-smoothing: antialiased !important;
  -moz-osx-font-smoothing: grayscale !important;
  min-height: 100vh;
}

/* Gradient background mesh */
body::before {
  content: '';
  position: fixed;
  top: -50%;
  left: -50%;
  width: 200%;
  height: 200%;
  background:
    radial-gradient(ellipse at 20% 20%, rgba(124,58,237,0.06) 0%, transparent 50%),
    radial-gradient(ellipse at 80% 80%, rgba(79,70,229,0.04) 0%, transparent 50%);
  pointer-events: none;
  z-index: 0;
}

.container { position: relative; z-index: 1; max-width: 1280px !important; }

/* ---- TYPOGRAPHY ---- */
h1, h2, h3, h4, h5, h6 {
  color: var(--text) !important;
  font-weight: 700 !important;
  letter-spacing: -0.03em !important;
  line-height: 1.25 !important;
}

h1 { font-size: clamp(1.6rem, 4vw, 2.4rem) !important; }
h2 { font-size: clamp(1.3rem, 3vw, 1.8rem) !important; }
h3 { font-size: clamp(1.1rem, 2.5vw, 1.4rem) !important; }
h4 { font-size: 1.1rem !important; }
h5, h6 { font-size: 0.95rem !important; }

p { color: var(--text-2) !important; }
a { color: var(--accent-light) !important; text-decoration: none !important; transition: var(--transition); }
a:hover { color: var(--text) !important; }

.text-muted { color: var(--text-3) !important; }
.text-secondary { color: var(--text-2) !important; }
hr { border-color: var(--border) !important; margin: 1.5rem 0 !important; }

/* ---- NAVBAR ---- */
.navbar {
  background: rgba(8,8,16,0.8) !important;
  border-bottom: 1px solid var(--border) !important;
  backdrop-filter: blur(20px) saturate(180%) !important;
  -webkit-backdrop-filter: blur(20px) saturate(180%) !important;
  padding: 1rem 0 !important;
  position: sticky !important;
  top: 0 !important;
  z-index: 1000 !important;
}

.navbar-brand {
  font-size: 1.2rem !important;
  font-weight: 800 !important;
  color: var(--text) !important;
  letter-spacing: -0.04em !important;
  background: linear-gradient(135deg, var(--text) 0%, var(--accent-light) 100%);
  -webkit-background-clip: text !important;
  -webkit-text-fill-color: transparent !important;
  background-clip: text !important;
}

.nav-link {
  color: var(--text-2) !important;
  font-weight: 500 !important;
  font-size: 0.875rem !important;
  padding: 0.45rem 0.9rem !important;
  border-radius: var(--radius-sm) !important;
  transition: var(--transition) !important;
}

.nav-link:hover {
  color: var(--text) !important;
  background: var(--border) !important;
}

/* ---- BUTTONS ---- */
.btn {
  font-family: 'Inter', sans-serif !important;
  font-weight: 600 !important;
  font-size: 0.875rem !important;
  border-radius: var(--radius-sm) !important;
  padding: 0.55rem 1.25rem !important;
  border: none !important;
  cursor: pointer !important;
  transition: var(--transition) !important;
  display: inline-flex !important;
  align-items: center !important;
  gap: 0.4rem !important;
  white-space: nowrap !important;
}

.btn-primary, .btn-outline-primary {
  background: linear-gradient(135deg, var(--accent) 0%, var(--accent-2) 100%) !important;
  color: #fff !important;
  box-shadow: 0 0 0 0 var(--accent-glow);
}

.btn-primary:hover, .btn-outline-primary:hover {
  transform: translateY(-2px) !important;
  box-shadow: 0 8px 25px var(--accent-glow) !important;
  filter: brightness(1.1) !important;
}

.btn-primary:active, .btn-outline-primary:active {
  transform: translateY(0) !important;
}

.btn-secondary, .btn-light {
  background: var(--card) !important;
  color: var(--text-2) !important;
  border: 1px solid var(--border) !important;
}

.btn-secondary:hover, .btn-light:hover {
  background: var(--card-hover) !important;
  color: var(--text) !important;
  border-color: var(--border-hover) !important;
}

.btn-success { background: var(--success) !important; color: #fff !important; }
.btn-danger  { background: var(--danger) !important;  color: #fff !important; }
.btn-warning { background: var(--warning) !important; color: #000 !important; }
.btn-sm { padding: 0.35rem 0.8rem !important; font-size: 0.8rem !important; }
.btn-lg { padding: 0.75rem 1.75rem !important; font-size: 1rem !important; border-radius: var(--radius) !important; }

/* ---- CARDS ---- */
.card {
  background: var(--card) !important;
  border: 1px solid var(--border) !important;
  border-radius: var(--radius-lg) !important;
  box-shadow: var(--shadow) !important;
  transition: var(--transition) !important;
  overflow: hidden !important;
}

.card:hover {
  border-color: var(--border-hover) !important;
  transform: translateY(-2px) !important;
  box-shadow: var(--shadow-lg) !important;
}

.card-header {
  background: rgba(255,255,255,0.02) !important;
  border-bottom: 1px solid var(--border) !important;
  padding: 1.25rem 1.5rem !important;
  font-weight: 600 !important;
  font-size: 0.9rem !important;
  color: var(--text) !important;
  letter-spacing: -0.01em !important;
}

.card-body   { padding: 1.5rem !important; }
.card-footer {
  background: rgba(255,255,255,0.02) !important;
  border-top: 1px solid var(--border) !important;
  padding: 1rem 1.5rem !important;
}

/* ---- SIDEBAR ---- */
.nav-pills {
  gap: 2px !important;
  display: flex !important;
  flex-direction: column !important;
}

.nav-pills .nav-link {
  color: var(--text-2) !important;
  border-radius: var(--radius-sm) !important;
  padding: 0.65rem 1rem !important;
  font-size: 0.875rem !important;
  font-weight: 500 !important;
  display: flex !important;
  align-items: center !important;
  gap: 0.65rem !important;
  transition: var(--transition) !important;
  position: relative !important;
}

.nav-pills .nav-link:hover {
  background: var(--card) !important;
  color: var(--text) !important;
}

.nav-pills .nav-link.active {
  background: var(--accent-subtle) !important;
  color: var(--accent-light) !important;
  font-weight: 600 !important;
}

.nav-pills .nav-link.active::before {
  content: '';
  position: absolute;
  left: 0;
  top: 20%;
  height: 60%;
  width: 3px;
  background: var(--accent);
  border-radius: 0 3px 3px 0;
}

/* ---- TABLES ---- */
.table-responsive { border-radius: var(--radius-lg) !important; overflow: hidden !important; }

.table {
  color: var(--text) !important;
  border-color: var(--border) !important;
  margin-bottom: 0 !important;
}

.table thead tr {
  background: var(--surface) !important;
}

.table thead th {
  border-bottom: 1px solid var(--border) !important;
  color: var(--text-3) !important;
  font-size: 0.72rem !important;
  font-weight: 600 !important;
  text-transform: uppercase !important;
  letter-spacing: 0.08em !important;
  padding: 1rem 1.25rem !important;
  white-space: nowrap !important;
}

.table tbody tr {
  border-color: var(--border) !important;
  transition: background 0.15s !important;
}

.table tbody tr:hover { background: rgba(255,255,255,0.02) !important; }

.table tbody td {
  padding: 1rem 1.25rem !important;
  vertical-align: middle !important;
  font-size: 0.875rem !important;
  border-color: var(--border) !important;
}

/* ---- FORMS ---- */
.form-control, .form-select {
  background: var(--surface) !important;
  border: 1px solid var(--border) !important;
  border-radius: var(--radius-sm) !important;
  color: var(--text) !important;
  font-family: 'Inter', sans-serif !important;
  font-size: 0.9rem !important;
  padding: 0.65rem 1rem !important;
  transition: var(--transition) !important;
  height: auto !important;
}

.form-control:focus, .form-select:focus {
  background: var(--surface) !important;
  border-color: var(--accent) !important;
  box-shadow: 0 0 0 3px var(--accent-glow) !important;
  color: var(--text) !important;
  outline: none !important;
}

.form-control::placeholder { color: var(--text-3) !important; }

.form-label {
  color: var(--text-2) !important;
  font-size: 0.82rem !important;
  font-weight: 600 !important;
  letter-spacing: 0.01em !important;
  margin-bottom: 0.5rem !important;
  display: block !important;
}

.form-text { color: var(--text-3) !important; font-size: 0.8rem !important; }

.input-group-text {
  background: var(--card) !important;
  border-color: var(--border) !important;
  color: var(--text-2) !important;
  font-size: 0.875rem !important;
}

/* ---- BADGES ---- */
.badge {
  border-radius: 6px !important;
  font-weight: 600 !important;
  font-size: 0.72rem !important;
  padding: 0.3em 0.65em !important;
  letter-spacing: 0.02em !important;
}

.badge.bg-success, .badge.bg-active   { background: var(--success-bg) !important; color: var(--success) !important; }
.badge.bg-danger,  .badge.bg-error    { background: var(--danger-bg)  !important; color: var(--danger)  !important; }
.badge.bg-warning, .badge.bg-pending  { background: var(--warning-bg) !important; color: var(--warning) !important; }
.badge.bg-primary                     { background: var(--accent-subtle) !important; color: var(--accent-light) !important; }
.badge.bg-secondary, .badge.bg-info   { background: var(--info-bg) !important; color: var(--info) !important; }

/* ---- ALERTS ---- */
.alert {
  border-radius: var(--radius) !important;
  border-width: 1px !important;
  border-style: solid !important;
  font-size: 0.875rem !important;
  padding: 1rem 1.25rem !important;
  display: flex !important;
  align-items: flex-start !important;
  gap: 0.75rem !important;
}

.alert-success { background: var(--success-bg) !important; border-color: rgba(16,185,129,0.2) !important; color: var(--success) !important; }
.alert-danger  { background: var(--danger-bg)  !important; border-color: rgba(244,63,94,0.2)  !important; color: var(--danger)  !important; }
.alert-warning { background: var(--warning-bg) !important; border-color: rgba(245,158,11,0.2) !important; color: var(--warning) !important; }
.alert-info    { background: var(--info-bg)    !important; border-color: rgba(56,189,248,0.2)  !important; color: var(--info)    !important; }

/* ---- DROPDOWN ---- */
.dropdown-menu {
  background: var(--card) !important;
  border: 1px solid var(--border-hover) !important;
  border-radius: var(--radius) !important;
  box-shadow: 0 16px 48px rgba(0,0,0,0.7) !important;
  padding: 0.5rem !important;
  min-width: 180px !important;
}

.dropdown-item {
  color: var(--text-2) !important;
  border-radius: var(--radius-sm) !important;
  font-size: 0.875rem !important;
  font-weight: 500 !important;
  padding: 0.55rem 0.9rem !important;
  transition: var(--transition) !important;
}

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

.dropdown-divider { border-color: var(--border) !important; }

/* ---- LIST GROUP ---- */
.list-group-item {
  background: var(--card) !important;
  border-color: var(--border) !important;
  color: var(--text) !important;
  font-size: 0.875rem !important;
  padding: 1rem 1.25rem !important;
  transition: var(--transition) !important;
}

.list-group-item:hover { background: var(--card-hover) !important; }
.list-group-item.active {
  background: var(--accent-subtle) !important;
  border-color: var(--accent) !important;
  color: var(--accent-light) !important;
}

/* ---- BREADCRUMB ---- */
.breadcrumb {
  font-size: 0.78rem !important;
  font-weight: 500 !important;
  margin-bottom: 1.5rem !important;
  background: transparent !important;
  padding: 0 !important;
}

.breadcrumb-item a { color: var(--text-3) !important; }
.breadcrumb-item a:hover { color: var(--accent-light) !important; }
.breadcrumb-item.active { color: var(--text-2) !important; }
.breadcrumb-item + .breadcrumb-item::before { color: var(--text-3) !important; }

/* ---- PAGINATION ---- */
.pagination { gap: 4px !important; }

.page-link {
  background: var(--card) !important;
  border: 1px solid var(--border) !important;
  color: var(--text-2) !important;
  border-radius: var(--radius-sm) !important;
  font-size: 0.875rem !important;
  padding: 0.5rem 0.8rem !important;
  transition: var(--transition) !important;
}

.page-link:hover { background: var(--card-hover) !important; color: var(--text) !important; border-color: var(--border-hover) !important; }
.page-item.active .page-link { background: var(--accent) !important; border-color: var(--accent) !important; color: #fff !important; }
.page-item.disabled .page-link { opacity: 0.4 !important; }

/* ---- FOOTER ---- */
footer#footer {
  border-top: 1px solid var(--border) !important;
  color: var(--text-3) !important;
  font-size: 0.78rem !important;
  padding: 2rem 0 1.5rem !important;
  margin-top: 3rem !important;
}

footer a { color: var(--text-3) !important; }
footer a:hover { color: var(--text-2) !important; }

/* ---- NAVBAR TOGGLER (mobile) ---- */
.navbar-toggler {
  border: 1px solid var(--border) !important;
  border-radius: var(--radius-sm) !important;
  padding: 0.5rem !important;
}

.navbar-toggler-icon { filter: invert(0.7) !important; }

/* ---- MODAL ---- */
.modal-content {
  background: var(--card) !important;
  border: 1px solid var(--border-hover) !important;
  border-radius: var(--radius-xl) !important;
  box-shadow: 0 24px 80px rgba(0,0,0,0.8) !important;
}

.modal-header {
  border-bottom: 1px solid var(--border) !important;
  padding: 1.5rem !important;
}

.modal-footer {
  border-top: 1px solid var(--border) !important;
  padding: 1.25rem 1.5rem !important;
}

.modal-title { font-weight: 700 !important; letter-spacing: -0.02em !important; }
.modal-backdrop { backdrop-filter: blur(4px) !important; background: rgba(0,0,0,0.7) !important; }
.btn-close { filter: invert(1) opacity(0.5) !important; }
.btn-close:hover { filter: invert(1) opacity(1) !important; }

/* ---- TABS ---- */
.nav-tabs {
  border-bottom: 1px solid var(--border) !important;
  gap: 4px !important;
  margin-bottom: 1.5rem !important;
}

.nav-tabs .nav-link {
  color: var(--text-2) !important;
  border: none !important;
  border-bottom: 2px solid transparent !important;
  border-radius: 0 !important;
  padding: 0.65rem 1rem !important;
  font-size: 0.875rem !important;
  font-weight: 500 !important;
  background: transparent !important;
  margin-bottom: -1px !important;
}

.nav-tabs .nav-link:hover { color: var(--text) !important; background: transparent !important; }
.nav-tabs .nav-link.active {
  color: var(--accent-light) !important;
  border-bottom-color: var(--accent) !important;
  background: transparent !important;
  font-weight: 600 !important;
}

/* ---- PROGRESS ---- */
.progress {
  background: var(--surface) !important;
  border-radius: 999px !important;
  height: 6px !important;
}

.progress-bar {
  background: linear-gradient(90deg, var(--accent), var(--accent-2)) !important;
  border-radius: 999px !important;
}

/* ---- SPINNER ---- */
.spinner-border { color: var(--accent) !important; }

/* ---- TOAST ---- */
.toast {
  background: var(--card) !important;
  border: 1px solid var(--border-hover) !important;
  border-radius: var(--radius) !important;
  color: var(--text) !important;
  box-shadow: var(--shadow-lg) !important;
}

/* ---- SCROLLBAR ---- */
* { scrollbar-width: thin; scrollbar-color: var(--border-hover) transparent; }
::-webkit-scrollbar { width: 5px; height: 5px; }
::-webkit-scrollbar-track { background: transparent; }
::-webkit-scrollbar-thumb { background: var(--border-hover); border-radius: 999px; }
::-webkit-scrollbar-thumb:hover { background: var(--text-3); }

/* ============================
   MOBILE — App-like experience
   ============================ */
@media (max-width: 768px) {

  body { font-size: 14px !important; }

  /* Full-screen feel */
  .container { padding: 0 !important; max-width: 100% !important; }

  /* Sticky navbar as app header */
  .navbar {
    padding: 0.75rem 1rem !important;
    border-radius: 0 !important;
    border-top: none !important;
    border-left: none !important;
    border-right: none !important;
  }

  .navbar-brand { font-size: 1.1rem !important; }

  /* Cards feel like native app cells */
  .card {
    border-radius: var(--radius) !important;
    margin: 0 1rem 0.75rem !important;
    border-left: none !important;
    border-right: none !important;
  }

  /* Full-width cards on very small screens */
  @media (max-width: 480px) {
    .card {
      border-radius: 0 !important;
      margin: 0 0 1px !important;
      border-left: none !important;
      border-right: none !important;
    }
  }

  .card-header { padding: 1rem !important; }
  .card-body   { padding: 1rem !important; }

  /* Bigger tap targets */
  .btn {
    padding: 0.7rem 1.25rem !important;
    font-size: 0.9rem !important;
    min-height: 44px !important;
  }

  .btn-block, .w-100.btn { border-radius: var(--radius) !important; }

  /* Form elements — native app feel */
  .form-control, .form-select {
    font-size: 16px !important; /* prevents iOS zoom */
    padding: 0.75rem 1rem !important;
    min-height: 48px !important;
    border-radius: var(--radius-sm) !important;
  }

  /* Table → scrollable */
  .table-responsive { margin: 0 1rem !important; border-radius: var(--radius) !important; }
  .table thead th  { font-size: 0.68rem !important; padding: 0.75rem 1rem !important; }
  .table tbody td  { font-size: 0.82rem !important; padding: 0.75rem 1rem !important; }

  /* Sidebar hidden on mobile — bottom nav feel */
  .col-3 { display: none !important; }
  .col-12.col-md-9 { width: 100% !important; padding: 0 !important; }

  /* Breadcrumb hidden on mobile */
  .breadcrumb { display: none !important; }

  /* List items — bigger touch targets */
  .list-group-item { padding: 1rem 1.25rem !important; min-height: 56px !important; display: flex !important; align-items: center !important; }

  /* Footer minimal on mobile */
  footer#footer { padding: 1.5rem 1rem !important; text-align: center !important; }

  /* Nav pills as bottom-tab-bar feel */
  .nav-pills {
    flex-direction: row !important;
    overflow-x: auto !important;
    padding: 0.5rem 1rem !important;
    gap: 4px !important;
    scrollbar-width: none !important;
  }

  .nav-pills::-webkit-scrollbar { display: none !important; }

  .nav-pills .nav-link {
    padding: 0.5rem 0.9rem !important;
    font-size: 0.8rem !important;
    white-space: nowrap !important;
    border-radius: 999px !important;
  }

  .nav-pills .nav-link.active::before { display: none !important; }
  .nav-pills .nav-link.active { border-radius: 999px !important; }

  h1 { font-size: 1.5rem !important; }
  h2 { font-size: 1.25rem !important; }
  h3 { font-size: 1.1rem !important; }

  /* Spacing */
  .mb-3 { margin-bottom: 0.75rem !important; }
  .mb-4 { margin-bottom: 1rem !important; }
  .p-3  { padding: 0.75rem !important; }
  .p-4  { padding: 1rem !important; }
}

/* ============================
   DESKTOP — Premium SaaS feel
   ============================ */
@media (min-width: 769px) {

  /* Sidebar styling */
  .col-3 {
    padding-right: 1.5rem !important;
  }

  /* Main content */
  .col-md-9 { padding-left: 1rem !important; }

  /* Hover animations on interactive elements */
  .card, .btn, .nav-link, .list-group-item {
    will-change: transform;
  }
}