/* LEAN Business Solutions — web arayüz teması (turuncu marka) */
:root {
  --lean-blue: #ff3d00;
  --lean-blue-hover: #ff6d00;
  --lean-blue-dark: #c62800;
  --lean-amber: #ff9100;
  --lean-accent: #00a86b;
  --lean-bg: #f7f3f0;
  --lean-surface: #ffffff;
  --lean-text: #1a1a1a;
  --lean-muted: #5c6b7a;
  --lean-border: #ead9d0;
  --lean-shadow: 0 4px 24px rgba(198, 40, 0, 0.08);
  --lean-radius: 12px;
  --lean-radius-sm: 8px;
}

html {
  font-size: 15px;
}

body.lean-body {
  font-family: "Segoe UI", system-ui, -apple-system, sans-serif;
  color: var(--lean-text);
  background: var(--lean-bg);
  min-height: 100vh;
  margin-bottom: 0;
  display: flex;
  flex-direction: column;
}

.lean-navbar {
  background: linear-gradient(90deg, #ff3d00 0%, #ff9100 100%) !important;
  box-shadow: 0 2px 16px rgba(198, 40, 0, 0.28);
  padding-top: 0.65rem;
  padding-bottom: 0.65rem;
}

.lean-navbar .navbar-brand {
  font-weight: 700;
  font-size: 1.25rem;
  letter-spacing: -0.02em;
  color: #fff !important;
}

.lean-nav-logo {
  height: 36px;
  width: auto;
  max-width: 200px;
  object-fit: contain;
}

/* Turuncu şeritte renkli logo kaybolmasın: tek renk beyaz + hafif gölge */
.lean-navbar .lean-nav-logo {
  filter: brightness(0) invert(1) drop-shadow(0 1px 2px rgba(0, 0, 0, 0.2));
}

.lean-navbar .nav-link {
  color: rgba(255, 255, 255, 0.9) !important;
  font-weight: 500;
  padding: 0.5rem 0.85rem !important;
  border-radius: var(--lean-radius-sm);
  transition: background 0.15s, color 0.15s;
}

.lean-navbar .nav-link:hover {
  background: rgba(255, 255, 255, 0.12);
  color: #fff !important;
}

.lean-navbar .nav-link.text-white-50 {
  color: rgba(255, 255, 255, 0.65) !important;
  font-size: 0.875rem;
}

.lean-navbar .navbar-toggler {
  border-color: rgba(255, 255, 255, 0.35);
}

.lean-navbar .navbar-toggler-icon {
  filter: invert(1);
}

main.lean-main {
  flex: 1;
  padding-top: 1.5rem;
  padding-bottom: 2rem;
}

.lean-footer {
  margin-top: auto;
  background: var(--lean-surface);
  border-top: 1px solid var(--lean-border);
  padding: 1rem 0;
  font-size: 0.875rem;
  color: var(--lean-muted);
}

.lean-footer a {
  color: var(--lean-blue);
  text-decoration: none;
}

/* Ana sayfa kahraman */
.lean-hero {
  background: linear-gradient(145deg, var(--lean-surface) 0%, #fff0e8 100%);
  border-radius: var(--lean-radius);
  border: 1px solid var(--lean-border);
  box-shadow: var(--lean-shadow);
  padding: 3rem 2rem;
  text-align: center;
  max-width: 720px;
  margin: 2rem auto;
}

.lean-hero h1 {
  font-weight: 700;
  color: var(--lean-blue-dark);
  letter-spacing: -0.03em;
}

.lean-hero .lead {
  color: var(--lean-muted);
}

/* Ana sayfa (yeni düzen) */
.lean-home-hero {
  background: linear-gradient(135deg, #ffffff 0%, #fff3eb 45%, #faf6f3 100%);
  border: 1px solid var(--lean-border);
  border-radius: var(--lean-radius);
  box-shadow: var(--lean-shadow);
  padding: 2.5rem 2rem;
}

.lean-home-badge {
  display: inline-block;
  font-size: 0.8rem;
  font-weight: 600;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  color: var(--lean-blue);
  background: rgba(255, 61, 0, 0.1);
  padding: 0.35rem 0.75rem;
  border-radius: 999px;
}

.lean-home-title {
  font-size: clamp(1.75rem, 4vw, 2.35rem);
  font-weight: 800;
  letter-spacing: -0.035em;
  color: var(--lean-blue-dark);
  line-height: 1.15;
}

.lean-home-lead {
  font-size: 1.05rem;
  color: var(--lean-muted);
  line-height: 1.55;
  max-width: 36rem;
}

.lean-home-hero-art {
  aspect-ratio: 4/3;
  border-radius: var(--lean-radius);
  background: linear-gradient(160deg, #ff3d00 0%, #ff9100 100%);
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 12px 40px rgba(198, 40, 0, 0.35);
}

.lean-home-hero-art i {
  font-size: 5rem;
  color: rgba(255, 255, 255, 0.92);
}

.lean-feature-card {
  background: var(--lean-surface);
  border: 1px solid var(--lean-border);
  border-radius: var(--lean-radius);
  padding: 1.35rem 1.25rem;
  box-shadow: 0 2px 12px rgba(198, 40, 0, 0.06);
  transition: box-shadow 0.2s, transform 0.2s;
}

.lean-feature-card:hover {
  box-shadow: 0 8px 28px rgba(198, 40, 0, 0.1);
  transform: translateY(-2px);
}

.lean-feature-icon {
  font-size: 1.75rem;
  margin-bottom: 0.75rem;
  opacity: 0.95;
}

.lean-home-cta-bottom {
  background: var(--lean-surface);
  border-color: var(--lean-border) !important;
  max-width: 520px;
  margin-left: auto;
  margin-right: auto;
}

.lean-btn-primary {
  background: var(--lean-blue);
  border: none;
  font-weight: 600;
  padding: 0.6rem 1.4rem;
  border-radius: var(--lean-radius-sm);
  box-shadow: 0 2px 8px rgba(255, 61, 0, 0.35);
}

.lean-btn-primary:hover {
  background: var(--lean-blue-hover);
}

.lean-btn-outline {
  border: 2px solid var(--lean-blue);
  color: var(--lean-blue);
  font-weight: 600;
  padding: 0.55rem 1.35rem;
  border-radius: var(--lean-radius-sm);
}

.lean-btn-outline:hover {
  background: var(--lean-blue);
  color: #fff;
}

/* Giriş sayfası */
.lean-login-page {
  min-height: 100vh;
  margin: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: clamp(1rem, 4vw, 2rem);
  background:
    radial-gradient(ellipse 120% 80% at 50% -20%, rgba(255, 255, 255, 0.18), transparent 55%),
    linear-gradient(165deg, #8c1d00 0%, #ff3d00 42%, #ff9100 100%);
  font-family: "Segoe UI", system-ui, sans-serif;
}

.lean-login-wrap {
  width: 100%;
  max-width: 400px;
}

.lean-login-brand {
  text-align: center;
  margin-bottom: 1.5rem;
  color: #fff;
}

.lean-login-brand .logo-mark {
  width: 64px;
  height: 64px;
  background: rgba(255, 255, 255, 0.18);
  border-radius: 18px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 1rem;
  backdrop-filter: blur(10px);
  border: 1px solid rgba(255, 255, 255, 0.22);
  box-shadow: 0 8px 32px rgba(0, 0, 0, 0.12);
}

.lean-login-brand .logo-mark i {
  font-size: 1.85rem;
  color: #fff;
}

.lean-login-logo-img {
  display: block;
  margin: 0 auto 0.35rem;
  max-width: min(100%, 260px);
  height: auto;
  filter: brightness(0) invert(1) drop-shadow(0 2px 14px rgba(0, 0, 0, 0.28));
}

.lean-login-brand-title {
  font-size: 1.65rem;
  font-weight: 800;
  margin: 0;
  letter-spacing: -0.03em;
  color: #fff;
}

.lean-login-brand-tag {
  margin: 0.4rem 0 0;
  opacity: 0.88;
  font-size: 0.9rem;
  font-weight: 500;
  letter-spacing: 0.02em;
}

.lean-login-card {
  background: var(--lean-surface);
  border-radius: var(--lean-radius);
  box-shadow:
    0 4px 6px rgba(120, 40, 20, 0.06),
    0 20px 50px rgba(80, 24, 8, 0.18);
  padding: clamp(1.5rem, 4vw, 2rem);
  border: 1px solid rgba(255, 255, 255, 0.35);
}

.lean-login-intro {
  text-align: center;
  margin-bottom: 1.5rem;
}

.lean-login-title {
  font-size: 1.35rem;
  font-weight: 700;
  color: var(--lean-blue-dark);
  margin: 0 0 0.35rem;
  letter-spacing: -0.02em;
}

.lean-login-sub {
  margin: 0;
  font-size: 0.9rem;
  color: var(--lean-muted);
  line-height: 1.45;
}

.lean-login-form .form-label {
  font-weight: 600;
  font-size: 0.8125rem;
  color: var(--lean-text);
  margin-bottom: 0.35rem;
}

.lean-login-form .form-control {
  border-radius: var(--lean-radius-sm);
  border: 1px solid var(--lean-border);
  padding: 0.65rem 0.85rem;
  font-size: 0.95rem;
}

.lean-login-form .form-control:focus {
  border-color: var(--lean-blue);
  box-shadow: 0 0 0 3px rgba(255, 61, 0, 0.22);
}

.lean-login-submit {
  padding: 0.75rem 1rem;
  font-weight: 600;
  font-size: 0.95rem;
  border-radius: var(--lean-radius-sm);
  background: var(--lean-blue);
  border: none;
  transition: background 0.15s, transform 0.1s;
}

.lean-login-submit:hover {
  background: var(--lean-blue-hover);
}

.lean-login-submit:active {
  transform: scale(0.99);
}

.lean-login-footnote {
  font-size: 0.8rem;
  color: var(--lean-muted);
  text-align: center;
  margin: 1.25rem 0 0;
  line-height: 1.5;
  padding-top: 0.25rem;
  border-top: 1px solid var(--lean-border);
}

.lean-login-back {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 100%;
  margin-top: 1.35rem;
  padding: 0.5rem;
  color: rgba(255, 255, 255, 0.92);
  font-size: 0.875rem;
  font-weight: 500;
  text-decoration: none;
  border-radius: var(--lean-radius-sm);
  transition: background 0.15s, color 0.15s;
}

.lean-login-back:hover {
  color: #fff;
  background: rgba(255, 255, 255, 0.1);
}

/* Yönetim paneli */
.lean-admin-topbar {
  background: linear-gradient(90deg, #c62800, #ff3d00 55%, #ff9100);
  color: #fff;
  padding: 0.65rem 1.25rem;
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 0.75rem;
  box-shadow: 0 2px 12px rgba(120, 40, 20, 0.22);
}

.lean-admin-topbar a {
  color: #fff;
  text-decoration: none;
  font-weight: 600;
}

.lean-admin-topbar a:hover {
  opacity: 0.92;
}

.lean-admin-topbar .sep {
  opacity: 0.4;
  margin: 0 0.25rem;
}

.lean-admin-topbar .ms-auto {
  display: flex;
  align-items: center;
  gap: 1rem;
  font-size: 0.9rem;
}

.lean-admin-shell {
  display: flex;
  flex: 1;
  min-height: calc(100vh - 48px);
}

.lean-admin-sidebar {
  width: 260px;
  flex-shrink: 0;
  background: var(--lean-surface);
  border-right: 1px solid var(--lean-border);
  padding: 1.25rem 0;
  position: relative;
  z-index: 2;
}

.lean-admin-sidebar .nav-link {
  color: var(--lean-text);
  padding: 0.65rem 1.25rem;
  font-weight: 500;
  border-radius: 0;
  border-left: 3px solid transparent;
}

.lean-admin-sidebar .nav-link:hover {
  background: var(--lean-bg);
  color: var(--lean-blue);
}

.lean-admin-sidebar .nav-link.active {
  background: rgba(255, 61, 0, 0.08);
  color: var(--lean-blue);
  border-left-color: var(--lean-blue);
}

.lean-admin-sidebar .nav-section {
  font-size: 0.7rem;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--lean-muted);
  padding: 1rem 1.25rem 0.35rem;
  font-weight: 700;
}

.lean-admin-main {
  flex: 1;
  padding: 1.75rem 2rem;
  overflow-x: auto;
  background: var(--lean-bg);
}

.lean-page-title {
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--lean-blue-dark);
  margin-bottom: 0.35rem;
  letter-spacing: -0.02em;
}

.lean-page-sub {
  color: var(--lean-muted);
  font-size: 0.95rem;
  margin-bottom: 1.5rem;
}

.lean-card-panel {
  background: var(--lean-surface);
  border-radius: var(--lean-radius);
  border: 1px solid var(--lean-border);
  box-shadow: var(--lean-shadow);
  padding: 1.35rem 1.5rem;
  margin-bottom: 1.5rem;
}

.lean-card-panel h5,
.lean-card-panel h6 {
  font-weight: 600;
  color: var(--lean-text);
  margin-bottom: 1rem;
}

.lean-table-wrap {
  background: var(--lean-surface);
  border-radius: var(--lean-radius);
  border: 1px solid var(--lean-border);
  overflow: hidden;
  box-shadow: var(--lean-shadow);
}

.table.lean-table {
  margin-bottom: 0;
}

.table.lean-table thead {
  background: linear-gradient(180deg, #f8fafc 0%, #eef2f7 100%);
}

.table.lean-table thead th {
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  color: var(--lean-muted);
  font-weight: 700;
  border-bottom: 2px solid var(--lean-border);
  padding: 0.85rem 1rem;
}

.table.lean-table tbody td {
  padding: 0.75rem 1rem;
  vertical-align: middle;
}

/* Yönetim kart grid (dashboard) */
.lean-dash-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(240px, 1fr));
  gap: 1.25rem;
  margin-top: 0.5rem;
}

.lean-dash-card {
  display: block;
  background: var(--lean-surface);
  border: 1px solid var(--lean-border);
  border-radius: var(--lean-radius);
  padding: 1.5rem;
  text-decoration: none;
  color: inherit;
  box-shadow: var(--lean-shadow);
  transition: transform 0.15s, box-shadow 0.15s;
}

.lean-dash-card:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 28px rgba(198, 40, 0, 0.12);
  border-color: var(--lean-blue);
  color: inherit;
}

.lean-dash-card .icon {
  width: 44px;
  height: 44px;
  border-radius: 10px;
  background: rgba(255, 61, 0, 0.12);
  color: var(--lean-blue);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.35rem;
  margin-bottom: 0.85rem;
}

.lean-dash-card h3 {
  font-size: 1.05rem;
  font-weight: 700;
  margin: 0 0 0.35rem;
  color: var(--lean-text);
}

.lean-dash-card p {
  margin: 0;
  font-size: 0.875rem;
  color: var(--lean-muted);
}

@media (max-width: 991.98px) {
  .lean-admin-shell {
    flex-direction: column;
  }

  .lean-admin-sidebar {
    width: 100%;
    border-right: none;
    border-bottom: 1px solid var(--lean-border);
    padding: 0.5rem 0;
  }

  .lean-admin-sidebar .nav {
    flex-direction: row !important;
    flex-wrap: wrap;
    padding: 0 0.5rem;
  }

  .lean-admin-sidebar .nav-section {
    width: 100%;
    padding-top: 0.5rem;
  }

  .lean-admin-sidebar .nav-link {
    border-left: none;
    border-bottom: 3px solid transparent;
    padding: 0.5rem 0.75rem;
  }

  .lean-admin-sidebar .nav-link.active {
    border-left: none;
    border-bottom-color: var(--lean-blue);
  }
}