/* ==========================================================
   Katraj Dairy Tender - Global Stylesheet
   ========================================================== */
:root {
  --primary: #3b3285;
  --primary-dark: #2b2464;
  --secondary: #00a0e3;
  --light-bg: #f6f7fb;
  --text-dark: #22223b;
  --text-muted: #6b7280;
  --border-color: #e5e7eb;
  --radius: 10px;
}

* { box-sizing: border-box; }

body {
  font-family: 'Poppins', sans-serif;
  color: var(--text-dark);
  background-color: #ffffff;
  font-size: 15px;
  line-height: 1.6;
}

h1, h2, h3, h4, h5, h6 { font-weight: 600; }

a { text-decoration: none; }

/* ---------- Header / Nav ---------- */
.site-header .navbar { padding: 14px 0; }
.brand-text { font-weight: 700; font-size: 1.25rem; color: var(--primary); }
.navbar-nav .nav-link { font-weight: 500; color: var(--text-dark); }
.navbar-nav .nav-link.active,
.navbar-nav .nav-link:hover { color: var(--secondary); }

.btn-primary {
  background-color: var(--primary);
  border-color: var(--primary);
}
.btn-primary:hover,
.btn-primary:focus {
  background-color: var(--primary-dark);
  border-color: var(--primary-dark);
}
.btn-outline-primary {
  color: var(--primary);
  border-color: var(--primary);
}
.btn-outline-primary:hover {
  background-color: var(--primary);
  border-color: var(--primary);
}

.text-primary-brand { color: var(--primary) !important; }
.text-secondary-brand { color: var(--secondary) !important; }
.bg-primary-brand { background-color: var(--primary) !important; }
.bg-secondary-brand { background-color: var(--secondary) !important; }

/* ---------- Hero / Banner ---------- */
.hero-banner {
  background: linear-gradient(120deg, var(--primary) 0%, var(--secondary) 100%);
  color: #fff;
  padding: 70px 0;
  border-radius: 0 0 24px 24px;
}
.hero-banner h1 { font-size: 2.4rem; font-weight: 700; }
.hero-banner p { font-size: 1.05rem; opacity: 0.92; max-width: 620px; }
.hero-banner .btn-light {
  color: var(--primary);
  font-weight: 600;
}

/* ---------- Tender cards ---------- */
.tender-card {
  border: 1px solid var(--border-color);
  border-radius: var(--radius);
  overflow: hidden;
  height: 100%;
  transition: box-shadow .2s ease, transform .2s ease;
  background: #fff;
}
.tender-card:hover {
  box-shadow: 0 10px 24px rgba(59, 50, 133, 0.12);
  transform: translateY(-3px);
}
.tender-card img {
  width: 100%;
  height: 170px;
  object-fit: cover;
  background: var(--light-bg);
}
.tender-card .card-body { padding: 18px; }
.tender-card .card-title {
  font-size: 1.02rem;
  font-weight: 600;
  margin-bottom: 6px;
}
.tender-card .meta {
  font-size: 0.85rem;
  color: var(--text-muted);
}

.status-badge {
  display: inline-block;
  padding: 4px 12px;
  border-radius: 999px;
  font-size: 0.75rem;
  font-weight: 600;
}
.status-open { background: #e6f7ee; color: #0f9d58; }
.status-closed { background: #fdecea; color: #d93025; }

/* ---------- Forms / Auth cards ---------- */
.auth-card {
  max-width: 460px;
  margin: 50px auto;
  background: #fff;
  border: 1px solid var(--border-color);
  border-radius: var(--radius);
  padding: 36px;
  box-shadow: 0 10px 30px rgba(0,0,0,0.05);
}
.auth-card h2 { color: var(--primary); margin-bottom: 6px; }
.auth-card-wide { max-width: 640px; }
.form-label { font-weight: 500; font-size: 0.9rem; }
.form-control:focus, .form-select:focus {
  border-color: var(--secondary);
  box-shadow: 0 0 0 0.2rem rgba(0, 160, 227, 0.15);
}

/* ---------- Tender details ---------- */
.tender-detail-header { background: var(--light-bg); border-radius: var(--radius); padding: 28px; }
.detail-row { border-bottom: 1px solid var(--border-color); padding: 10px 0; }
.detail-row:last-child { border-bottom: none; }
.detail-label { color: var(--text-muted); font-size: 0.85rem; }
.detail-value { font-weight: 500; }

/* ---------- Footer ---------- */
.site-footer {
  background: var(--primary);
  color: #ece9ff;
  padding: 50px 0 20px;
  margin-top: 60px;
}
.site-footer h5, .site-footer h6 { color: #fff; }
.site-footer hr { border-color: rgba(255,255,255,0.15); margin: 30px 0 16px; }
.footer-links li { margin-bottom: 8px; }
.footer-links a { color: #d9d5ff; }
.footer-links a:hover { color: var(--secondary); }
.social-icons a {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 34px;
  height: 34px;
  border-radius: 50%;
  background: rgba(255,255,255,0.12);
  color: #fff;
  margin-right: 8px;
  font-size: 0.75rem;
  font-weight: 600;
}
.site-footer p.small { color: #c9c5f2; }

/* ---------- Admin ---------- */
.admin-sidebar {
  background: var(--primary);
  min-height: 100vh;
  color: #fff;
  padding: 24px 0;
}
.admin-sidebar .brand { padding: 0 20px 20px; font-weight: 700; font-size: 1.1rem; }
.admin-sidebar a {
  display: block;
  padding: 12px 20px;
  color: #d9d5ff;
  font-weight: 500;
}
.admin-sidebar a.active,
.admin-sidebar a:hover { background: rgba(255,255,255,0.08); color: #fff; }
.admin-content { padding: 28px; background: var(--light-bg); min-height: 100vh; }
.stat-card {
  background: #fff;
  border-radius: var(--radius);
  padding: 22px;
  border: 1px solid var(--border-color);
}
.stat-card .value { font-size: 1.8rem; font-weight: 700; color: var(--primary); }
.stat-card .label { color: var(--text-muted); font-size: 0.85rem; }
.admin-table thead { background: var(--light-bg); }

/* ==========================================================
   Responsive / Mobile (max-width: 767.98px)
   ========================================================== */
@media (max-width: 767.98px) {
  /* Navbar */
  .brand-text { font-size: 1.05rem; }

  /* Hero banner */
  .hero-banner { padding: 42px 0; border-radius: 0 0 16px 16px; }
  .hero-banner h1 { font-size: 1.6rem; }
  .hero-banner p { font-size: 0.95rem; }
  .hero-banner .btn-lg { width: 100%; }

  /* Section headings/spacing */
  main .container { padding-left: 16px; padding-right: 16px; }
  section.my-5, div.my-5 { margin-top: 2rem !important; margin-bottom: 2rem !important; }

  /* Tender cards */
  .tender-card img { height: 150px; }
  .tender-card .card-body { padding: 14px; }

  /* Auth / form cards (login, register, apply) */
  .auth-card {
    margin: 24px auto;
    padding: 22px 18px;
    border-radius: 8px;
    box-shadow: none;
    border: none;
  }
  .auth-card h2 { font-size: 1.35rem; }

  /* Tender details */
  .tender-detail-header { padding: 18px; }
  .tender-detail-header h1 { font-size: 1.25rem; }

  /* Footer */
  .site-footer { padding: 34px 0 16px; margin-top: 36px; }
  .site-footer .col-md-4 { text-align: left; }

  /* Buttons that should go full-width on small screens */
  .tender-card .btn { font-size: 0.85rem; }
}

/* ==========================================================
   Admin panel — mobile sidebar becomes a horizontal scroll bar
   ========================================================== */
@media (max-width: 991.98px) {
  .admin-sidebar {
    min-height: auto;
    display: flex;
    flex-wrap: nowrap;
    overflow-x: auto;
    -webkit-overflow-scrolling: touch;
    padding: 10px 0;
    position: sticky;
    top: 0;
    z-index: 20;
  }
  .admin-sidebar .brand { display: none; }
  .admin-sidebar a {
    padding: 10px 16px;
    white-space: nowrap;
    border-radius: 6px;
    margin: 0 4px;
  }
  .admin-content { padding: 16px; }
  .stat-card { padding: 16px; }
  .stat-card .value { font-size: 1.4rem; }
}

@media (max-width: 575.98px) {
  .stat-card { margin-bottom: 4px; }
  .admin-content h1 { font-size: 1.25rem; }
}