/* ===============================
   BASE + COLOR SYSTEM
================================ */
@import url('https://fonts.googleapis.com/css2?family=Poppins:wght@400;600;700&display=swap');

:root {
  --blue-1: #2563eb;   /* primary */
  --blue-2: #3b82f6;
  --blue-3: #60a5fa;
  --cyan:   #22d3ee;

  --bg-main: linear-gradient(
    135deg,
    #e0ecff 0%,
    #f5f9ff 40%,
    #eef4ff 100%
  );

  --card-bg: linear-gradient(
    160deg,
    #ffffff 0%,
    #f4f8ff 100%
  );

  --border-soft: rgba(37, 99, 235, 0.12);
  --text-main: #0f172a;
  --text-muted: #64748b;
}

body {
  font-family: 'Poppins', sans-serif;
}

/* ===============================
   APP BACKGROUND
================================ */
.bg-app {
  background: var(--bg-main);
  min-height: 100vh;
  animation: fadeIn 0.5s ease;
}

@keyframes fadeIn {
  from { opacity: 0; transform: translateY(6px); }
  to   { opacity: 1; transform: none; }
}

/* ===============================
   NAVBAR
================================ */
nav.navbar {
  background: linear-gradient(
    135deg,
    #2563eb 0%,
    #3b82f6 50%,
    #22d3ee 100%
  ) !important;

  box-shadow: 0 14px 40px rgba(37,99,235,0.35);
  border-bottom: 1px solid rgba(255,255,255,0.25);
}

.navbar-brand,
.navbar-nav .nav-link {
  color: #fff !important;
  font-weight: 500;
}

.navbar-nav .nav-link:hover {
  opacity: 0.9;
}

/* ===============================
   CARDS (GLASS STYLE)
================================ */
.card {
  background: var(--card-bg);
  border-radius: 18px;
  border: 1px solid var(--border-soft);
  box-shadow:
    0 10px 30px rgba(37,99,235,0.12),
    inset 0 1px 0 rgba(255,255,255,0.6);

  transition: transform 0.2s ease, box-shadow 0.2s ease;
}

.card:hover {
  transform: translateY(-3px);
  box-shadow:
    0 18px 46px rgba(37,99,235,0.18),
    inset 0 1px 0 rgba(255,255,255,0.6);
}

/* ===============================
   METRIC CARDS
================================ */
.metric-card {
  position: relative;
  overflow: hidden;
}

.metric-card::before {
  content: '';
  position: absolute;
  inset: 0;
  background: radial-gradient(
    circle at top right,
    rgba(96,165,250,0.25),
    transparent 60%
  );
  opacity: 0;
  transition: opacity 0.25s ease;
}

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

.metric-icon {
  font-size: 1.6rem;
  background: linear-gradient(135deg, var(--blue-1), var(--cyan));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

.metric-title {
  font-size: 0.85rem;
  color: var(--text-muted);
}

.metric-value {
  font-size: 1.8rem;
  font-weight: 800;
  color: var(--text-main);
}

.metric-sub {
  font-size: 0.8rem;
  color: var(--text-muted);
}

/* ===============================
   QUICK ACTION BUTTONS
================================ */
.quick-actions {
  gap: 14px;
}

.quick-btn {
  background: linear-gradient(
    135deg,
    #ffffff 0%,
    #f0f6ff 100%
  ) !important;

  border: 1px solid var(--border-soft);
  border-radius: 16px;
  padding: 14px 18px;
  font-weight: 600;
  color: var(--text-main) !important;

  box-shadow: 0 10px 26px rgba(37,99,235,0.16);
  transition: all 0.2s ease;
}

.quick-btn:hover {
  transform: translateY(-3px) scale(1.02);
  box-shadow: 0 18px 40px rgba(37,99,235,0.25);
}

.quick-btn .icon {
  font-size: 1.2rem;
}

/* ===============================
   TABLES
================================ */
.table {
  font-size: 0.9rem;
}

.table thead.table-light {
  background: linear-gradient(
    135deg,
    #e0ecff,
    #f5f9ff
  );
}

.table-striped > tbody > tr:nth-of-type(odd) {
  background-color: rgba(37,99,235,0.03);
}

/* ===============================
   FORMS
================================ */
.form-control {
  border-radius: 14px;
  border-color: var(--border-soft);
}

.form-control:focus {
  border-color: var(--blue-2);
  box-shadow: 0 0 0 0.15rem rgba(37,99,235,0.25);
}

/* ===============================
   BUTTONS
================================ */
.btn-dark {
  background: linear-gradient(
    135deg,
    var(--blue-1),
    var(--blue-2)
  );
  border: none;
  box-shadow: 0 10px 24px rgba(37,99,235,0.35);
}

.btn-dark:hover {
  filter: brightness(1.05);
}

.btn-primary {
  background: linear-gradient(
    135deg,
    var(--blue-1),
    var(--blue-2)
  );
  border: none;
  box-shadow: 0 10px 24px rgba(37,99,235,0.35);
}

.btn-primary:hover {
  filter: brightness(1.05);
}

/* ===============================
   CHART CANVAS
================================ */
canvas {
  animation: fadeIn 0.6s ease;
}

/* ===============================
   FOOTER
================================ */
.info-footer {
  color: var(--text-muted);
}

/* ===============================
   AUTH / LOGIN
================================ */
.auth-page {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--bg-main);
  padding: 24px;
}

.auth-card {
  width: min(420px, 100%);
}

.login-logo {
  max-width: 120px;
  margin: 0 auto 12px;
  display: block;
}

.auth-title {
  color: var(--text-main);
}

.auth-footer {
  color: var(--text-muted);
}

.auth-footer a {
  color: var(--text-main);
}

.auth-contact {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: #fff;
  border-radius: 999px;
  padding: 8px 12px;
  box-shadow: 0 10px 26px rgba(37,99,235,0.12);
  color: var(--text-main);
}

.auth-contact .dot {
  color: #22c55e;
  font-size: 1rem;
}