:root {
  --primary-color: #667eea; /* Purple Primary */
  --secondary-color: #764ba2; /* Purple Secondary */
  --accent-color: #f093fb; /* Pink-Purple Accent */
  --dark-color: #343a40;
  --light-color: #f8f9fa;
}

body {
  font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
  margin: 0;
  background-color: #f8f9fa;
}

/* Layout */
.content { padding: 20px; }
.navbar-brand { font-weight: bold; }
.container-fluid { width: 100%; padding: 0; }

/* Cards */
.card-dashboard { border-left: 4px solid var(--primary-color); transition: transform 0.3s ease, box-shadow 0.3s ease; }
.card-dashboard:hover { transform: translateY(-5px); box-shadow: 0 10px 20px rgba(0,0,0,0.1); }
.hover-card { transition: transform 0.3s ease, box-shadow 0.3s ease; border: 1px solid rgba(0, 0, 0, 0.08); }
.hover-card:hover { transform: translateY(-5px); box-shadow: 0 10px 20px rgba(0, 0, 0, 0.1); border-color: rgba(0, 0, 0, 0.15); }
.card-footer { border-top: 1px solid rgba(0,0,0,0.05); background-color: rgba(0,0,0,0.01); }

/* Headings for cards (white for contrast on purple backgrounds) */
.card-title.mb-0, h5.card-title.mb-0 { color: white !important; text-shadow: 0 1px 2px rgba(0,0,0,0.5); font-weight: 600; }
.card .card-title.mb-0, .card h5.card-title.mb-0 { color: white !important; text-shadow: 0 1px 2px rgba(0,0,0,0.7); }
.bg-dark .card-title.mb-0, .bg-primary .card-title.mb-0, .bg-secondary .card-title.mb-0 { color: white !important; text-shadow: 0 2px 4px rgba(0,0,0,0.8); }
.bg-light .card-title.mb-0, .bg-white .card-title.mb-0 { color: #343a40 !important; text-shadow: 0 1px 2px rgba(255,255,255,0.8); }

/* Buttons */
.btn-primary { background: linear-gradient(135deg, var(--primary-color), var(--secondary-color)); border: none; color: white; font-weight: 500; padding: 0.75rem 1.5rem; border-radius: 12px; transition: all 0.3s cubic-bezier(0.4,0,0.2,1); box-shadow: 0 4px 15px rgba(102,126,234,0.3); position: relative; overflow: hidden; }
.btn-primary::before { content: ''; position: absolute; top: 0; left: -100%; width: 100%; height: 100%; background: linear-gradient(90deg, transparent, rgba(255,255,255,0.2), transparent); transition: left 0.5s; }
.btn-primary:hover::before { left: 100%; }
.btn-primary:hover { background: linear-gradient(135deg, #5a67d8, #667eea); transform: translateY(-2px); box-shadow: 0 8px 25px rgba(102,126,234,0.4); }
.btn-primary:active { transform: translateY(0); box-shadow: 0 4px 15px rgba(102,126,234,0.3); }

.btn-secondary { background: linear-gradient(135deg, var(--accent-color), #ff6b9d); border: none; color: white; font-weight: 500; padding: 0.75rem 1.5rem; border-radius: 12px; transition: all 0.3s cubic-bezier(0.4,0,0.2,1); box-shadow: 0 4px 15px rgba(240,147,251,0.3); }
.btn-secondary:hover { background: linear-gradient(135deg, #e879f9, #f472b6); transform: translateY(-2px); box-shadow: 0 8px 25px rgba(240,147,251,0.4); }

.btn-outline-primary { border: 2px solid var(--primary-color); color: var(--primary-color); background: transparent; font-weight: 500; padding: 0.75rem 1.5rem; border-radius: 12px; transition: all 0.3s cubic-bezier(0.4,0,0.2,1); }
.btn-outline-primary:hover { background: var(--primary-color); color: white; transform: translateY(-2px); box-shadow: 0 8px 25px rgba(102,126,234,0.3); }

/* Performance tweaks */
* { box-sizing: border-box; }
.btn-primary, .btn-secondary, .card-dashboard { will-change: auto; backface-visibility: visible; -webkit-backface-visibility: visible; }

/* Logo block styles */
.logo-container { background: rgba(255,255,255,0.1); backdrop-filter: blur(15px); -webkit-backdrop-filter: blur(15px); border: 1px solid rgba(255,255,255,0.2); border-radius: 20px; margin: 1rem; padding: 1.5rem; text-align: center; box-shadow: 0 8px 32px rgba(0,0,0,0.1), inset 0 1px 0 rgba(255,255,255,0.2); transition: all 0.3s cubic-bezier(0.4,0,0.2,1); }
.logo-container:hover { transform: translateY(-2px); box-shadow: 0 12px 40px rgba(0,0,0,0.15), inset 0 1px 0 rgba(255,255,255,0.3); }
.logo-icon { font-size: 3rem; color: #f093fb; margin-bottom: 0.5rem; animation: pulse 2s infinite; }
@keyframes pulse { 0%,100%{ transform: scale(1);} 50%{ transform: scale(1.05);} }
.logo-text { font-size: 1.5rem; font-weight: 700; color: white; text-shadow: 0 2px 4px rgba(0,0,0,0.3); letter-spacing: 1px; }

/* Loading state */
.loading { opacity: 0.7; pointer-events: none; position: relative; }
.loading::after { content: ''; position: absolute; top: 50%; left: 50%; width: 20px; height: 20px; margin: -10px 0 0 -10px; border: 2px solid rgba(255,255,255,0.3); border-top: 2px solid #fff; border-radius: 50%; animation: spin 1s linear infinite; z-index: 1000; }
@keyframes spin { 0%{ transform: rotate(0deg);} 100%{ transform: rotate(360deg);} }

/* Gradient utility buttons (shared) */
.btn-soft-pink,
.btn-soft-back {
  background: linear-gradient(135deg, #fbcfe8, #f472b6);
  color: #fff;
  border: none;
}
.btn-soft-pink:hover,
.btn-soft-back:hover {
  filter: brightness(0.95);
  color: #fff;
}

/* Enhanced Mobile Responsiveness */
@media (max-width: 575.98px) {
  .container-fluid { padding: 0.5rem; }
  .card-dashboard { margin-bottom: 1rem; }
  .btn { padding: 0.5rem 1rem; font-size: 0.9rem; }
  .logo-container { padding: 1rem; margin: 0.5rem 0.25rem 1rem 0.25rem; }
}