/* FeeSarthi Custom CSS Extensions — Mobile-First & App-Like Styling */

@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700;800;900&display=swap');

:root {
  --font-family: 'Inter', system-ui, -apple-system, sans-serif;
  --sat: env(safe-area-inset-top, 0px);
  --sab: env(safe-area-inset-bottom, 0px);
}

body {
  font-family: var(--font-family);
  background-color: #020617;
  color: #f8fafc;
  -webkit-tap-highlight-color: transparent;
  overscroll-behavior-y: none;
  -webkit-user-select: none;
  user-select: none;
}

input, textarea, select {
  -webkit-user-select: text;
  user-select: text;
}

/* Glassmorphism Card Style */
.glass-card {
  background: rgba(15, 23, 42, 0.75);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border: 1px solid rgba(255, 255, 255, 0.08);
}

.glass-card-hover {
  transition: all 0.2s cubic-bezier(0.16, 1, 0.3, 1);
}

.glass-card-hover:active {
  transform: scale(0.98);
}

@media (min-width: 768px) {
  .glass-card-hover:hover {
    transform: translateY(-2px);
    box-shadow: 0 10px 25px -5px rgba(0, 0, 0, 0.4), 0 8px 10px -6px rgba(0, 0, 0, 0.3);
    border-color: rgba(99, 102, 241, 0.3);
  }
}

/* Gradient accents */
.bg-gradient-primary {
  background: linear-gradient(135deg, #6366f1 0%, #4f46e5 100%);
}

.bg-gradient-success {
  background: linear-gradient(135deg, #10b981 0%, #059669 100%);
}

.bg-gradient-warning {
  background: linear-gradient(135deg, #f59e0b 0%, #d97706 100%);
}

.bg-gradient-danger {
  background: linear-gradient(135deg, #ef4444 0%, #dc2626 100%);
}

/* Status Badges */
.badge-active {
  background-color: rgba(16, 185, 129, 0.15);
  color: #34d399;
  border: 1px solid rgba(52, 211, 153, 0.3);
}

.badge-overdue {
  background-color: rgba(239, 68, 68, 0.15);
  color: #f87171;
  border: 1px solid rgba(248, 113, 113, 0.3);
}

.badge-due-today {
  background-color: rgba(245, 158, 11, 0.15);
  color: #fbbf24;
  border: 1px solid rgba(251, 191, 36, 0.3);
}

.badge-expired {
  background-color: rgba(148, 163, 184, 0.15);
  color: #94a3b8;
  border: 1px solid rgba(148, 163, 184, 0.3);
}

/* Mobile Bottom Safe Area & Navigation */
.mobile-nav-bar {
  padding-bottom: var(--sab);
  height: calc(4rem + var(--sab));
}

.main-content-area {
  padding-bottom: calc(4.5rem + var(--sab));
}

@media (min-width: 768px) {
  .main-content-area {
    padding-bottom: 2rem;
  }
}

/* Mobile Touch Buttons Active Scale Feedback */
button:active, a:active {
  opacity: 0.9;
}

/* Bottom Sheet Modal on Mobile */
@media (max-width: 767px) {
  .fixed.inset-0.z-50 {
    align-items: flex-end !important;
    padding: 0 !important;
  }

  .fixed.inset-0.z-50 > div {
    border-bottom-left-radius: 0 !important;
    border-bottom-right-radius: 0 !important;
    border-top-left-radius: 1.5rem !important;
    border-top-right-radius: 1.5rem !important;
    max-height: 90vh !important;
    width: 100% !important;
    animation: slideUp 0.3s cubic-bezier(0.16, 1, 0.3, 1) forwards !important;
  }
}

@keyframes slideUp {
  from { transform: translateY(100%); }
  to { transform: translateY(0); }
}

/* Custom Scrollbar */
::-webkit-scrollbar {
  width: 5px;
  height: 5px;
}

::-webkit-scrollbar-track {
  background: #020617;
}

::-webkit-scrollbar-thumb {
  background: #1e293b;
  border-radius: 4px;
}

::-webkit-scrollbar-thumb:hover {
  background: #334155;
}

/* Animations */
@keyframes fadeIn {
  from { opacity: 0; transform: translateY(6px); }
  to { opacity: 1; transform: translateY(0); }
}

.animate-fade-in {
  animation: fadeIn 0.25s cubic-bezier(0.16, 1, 0.3, 1) forwards;
}

/* Pulse Glow for Remind Button */
@keyframes pulseGlow {
  0%, 100% { box-shadow: 0 0 0 0 rgba(34, 197, 94, 0.4); }
  50% { box-shadow: 0 0 0 8px rgba(34, 197, 94, 0); }
}

.btn-whatsapp {
  background-color: #22c55e;
  color: #ffffff;
}

.btn-whatsapp:hover {
  background-color: #16a34a;
}

.btn-whatsapp-glow {
  animation: pulseGlow 2s infinite;
}

/* Skeleton Loading */
.skeleton {
  background: linear-gradient(90deg, #0f172a 25%, #1e293b 50%, #0f172a 75%);
  background-size: 200% 100%;
  animation: skeleton-loading 1.5s infinite;
}

@keyframes skeleton-loading {
  0% { background-position: 200% 0; }
  100% { background-position: -200% 0; }
}

/* Student Mode Styling & Owner UI Isolation */
body.student-mode aside,
body.student-mode header,
body.student-mode nav.mobile-nav-bar {
  display: none !important;
}

body.student-mode .main-content-area {
  padding-bottom: 0 !important;
  min-height: 100vh;
}

/* App Locked Expired State (Disables interaction with background owner UI) */
body.app-locked-expired aside,
body.app-locked-expired header,
body.app-locked-expired nav.mobile-nav-bar,
body.app-locked-expired .main-content-area {
  pointer-events: none !important;
  user-select: none !important;
  filter: blur(1px) brightness(0.7);
}