@tailwind base;
@tailwind components;
@tailwind utilities;

:root {
  --background: #ffffff;
  --foreground: #171717;
  --card: #f9fafb;
  --card-border: #e5e7eb;
  --muted: #6b7280;
  --primary: #3b82f6;
}

.dark {
  --background: #0a0a0a;
  --foreground: #ededed;
  --card: #1a1a2e;
  --card-border: #2d2d44;
  --muted: #9ca3af;
  --primary: #60a5fa;
}

body {
  background: var(--background);
  color: var(--foreground);
  font-family: system-ui, -apple-system, sans-serif;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  font-size: 16px; /* prevent auto-zoom on iOS */
  max-width: 100vw;
  overflow-x: hidden;
}

/* Mobile-first base */
* {
  box-sizing: border-box;
  -webkit-tap-highlight-color: transparent;
}

input[type="text"],
input[type="email"],
input[type="password"],
input[type="datetime-local"],
textarea,
select {
  font-size: 16px; /* Prevent zoom on iOS */
}

/* Touch targets - minimum 44px for accessibility */
@media (max-width: 768px) {
  button,
  a,
  [role="button"] {
    min-height: 44px;
  }
}

@layer utilities {
  .scrollbar-hide {
    -ms-overflow-style: none;
    scrollbar-width: none;
  }
  .scrollbar-hide::-webkit-scrollbar {
    display: none;
  }

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

/* Smooth scrolling with snap */
.snap-x {
  scroll-snap-type: x mandatory;
  -webkit-overflow-scrolling: touch;
}
.snap-center {
  scroll-snap-align: center;
}
.snap-mandatory {
  scroll-snap-type: x mandatory;
}

/* Bottom navigation responsive */
@media (max-width: 640px) {
  .bottom-nav {
    display: flex;
  }
  .desktop-sidebar {
    display: none;
  }
}
@media (min-width: 641px) {
  .bottom-nav {
    display: none;
  }
}

/* Safe area for notched devices */
.safe-area-bottom {
  padding-bottom: env(safe-area-inset-bottom, 0px);
}

/* Smooth page transitions */
main {
  animation: fadeIn 0.15s ease-out;
}

@keyframes fadeIn {
  from {
    opacity: 0;
    transform: translateY(4px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

/* Slide-in animations for drawer */
@keyframes slideInRight {
  from {
    transform: translateX(100%);
  }
  to {
    transform: translateX(0);
  }
}

.animate-slideInRight {
  animation: slideInRight 0.25s ease-out;
}

/* Swipe overlay animations */
@keyframes slideOverlayLeft {
  0% {
    opacity: 0;
    transform: translateX(40px) scale(0.9);
  }
  30% {
    opacity: 1;
    transform: translateX(0) scale(1);
  }
  70% {
    opacity: 1;
    transform: translateX(0) scale(1);
  }
  100% {
    opacity: 0;
    transform: translateX(-20px) scale(0.95);
  }
}

@keyframes slideOverlayRight {
  0% {
    opacity: 0;
    transform: translateX(-40px) scale(0.9);
  }
  30% {
    opacity: 1;
    transform: translateX(0) scale(1);
  }
  70% {
    opacity: 1;
    transform: translateX(0) scale(1);
  }
  100% {
    opacity: 0;
    transform: translateX(20px) scale(0.95);
  }
}

.animate-slideOverlayLeft {
  animation: slideOverlayLeft 0.6s ease-out forwards;
}

.animate-slideOverlayRight {
  animation: slideOverlayRight 0.6s ease-out forwards;
}

/* Content slide animations for group switch */
@keyframes slideContentLeft {
  0% {
    opacity: 0.3;
    transform: translateX(30px);
  }
  100% {
    opacity: 1;
    transform: translateX(0);
  }
}

@keyframes slideContentRight {
  0% {
    opacity: 0.3;
    transform: translateX(-30px);
  }
  100% {
    opacity: 1;
    transform: translateX(0);
  }
}

.animate-slideContentLeft {
  animation: slideContentLeft 0.3s ease-out;
}

.animate-slideContentRight {
  animation: slideContentRight 0.3s ease-out;
}

/* Fade-in for backdrop */
@keyframes fadeInBackdrop {
  from {
    opacity: 0;
  }
  to {
    opacity: 1;
  }
}

.animate-fadeIn {
  animation: fadeInBackdrop 0.2s ease-out;
}

/* Mobile overscroll behavior */
@media (max-width: 640px) {
  html {
    overscroll-behavior-y: contain;
  }
}


/* Mobile modal fix */
.modal-content {
    max-height: 90vh;
    max-height: 90dvh; /* dynamic viewport height */
    overflow-y: auto;
    -webkit-overflow-scrolling: touch;
    overscroll-behavior: contain;
}

/* Ensure modal buttons visible above keyboard */
@media (max-width: 640px) {
    .modal-content {
        max-height: 85vh;
        max-height: 85dvh;
    }
}

/* Selection color */
::selection {
  background: rgba(59, 130, 246, 0.3);
}