/* Minimalist Responsive Design System for Project Progress Tracking */
@import url('https://fonts.googleapis.com/css2?family=Plus+Jakarta+Sans:wght@300;400;500;600;700&family=Prompt:wght@300;400;500;600&display=swap');

:root {
  --font-sans: 'Plus Jakarta Sans', 'Prompt', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  --bg-main: #f8fafc;
  --surface: #ffffff;
  --surface-subtle: #f1f5f9;
  --border-light: #e2e8f0;
  --border-subtle: #edf2f7;
  --text-main: #0f172a;
  --text-muted: #64748b;
  --text-subtle: #94a3b8;
  --primary: #2563eb;
  --primary-hover: #1d4ed8;
  --primary-light: #eff6ff;
  --accent: #6366f1;
  --success: #10b981;
  --success-light: #ecfdf5;
  --warning: #f59e0b;
  --warning-light: #fffbeb;
  --danger: #ef4444;
  --danger-light: #fef2f2;
}

* {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  -webkit-text-size-adjust: 100%;
  scroll-behavior: smooth;
}

body {
  font-family: var(--font-sans);
  background-color: var(--bg-main);
  color: var(--text-main);
  line-height: 1.5;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

/* Custom Minimalist Scrollbars */
::-webkit-scrollbar {
  width: 6px;
  height: 6px;
}
::-webkit-scrollbar-track {
  background: transparent;
}
::-webkit-scrollbar-thumb {
  background: #cbd5e1;
  border-radius: 9999px;
}
::-webkit-scrollbar-thumb:hover {
  background: #94a3b8;
}

/* Hide scrollbar for horizontal pill navigation on mobile/tablet */
.no-scrollbar::-webkit-scrollbar {
  display: none;
}
.no-scrollbar {
  -ms-overflow-style: none;
  scrollbar-width: none;
  -webkit-overflow-scrolling: touch;
}

/* Transitions */
.transition-smooth {
  transition: all 0.2s cubic-bezier(0.16, 1, 0.3, 1);
}

/* Responsive Kanban Columns */
.kanban-col {
  min-height: 220px;
  max-height: 440px;
}
@media (min-width: 768px) {
  .kanban-col {
    min-height: 520px;
    max-height: calc(100vh - 240px);
  }
}

/* Minimalist Card Shadows */
.card-minimal {
  background: #ffffff;
  border: 1px solid var(--border-light);
  border-radius: 12px;
  transition: border-color 0.15s ease, box-shadow 0.15s ease;
}
.card-minimal:hover {
  border-color: #cbd5e1;
  box-shadow: 0 4px 12px -2px rgba(15, 23, 42, 0.05);
}

/* Gantt Chart Styling */
.gantt-grid-line {
  background-image: linear-gradient(to right, #f1f5f9 1px, transparent 1px);
  background-size: 80px 100%;
}

.gantt-bar {
  border-radius: 6px;
  box-shadow: 0 2px 4px rgba(0, 0, 0, 0.06);
  position: relative;
  transition: transform 0.15s ease, filter 0.15s ease;
}
.gantt-bar:hover {
  transform: translateY(-1px);
  filter: brightness(1.05);
}

/* Pulse animation for real-time live indicator */
@keyframes pulse-subtle {
  0%, 100% { opacity: 1; transform: scale(1); }
  50% { opacity: 0.5; transform: scale(1.15); }
}
.live-pulse {
  animation: pulse-subtle 2s infinite ease-in-out;
}

/* Modal Backdrop & Responsive Modal Container */
.modal-backdrop {
  background-color: rgba(15, 23, 42, 0.45);
  backdrop-filter: blur(4px);
}

.modal-backdrop > div {
  max-height: 92vh;
  max-height: 92dvh;
  overflow-y: auto;
  -webkit-overflow-scrolling: touch;
}

/* Responsive Data Tables - Smooth Horizontal Touch Scroll */
.overflow-x-auto {
  -webkit-overflow-scrolling: touch;
}
.overflow-x-auto > table {
  min-width: 680px;
}

/* Mobile Web App Enhancements (< 640px) */
@media (max-width: 640px) {
  /* Prevent iOS Safari zoom on input focus while keeping compact look */
  input[type="text"],
  input[type="email"],
  input[type="password"],
  input[type="number"],
  input[type="date"],
  input[type="url"],
  select,
  textarea {
    font-size: 16px !important;
  }

  .modal-backdrop {
    padding: 0.5rem !important;
    align-items: flex-end !important;
  }

  .modal-backdrop > div {
    border-bottom-left-radius: 1rem;
    border-bottom-right-radius: 1rem;
    padding: 1.125rem !important;
    max-height: 90dvh;
  }
}

/* Safe area padding for mobile bottom navigation bar */
.safe-bottom-nav {
  padding-bottom: env(safe-area-inset-bottom, 0px);
}