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

/* Component styles */
@import '../components/Spreadsheet.css';

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

@layer base {
  body {
    font-family: 'Inter', sans-serif;
    @apply bg-paper-100 text-ink-600; /* Desk-like background for page contrast */
  }

  h1, h2, h3, h4, h5, h6 {
    @apply text-ink-900 font-medium;
  }

  h1 { @apply text-3xl tracking-tight; }
  h2 { @apply text-2xl tracking-tight; }
  h3 { @apply text-xl; }
  h4 { @apply text-lg; }
}

@layer components {
  /* Button Styles - Minimal & Professional */
  .btn {
    @apply inline-flex items-center justify-center px-4 py-2.5 text-sm font-medium rounded-lg border transition-all duration-200 focus:outline-none focus:ring-2 focus:ring-offset-2 focus:ring-accent-400;
  }

  .btn-primary {
    @apply bg-accent-500 text-white border-accent-500 hover:bg-accent-600 hover:shadow-sm active:scale-[0.98];
  }

  .btn-secondary {
    @apply bg-white text-ink-700 border-paper-300 hover:bg-paper-50 hover:border-paper-400 shadow-xs hover:shadow-sm;
  }

  .btn-ghost {
    @apply bg-transparent text-ink-600 border-transparent hover:text-ink-800 hover:bg-paper-100 active:bg-paper-200;
  }

  .btn:disabled {
    @apply opacity-40 cursor-not-allowed;
  }

  /* Input Styles - Comfortable & Clear */
  .input {
    @apply block w-full px-4 py-2.5 border border-paper-300 rounded-lg text-sm text-ink-800 placeholder-ink-400 bg-white transition-all duration-200 focus:outline-none focus:ring-2 focus:ring-accent-400 focus:border-accent-400 hover:border-paper-400;
  }

  .label {
    @apply flex items-center text-sm font-medium text-ink-700 mb-2;
  }

  /* Card Styles - Paper-like */
  .card {
    @apply bg-white bg-subtle-grain rounded-xl shadow-card border border-paper-200 p-8 transition-shadow duration-200 hover:shadow-md;
  }

  .card-compact {
    @apply bg-white bg-subtle-grain rounded-lg shadow-card border border-paper-200 p-5;
  }

  /* Badge Styles - Muted & Professional */
  .badge {
    @apply inline-flex items-center px-3 py-1 rounded-full text-xs font-medium;
  }

  .badge-success {
    @apply bg-success-50 text-success-700 border border-success-200;
  }

  .badge-warning {
    @apply bg-warning-50 text-warning-700 border border-warning-200;
  }

  .badge-error {
    @apply bg-error-50 text-error-700 border border-error-200;
  }

  .badge-info {
    @apply bg-primary-50 text-primary-700 border border-primary-200;
  }

  /* Table Styles - Clean & Minimal */
  .table {
    @apply min-w-full divide-y divide-paper-200;
  }

  .table-header {
    @apply bg-paper-50;
  }

  .table-header-cell {
    @apply px-6 py-3 text-left text-xs font-medium text-ink-500 uppercase tracking-wider;
  }

  .table-cell {
    @apply px-6 py-4 whitespace-nowrap text-sm text-ink-700;
  }

  .table-row {
    @apply hover:bg-paper-50 transition-colors duration-150;
  }

  /* Navigation Styles - Notebook-like */
  .nav-link {
    @apply flex items-center px-3 py-2.5 text-sm font-medium rounded-lg transition-all duration-200;
  }

  .nav-link-active {
    @apply bg-accent-50 text-accent-900 border-l-2 border-accent-500 pl-2.5;
  }

  .nav-link-inactive {
    @apply text-ink-600 hover:bg-paper-100 hover:text-ink-900;
  }

  /* Switch Toggle Styles - Refined */
  .switch {
    @apply relative inline-block w-11 h-6;
  }

  .switch input {
    @apply opacity-0 w-0 h-0;
  }

  .slider {
    @apply absolute cursor-pointer top-0 left-0 right-0 bottom-0 bg-paper-300 rounded-full transition-all duration-200;
  }

  .slider:before {
    @apply absolute content-[''] h-5 w-5 left-0.5 bottom-0.5 bg-white rounded-full shadow-sm transition-all duration-200;
  }

  input:checked + .slider {
    @apply bg-accent-500;
  }

  input:checked + .slider:before {
    @apply transform translate-x-5;
  }

  /* Stat Card Styles - Paper-like */
  .stat-card {
    @apply bg-white bg-subtle-grain rounded-xl border border-paper-200 p-6 hover:shadow-md hover:border-paper-300 transition-all duration-200;
  }

  .stat-card-icon {
    @apply h-10 w-10 mb-4 text-ink-600;
  }

  .stat-card-value {
    @apply text-3xl font-semibold text-ink-900 tracking-tight;
  }

  .stat-card-label {
    @apply text-sm text-ink-500 mt-2;
  }

  .stat-card-change {
    @apply text-sm font-medium mt-3;
  }

  .stat-card-change-positive {
    @apply text-success-600;
  }

  .stat-card-change-negative {
    @apply text-error-600;
  }

  /* Notebook Page Container - Creates bounded page effect
     NOTE: This class is deprecated - Page component now handles responsive layout via props
     Keeping for backward compatibility only */
  .notebook-page {
    @apply bg-white bg-subtle-grain rounded-sm shadow-lg border-l-4 border-paper-300;
    max-width: 1400px;
    /* Responsive margins - fixed left/top, responsive right/bottom */
    margin-top: 1rem;
    margin-left: 1rem;
    margin-right: 1rem;
    margin-bottom: 1rem;
    /* Responsive padding - fixed left/top, responsive right/bottom */
    padding-top: 3rem;
    padding-left: 5rem; /* Extra left padding for binding margin */
    padding-right: 1rem;
    padding-bottom: 1rem;
    min-height: calc(100vh - 2rem);
    position: relative;
  }

  /* Responsive padding/margin increases on larger screens */
  @media (min-width: 640px) {
    .notebook-page {
      margin-right: 1.5rem;
      margin-bottom: 2rem;
      padding-right: 2rem;
      padding-bottom: 2rem;
    }
  }

  @media (min-width: 768px) {
    .notebook-page {
      margin-right: 2rem;
      margin-bottom: 2rem;
      padding-right: 3rem;
      padding-bottom: 3rem;
    }
  }

  @media (min-width: 1024px) {
    .notebook-page {
      margin-right: auto; /* Center on large screens */
      padding-right: 4rem;
      padding-bottom: 4rem;
    }
  }

  /* Notebook binding effect on sidebar */
  .notebook-binding {
    position: relative;
  }

  .notebook-binding::after {
    content: '';
    position: absolute;
    right: 0;
    top: 0;
    bottom: 0;
    width: 3px;
    background: linear-gradient(to bottom,
      transparent 0%,
      rgba(0,0,0,0.03) 10%,
      rgba(0,0,0,0.05) 50%,
      rgba(0,0,0,0.03) 90%,
      transparent 100%
    );
    box-shadow: 2px 0 4px rgba(0,0,0,0.04);
  }

  /* Ruled lines for notebook page (very subtle) */
  .notebook-ruled {
    background-image:
      linear-gradient(transparent 0%, transparent calc(100% - 1px), rgba(231, 229, 228, 0.3) 100%);
    background-size: 100% 2rem;
    background-position: 0 1.5rem;
  }

  /* Left margin line for notebook page */
  .notebook-margin {
    position: relative;
  }

  .notebook-margin::before {
    content: '';
    position: absolute;
    left: 3rem;
    top: 0;
    bottom: 0;
    width: 1px;
    background-color: rgba(239, 68, 68, 0.05); /* Very subtle red margin line */
  }

  /* Page Navigation / TOC - Sits in gutter between sidebar and page */
  .page-nav {
    @apply fixed top-32 bottom-8;
    left: 16.5rem; /* Sidebar (16rem) + gutter offset */
    width: 2rem;
    z-index: 5;
    pointer-events: none;
  }

  .page-nav-inner {
    @apply sticky top-32 flex flex-col gap-3;
    pointer-events: auto;
  }

  /* Tab-style navigation items */
  .page-nav-item {
    @apply block w-full h-8 rounded-r-md border-r-2 border-transparent;
    @apply text-xs text-ink-400 hover:text-ink-700 hover:border-accent-400 hover:bg-paper-50;
    @apply transition-all duration-200;
    writing-mode: vertical-rl;
    text-orientation: mixed;
    padding: 0.5rem 0.25rem;
    text-align: center;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
    max-height: 8rem;
  }

  .page-nav-item.active {
    @apply border-accent-500 bg-accent-50 text-accent-900 font-medium;
  }

  /* Alternative: Dot navigation style (simpler) */
  .page-nav-dots {
    @apply flex flex-col gap-2 items-center pointer-events-auto;
  }

  .page-nav-dot {
    @apply w-2 h-2 rounded-full bg-paper-300 transition-all duration-200 cursor-pointer pointer-events-auto;
  }

  .page-nav-dot:hover {
    @apply bg-accent-400;
    transform: scale(1.2);
  }

  .page-nav-dot.active {
    @apply bg-accent-500 w-2.5 h-2.5;
  }
}

@layer utilities {
  .line-clamp-1 {
    overflow: hidden;
    display: -webkit-box;
    -webkit-box-orient: vertical;
    -webkit-line-clamp: 1;
  }
  
  .line-clamp-2 {
    overflow: hidden;
    display: -webkit-box;
    -webkit-box-orient: vertical;
    -webkit-line-clamp: 2;
  }
  
  .line-clamp-3 {
    overflow: hidden;
    display: -webkit-box;
    -webkit-box-orient: vertical;
    -webkit-line-clamp: 3;
  }

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

  .text-shadow {
    text-shadow: 0 1px 3px rgba(0, 0, 0, 0.1);
  }

  .bg-gradient-primary {
    background: linear-gradient(135deg, #64748b, #475569);
  }

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

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

  .bg-gradient-accent {
    background: linear-gradient(135deg, #f59e0b, #d97706);
  }
}

/* Custom scrollbar - Subtle paper aesthetic */
::-webkit-scrollbar {
  width: 8px;
  height: 8px;
}

::-webkit-scrollbar-track {
  background: #fafaf9;
}

::-webkit-scrollbar-thumb {
  background: #d6d3d1;
  border-radius: 4px;
  border: 2px solid #fafaf9;
}

::-webkit-scrollbar-thumb:hover {
  background: #a8a29e;
}

/* Loading animations */
@keyframes pulse {
  0%, 100% {
    opacity: 1;
  }
  50% {
    opacity: .5;
  }
}

.animate-pulse {
  animation: pulse 2s cubic-bezier(0.4, 0, 0.6, 1) infinite;
}

/* Table styles - Clean & minimal */
.table {
  @apply min-w-full divide-y divide-paper-200;
}

.table-header {
  @apply bg-paper-50;
}

.table-header-cell {
  @apply px-6 py-3 text-left text-xs font-medium text-ink-500 uppercase tracking-wider;
}

.table-row {
  @apply bg-white hover:bg-paper-50 transition-colors;
}

.table-cell {
  @apply px-6 py-4 whitespace-nowrap text-sm text-ink-700;
}

/* Prevent table layout shifts */
.table-fixed {
  table-layout: fixed !important;
}

.table-stable {
  @apply table-fixed;
  /* Removed min-height to allow content-based sizing for two-row layout */
}

  .table-stable thead {
    height: auto !important;
  }

  .table-stable thead th {
    position: sticky;
    top: 0;
    z-index: 10;
    background-color: #fafaf9;
    backdrop-filter: blur(8px);
    padding: 4px 8px !important;
    height: 28px !important;
    min-height: 28px !important;
    max-height: 28px !important;
    line-height: 1 !important;
    vertical-align: middle !important;
    overflow: hidden !important;
    box-sizing: border-box !important;
    font-size: 0.75rem !important;
    border-bottom: 1px solid #e7e5e4;
  }

/* Primary rows with normal content */
.table-stable tbody tr {
  height: auto; /* Allow content-based sizing for two-row layout */
}

/* Secondary rows should be compact */
.table-stable tbody tr.secondary-row {
  height: auto;
}

.table-stable tbody tr td {
  vertical-align: top;
}

/* Smooth loading overlay */
.table-loading-overlay {
  transition: opacity 0.3s ease-in-out;
  backdrop-filter: blur(1px);
}

/* Prevent content jumping during loading */
.loading-stable {
  min-height: inherit;
  visibility: visible;
}

.content-stable {
  transition: opacity 0.2s ease-in-out;
}

/* Custom tooltip for navigation dots using CSS */
.page-nav-dot {
  position: relative;
}

.page-nav-dot::after {
  content: attr(aria-label);
  position: absolute;
  left: 100%;
  top: 50%;
  transform: translateY(-50%);
  margin-left: 0.75rem;
  padding: 0.375rem 0.75rem;
  background-color: #1c1917;
  color: white;
  font-size: 0.75rem;
  font-weight: 500;
  border-radius: 0.375rem;
  opacity: 0;
  transition: opacity 200ms;
  pointer-events: none;
  white-space: nowrap;
  box-shadow: 0 10px 15px -3px rgb(0 0 0 / 0.1);
  z-index: 50;
}

.page-nav-dot:hover::after {
  opacity: 1;
}

/* DataTable Expanded Row Animation */
@keyframes expandRow {
  from {
    opacity: 0;
    max-height: 0;
    transform: translateY(-10px);
  }
  to {
    opacity: 1;
    max-height: 1000px;
    transform: translateY(0);
  }
}

.animate-expand {
  animation: expandRow 0.3s ease-out forwards;
  overflow: hidden;
}

/* Drawer Slide Animations */
@keyframes slideInLeft {
  from {
    transform: translateX(-100%);
  }
  to {
    transform: translateX(0);
  }
}

@keyframes slideInRight {
  from {
    transform: translateX(100%);
  }
  to {
    transform: translateX(0);
  }
}

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

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

.animate-slide-in-left {
  animation: slideInLeft 0.3s ease-out;
}

.animate-slide-in-right {
  animation: slideInRight 0.3s ease-out;
}

.animate-slide-in-top {
  animation: slideInTop 0.3s ease-out;
}

.animate-slide-in-bottom {
  animation: slideInBottom 0.3s ease-out;
}