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

:root {
  --ui-bg: #ffffff;
  --ui-fg: #111827;
  --ui-border: #111;
  --muted: #e5e7eb;
  --accent: #111;
  --mono: "Courier New", monospace;
  --sans: 'Inter', sans-serif;
}

body {
  font-family: var(--sans);
  color: var(--ui-fg);
  background: #f3f4f6;
  margin: 0;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  transition: background 0.3s ease, color 0.3s ease;
}

h1, h2, h3, h4, h5, h6,
.heading-font {
  font-family: var(--sans);
  font-weight: 700;
}

a {
  color: inherit;
  text-decoration: none;
}

html {
  scroll-behavior: smooth;
}

/* ====================================
   DARK MODE
==================================== */
.dark-mode {
  --ui-bg: #111;
  --ui-fg: #eee;
  --ui-border: #333;
  --muted: #222;
  --accent: #eee;
  background-color: var(--ui-bg);
  color: var(--ui-fg);
}

/* ====================================
   GLOBAL MEDIA WINDOW STYLES
==================================== */
.media-container {
  position: absolute;
  display: flex;
  flex-direction: column;
  border: 1px solid var(--ui-border);
  background: var(--ui-bg);
  border-radius: 3px;
  box-shadow: 0 4px 12px rgba(0,0,0,0.15);
  cursor: pointer;
  z-index: 1;
  overflow: hidden;

  opacity: 0;
  transform: scale(0.96) translateY(8px);
  pointer-events: none;

  transition:
    transform 0.35s cubic-bezier(0.4,0,0.2,1),
    opacity 0.35s ease,
    box-shadow 0.25s ease;
  will-change: transform, opacity;
}

.media-container.active {
  opacity: 1;
  pointer-events: auto;
  transform: scale(1) translateY(0);
  z-index: 50;
}

.media-container.dragging {
  opacity: 0.95;
  z-index: 80;
  cursor: grabbing;
  box-shadow: 0 16px 32px rgba(0,0,0,0.35);
}

.media-container.hovered {
  box-shadow: 0 12px 28px rgba(0,0,0,0.25);
  z-index: 70;
}

.media-titlebar {
  background: var(--accent);
  color: var(--ui-bg);
  font-family: var(--mono);
  font-size: 13px;
  padding: 5px 8px;
  border-bottom: 1px solid var(--ui-border);
  text-transform: uppercase;
  user-select: none;
  flex: 0 0 auto;
}

.media-item {
  flex: 1 1 auto;
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}

/* ====================================
   GRID & BACKGROUND
==================================== */
#media-grid {
  position: absolute;
  inset: 0;
  overflow: hidden;
  z-index: 0;
}

#parallax-grid {
  position: fixed;
  inset: 0;
  z-index: -1;
  background-image:
    linear-gradient(rgba(0,0,0,0.08) 1px, transparent 1px),
    linear-gradient(90deg, rgba(0,0,0,0.08) 1px, transparent 1px);
  background-size: 40px 40px;
  will-change: transform;
  pointer-events: none;
  opacity: 0.4;
  transition: transform 0.1s ease-out;
}

/* ====================================
   PORTFOLIO PAGE
==================================== */
.sticky-list-container {
  position: sticky;
  top: 0;
  height: 100vh;
  overflow-y: auto;
}

.preview-animate {
  transition: transform 0.4s ease, opacity 0.4s ease;
}

img.shadow {
  box-shadow: 0 6px 18px rgba(0,0,0,0.08);
  transition: box-shadow 0.3s ease;
}

img:hover.shadow {
  box-shadow: 0 10px 28px rgba(0,0,0,0.12);
}

/* ====================================
   LAYOUT UTILITIES
==================================== */
.container {
  max-width: 1100px;
  margin: 0 auto;
}

@media (max-width: 768px) {
  .media-titlebar {
    font-size: 12px;
    padding: 4px 6px;
  }

  .media-container {
    border-radius: 2px;
    box-shadow: 0 2px 6px rgba(0,0,0,0.15);
  }

  #parallax-grid {
    display: none;
  }
}

/* ====================================
   DARK MODE SPECIFICS
==================================== */
.dark-mode .media-container {
  background: #1a1a1a;
  border-color: #333;
}

.dark-mode .media-titlebar {
  background: #222;
  color: #f5f5f5;
}

.dark-mode #parallax-grid {
  background-image:
    linear-gradient(rgba(255,255,255,0.05) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,0.05) 1px, transparent 1px);
}