/* ============================================================
   PORTFOLIO COLLABORATION PLATFORM — DESIGN SYSTEM
   Ultra-futuristic • Glassmorphism • Apple-inspired Dark UI
   ============================================================ */

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

/* ── CSS Variables ─────────────────────────────────────────── */
:root {
  /* Colors */
  --bg-base:       #080808;
  --bg-surface:    #0d0d0d;
  --bg-elevated:   #111111;
  --bg-overlay:    #161616;
  --bg-hover:      rgba(255,255,255,0.04);
  --bg-active:     rgba(255,255,255,0.07);
  --bg-glass:      rgba(255,255,255,0.03);
  --bg-glass-md:   rgba(255,255,255,0.06);
  --bg-glass-lg:   rgba(255,255,255,0.09);

  --border:        rgba(255,255,255,0.07);
  --border-md:     rgba(255,255,255,0.12);
  --border-accent: rgba(99,102,241,0.4);

  --text-primary:  #f0f0f0;
  --text-secondary:#9ca3af;
  --text-muted:    #4b5563;
  --text-accent:   #818cf8;

  --accent:        #6366f1;
  --accent-hover:  #5254cc;
  --accent-glow:   rgba(99,102,241,0.25);
  --accent-light:  #a5b4fc;
  --success:       #22c55e;
  --warning:       #f59e0b;
  --danger:        #ef4444;
  --info:          #38bdf8;

  /* Shadows */
  --shadow-sm:     0 2px 8px rgba(0,0,0,0.4);
  --shadow-md:     0 8px 24px rgba(0,0,0,0.5);
  --shadow-lg:     0 20px 60px rgba(0,0,0,0.7);
  --shadow-glow:   0 0 30px rgba(99,102,241,0.2);
  --shadow-card:   0 1px 0 rgba(255,255,255,0.05), 0 4px 16px rgba(0,0,0,0.4);

  /* Radius */
  --radius-sm:     8px;
  --radius-md:     12px;
  --radius-lg:     20px;
  --radius-xl:     28px;
  --radius-pill:   999px;

  /* Transitions */
  --ease:          cubic-bezier(0.4, 0, 0.2, 1);
  --ease-spring:   cubic-bezier(0.34, 1.56, 0.64, 1);
  --duration:      0.2s;
  --duration-lg:   0.35s;
}

/* ── Reset ─────────────────────────────────────────────────── */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { font-size: 16px; scroll-behavior: smooth; }
body {
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
  background: var(--bg-base);
  color: var(--text-primary);
  min-height: 100vh;
  -webkit-font-smoothing: antialiased;
  line-height: 1.5;
}
img, video { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; }
button { cursor: pointer; font-family: inherit; }
input, textarea, select { font-family: inherit; }

/* ── Typography ────────────────────────────────────────────── */
.text-xs    { font-size: 0.75rem; }
.text-sm    { font-size: 0.875rem; }
.text-base  { font-size: 1rem; }
.text-lg    { font-size: 1.125rem; }
.text-xl    { font-size: 1.25rem; }
.text-2xl   { font-size: 1.5rem; }
.text-3xl   { font-size: 1.875rem; }
.text-4xl   { font-size: 2.25rem; }

.font-light    { font-weight: 300; }
.font-normal   { font-weight: 400; }
.font-medium   { font-weight: 500; }
.font-semibold { font-weight: 600; }
.font-bold     { font-weight: 700; }
.font-extrabold{ font-weight: 800; }

.text-primary   { color: var(--text-primary); }
.text-secondary { color: var(--text-secondary); }
.text-muted     { color: var(--text-muted); }
.text-accent    { color: var(--text-accent); }
.text-success   { color: var(--success); }
.text-danger    { color: var(--danger); }
.text-warning   { color: var(--warning); }

/* ── Utility ───────────────────────────────────────────────── */
.hidden   { display: none !important; }
.flex     { display: flex; }
.grid     { display: grid; }
.block    { display: block; }
.inline   { display: inline; }
.inline-flex { display: inline-flex; }
.relative { position: relative; }
.absolute { position: absolute; }
.fixed    { position: fixed; }
.sticky   { position: sticky; top: 0; z-index: 10; }
.z-10     { z-index: 10; }
.z-20     { z-index: 20; }
.z-50     { z-index: 50; }
.z-100    { z-index: 100; }
.w-full   { width: 100%; }
.h-full   { height: 100%; }
.min-h-screen { min-height: 100vh; }
.overflow-hidden { overflow: hidden; }
.overflow-auto   { overflow: auto; }
.truncate { overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.gap-1    { gap: 0.25rem; }
.gap-2    { gap: 0.5rem; }
.gap-3    { gap: 0.75rem; }
.gap-4    { gap: 1rem; }
.gap-6    { gap: 1.5rem; }
.gap-8    { gap: 2rem; }
.p-2 { padding: 0.5rem; }
.p-3 { padding: 0.75rem; }
.p-4 { padding: 1rem; }
.p-6 { padding: 1.5rem; }
.p-8 { padding: 2rem; }
.px-3 { padding-left: 0.75rem; padding-right: 0.75rem; }
.px-4 { padding-left: 1rem; padding-right: 1rem; }
.px-6 { padding-left: 1.5rem; padding-right: 1.5rem; }
.py-2 { padding-top: 0.5rem; padding-bottom: 0.5rem; }
.py-3 { padding-top: 0.75rem; padding-bottom: 0.75rem; }
.py-4 { padding-top: 1rem; padding-bottom: 1rem; }
.mt-2 { margin-top: 0.5rem; }
.mt-4 { margin-top: 1rem; }
.mt-6 { margin-top: 1.5rem; }
.mb-4 { margin-bottom: 1rem; }
.mb-6 { margin-bottom: 1.5rem; }
.ml-auto { margin-left: auto; }
.mr-auto { margin-right: auto; }
.mx-auto { margin-left: auto; margin-right: auto; }
.items-center { align-items: center; }
.items-start  { align-items: flex-start; }
.items-end    { align-items: flex-end; }
.justify-between { justify-content: space-between; }
.justify-center  { justify-content: center; }
.justify-end     { justify-content: flex-end; }
.flex-col    { flex-direction: column; }
.flex-wrap   { flex-wrap: wrap; }
.flex-1      { flex: 1; }
.flex-shrink-0 { flex-shrink: 0; }
.rounded-sm  { border-radius: var(--radius-sm); }
.rounded     { border-radius: var(--radius-md); }
.rounded-lg  { border-radius: var(--radius-lg); }
.rounded-xl  { border-radius: var(--radius-xl); }
.rounded-full { border-radius: var(--radius-pill); }
.opacity-0   { opacity: 0; }
.opacity-50  { opacity: 0.5; }
.opacity-75  { opacity: 0.75; }
.cursor-pointer { cursor: pointer; }

/* ── Glass Card ────────────────────────────────────────────── */
.glass-card {
  background: var(--bg-glass);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-card);
}

.glass-card-md {
  background: var(--bg-glass-md);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border: 1px solid var(--border-md);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-md);
}

/* ── Buttons ───────────────────────────────────────────────── */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  padding: 0.625rem 1.25rem;
  border-radius: var(--radius-md);
  font-size: 0.875rem;
  font-weight: 500;
  border: none;
  outline: none;
  transition: all var(--duration) var(--ease);
  white-space: nowrap;
  user-select: none;
  letter-spacing: 0.01em;
}
.btn:active { transform: scale(0.97); }

.btn-primary {
  background: var(--accent);
  color: #fff;
  box-shadow: 0 0 20px var(--accent-glow);
}
.btn-primary:hover {
  background: var(--accent-hover);
  box-shadow: 0 0 30px rgba(99,102,241,0.4);
  transform: translateY(-1px);
}

.btn-ghost {
  background: transparent;
  color: var(--text-secondary);
  border: 1px solid var(--border);
}
.btn-ghost:hover {
  background: var(--bg-hover);
  color: var(--text-primary);
  border-color: var(--border-md);
}

.btn-danger {
  background: rgba(239,68,68,0.12);
  color: var(--danger);
  border: 1px solid rgba(239,68,68,0.25);
}
.btn-danger:hover { background: rgba(239,68,68,0.2); }

.btn-success {
  background: rgba(34,197,94,0.12);
  color: var(--success);
  border: 1px solid rgba(34,197,94,0.25);
}
.btn-success:hover { background: rgba(34,197,94,0.2); }

.btn-sm { padding: 0.375rem 0.75rem; font-size: 0.8rem; border-radius: var(--radius-sm); }
.btn-lg { padding: 0.875rem 2rem; font-size: 1rem; border-radius: var(--radius-md); }
.btn-icon { padding: 0.5rem; border-radius: var(--radius-sm); }
.btn-icon-sm { padding: 0.35rem; border-radius: 6px; }

/* ── Inputs ────────────────────────────────────────────────── */
.input-group { display: flex; flex-direction: column; gap: 0.4rem; }
.input-label {
  font-size: 0.8rem;
  font-weight: 500;
  color: var(--text-secondary);
  letter-spacing: 0.03em;
  text-transform: uppercase;
}
.input {
  width: 100%;
  padding: 0.75rem 1rem;
  background: rgba(255,255,255,0.04);
  border: 1px solid var(--border-md);
  border-radius: var(--radius-md);
  color: var(--text-primary);
  font-size: 0.9rem;
  outline: none;
  transition: border-color var(--duration) var(--ease), box-shadow var(--duration) var(--ease);
}
.input::placeholder { color: var(--text-muted); }
.input:focus {
  border-color: var(--accent);
  box-shadow: 0 0 0 3px var(--accent-glow);
}
.input-error { border-color: var(--danger); }
.error-msg { font-size: 0.75rem; color: var(--danger); }

select.input {
  appearance: none;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' fill='%239ca3af' viewBox='0 0 16 16'%3E%3Cpath d='M7.247 11.14 2.451 5.658C1.885 5.013 2.345 4 3.204 4h9.592a1 1 0 0 1 .753 1.659l-4.796 5.48a1 1 0 0 1-1.506 0z'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 0.75rem center;
  padding-right: 2.5rem;
  cursor: pointer;
}
select.input option { background: var(--bg-elevated); color: var(--text-primary); }

textarea.input { resize: vertical; min-height: 80px; }

/* ── Badge ─────────────────────────────────────────────────── */
.badge {
  display: inline-flex;
  align-items: center;
  gap: 0.25rem;
  padding: 0.2rem 0.6rem;
  border-radius: var(--radius-pill);
  font-size: 0.7rem;
  font-weight: 600;
  letter-spacing: 0.04em;
  text-transform: uppercase;
}
.badge-active  { background: rgba(34,197,94,0.12);  color: var(--success); border: 1px solid rgba(34,197,94,0.25); }
.badge-review  { background: rgba(245,158,11,0.12); color: var(--warning); border: 1px solid rgba(245,158,11,0.25); }
.badge-closed  { background: rgba(239,68,68,0.12);  color: var(--danger);  border: 1px solid rgba(239,68,68,0.25); }
.badge-deleted { background: rgba(75,85,99,0.2);    color: var(--text-muted); border: 1px solid rgba(75,85,99,0.3); }
.badge-accent  { background: rgba(99,102,241,0.15); color: var(--text-accent); border: 1px solid rgba(99,102,241,0.3); }
.badge-approved { background: rgba(34,197,94,0.15); color: var(--success); border: 1px solid rgba(34,197,94,0.3); }

/* ── Avatar ────────────────────────────────────────────────── */
.avatar {
  width: 36px;
  height: 36px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--accent), #818cf8);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.85rem;
  font-weight: 600;
  color: #fff;
  flex-shrink: 0;
  box-shadow: 0 2px 8px rgba(99,102,241,0.3);
}
.avatar-sm { width: 28px; height: 28px; font-size: 0.7rem; }
.avatar-lg { width: 48px; height: 48px; font-size: 1.1rem; }

/* ── Sidebar Layout ────────────────────────────────────────── */
.app-layout {
  display: flex;
  min-height: 100vh;
}

.sidebar {
  width: 260px;
  min-height: 100vh;
  background: var(--bg-surface);
  border-right: 1px solid var(--border);
  display: flex;
  flex-direction: column;
  padding: 1.5rem 1rem;
  position: fixed;
  top: 0;
  left: 0;
  bottom: 0;
  z-index: 20;
  overflow-y: auto;
}

.main-content {
  margin-left: 260px;
  flex: 1;
  padding: 2rem;
  min-height: 100vh;
}

.logo {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  padding: 0 0.5rem;
  margin-bottom: 2rem;
}
.logo-icon {
  width: 36px;
  height: 36px;
  background: var(--accent);
  border-radius: 10px;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: var(--shadow-glow);
}
.logo-text {
  font-size: 1.05rem;
  font-weight: 700;
  color: var(--text-primary);
  letter-spacing: -0.01em;
}
.logo-sub {
  font-size: 0.65rem;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.08em;
}

.nav-section {
  margin-bottom: 1.5rem;
}
.nav-label {
  font-size: 0.65rem;
  font-weight: 600;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.1em;
  padding: 0 0.5rem;
  margin-bottom: 0.5rem;
}
.nav-item {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  padding: 0.6rem 0.75rem;
  border-radius: var(--radius-md);
  font-size: 0.875rem;
  font-weight: 500;
  color: var(--text-secondary);
  cursor: pointer;
  transition: all var(--duration) var(--ease);
  border: none;
  background: none;
  width: 100%;
  text-align: left;
  text-decoration: none;
}
.nav-item svg { opacity: 0.7; flex-shrink: 0; }
.nav-item:hover { background: var(--bg-hover); color: var(--text-primary); }
.nav-item:hover svg { opacity: 1; }
.nav-item.active {
  background: rgba(99,102,241,0.12);
  color: var(--text-accent);
  border: 1px solid rgba(99,102,241,0.2);
}
.nav-item.active svg { opacity: 1; color: var(--accent); }

.sidebar-footer {
  margin-top: auto;
  padding-top: 1rem;
  border-top: 1px solid var(--border);
}
.user-info {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  padding: 0.5rem;
  border-radius: var(--radius-md);
  transition: background var(--duration) var(--ease);
  cursor: pointer;
}
.user-info:hover { background: var(--bg-hover); }
.user-details { flex: 1; min-width: 0; }
.user-name  { font-size: 0.875rem; font-weight: 600; color: var(--text-primary); white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.user-role  { font-size: 0.7rem; color: var(--text-muted); text-transform: capitalize; }

/* ── Page Header ───────────────────────────────────────────── */
.page-header {
  margin-bottom: 2rem;
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 1rem;
  flex-wrap: wrap;
}
.page-title {
  font-size: 1.75rem;
  font-weight: 700;
  color: var(--text-primary);
  letter-spacing: -0.02em;
  line-height: 1.2;
}
.page-subtitle {
  font-size: 0.875rem;
  color: var(--text-secondary);
  margin-top: 0.25rem;
}

/* ── Portfolio Grid ────────────────────────────────────────── */
.portfolio-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: 1.25rem;
}

.portfolio-card {
  background: var(--bg-glass);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  overflow: hidden;
  transition: all var(--duration) var(--ease);
  cursor: pointer;
  box-shadow: var(--shadow-card);
  position: relative;
}
.portfolio-card:hover {
  border-color: var(--border-md);
  transform: translateY(-3px);
  box-shadow: var(--shadow-md), 0 0 0 1px rgba(99,102,241,0.15);
}

.portfolio-card-thumb {
  width: 100%;
  height: 160px;
  background: linear-gradient(135deg, #1a1a2e, #16213e, #0f3460);
  position: relative;
  overflow: hidden;
  display: flex;
  align-items: center;
  justify-content: center;
}
.portfolio-card-thumb img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  opacity: 0.8;
}
.portfolio-card-thumb .thumb-placeholder {
  color: rgba(255,255,255,0.15);
}

.portfolio-card-body { padding: 1rem 1.25rem; }
.portfolio-card-title { font-size: 1rem; font-weight: 600; margin-bottom: 0.5rem; }
.portfolio-card-meta {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-top: 0.75rem;
}
.portfolio-card-stats {
  display: flex;
  gap: 1rem;
  font-size: 0.75rem;
  color: var(--text-muted);
}
.expiry-warning { color: var(--warning); }

/* ── Stats Row ─────────────────────────────────────────────── */
.stats-row {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(140px, 1fr));
  gap: 1rem;
  margin-bottom: 2rem;
}
.stat-card {
  background: var(--bg-glass);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 1.25rem;
  box-shadow: var(--shadow-card);
}
.stat-value { font-size: 2rem; font-weight: 800; color: var(--text-primary); line-height: 1; }
.stat-label { font-size: 0.75rem; color: var(--text-secondary); margin-top: 0.25rem; text-transform: uppercase; letter-spacing: 0.05em; }
.stat-change { font-size: 0.75rem; color: var(--success); margin-top: 0.5rem; }

/* ── Masonry Grid ──────────────────────────────────────────── */
.masonry-grid {
  columns: 3;
  column-gap: 1rem;
}
@media (max-width: 1100px) { .masonry-grid { columns: 2; } }
@media (max-width: 700px)  { .masonry-grid { columns: 1; } }

.masonry-item {
  break-inside: avoid;
  margin-bottom: 1rem;
  position: relative;
  cursor: pointer;
  border-radius: var(--radius-md);
  overflow: hidden;
  border: 1px solid var(--border);
  background: var(--bg-surface);
  transition: all var(--duration) var(--ease);
  box-shadow: var(--shadow-sm);
}
.masonry-item:hover {
  border-color: var(--border-md);
  transform: scale(1.01);
  box-shadow: var(--shadow-md);
}

.masonry-item img,
.masonry-item video {
  width: 100%;
  height: auto;
  display: block;
  transition: opacity var(--duration) var(--ease);
}
.masonry-item:hover img { opacity: 0.85; }

.masonry-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(to top, rgba(0,0,0,0.7) 0%, transparent 50%);
  opacity: 0;
  transition: opacity var(--duration) var(--ease);
  display: flex;
  align-items: flex-end;
  padding: 0.75rem;
}
.masonry-item:hover .masonry-overlay { opacity: 1; }

.masonry-actions {
  display: flex;
  gap: 0.4rem;
  align-items: center;
  flex-wrap: wrap;
}

.masonry-item .drag-handle {
  position: absolute;
  top: 8px;
  left: 8px;
  background: rgba(0,0,0,0.6);
  border-radius: 6px;
  padding: 4px;
  opacity: 0;
  transition: opacity var(--duration) var(--ease);
  cursor: grab;
}
.masonry-item:hover .drag-handle { opacity: 1; }

.masonry-item .version-badge {
  position: absolute;
  top: 8px;
  right: 8px;
  background: rgba(0,0,0,0.7);
  backdrop-filter: blur(8px);
  border-radius: var(--radius-pill);
  padding: 2px 8px;
  font-size: 0.65rem;
  font-weight: 600;
  color: var(--text-accent);
  letter-spacing: 0.05em;
  border: 1px solid rgba(99,102,241,0.3);
}

.approved-overlay {
  position: absolute;
  top: 8px;
  left: 8px;
  background: rgba(34,197,94,0.2);
  border: 1px solid rgba(34,197,94,0.4);
  border-radius: var(--radius-pill);
  padding: 2px 8px;
  font-size: 0.65rem;
  font-weight: 600;
  color: var(--success);
  letter-spacing: 0.04em;
  text-transform: uppercase;
}

/* ── Drag-and-Drop Upload Zone ─────────────────────────────── */
.upload-zone {
  border: 2px dashed var(--border-md);
  border-radius: var(--radius-lg);
  padding: 2.5rem;
  text-align: center;
  cursor: pointer;
  transition: all var(--duration) var(--ease);
  background: var(--bg-glass);
  position: relative;
}
.upload-zone:hover, .upload-zone.drag-over {
  border-color: var(--accent);
  background: rgba(99,102,241,0.05);
  box-shadow: 0 0 0 4px var(--accent-glow);
}
.upload-zone input[type="file"] {
  position: absolute;
  inset: 0;
  opacity: 0;
  cursor: pointer;
}
.upload-icon { margin-bottom: 0.75rem; color: var(--text-muted); }
.upload-title { font-weight: 600; margin-bottom: 0.25rem; }
.upload-sub { font-size: 0.8rem; color: var(--text-muted); }

/* ── Progress Bar ──────────────────────────────────────────── */
.progress-list { margin-top: 1rem; display: flex; flex-direction: column; gap: 0.5rem; }
.progress-item {
  background: var(--bg-glass);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  padding: 0.6rem 0.75rem;
}
.progress-name { font-size: 0.8rem; margin-bottom: 0.35rem; display: flex; justify-content: space-between; }
.progress-bar-wrap {
  height: 4px;
  background: rgba(255,255,255,0.08);
  border-radius: var(--radius-pill);
  overflow: hidden;
}
.progress-bar {
  height: 100%;
  background: linear-gradient(90deg, var(--accent), var(--accent-light));
  border-radius: var(--radius-pill);
  transition: width 0.3s var(--ease);
}
.progress-bar.complete { background: linear-gradient(90deg, var(--success), #86efac); }

/* ── Lightbox ──────────────────────────────────────────────── */
.lightbox-overlay {
  position: fixed;
  inset: 0;
  background: rgba(0,0,0,0.96);
  z-index: 1000;
  display: flex;
  align-items: center;
  justify-content: center;
  animation: fadeIn 0.2s var(--ease);
}
@keyframes fadeIn { from { opacity: 0; } to { opacity: 1; } }

.lightbox-inner {
  display: flex;
  width: 100%;
  height: 100vh;
  position: relative;
}

.lightbox-media-area {
  flex: 1;
  display: flex;
  align-items: center;
  justify-content: center;
  position: relative;
  overflow: hidden;
  user-select: none;
}

.lightbox-media-wrap {
  position: relative;
  max-width: 90%;
  max-height: 85vh;
  overflow: hidden;
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-lg);
  cursor: crosshair;
}
.lightbox-media-wrap img,
.lightbox-media-wrap video {
  max-width: 100%;
  max-height: 85vh;
  object-fit: contain;
  display: block;
  transition: transform 0.3s var(--ease);
  transform-origin: center center;
}

.lightbox-nav-btn {
  position: absolute;
  top: 50%;
  transform: translateY(-50%);
  background: rgba(255,255,255,0.08);
  backdrop-filter: blur(12px);
  border: 1px solid var(--border-md);
  border-radius: 50%;
  width: 48px;
  height: 48px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--text-primary);
  cursor: pointer;
  transition: all var(--duration) var(--ease);
  z-index: 5;
}
.lightbox-nav-btn:hover { background: rgba(255,255,255,0.15); transform: translateY(-50%) scale(1.05); }
.lightbox-prev { left: 1.5rem; }
.lightbox-next { right: 1.5rem; }

.lightbox-toolbar {
  position: absolute;
  bottom: 1.5rem;
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  align-items: center;
  gap: 0.5rem;
  background: rgba(0,0,0,0.7);
  backdrop-filter: blur(16px);
  border: 1px solid var(--border-md);
  border-radius: var(--radius-pill);
  padding: 0.5rem 1rem;
  z-index: 5;
}

.lightbox-top-bar {
  position: absolute;
  top: 0;
  left: 0;
  right: 380px;
  height: 64px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 1.5rem;
  background: linear-gradient(to bottom, rgba(0,0,0,0.8), transparent);
  z-index: 5;
}

.lightbox-sidebar {
  width: 380px;
  height: 100vh;
  background: var(--bg-surface);
  border-left: 1px solid var(--border);
  display: flex;
  flex-direction: column;
  overflow: hidden;
}
.lightbox-sidebar-tabs {
  display: flex;
  border-bottom: 1px solid var(--border);
}
.lightbox-tab {
  flex: 1;
  padding: 1rem;
  font-size: 0.8rem;
  font-weight: 500;
  color: var(--text-muted);
  cursor: pointer;
  transition: all var(--duration) var(--ease);
  border: none;
  background: none;
  border-bottom: 2px solid transparent;
}
.lightbox-tab.active { color: var(--text-accent); border-bottom-color: var(--accent); }
.lightbox-tab-content { flex: 1; overflow-y: auto; padding: 1.25rem; }

/* Zoom indicator */
.zoom-level {
  font-size: 0.75rem;
  color: var(--text-secondary);
  min-width: 36px;
  text-align: center;
}

/* Reaction buttons */
.reaction-btn {
  display: flex;
  align-items: center;
  gap: 0.35rem;
  padding: 0.35rem 0.75rem;
  border-radius: var(--radius-pill);
  font-size: 0.8rem;
  font-weight: 500;
  border: 1px solid var(--border-md);
  background: rgba(255,255,255,0.05);
  color: var(--text-secondary);
  cursor: pointer;
  transition: all var(--duration) var(--ease);
}
.reaction-btn:hover { background: rgba(255,255,255,0.1); color: var(--text-primary); }
.reaction-btn.liked    { background: rgba(239,68,68,0.15);  color: #fb7185; border-color: rgba(239,68,68,0.3); }
.reaction-btn.disliked { background: rgba(99,102,241,0.15); color: var(--text-accent); border-color: var(--border-accent); }
.reaction-btn.approved { background: rgba(34,197,94,0.15);  color: var(--success); border-color: rgba(34,197,94,0.3); }

/* Version switcher */
.version-switcher {
  display: flex;
  gap: 0.4rem;
  flex-wrap: wrap;
}
.version-chip {
  padding: 0.3rem 0.7rem;
  border-radius: var(--radius-pill);
  font-size: 0.75rem;
  font-weight: 600;
  border: 1px solid var(--border-md);
  background: rgba(255,255,255,0.05);
  color: var(--text-secondary);
  cursor: pointer;
  transition: all var(--duration) var(--ease);
  letter-spacing: 0.04em;
}
.version-chip:hover { background: rgba(255,255,255,0.1); color: var(--text-primary); }
.version-chip.active {
  background: rgba(99,102,241,0.2);
  color: var(--text-accent);
  border-color: var(--border-accent);
}

/* Compare Slider */
.compare-container {
  position: relative;
  overflow: hidden;
  cursor: col-resize;
  border-radius: var(--radius-md);
  user-select: none;
  max-height: 85vh;
  display: flex;
  align-items: center;
  justify-content: center;
}
.compare-img-before { display: block; max-height: 85vh; }
.compare-img-after {
  position: absolute;
  inset: 0;
  overflow: hidden;
  width: 50%;
  transition: width 0s;
}
.compare-img-after img { position: absolute; top: 0; left: 0; max-height: 85vh; }
.compare-divider {
  position: absolute;
  top: 0;
  bottom: 0;
  left: 50%;
  width: 2px;
  background: white;
  transform: translateX(-50%);
  pointer-events: none;
}
.compare-handle {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  width: 40px;
  height: 40px;
  background: white;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  pointer-events: none;
  box-shadow: var(--shadow-md);
}

/* Pin annotations */
.pin-marker {
  position: absolute;
  width: 24px;
  height: 24px;
  background: var(--accent);
  border: 2px solid white;
  border-radius: 50%;
  transform: translate(-50%, -50%);
  cursor: pointer;
  z-index: 10;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.6rem;
  font-weight: 700;
  color: white;
  box-shadow: 0 2px 8px rgba(0,0,0,0.5);
  transition: transform var(--duration) var(--ease-spring);
}
.pin-marker:hover { transform: translate(-50%, -50%) scale(1.2); }

/* ── Comments ──────────────────────────────────────────────── */
.comment-thread { display: flex; flex-direction: column; gap: 0.75rem; }
.comment-item {
  display: flex;
  gap: 0.75rem;
  align-items: flex-start;
}
.comment-content { flex: 1; }
.comment-author {
  font-size: 0.8rem;
  font-weight: 600;
  color: var(--text-primary);
}
.comment-time { font-size: 0.7rem; color: var(--text-muted); margin-left: 0.5rem; }
.comment-text { font-size: 0.85rem; color: var(--text-secondary); margin-top: 0.25rem; line-height: 1.5; }
.comment-pin-badge {
  font-size: 0.65rem;
  background: rgba(99,102,241,0.15);
  color: var(--text-accent);
  padding: 1px 6px;
  border-radius: var(--radius-pill);
  margin-left: 0.5rem;
  border: 1px solid rgba(99,102,241,0.25);
}
.comment-actions { margin-top: 0.35rem; display: flex; gap: 0.5rem; }
.comment-action-btn {
  font-size: 0.72rem;
  color: var(--text-muted);
  background: none;
  border: none;
  cursor: pointer;
  padding: 0;
  transition: color var(--duration) var(--ease);
}
.comment-action-btn:hover { color: var(--text-primary); }

.comment-replies { margin-left: 2.5rem; border-left: 1px solid var(--border); padding-left: 1rem; margin-top: 0.5rem; }

.comment-form {
  display: flex;
  gap: 0.5rem;
  align-items: flex-start;
  margin-top: 1rem;
  padding-top: 1rem;
  border-top: 1px solid var(--border);
}
.comment-form textarea {
  flex: 1;
  resize: none;
  min-height: 60px;
  font-size: 0.85rem;
}
.pin-mode-indicator {
  font-size: 0.75rem;
  padding: 0.3rem 0.75rem;
  background: rgba(99,102,241,0.12);
  border: 1px solid var(--border-accent);
  border-radius: var(--radius-pill);
  color: var(--text-accent);
  margin-bottom: 0.5rem;
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

/* ── Modal ─────────────────────────────────────────────────── */
.modal-overlay {
  position: fixed;
  inset: 0;
  background: rgba(0,0,0,0.75);
  backdrop-filter: blur(4px);
  z-index: 500;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 1rem;
  animation: fadeIn 0.15s var(--ease);
}
.modal {
  background: var(--bg-elevated);
  border: 1px solid var(--border-md);
  border-radius: var(--radius-xl);
  padding: 2rem;
  width: 100%;
  max-width: 480px;
  box-shadow: var(--shadow-lg);
  animation: slideUp 0.2s var(--ease);
}
@keyframes slideUp { from { opacity: 0; transform: translateY(16px); } to { opacity: 1; transform: translateY(0); } }
.modal-title { font-size: 1.25rem; font-weight: 700; margin-bottom: 0.25rem; }
.modal-sub { font-size: 0.85rem; color: var(--text-secondary); margin-bottom: 1.5rem; }
.modal-actions { display: flex; gap: 0.75rem; margin-top: 1.5rem; justify-content: flex-end; }
.modal-form { display: flex; flex-direction: column; gap: 1rem; }

/* ── Auth Page ─────────────────────────────────────────────── */
.auth-page {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  background: radial-gradient(ellipse at 20% 50%, rgba(99,102,241,0.08) 0%, transparent 60%),
              radial-gradient(ellipse at 80% 20%, rgba(99,102,241,0.04) 0%, transparent 50%),
              var(--bg-base);
}
.auth-card {
  width: 420px;
  max-width: calc(100vw - 2rem);
  background: var(--bg-glass-md);
  backdrop-filter: blur(20px);
  border: 1px solid var(--border-md);
  border-radius: var(--radius-xl);
  padding: 2.5rem;
  box-shadow: var(--shadow-lg), 0 0 60px rgba(99,102,241,0.06);
}
.auth-logo { text-align: center; margin-bottom: 2rem; }
.auth-logo-icon {
  width: 56px;
  height: 56px;
  background: var(--accent);
  border-radius: 16px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 0.75rem;
  box-shadow: var(--shadow-glow);
}
.auth-title { font-size: 1.5rem; font-weight: 800; text-align: center; margin-bottom: 0.25rem; letter-spacing: -0.02em; }
.auth-sub { font-size: 0.85rem; color: var(--text-secondary); text-align: center; margin-bottom: 2rem; }
.auth-form { display: flex; flex-direction: column; gap: 1rem; }
.auth-toggle {
  text-align: center;
  font-size: 0.85rem;
  color: var(--text-secondary);
  margin-top: 1.25rem;
}
.auth-toggle a {
  color: var(--text-accent);
  cursor: pointer;
  font-weight: 500;
  text-decoration: underline;
  text-underline-offset: 3px;
}
.auth-divider {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  margin: 0.75rem 0;
}
.auth-divider::before, .auth-divider::after {
  content: '';
  flex: 1;
  height: 1px;
  background: var(--border);
}
.auth-divider span { font-size: 0.75rem; color: var(--text-muted); white-space: nowrap; }

/* ── Table ─────────────────────────────────────────────────── */
.table-wrap {
  overflow-x: auto;
  border-radius: var(--radius-lg);
  border: 1px solid var(--border);
}
table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.875rem;
}
thead { background: rgba(255,255,255,0.03); }
th {
  padding: 0.75rem 1rem;
  text-align: left;
  font-size: 0.7rem;
  font-weight: 600;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.08em;
  border-bottom: 1px solid var(--border);
  white-space: nowrap;
}
td {
  padding: 0.875rem 1rem;
  border-bottom: 1px solid var(--border);
  color: var(--text-secondary);
  vertical-align: middle;
}
tbody tr:last-child td { border-bottom: none; }
tbody tr { transition: background var(--duration) var(--ease); }
tbody tr:hover { background: var(--bg-hover); }

/* ── Tabs ──────────────────────────────────────────────────── */
.tabs {
  display: flex;
  gap: 0.25rem;
  padding: 0.25rem;
  background: rgba(255,255,255,0.04);
  border-radius: var(--radius-md);
  border: 1px solid var(--border);
  width: fit-content;
}
.tab-btn {
  padding: 0.5rem 1rem;
  border-radius: 10px;
  font-size: 0.825rem;
  font-weight: 500;
  color: var(--text-secondary);
  border: none;
  background: none;
  cursor: pointer;
  transition: all var(--duration) var(--ease);
}
.tab-btn:hover { color: var(--text-primary); background: var(--bg-hover); }
.tab-btn.active {
  background: var(--bg-elevated);
  color: var(--text-primary);
  box-shadow: var(--shadow-sm);
  border: 1px solid var(--border);
}

/* ── Toast Notifications ───────────────────────────────────── */
.toast-container {
  position: fixed;
  bottom: 1.5rem;
  right: 1.5rem;
  z-index: 9999;
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
  pointer-events: none;
}
.toast {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  padding: 0.875rem 1.25rem;
  background: var(--bg-elevated);
  border: 1px solid var(--border-md);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-lg);
  min-width: 280px;
  max-width: 380px;
  pointer-events: all;
  animation: toastIn 0.3s var(--ease-spring);
  backdrop-filter: blur(16px);
  font-size: 0.875rem;
}
.toast.out { animation: toastOut 0.25s var(--ease) forwards; }
@keyframes toastIn {
  from { opacity: 0; transform: translateX(100%); }
  to   { opacity: 1; transform: translateX(0); }
}
@keyframes toastOut {
  from { opacity: 1; transform: translateX(0); }
  to   { opacity: 0; transform: translateX(100%); }
}
.toast-icon { flex-shrink: 0; width: 20px; height: 20px; }
.toast-msg { flex: 1; font-weight: 500; }
.toast-success { border-color: rgba(34,197,94,0.3);  background: rgba(34,197,94,0.06); }
.toast-error   { border-color: rgba(239,68,68,0.3);  background: rgba(239,68,68,0.06); }
.toast-warning { border-color: rgba(245,158,11,0.3); background: rgba(245,158,11,0.06); }
.toast-info    { border-color: rgba(99,102,241,0.3); background: rgba(99,102,241,0.06); }

/* ── Scrollbar ─────────────────────────────────────────────── */
::-webkit-scrollbar { width: 4px; height: 4px; }
::-webkit-scrollbar-track { background: transparent; }
::-webkit-scrollbar-thumb { background: rgba(255,255,255,0.1); border-radius: 2px; }
::-webkit-scrollbar-thumb:hover { background: rgba(255,255,255,0.2); }

/* ── Loading / Skeleton ────────────────────────────────────── */
.skeleton {
  background: linear-gradient(90deg, rgba(255,255,255,0.04) 25%, rgba(255,255,255,0.08) 50%, rgba(255,255,255,0.04) 75%);
  background-size: 200% 100%;
  animation: shimmer 1.5s infinite;
  border-radius: var(--radius-sm);
}
@keyframes shimmer {
  0%   { background-position: 200% 0; }
  100% { background-position: -200% 0; }
}

.spinner {
  width: 20px;
  height: 20px;
  border: 2px solid rgba(255,255,255,0.1);
  border-top-color: var(--accent);
  border-radius: 50%;
  animation: spin 0.7s linear infinite;
}
@keyframes spin { to { transform: rotate(360deg); } }

/* ── Empty State ───────────────────────────────────────────── */
.empty-state {
  text-align: center;
  padding: 4rem 2rem;
  color: var(--text-muted);
}
.empty-state svg { margin: 0 auto 1rem; opacity: 0.3; }
.empty-state h3 { font-size: 1rem; font-weight: 600; color: var(--text-secondary); margin-bottom: 0.5rem; }
.empty-state p  { font-size: 0.85rem; }

/* ── Section ───────────────────────────────────────────────── */
.section { margin-bottom: 2.5rem; }
.section-header { display: flex; align-items: center; justify-content: space-between; margin-bottom: 1.25rem; gap: 1rem; }
.section-title { font-size: 1.1rem; font-weight: 700; }

/* ── Portfolio Detail Header ───────────────────────────────── */
.portfolio-header {
  background: var(--bg-glass);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 1.5rem 2rem;
  margin-bottom: 2rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 1rem;
  box-shadow: var(--shadow-card);
}
.portfolio-header-left {}
.portfolio-header-title { font-size: 1.5rem; font-weight: 700; letter-spacing: -0.02em; }
.portfolio-header-meta {
  display: flex;
  align-items: center;
  gap: 1rem;
  margin-top: 0.5rem;
  flex-wrap: wrap;
}

/* ── Expiry Counter ────────────────────────────────────────── */
.expiry-countdown {
  display: flex;
  align-items: center;
  gap: 0.4rem;
  font-size: 0.75rem;
  color: var(--text-secondary);
}
.expiry-countdown.urgent { color: var(--danger); }
.expiry-countdown.warning { color: var(--warning); }

/* ── Client chips ──────────────────────────────────────────── */
.client-chips { display: flex; gap: 0.4rem; flex-wrap: wrap; }
.client-chip {
  display: flex;
  align-items: center;
  gap: 0.35rem;
  padding: 0.25rem 0.6rem;
  background: rgba(99,102,241,0.08);
  border: 1px solid rgba(99,102,241,0.18);
  border-radius: var(--radius-pill);
  font-size: 0.72rem;
  color: var(--text-secondary);
}

/* ── Responsive ────────────────────────────────────────────── */
@media (max-width: 768px) {
  .sidebar { transform: translateX(-100%); transition: transform 0.3s var(--ease); }
  .sidebar.open { transform: translateX(0); }
  .main-content { margin-left: 0; padding: 1rem; }
  .lightbox-sidebar { display: none; }
  .lightbox-top-bar { right: 0; }
}

/* ── Icon sizes ────────────────────────────────────────────── */
svg { display: inline-block; vertical-align: middle; }