/**
 * aisi-bootstrap-custom.css
 * AISI Bootstrap Theme - Arc Browser Glassmorphism Style
 * Brand Color: #5f849b
 */

/* ============================================
   AISI Brand Color System
============================================ */
:root {
  /* Primary Brand Colors */
  --aisi-primary: #5f849b;
  --aisi-primary-dark: #4a6b7d;
  --aisi-primary-light: #7a9db3;
  --aisi-primary-pale: #bcd0dc;

  /* Secondary & Accent Colors */
  --aisi-secondary: #f2b263;
  --aisi-success: #10b981;
  --aisi-info: #5fc3e4;
  --aisi-warning: #f59e0b;
  --aisi-danger: #ef4444;

  /* Backgrounds */
  --aisi-bg: #f5f7f9;
  --aisi-bg-glass: rgba(255, 255, 255, 0.72);
  --aisi-card: #ffffff;
  --aisi-border: #e0e6ed;

  /* Shadows */
  --aisi-shadow-sm: 0 1px 2px rgba(95, 132, 155, 0.06);
  --aisi-shadow-md: 0 4px 12px rgba(95, 132, 155, 0.1);
  --aisi-shadow-lg: 0 8px 30px rgba(95, 132, 155, 0.15);
  --aisi-shadow-glow: 0 0 40px rgba(95, 132, 155, 0.2);

  /* Glassmorphism */
  --aisi-blur-sm: 8px;
  --aisi-blur-md: 16px;
  --aisi-blur-lg: 24px;

  /* Text Colors */
  --aisi-text: #1a2e3b;
  --aisi-text-secondary: #4b5e6d;
  --aisi-text-muted: #8fa3b1;

  /* Transitions */
  --aisi-transition: 250ms cubic-bezier(0.4, 0, 0.2, 1);
}

/* ============================================
   Dark Theme — Midnight Ocean
   A warm-cool dark palette that extends the AISI
   steel-blue brand into a deep oceanic night.
   Surface hierarchy: base → raised → elevated
============================================ */
[data-theme="dark"] {
  /* Surface hierarchy (warm undertone, not pure black) */
  --aisi-bg: #101820;
  --aisi-bg-glass: rgba(18, 28, 38, 0.82);
  --aisi-card: #172030;
  --aisi-border: rgba(95, 132, 155, 0.18);

  /* Text on dark — tinted slightly toward brand blue */
  --aisi-text: #dce6ed;
  --aisi-text-secondary: #93adc0;
  --aisi-text-muted: #5a7a90;

  /* Brand accent shifts lighter for contrast on dark */
  --aisi-primary: #6e9ab5;
  --aisi-primary-dark: #5a849e;
  --aisi-primary-light: #8fb8d0;
  --aisi-primary-pale: #3a5568;

  /* Shadows — subtle colored glow instead of pure black */
  --aisi-shadow-sm: 0 1px 3px rgba(10, 18, 28, 0.4);
  --aisi-shadow-md: 0 4px 14px rgba(10, 18, 28, 0.45), 0 0 1px rgba(95, 132, 155, 0.1);
  --aisi-shadow-lg: 0 8px 32px rgba(10, 18, 28, 0.55), 0 0 2px rgba(95, 132, 155, 0.08);
  --aisi-shadow-glow: 0 0 40px rgba(95, 155, 190, 0.12);

  color-scheme: dark;
}

/* ============================================
   Base Styles
============================================ */
body {
  background-color: var(--aisi-bg) !important;
  background-image:
    radial-gradient(ellipse at 20% 0%, rgba(95, 132, 155, 0.06) 0%, transparent 50%),
    radial-gradient(ellipse at 80% 100%, rgba(122, 157, 179, 0.05) 0%, transparent 50%);
}

/* ============================================
   Accent Classes
============================================ */
.aisi-accent {
  background: linear-gradient(135deg, var(--aisi-primary-dark) 0%, var(--aisi-primary) 50%, var(--aisi-primary-light) 100%) !important;
  color: #fff !important;
}

.aisi-accent-text {
  color: var(--aisi-primary) !important;
}

.aisi-accent-background {
  background: linear-gradient(135deg, var(--aisi-primary-dark) 0%, var(--aisi-primary) 50%, var(--aisi-primary-light) 100%) !important;
}

/* ============================================
   Cards - Glassmorphism Style
============================================ */
.aisi-card {
  background: var(--aisi-bg-glass);
  backdrop-filter: blur(var(--aisi-blur-md));
  -webkit-backdrop-filter: blur(var(--aisi-blur-md));
  border-radius: 16px;
  box-shadow: var(--aisi-shadow-md);
  border: 1px solid rgba(95, 132, 155, 0.1);
  transition: all var(--aisi-transition);
}

.aisi-card:hover {
  box-shadow: var(--aisi-shadow-lg);
  transform: translateY(-2px);
}

.card.border-primary {
  border-color: var(--aisi-primary) !important;
}

.card-header.bg-primary {
  background: linear-gradient(135deg, var(--aisi-primary-dark) 0%, var(--aisi-primary) 100%) !important;
  color: #fff !important;
  border-bottom: none;
}

/* ============================================
   Buttons - Glassmorphism Style
============================================ */
.btn-primary,
.btn-primary:focus,
.btn-primary:active {
  background: linear-gradient(135deg, var(--aisi-primary-dark) 0%, var(--aisi-primary) 50%, var(--aisi-primary-light) 100%) !important;
  border: none !important;
  color: #fff !important;
  box-shadow: var(--aisi-shadow-sm), inset 0 1px 0 rgba(255, 255, 255, 0.15);
  transition: all var(--aisi-transition);
}

.btn-primary:hover {
  transform: translateY(-1px);
  box-shadow: var(--aisi-shadow-md), var(--aisi-shadow-glow);
}

.btn-secondary,
.btn-secondary:focus,
.btn-secondary:active {
  background: linear-gradient(135deg, #e09840 0%, var(--aisi-secondary) 100%) !important;
  border: none !important;
  color: #fff !important;
  box-shadow: var(--aisi-shadow-sm);
}

.btn-secondary:hover {
  transform: translateY(-1px);
  box-shadow: var(--aisi-shadow-md);
}

.btn-outline-primary {
  background: transparent;
  border: 2px solid var(--aisi-primary) !important;
  color: var(--aisi-primary) !important;
}

.btn-outline-primary:hover,
.btn-outline-primary.active,
.btn-check:checked + .btn-outline-primary {
  background: linear-gradient(135deg, var(--aisi-primary-dark) 0%, var(--aisi-primary) 100%) !important;
  border-color: transparent !important;
  color: #fff !important;
}

/* ============================================
   Tables
============================================ */
.table thead {
  background: linear-gradient(135deg, var(--aisi-primary-dark) 0%, var(--aisi-primary) 100%) !important;
  color: #fff !important;
}

.table-bordered > :not(caption) > * > * {
  border-color: var(--aisi-border);
}

.table-striped > tbody > tr:nth-of-type(odd) > * {
  --bs-table-accent-bg: rgba(95, 132, 155, 0.03);
}

.table-striped > tbody > tr:nth-of-type(even) > * {
  background-color: var(--aisi-card);
}

/* ============================================
   Forms
============================================ */
input:focus,
.form-control:focus,
.form-select:focus {
  border-color: var(--aisi-primary);
  box-shadow: 0 0 0 3px rgba(95, 132, 155, 0.15);
  outline: none;
}

.spinner-border.text-primary {
  color: var(--aisi-primary) !important;
}

/* ============================================
   List Groups & Menu Links
============================================ */
.list-group-item a {
  text-decoration: none !important;
  transition: color var(--aisi-transition);
}

.list-group-item a:hover {
  text-decoration: none !important;
  color: var(--aisi-primary) !important;
}

.menu-link {
  display: flex;
  align-items: center;
  gap: 0.5em;
  color: #333c4c !important;
  font-weight: 500;
  font-size: 1.08em;
  background: none !important;
  border: none;
  box-shadow: none;
  text-decoration: none !important;
  transition: all var(--aisi-transition);
  padding: 0.5rem 0.75rem;
  border-radius: 8px;
}

.menu-link .bi {
  font-size: 1.2em;
  color: var(--aisi-primary);
}

.menu-link.is-active,
.menu-link.active,
.menu-link:hover {
  color: var(--aisi-primary) !important;
  background: rgba(95, 132, 155, 0.08) !important;
}

.list-group-item {
  background: transparent;
  border: none;
  transition: background var(--aisi-transition);
}

.list-group-item:hover {
  background: rgba(95, 132, 155, 0.05);
}

/* ============================================
   Input Center Layout
============================================ */
@media (min-width: 768px) {
  .aisi-input-center {
    max-width: 400px;
    margin-left: auto;
    margin-right: auto;
  }
}

/* ============================================
   Responsive Image Container
============================================ */
.responsive-img-container {
  display: flex;
  justify-content: center;
  align-items: center;
  width: 100%;
  margin: 0 auto;
  padding: 16px 0;
}

.responsive-img-container img {
  width: 90px;
  max-width: 100%;
  height: auto;
  display: block;
}

@media (max-width: 600px) {
  .responsive-img-container img {
    width: 60px;
  }
}

.aisi-logo-right {
  position: absolute;
  right: 1rem;
  top: 50%;
  transform: translateY(-50%);
  height: 40px;
  width: auto;
  margin-right: 0.5rem;
}

/* ============================================
   Task & Portfolio Cards - Glassmorphism
============================================ */
.aisi-task-card,
.aisi-portfolio-card {
  position: relative;
  background: var(--aisi-bg-glass);
  backdrop-filter: blur(var(--aisi-blur-sm));
  -webkit-backdrop-filter: blur(var(--aisi-blur-sm));
  border: 1px solid var(--aisi-border);
  border-radius: 16px;
  /* 左側標籤色條改用 inset box-shadow，自動貼合圓角、不需 overflow:hidden */
  box-shadow: var(--aisi-shadow-sm), inset 4px 0 0 var(--tag-c, var(--aisi-primary));
  transition: transform var(--aisi-transition), box-shadow var(--aisi-transition), border-color var(--aisi-transition);
  animation: aisiCardIn 0.5s cubic-bezier(0.22, 1, 0.36, 1) both;
}

.aisi-task-card:hover,
.aisi-portfolio-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--aisi-shadow-lg), inset 6px 0 0 var(--tag-c, var(--aisi-primary));
  border-color: var(--aisi-primary-pale);
}

@keyframes aisiCardIn {
  from { opacity: 0; transform: translateY(14px); }
  to   { opacity: 1; transform: translateY(0); }
}
@media (prefers-reduced-motion: reduce) {
  .aisi-task-card, .aisi-portfolio-card { animation: none; }
}

.aisi-task-card .card-body,
.aisi-portfolio-card .card-body {
  display: flex;
  flex-direction: column;
  height: 100%;
  padding: 1rem;
}

/* 頂列：標籤 chip（左）+ 相對時間（右）*/
.aisi-card-top {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 0.5rem;
  margin-bottom: 0.55rem;
}
.aisi-tag-pill {
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  font-size: 0.72rem;
  font-weight: 600;
  line-height: 1;
  white-space: nowrap;
  padding: 0.32rem 0.6rem;
  border-radius: 999px;
  color: var(--tag-c, var(--aisi-primary));
  background: color-mix(in srgb, var(--tag-c, var(--aisi-primary)) 12%, transparent);
  border: 1px solid color-mix(in srgb, var(--tag-c, var(--aisi-primary)) 28%, transparent);
}
.aisi-tag-pill .aisi-tag-dot {
  width: 6px; height: 6px; border-radius: 50%;
  background: var(--tag-c, var(--aisi-primary));
}
.aisi-tag-pill.is-none {
  color: var(--aisi-text-muted);
  background: transparent;
  border-style: dashed;
  border-color: var(--aisi-border);
}
.aisi-rel-time {
  font-size: 0.74rem;
  color: var(--aisi-text-muted);
  white-space: nowrap;
  cursor: default;
}
.aisi-rel-time .bi { margin-right: 0.25rem; }

/* 標題 — 可點擊主動作（點此開啟任務）*/
.aisi-card-title {
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
  font-size: 1.02rem;
  font-weight: 650;
  line-height: 1.4;
  color: var(--aisi-text);
  text-decoration: none;
  cursor: pointer;
  position: relative;
  padding-right: 1.2rem;
  transition: color var(--aisi-transition);
}
.aisi-card-title::after {
  content: "\F138"; /* bi-arrow-right-short */
  font-family: "bootstrap-icons";
  position: absolute;
  right: 0; top: 0.1rem;
  font-size: 0.85rem;
  color: var(--aisi-primary);
  opacity: 0;
  transform: translateX(-4px);
  transition: all var(--aisi-transition);
}
.aisi-card-title:hover { color: var(--aisi-primary); }
.aisi-card-title:hover::after { opacity: 1; transform: translateX(0); }

/* 底部 meta：taskID 降級（mono 可複製）+ 常駐操作按鈕 */
.aisi-card-meta {
  margin-top: auto;
  padding-top: 0.55rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 0.5rem;
}
.aisi-task-id {
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  font-family: ui-monospace, SFMono-Regular, Menlo, monospace;
  font-size: 0.72rem;
  color: var(--aisi-text-muted);
  background: var(--aisi-bg);
  border: 1px solid var(--aisi-border);
  border-radius: 7px;
  padding: 0.18rem 0.45rem;
  cursor: pointer;
  transition: all var(--aisi-transition);
}
.aisi-task-id:hover { color: var(--aisi-primary); border-color: var(--aisi-primary-pale); }
.aisi-task-id.copied { color: var(--aisi-success); border-color: var(--aisi-success); }

.aisi-card-actions { display: flex; gap: 0.3rem; }
.aisi-act {
  width: 30px; height: 30px;
  border-radius: 8px;
  border: 1px solid transparent;
  background: transparent;
  color: var(--aisi-text-muted);
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-size: 0.85rem;
  padding: 0;
  transition: all var(--aisi-transition);
}
.aisi-act:hover { transform: translateY(-1px); }
.aisi-act.is-edit:hover  { color: var(--aisi-primary); background: color-mix(in srgb, var(--aisi-primary) 12%, transparent); }
.aisi-act.is-tag:hover   { color: var(--aisi-info);    background: color-mix(in srgb, var(--aisi-info) 14%, transparent); }
.aisi-act.is-tools:hover { color: var(--aisi-success); background: color-mix(in srgb, var(--aisi-success) 12%, transparent); }
.aisi-act.is-del:hover   { color: var(--aisi-danger);  background: color-mix(in srgb, var(--aisi-danger) 12%, transparent); }

/* portfolio 查看回應主按鈕 */
.aisi-see-btn {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  font-size: 0.8rem;
  font-weight: 600;
  white-space: nowrap;
  color: #fff;
  background: var(--aisi-primary);
  border: 0;
  border-radius: 9px;
  padding: 0.4rem 0.85rem;
  cursor: pointer;
  transition: all var(--aisi-transition);
}
.aisi-see-btn:hover { background: var(--aisi-primary-dark); transform: translateY(-1px); box-shadow: var(--aisi-shadow-md); }

/* ============================================
   Task & Portfolio Tables — 與卡片同一套設計語言
============================================ */
#taskListTableContainer.card,
#myPortfolioTableContainer.card {
  background: var(--aisi-bg-glass);
  backdrop-filter: blur(var(--aisi-blur-sm));
  -webkit-backdrop-filter: blur(var(--aisi-blur-sm));
  border: 1px solid var(--aisi-border);
  border-radius: 16px;
  box-shadow: var(--aisi-shadow-sm);
  overflow: hidden;
}
.aisi-table {
  margin: 0;
  border-collapse: separate;
  border-spacing: 0;
  color: var(--aisi-text-secondary);
  --bs-table-bg: transparent;
  --bs-table-striped-bg: transparent;
  --bs-table-hover-bg: transparent;
}
.aisi-table thead th {
  background: color-mix(in srgb, var(--aisi-primary) 6%, transparent);
  color: var(--aisi-text-muted);
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.5px;
  text-transform: uppercase;
  border: 0;
  border-bottom: 1px solid var(--aisi-border);
  padding: 0.85rem 1rem;
  white-space: nowrap;
}
.aisi-table tbody td {
  border: 0;
  border-bottom: 1px solid var(--aisi-border);
  padding: 0.7rem 1rem;
  vertical-align: middle;
  background: transparent;
}
.aisi-table tbody tr { transition: background var(--aisi-transition); }
.aisi-table tbody tr:hover { background: color-mix(in srgb, var(--aisi-primary) 5%, transparent); }
.aisi-table tbody tr:last-child td { border-bottom: 0; }

.aisi-tbl-title {
  color: var(--aisi-text);
  font-weight: 550;
  text-decoration: none;
  cursor: pointer;
  transition: color var(--aisi-transition);
}
.aisi-tbl-title:hover { color: var(--aisi-primary); }
.aisi-tbl-tag {
  display: inline-flex; align-items: center; gap: 0.4rem;
  font-size: 0.76rem; white-space: nowrap;
  color: var(--tag-c, var(--aisi-text-muted));
}
.aisi-tbl-tag .aisi-tag-dot { width: 8px; height: 8px; border-radius: 50%; background: var(--tag-c, var(--aisi-text-muted)); }
.aisi-tbl-tag.is-none { color: var(--aisi-text-muted); }
.aisi-tbl-id {
  font-family: ui-monospace, SFMono-Regular, Menlo, monospace;
  font-size: 0.74rem; color: var(--aisi-text-muted);
}
.aisi-tbl-time { font-size: 0.78rem; color: var(--aisi-text-muted); white-space: nowrap; }
.aisi-tbl-actions { display: flex; gap: 0.2rem; }

/* ============================================
   iOS Cupertino Style - Landing Page
============================================ */
.ios-container {
  position: relative;
  overflow: hidden;
  isolation: isolate;
  background: linear-gradient(180deg, rgba(245, 247, 249, 0.9) 0%, rgba(255, 255, 255, 0.7) 100%);
  backdrop-filter: blur(var(--aisi-blur-lg));
  -webkit-backdrop-filter: blur(var(--aisi-blur-lg));
  border-radius: 24px;
  padding: 2.5rem 2rem;
  border: 1px solid rgba(255, 255, 255, 0.5);
  box-shadow: var(--aisi-shadow-lg), inset 0 1px 0 rgba(255, 255, 255, 0.6);
}

/* keep real content crisply above the aurora + grain layers */
.ios-container > *:not(.ios-aurora) {
  position: relative;
  z-index: 1;
}

/* fine grain texture overlay for tactile depth */
.ios-container::after {
  content: "";
  position: absolute;
  inset: 0;
  z-index: 0;
  pointer-events: none;
  opacity: 0.035;
  mix-blend-mode: overlay;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='160' height='160'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.85' numOctaves='2' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)'/%3E%3C/svg%3E");
}

/* ============================================
   Aurora atmosphere — slow drifting color blobs
============================================ */
.ios-aurora {
  position: absolute;
  inset: -25%;
  z-index: 0;
  pointer-events: none;
  filter: blur(70px) saturate(1.25);
  opacity: 0.55;
}

.ios-aurora span {
  position: absolute;
  display: block;
  width: 42%;
  aspect-ratio: 1;
  border-radius: 50%;
  background: radial-gradient(circle at 30% 30%, var(--blob), transparent 70%);
  animation: auroraFloat 22s ease-in-out infinite;
  will-change: transform;
}

.ios-aurora span:nth-child(1) {
  --blob: rgba(95, 132, 155, 0.95);
  top: 2%;
  left: 6%;
  animation-duration: 24s;
}
.ios-aurora span:nth-child(2) {
  --blob: rgba(95, 195, 228, 0.8);
  top: 32%;
  left: 58%;
  animation-duration: 28s;
  animation-delay: -7s;
}
.ios-aurora span:nth-child(3) {
  --blob: rgba(79, 158, 147, 0.55);
  top: 52%;
  left: 14%;
  animation-duration: 32s;
  animation-delay: -13s;
}
.ios-aurora span:nth-child(4) {
  --blob: rgba(120, 132, 189, 0.5);
  top: 8%;
  left: 70%;
  animation-duration: 26s;
  animation-delay: -3s;
}

@keyframes auroraFloat {
  0%,
  100% {
    transform: translate(0, 0) scale(1);
  }
  33% {
    transform: translate(9%, 11%) scale(1.18);
  }
  66% {
    transform: translate(-7%, -8%) scale(0.9);
  }
}

.ios-card {
  --accent: var(--aisi-primary);
  --accent-rgb: 95, 132, 155;
  position: relative;
  overflow: hidden;
  background: rgba(255, 255, 255, 0.85);
  backdrop-filter: blur(var(--aisi-blur-md));
  -webkit-backdrop-filter: blur(var(--aisi-blur-md));
  border-radius: 20px;
  box-shadow: var(--aisi-shadow-md);
  border: 1px solid rgba(255, 255, 255, 0.55);
  transition: transform 0.45s cubic-bezier(0.22, 1, 0.36, 1),
    box-shadow 0.45s cubic-bezier(0.22, 1, 0.36, 1),
    border-color 0.45s ease;
}

/* top accent rule that draws itself in on hover */
.ios-card::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 3px;
  background: linear-gradient(90deg, transparent, var(--accent), transparent);
  transform: scaleX(0);
  transform-origin: center;
  transition: transform 0.55s cubic-bezier(0.22, 1, 0.36, 1);
  z-index: 2;
}

/* soft accent bloom that fades in on hover */
.ios-card::after {
  content: "";
  position: absolute;
  inset: 0;
  border-radius: inherit;
  background: radial-gradient(120% 80% at 50% 0%, rgba(var(--accent-rgb), 0.16), transparent 60%);
  opacity: 0;
  transition: opacity 0.45s ease;
  pointer-events: none;
}

/* lift card content above the bloom */
.ios-card-icon,
.ios-stat-number,
.ios-stat-label {
  position: relative;
  z-index: 1;
}

.ios-card:hover {
  transform: translateY(-8px);
  box-shadow: var(--aisi-shadow-lg), 0 18px 42px rgba(var(--accent-rgb), 0.25);
  border-color: rgba(var(--accent-rgb), 0.4);
}

.ios-card:hover::before {
  transform: scaleX(1);
}

.ios-card:hover::after {
  opacity: 1;
}

.ios-stat-number {
  font-size: 3.5rem;
  font-weight: 700;
  font-family: -apple-system, BlinkMacSystemFont, "SF Pro Display", "Segoe UI", "Roboto", "Helvetica Neue", Arial, sans-serif;
  line-height: 1.2;
  margin-bottom: 0.5rem;
  font-variant-numeric: tabular-nums;
  background: linear-gradient(120deg, var(--aisi-primary-dark) 0%, var(--accent, var(--aisi-primary)) 50%, var(--aisi-primary-light) 100%);
  background-size: 220% auto;
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  animation: numberShimmer 6s ease-in-out infinite;
}

@keyframes numberShimmer {
  0%,
  100% {
    background-position: 0% 50%;
  }
  50% {
    background-position: 100% 50%;
  }
}

/* gentle pop when the count-up settles (class added by JS) */
.ios-stat-number.is-settled {
  animation: numberShimmer 6s ease-in-out infinite, statPop 0.6s cubic-bezier(0.22, 1, 0.36, 1);
}

@keyframes statPop {
  0% {
    transform: scale(1);
  }
  45% {
    transform: scale(1.13);
  }
  100% {
    transform: scale(1);
  }
}

.ios-stat-label {
  font-size: 1rem;
  font-weight: 500;
  color: #8fa3b1;
  font-family: -apple-system, BlinkMacSystemFont, "SF Pro Text", "Segoe UI", "Roboto", "Helvetica Neue", Arial, sans-serif;
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.ios-slogan {
  position: relative;
  overflow: hidden;
  background: linear-gradient(120deg, var(--aisi-primary-pale) 0%, var(--aisi-primary) 45%, var(--aisi-primary-dark) 100%);
  background-size: 220% 220%;
  border-radius: 20px;
  text-align: center;
  font-size: 1.5rem;
  font-weight: 600;
  color: #ffffff;
  font-family: -apple-system, BlinkMacSystemFont, "SF Pro Display", "Segoe UI", "Roboto", "Helvetica Neue", Arial, sans-serif;
  border: 1px solid rgba(255, 255, 255, 0.25);
  transition: box-shadow var(--aisi-transition), transform var(--aisi-transition);
  text-shadow: 0 1px 3px rgba(0, 0, 0, 0.18);
  animation: sloganFadeIn 0.8s ease-out 0.5s both, sloganGradient 9s ease-in-out infinite;
}

/* diagonal light sweep across the slogan */
.ios-slogan::before {
  content: "";
  position: absolute;
  top: 0;
  left: -60%;
  width: 45%;
  height: 100%;
  background: linear-gradient(100deg, transparent, rgba(255, 255, 255, 0.35), transparent);
  transform: skewX(-20deg);
  animation: sloganSheen 7s ease-in-out infinite;
  pointer-events: none;
}

.ios-slogan:hover {
  transform: translateY(-2px);
  box-shadow: var(--aisi-shadow-md), 0 10px 30px rgba(95, 132, 155, 0.3);
}

@keyframes sloganGradient {
  0%,
  100% {
    background-position: 0% 50%;
  }
  50% {
    background-position: 100% 50%;
  }
}

@keyframes sloganSheen {
  0% {
    left: -60%;
  }
  35%,
  100% {
    left: 150%;
  }
}

/* ============================================
   iOS Card Icons
============================================ */
.ios-card-icon {
  position: relative;
  width: 56px;
  height: 56px;
  border-radius: 16px;
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto 1rem;
  font-size: 1.75rem;
  transition: transform var(--aisi-transition);
  animation: iconFloat 5s ease-in-out infinite;
}

/* pulsing accent halo behind each icon */
.ios-card-icon::before {
  content: "";
  position: absolute;
  inset: -7px;
  border-radius: 22px;
  background: var(--accent, var(--aisi-primary));
  z-index: -1;
  filter: blur(11px);
  opacity: 0.25;
  animation: iconPulse 3.2s ease-in-out infinite;
}

@keyframes iconFloat {
  0%,
  100% {
    translate: 0 0;
  }
  50% {
    translate: 0 -5px;
  }
}

@keyframes iconPulse {
  0%,
  100% {
    transform: scale(1);
    opacity: 0.22;
  }
  50% {
    transform: scale(1.2);
    opacity: 0.42;
  }
}

.ios-card:hover .ios-card-icon {
  transform: scale(1.12) rotate(-4deg);
}

/* Cohesive cool trio, harmonised with --aisi-primary (#5f849b):
   teal → brand steel-blue → slate-indigo */
.ios-card-icon-task {
  background: linear-gradient(135deg, #5fb0a6 0%, #3f897f 100%);
  color: #ffffff;
  box-shadow: 0 4px 14px rgba(79, 158, 147, 0.42);
}

.ios-card-icon-think {
  background: linear-gradient(135deg, #7099b0 0%, #4a6b7d 100%);
  color: #ffffff;
  box-shadow: 0 4px 14px rgba(95, 132, 155, 0.42);
}

.ios-card-icon-chat {
  background: linear-gradient(135deg, #8390c4 0%, #5d6aa3 100%);
  color: #ffffff;
  box-shadow: 0 4px 14px rgba(120, 132, 189, 0.42);
}

/* ============================================
   Animations
============================================ */
@keyframes cardSlideUp {
  from {
    opacity: 0;
    translate: 0 42px;
    scale: 0.94;
    filter: blur(6px);
  }
  to {
    opacity: 1;
    translate: 0 0;
    scale: 1;
    filter: blur(0);
  }
}

.ios-card-animated {
  opacity: 0;
  animation: cardSlideUp 0.7s cubic-bezier(0.22, 1, 0.36, 1) forwards;
  animation-delay: calc(var(--card-index, 0) * 0.15s);
}

#landing-stats[style*="display: flex"] .ios-card-animated,
#landing-stats[style*="display: block"] .ios-card-animated,
#landing-stats:not([style*="display: none"]) .ios-card-animated {
  animation: cardSlideUp 0.7s cubic-bezier(0.22, 1, 0.36, 1) forwards;
  animation-delay: calc(var(--card-index, 0) * 0.15s);
}

@keyframes sloganFadeIn {
  from {
    opacity: 0;
    transform: translateY(20px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@keyframes titleFadeIn {
  from {
    opacity: 0;
    transform: translateY(-10px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.ios-container h2 {
  display: inline-block;
  background: linear-gradient(120deg, var(--aisi-primary-dark), var(--aisi-primary-light), var(--aisi-primary-dark));
  background-size: 220% auto;
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
  animation: titleFadeIn 0.6s ease-out both, titleShimmer 5s linear infinite;
}

/* animated gradient underline accent under the title */
.ios-container h2::after {
  content: "";
  display: block;
  width: 64px;
  height: 4px;
  margin: 0.6rem auto 0;
  border-radius: 4px;
  background: linear-gradient(90deg, var(--aisi-success), var(--aisi-info), var(--aisi-secondary));
  background-size: 200% auto;
  animation: titleShimmer 4s linear infinite;
}

@keyframes titleShimmer {
  to {
    background-position: 200% center;
  }
}

/* ============================================
   Responsive Adjustments
============================================ */
@media (max-width: 768px) {
  .ios-stat-number {
    font-size: 2.5rem;
  }

  .ios-slogan {
    font-size: 1.2rem;
  }

  .ios-card-icon {
    width: 48px;
    height: 48px;
    font-size: 1.5rem;
    border-radius: 14px;
  }

  .ios-container {
    padding: 1.25rem;
    border-radius: 20px;
  }
}

/* ============================================
   Dark Theme — Component Overrides
============================================ */

/* --- All accent surfaces: navbar, topbar, modal headers, table headers, buttons --- */
[data-theme="dark"] .aisi-accent-background,
[data-theme="dark"] .aisi-accent {
  background: linear-gradient(135deg, #1a2e3b 0%, #2a4458 50%, #3a5568 100%) !important;
}

[data-theme="dark"] .modal-header.aisi-accent {
  background: linear-gradient(135deg, #1a2e3b 0%, #2a4458 50%, #3a5568 100%) !important;
}

[data-theme="dark"] .card-header.bg-primary {
  background: linear-gradient(135deg, #1a2e3b 0%, #2a4458 100%) !important;
}

[data-theme="dark"] .table thead {
  background: linear-gradient(135deg, #1a2e3b 0%, #2a4458 100%) !important;
}

[data-theme="dark"] .btn-primary,
[data-theme="dark"] .btn-primary:focus,
[data-theme="dark"] .btn-primary:active {
  background: linear-gradient(135deg, #1a2e3b 0%, #2a4458 50%, #3a5568 100%) !important;
}

[data-theme="dark"] .btn-primary:hover {
  background: linear-gradient(135deg, #2a4458 0%, #3a5568 50%, #4a6578 100%) !important;
}

[data-theme="dark"] .filter-segmented-control .btn.active,
[data-theme="dark"] .filter-segmented-control .btn:hover {
  background: linear-gradient(135deg, #1a2e3b 0%, #2a4458 100%) !important;
  border-color: #3a5568 !important;
}

/* --- Body & base background --- */
[data-theme="dark"] body {
  background-color: var(--aisi-bg) !important;
  background-image:
    radial-gradient(ellipse at 15% 0%, rgba(110, 154, 181, 0.07) 0%, transparent 50%),
    radial-gradient(ellipse at 85% 100%, rgba(143, 184, 208, 0.05) 0%, transparent 50%);
  color: var(--aisi-text);
}

/* --- Landing / iOS cards --- */
[data-theme="dark"] .ios-container {
  background: linear-gradient(180deg, rgba(16, 24, 32, 0.92) 0%, rgba(23, 32, 48, 0.75) 100%);
  border-color: var(--aisi-border);
  box-shadow: var(--aisi-shadow-lg), inset 0 1px 0 rgba(255, 255, 255, 0.05);
}

[data-theme="dark"] .ios-container::after {
  mix-blend-mode: soft-light;
  opacity: 0.06;
}

[data-theme="dark"] .ios-aurora {
  opacity: 0.4;
}

[data-theme="dark"] .ios-card {
  background: rgba(23, 32, 48, 0.88);
  border-color: var(--aisi-border);
}

[data-theme="dark"] .ios-card:hover {
  border-color: rgba(var(--accent-rgb), 0.45);
}

[data-theme="dark"] .ios-slogan {
  background: linear-gradient(120deg, #1a2e3b 0%, #2a4458 45%, #3a5568 100%);
  background-size: 220% 220%;
  border-color: rgba(255, 255, 255, 0.08);
}

[data-theme="dark"] .ios-slogan:hover {
  background: linear-gradient(120deg, #24435a 0%, #355b75 45%, #45698a 100%);
  background-size: 220% 220%;
}

[data-theme="dark"] .ios-stat-label {
  color: var(--aisi-text-muted);
}

/* ============================================
   Reduced Motion — respect user preference
============================================ */
@media (prefers-reduced-motion: reduce) {
  .ios-aurora span,
  .ios-stat-number,
  .ios-stat-number.is-settled,
  .ios-card-icon,
  .ios-card-icon::before,
  .ios-slogan,
  .ios-slogan::before,
  .ios-container h2,
  .ios-container h2::after {
    animation: none !important;
  }

  .ios-card-animated {
    opacity: 1 !important;
    animation: none !important;
  }

  #landing-stats .ios-card-animated {
    opacity: 1 !important;
    animation: none !important;
  }
}

/* --- AISI cards --- */
[data-theme="dark"] .aisi-card,
[data-theme="dark"] .aisi-task-card,
[data-theme="dark"] .aisi-portfolio-card {
  border-color: var(--aisi-border);
}

[data-theme="dark"] .aisi-task-card .card-title,
[data-theme="dark"] .aisi-portfolio-card .card-title {
  color: var(--aisi-text);
}

[data-theme="dark"] .aisi-task-card .card-text,
[data-theme="dark"] .aisi-portfolio-card .card-text {
  color: var(--aisi-text-secondary);
}

[data-theme="dark"] .aisi-task-card .card-footer,
[data-theme="dark"] .aisi-portfolio-card .card-footer {
  border-top-color: var(--aisi-border);
}

/* --- Menu / offcanvas --- */
[data-theme="dark"] .menu-link {
  color: var(--aisi-text-secondary) !important;
}

[data-theme="dark"] .menu-link.is-active,
[data-theme="dark"] .menu-link.active,
[data-theme="dark"] .menu-link:hover {
  color: var(--aisi-primary-light) !important;
  background: rgba(110, 154, 181, 0.12) !important;
}

[data-theme="dark"] .list-group-item {
  background: transparent;
}

[data-theme="dark"] .list-group-item:hover {
  background: rgba(110, 154, 181, 0.08);
}

[data-theme="dark"] .offcanvas {
  background-color: var(--aisi-card) !important;
  color: var(--aisi-text);
  border-color: var(--aisi-border) !important;
}

[data-theme="dark"] .offcanvas-header {
  border-bottom-color: var(--aisi-border);
}

[data-theme="dark"] .offcanvas-title {
  color: var(--aisi-text);
}

/* --- Modals --- */
[data-theme="dark"] .modal-content {
  background-color: var(--aisi-card);
  color: var(--aisi-text);
  border-color: var(--aisi-border);
}

[data-theme="dark"] .modal-header {
  border-bottom-color: var(--aisi-border);
}

[data-theme="dark"] .modal-title {
  color: var(--aisi-text);
}

/* Keep white text on gradient-bg modal headers */
[data-theme="dark"] .modal-header.aisi-accent .modal-title,
[data-theme="dark"] .ai-chat-modal-content .modal-title {
  color: #fff;
}

[data-theme="dark"] .modal-footer {
  border-top-color: var(--aisi-border);
}

/* --- Cards --- */
[data-theme="dark"] .card {
  background-color: var(--aisi-card);
  color: var(--aisi-text);
  border-color: var(--aisi-border);
}

[data-theme="dark"] .card-body {
  color: var(--aisi-text);
}

/* --- Forms --- */
[data-theme="dark"] .form-control,
[data-theme="dark"] .form-select {
  background-color: rgba(16, 24, 32, 0.6);
  color: var(--aisi-text);
  border-color: var(--aisi-border);
}

[data-theme="dark"] .form-control::placeholder {
  color: var(--aisi-text-muted);
}

[data-theme="dark"] .input-group-text {
  background-color: rgba(16, 24, 32, 0.6);
  color: var(--aisi-text-secondary);
  border-color: var(--aisi-border);
}

[data-theme="dark"] .form-check-input {
  background-color: rgba(16, 24, 32, 0.6);
  border-color: var(--aisi-border);
}

[data-theme="dark"] .form-check-label {
  color: var(--aisi-text-secondary);
}

/* --- Tables --- */
[data-theme="dark"] .table {
  color: var(--aisi-text);
}

[data-theme="dark"] .table-bordered > :not(caption) > * > * {
  border-color: var(--aisi-border);
}

[data-theme="dark"] .table-striped > tbody > tr:nth-of-type(odd) > * {
  --bs-table-accent-bg: rgba(110, 154, 181, 0.05);
  color: var(--aisi-text);
}

[data-theme="dark"] .table-striped > tbody > tr:nth-of-type(even) > * {
  background-color: var(--aisi-card);
  color: var(--aisi-text);
}

/* --- Dropdowns --- */
[data-theme="dark"] .dropdown-menu {
  background-color: #1c2a3a;
  border-color: var(--aisi-border);
  box-shadow: var(--aisi-shadow-lg);
}

[data-theme="dark"] .dropdown-item {
  color: var(--aisi-text);
}

[data-theme="dark"] .dropdown-item:hover,
[data-theme="dark"] .dropdown-item:focus {
  background-color: rgba(110, 154, 181, 0.12);
  color: var(--aisi-primary-light);
}

/* --- Headings --- */
[data-theme="dark"] h1, [data-theme="dark"] h2, [data-theme="dark"] h3,
[data-theme="dark"] h4, [data-theme="dark"] h5, [data-theme="dark"] h6 {
  color: var(--aisi-text);
}

/* --- Utility overrides --- */
[data-theme="dark"] .text-muted {
  color: var(--aisi-text-muted) !important;
}

[data-theme="dark"] .btn-close {
  filter: invert(1) grayscale(100%) brightness(200%);
}

[data-theme="dark"] .btn-outline-secondary {
  color: var(--aisi-text-secondary);
  border-color: var(--aisi-border);
}

[data-theme="dark"] .spinner-border.text-primary {
  color: var(--aisi-primary-light) !important;
}

[data-theme="dark"] .page-link {
  background-color: var(--aisi-card);
  border-color: var(--aisi-border);
  color: var(--aisi-text-secondary);
}

/* --- Badges (softer on dark backgrounds) --- */
[data-theme="dark"] .badge.bg-primary {
  background: linear-gradient(135deg, #1a2e3b 0%, #2a4458 100%) !important;
}

[data-theme="dark"] .badge.bg-warning {
  background-color: rgba(245, 158, 11, 0.2) !important;
  color: #fbbf24 !important;
}

[data-theme="dark"] .badge.bg-warning.text-dark {
  color: #fbbf24 !important;
}

[data-theme="dark"] .badge.bg-danger {
  background-color: rgba(239, 68, 68, 0.2) !important;
  color: #f87171 !important;
}

[data-theme="dark"] .badge.bg-success {
  background-color: rgba(16, 185, 129, 0.2) !important;
  color: #34d399 !important;
}

[data-theme="dark"] .badge.bg-info {
  background-color: rgba(95, 195, 228, 0.2) !important;
  color: #67d3f2 !important;
}

[data-theme="dark"] .badge.bg-secondary {
  background-color: rgba(108, 117, 125, 0.3) !important;
  color: var(--aisi-text-muted) !important;
}

/* --- Buttons: outline, link, info, success --- */
[data-theme="dark"] .btn-outline-primary {
  color: var(--aisi-primary-light) !important;
  border-color: var(--aisi-primary) !important;
}

[data-theme="dark"] .btn-outline-primary:hover,
[data-theme="dark"] .btn-outline-primary.active,
[data-theme="dark"] .btn-check:checked + .btn-outline-primary {
  background: linear-gradient(135deg, #1a2e3b 0%, #2a4458 100%) !important;
  border-color: transparent !important;
  color: #fff !important;
}

[data-theme="dark"] .btn-info {
  background: linear-gradient(135deg, #1a3a4a 0%, #2a5468 100%) !important;
  border: none !important;
  color: #fff !important;
}

[data-theme="dark"] .btn-success {
  background: linear-gradient(135deg, #0d3d2e 0%, #166534 100%) !important;
  border: none !important;
  color: #fff !important;
}

[data-theme="dark"] .btn-link {
  color: var(--aisi-primary-light);
}

/* --- Table hover --- */
[data-theme="dark"] .table-hover > tbody > tr:hover > * {
  --bs-table-hover-bg: rgba(110, 154, 181, 0.1);
  color: var(--aisi-text);
}

/* --- Utility class overrides --- */
[data-theme="dark"] .bg-light {
  background-color: var(--aisi-card) !important;
}

[data-theme="dark"] .text-dark {
  color: var(--aisi-text) !important;
}

/* --- Alerts --- */
[data-theme="dark"] .alert-warning {
  background-color: rgba(245, 158, 11, 0.12) !important;
  color: #fbbf24 !important;
  border-color: rgba(245, 158, 11, 0.25) !important;
}

[data-theme="dark"] .alert-danger {
  background-color: rgba(239, 68, 68, 0.12) !important;
  color: #f87171 !important;
  border-color: rgba(239, 68, 68, 0.25) !important;
}

[data-theme="dark"] .alert-success {
  background-color: rgba(16, 185, 129, 0.12) !important;
  color: #34d399 !important;
  border-color: rgba(16, 185, 129, 0.25) !important;
}

[data-theme="dark"] .alert-info {
  background-color: rgba(95, 195, 228, 0.12) !important;
  color: #67d3f2 !important;
  border-color: rgba(95, 195, 228, 0.25) !important;
}

/* About Me row hover */
.aboutme-row {
  transition: background var(--aisi-transition);
}

.aboutme-row:hover {
  background: rgba(95, 132, 155, 0.04);
}

[data-theme="dark"] .aboutme-row:hover {
  background: rgba(110, 154, 181, 0.08);
}

/* Dark: Theme toggle button */
.theme-toggle {
  background: none;
  border: none;
  color: #fff;
  font-size: 1.2rem;
  cursor: pointer;
  padding: 0.25rem 0.5rem;
  border-radius: 8px;
  transition: all var(--aisi-transition);
  display: flex;
  align-items: center;
}

.theme-toggle:hover {
  background: rgba(255, 255, 255, 0.15);
}

/* === Advanced Launcher Modal (iOS style) === */
.modal-ios .modal-ios-content {
  background: transparent;
  position: relative;
  overflow: hidden;
  color: rgba(255,255,255,0.96);
  user-select: none;
}
.modal-ios .ios-wallpaper {
  position: absolute; inset: 0; z-index: 0;
  background:
    radial-gradient(ellipse at 18% 12%, #f5b8c9 0%, transparent 42%),
    radial-gradient(ellipse at 82% 22%, #f7c97a 0%, transparent 50%),
    radial-gradient(ellipse at 78% 88%, #6a89c7 0%, transparent 55%),
    radial-gradient(ellipse at 12% 78%, #4f6296 0%, transparent 60%),
    linear-gradient(160deg, #2a3858 0%, #15203a 100%);
  filter: saturate(1.05);
}
.modal-ios .ios-status-bar {
  position: absolute; top: 8px; left: 0; right: 0; z-index: 10;
  padding: 0 24px;
  display: flex; align-items: center; justify-content: space-between;
  font-size: 14px; font-weight: 600;
  pointer-events: none;
}
.modal-ios .ios-close-btn {
  position: absolute; top: 8px; right: 12px; z-index: 20;
  width: 36px; height: 36px;
  background: rgba(255,255,255,0.15);
  border: 1px solid rgba(255,255,255,0.25);
  backdrop-filter: blur(12px);
  border-radius: 50%;
  color: #fff; display: flex; align-items: center; justify-content: center;
}
.modal-ios .ios-home-screen {
  position: relative; z-index: 5;
  padding: 64px 32px 16px;
  display: flex; flex-direction: column; align-items: center;
}
.modal-ios .ios-home-title {
  font-size: 14px; font-weight: 600;
  opacity: 0.8; margin-bottom: 24px;
}
.modal-ios .ios-home-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 24px 16px;
  max-width: 480px; width: 100%;
}
@media (min-width: 768px) {
  .modal-ios .ios-home-grid {
    grid-template-columns: repeat(6, minmax(0, 1fr));
    max-width: 720px;
  }
}
.modal-ios .ios-app {
  background: transparent; border: 0;
  display: flex; flex-direction: column; align-items: center; gap: 8px;
  color: #fff; cursor: pointer;
  padding: 4px; position: relative;
}
.modal-ios .ios-app-icon {
  width: 60px; height: 60px;
  background: rgba(255,255,255,0.18);
  border: 1px solid rgba(255,255,255,0.28);
  border-radius: 16px;
  display: flex; align-items: center; justify-content: center;
  font-size: 28px;
  backdrop-filter: blur(20px);
  box-shadow: 0 10px 30px rgba(0,0,0,0.18);
  transition: transform 120ms;
}
.modal-ios .ios-app:hover .ios-app-icon { transform: scale(1.05); }
.modal-ios .ios-app:active .ios-app-icon { transform: scale(0.95); }
.modal-ios .ios-app-name {
  font-size: 12px; font-weight: 500;
  text-shadow: 0 1px 2px rgba(0,0,0,0.3);
}
.modal-ios .ios-app-badge {
  font-size: 10px; opacity: 0.7;
  text-shadow: 0 1px 2px rgba(0,0,0,0.3);
}
.modal-ios .ios-app-disabled .ios-app-icon,
.modal-ios .ios-app-locked .ios-app-icon {
  opacity: 0.35;
  background: rgba(255,255,255,0.06);
}
.modal-ios .ios-app-locked .ios-app-name { opacity: 0.6; }
.modal-ios .ios-app-locked::after {
  content: "🔒";
  position: absolute; top: 4px; right: 50%;
  transform: translateX(36px);
  font-size: 14px;
}
.modal-ios .ios-dock {
  position: absolute; left: 0; right: 0;
  bottom: env(safe-area-inset-bottom, 16px);
  display: flex; justify-content: center; gap: 16px;
  padding: 12px;
}
.modal-ios .ios-dock .ios-app-icon {
  background: rgba(255,255,255,0.25);
  width: 52px; height: 52px;
  border-radius: 14px;
}
.modal-ios .ios-toast {
  position: absolute; top: 60px; left: 50%;
  transform: translateX(-50%);
  background: rgba(0,0,0,0.75);
  color: #fff; padding: 10px 18px;
  border-radius: 24px; font-size: 13px;
  z-index: 30;
  animation: ios-toast-in 200ms ease-out;
}
@keyframes ios-toast-in {
  from { opacity: 0; transform: translate(-50%, -10px); }
  to   { opacity: 1; transform: translate(-50%, 0); }
}