/* ===================================================================
   ChalkBox — brutal.css
   Neo-brutalist design system. Thick borders, hard offset shadows,
   chunky type, playful rotations, big high-contrast FUN.
   =================================================================== */

:root {
  --nb-yellow: #ffe14d;
  --nb-pink:   #ff6ba6;
  --nb-cyan:   #67e8f9;
  --nb-lime:   #bef264;
  --nb-bg:     #fef6e4;
  --nb-ink:    #1a1a1a;
  --nb-border: #1a1a1a;

  --nb-white:  #ffffff;
  --nb-red:    #ff4d4d;
  --nb-green:  #2bd576;
  --nb-blue:   #7aa2ff;

  --nb-bw: 3px;                       /* border width */
  --nb-shadow: 5px 5px 0 var(--nb-ink);
  --nb-shadow-lg: 8px 8px 0 var(--nb-ink);
  --nb-shadow-sm: 3px 3px 0 var(--nb-ink);
  --nb-radius: 6px;

  --nb-font-head: "Archivo Black", "Space Grotesk", system-ui, sans-serif;
  --nb-font-body: "Space Grotesk", system-ui, -apple-system, sans-serif;
  --nb-font-mono: "IBM Plex Mono", ui-monospace, "SF Mono", monospace;
}

/* ----------------------------------------------------------------
   Reset / base
   ---------------------------------------------------------------- */
*,
*::before,
*::after {
  box-sizing: border-box;
}

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

body {
  margin: 0;
  min-height: 100vh;
  font-family: var(--nb-font-body);
  font-size: 16px;
  line-height: 1.5;
  color: var(--nb-ink);
  background-color: var(--nb-bg);
  background-image:
    radial-gradient(var(--nb-ink) 1.4px, transparent 1.4px),
    radial-gradient(var(--nb-ink) 1.4px, var(--nb-bg) 1.4px);
  background-size: 34px 34px;
  background-position: 0 0, 17px 17px;
  background-attachment: fixed;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

img {
  max-width: 100%;
  display: block;
}

a {
  color: inherit;
}

::selection {
  background: var(--nb-pink);
  color: var(--nb-ink);
}

/* Chunky scrollbars to match the vibe */
* {
  scrollbar-width: thin;
  scrollbar-color: var(--nb-ink) var(--nb-bg);
}
*::-webkit-scrollbar {
  width: 12px;
  height: 12px;
}
*::-webkit-scrollbar-track {
  background: var(--nb-bg);
}
*::-webkit-scrollbar-thumb {
  background: var(--nb-ink);
  border: 3px solid var(--nb-bg);
  border-radius: 0;
}

/* ----------------------------------------------------------------
   Headings & text
   ---------------------------------------------------------------- */
h1, h2, h3, h4, h5, h6 {
  font-family: var(--nb-font-head);
  font-weight: 900;
  line-height: 1.05;
  margin: 0 0 0.5em;
  letter-spacing: -0.01em;
  text-transform: uppercase;
}

h1 { font-size: clamp(1.9rem, 4.5vw, 3rem); }
h2 { font-size: clamp(1.5rem, 3.4vw, 2.2rem); }
h3 { font-size: clamp(1.2rem, 2.6vw, 1.6rem); }
h4 { font-size: 1.15rem; }
h5 { font-size: 1rem; }
h6 { font-size: 0.9rem; }

p { margin: 0 0 1rem; }

code, pre, kbd, samp {
  font-family: var(--nb-font-mono);
}

pre {
  background: var(--nb-ink);
  color: var(--nb-lime);
  border: var(--nb-bw) solid var(--nb-ink);
  border-radius: var(--nb-radius);
  padding: 14px 16px;
  overflow: auto;
  box-shadow: var(--nb-shadow);
}

code {
  background: var(--nb-yellow);
  border: 2px solid var(--nb-ink);
  border-radius: 4px;
  padding: 0.05em 0.35em;
  font-size: 0.9em;
}

pre code {
  background: none;
  border: 0;
  padding: 0;
  color: inherit;
}

.nb-title {
  font-family: var(--nb-font-head);
  text-transform: uppercase;
  font-size: clamp(1.6rem, 3.4vw, 2.4rem);
  line-height: 1.05;
  letter-spacing: -0.01em;
  margin: 0 0 0.35em;
}

.nb-subtitle {
  font-family: var(--nb-font-body);
  font-weight: 600;
  font-size: 1.05rem;
  color: var(--nb-ink);
  opacity: 0.72;
  margin: 0 0 1rem;
  text-transform: none;
  letter-spacing: 0;
}

.nb-link {
  font-weight: 700;
  color: var(--nb-ink);
  text-decoration: none;
  background-image: linear-gradient(var(--nb-pink), var(--nb-pink));
  background-position: 0 100%;
  background-repeat: no-repeat;
  background-size: 100% 0.35em;
  padding: 0 1px;
  transition: background-size 0.12s ease, color 0.12s ease;
  cursor: pointer;
}
.nb-link:hover {
  background-size: 100% 100%;
}

.nb-divider {
  height: 0;
  border: 0;
  border-top: var(--nb-bw) dashed var(--nb-ink);
  margin: 22px 0;
  opacity: 0.85;
}

/* ----------------------------------------------------------------
   Layout
   ---------------------------------------------------------------- */
.nb-app {
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

.nb-container {
  width: 100%;
  max-width: 1120px;
  margin: 0 auto;
  padding: 28px 20px 64px;
}

.nb-row {
  display: flex;
  align-items: center;
  gap: 12px;
  flex-wrap: wrap;
}

.nb-row--between {
  justify-content: space-between;
}

.nb-stack {
  display: flex;
  flex-direction: column;
  gap: 14px;
}

.nb-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 20px;
}

/* ----------------------------------------------------------------
   Navigation
   ---------------------------------------------------------------- */
.nb-nav {
  position: sticky;
  top: 0;
  z-index: 50;
  display: flex;
  align-items: center;
  gap: 10px;
  flex-wrap: nowrap;
  padding: 5px 16px;
  background: var(--nb-yellow);
  border-bottom: var(--nb-bw) solid var(--nb-ink);
  box-shadow: 0 3px 0 var(--nb-ink);
}

.nb-nav__brand {
  font-family: var(--nb-font-head);
  text-transform: uppercase;
  font-size: 1rem;
  letter-spacing: -0.02em;
  text-decoration: none;
  color: var(--nb-ink);
  background: var(--nb-white);
  border: var(--nb-bw) solid var(--nb-ink);
  border-radius: var(--nb-radius);
  padding: 3px 9px;
  box-shadow: var(--nb-shadow-sm);
  white-space: nowrap;
  transition: transform 0.12s ease, box-shadow 0.12s ease;
}
.nb-nav__brand:hover {
  transform: translate(-1px, -1px);
  box-shadow: 4px 4px 0 var(--nb-ink);
}
.nb-nav__email {
  font-family: var(--nb-font-mono);
  font-size: 0.74rem;
  font-weight: 700;
  max-width: 130px;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}
/* The nav inner reuses .nb-container (which has big vertical padding) — strip it
   so the header stays a thin bar. */
.nb-nav .nb-nav__inner { padding-top: 0; padding-bottom: 0; }

.nb-nav__links {
  display: flex;
  align-items: center;
  gap: 8px;
  flex-wrap: wrap;
}

.nb-nav__link {
  font-weight: 700;
  font-size: 0.86rem;
  text-decoration: none;
  color: var(--nb-ink);
  background: transparent;
  border: var(--nb-bw) solid transparent;
  border-radius: var(--nb-radius);
  padding: 4px 9px;
  white-space: nowrap;
  cursor: pointer;
  transition: background 0.12s ease, transform 0.1s ease, box-shadow 0.12s ease, border-color 0.12s ease;
}
.nb-nav__link:hover {
  background: var(--nb-white);
  border-color: var(--nb-ink);
  box-shadow: var(--nb-shadow-sm);
  transform: translate(-1px, -1px);
}
.nb-nav__link.is-active,
.nb-nav__link[aria-current="page"] {
  background: var(--nb-ink);
  color: var(--nb-bg);
  border-color: var(--nb-ink);
  box-shadow: var(--nb-shadow-sm);
}

.nb-nav__spacer {
  flex: 1 1 auto;
}

.nb-nav__user {
  font-family: var(--nb-font-mono);
  font-size: 0.78rem;
  font-weight: 600;
  white-space: nowrap;
}

/* ----------------------------------------------------------------
   Surfaces: card / panel / hero
   ---------------------------------------------------------------- */
.nb-card {
  background: var(--nb-white);
  border: var(--nb-bw) solid var(--nb-ink);
  border-radius: var(--nb-radius);
  box-shadow: var(--nb-shadow);
  padding: 20px;
  transition: transform 0.12s ease, box-shadow 0.12s ease;
}

.nb-card--hover:hover,
a.nb-card:hover,
.nb-card--link:hover {
  transform: translate(-2px, -2px);
  box-shadow: var(--nb-shadow-lg);
  cursor: pointer;
}

.nb-card--yellow { background: var(--nb-yellow); }
.nb-card--pink   { background: var(--nb-pink); }
.nb-card--cyan   { background: var(--nb-cyan); }
.nb-card--lime   { background: var(--nb-lime); }
.nb-card--dark   { background: var(--nb-ink); color: var(--nb-bg); }
.nb-card--dark .nb-subtitle { color: var(--nb-bg); }

.nb-panel {
  background: var(--nb-bg);
  border: var(--nb-bw) solid var(--nb-ink);
  border-radius: var(--nb-radius);
  box-shadow: var(--nb-shadow);
  padding: 18px;
}

.nb-hero {
  position: relative;
  background: var(--nb-pink);
  border: var(--nb-bw) solid var(--nb-ink);
  border-radius: var(--nb-radius);
  box-shadow: var(--nb-shadow-lg);
  padding: 38px 30px;
  margin-bottom: 26px;
  overflow: hidden;
}
.nb-hero::after {
  content: "";
  position: absolute;
  top: -40px;
  right: -40px;
  width: 160px;
  height: 160px;
  background: var(--nb-yellow);
  border: var(--nb-bw) solid var(--nb-ink);
  border-radius: 50%;
  transform: rotate(12deg);
  opacity: 0.9;
  pointer-events: none;
}
.nb-hero > * {
  position: relative;
  z-index: 1;
}
.nb-hero .nb-title {
  font-size: clamp(2rem, 5vw, 3.2rem);
}

/* ----------------------------------------------------------------
   Buttons
   ---------------------------------------------------------------- */
.nb-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  font-family: var(--nb-font-body);
  font-weight: 800;
  font-size: 0.98rem;
  line-height: 1;
  text-transform: uppercase;
  letter-spacing: 0.01em;
  text-decoration: none;
  white-space: nowrap;
  cursor: pointer;
  color: var(--nb-ink);
  background: var(--nb-white);
  border: var(--nb-bw) solid var(--nb-ink);
  border-radius: var(--nb-radius);
  box-shadow: var(--nb-shadow);
  padding: 12px 18px;
  user-select: none;
  transition: transform 0.1s ease, box-shadow 0.1s ease, background 0.12s ease;
}
.nb-btn:hover {
  transform: translate(-2px, -2px);
  box-shadow: var(--nb-shadow-lg);
}
.nb-btn:active {
  transform: translate(2px, 2px);
  box-shadow: var(--nb-shadow-sm);
}
.nb-btn:focus-visible {
  outline: var(--nb-bw) solid var(--nb-blue);
  outline-offset: 2px;
}
.nb-btn:disabled,
.nb-btn[disabled],
.nb-btn.is-disabled {
  opacity: 0.55;
  cursor: not-allowed;
  transform: none;
  box-shadow: var(--nb-shadow-sm);
}

.nb-btn--primary { background: var(--nb-yellow); }
.nb-btn--pink    { background: var(--nb-pink); }
.nb-btn--cyan    { background: var(--nb-cyan); }
.nb-btn--lime    { background: var(--nb-lime); }
.nb-btn--dark    { background: var(--nb-ink); color: var(--nb-bg); }

.nb-btn--ghost {
  background: transparent;
  box-shadow: none;
}
.nb-btn--ghost:hover {
  background: var(--nb-white);
  box-shadow: var(--nb-shadow-sm);
}

.nb-btn--sm {
  font-size: 0.82rem;
  padding: 8px 12px;
  box-shadow: var(--nb-shadow-sm);
}
.nb-btn--sm:hover {
  box-shadow: var(--nb-shadow);
}

.nb-btn--block {
  display: flex;
  width: 100%;
}

/* ----------------------------------------------------------------
   Forms
   ---------------------------------------------------------------- */
.nb-field {
  display: flex;
  flex-direction: column;
  gap: 6px;
  margin-bottom: 16px;
}

.nb-label {
  font-family: var(--nb-font-body);
  font-weight: 800;
  font-size: 0.82rem;
  text-transform: uppercase;
  letter-spacing: 0.04em;
}

.nb-input,
.nb-select,
.nb-textarea {
  font-family: var(--nb-font-body);
  font-size: 1rem;
  font-weight: 500;
  color: var(--nb-ink);
  background: var(--nb-white);
  border: var(--nb-bw) solid var(--nb-ink);
  border-radius: var(--nb-radius);
  box-shadow: var(--nb-shadow-sm);
  padding: 11px 13px;
  width: 100%;
  transition: box-shadow 0.12s ease, transform 0.1s ease, background 0.12s ease;
  -webkit-appearance: none;
  appearance: none;
}

.nb-input::placeholder,
.nb-textarea::placeholder {
  color: var(--nb-ink);
  opacity: 0.4;
}

.nb-input:hover,
.nb-select:hover,
.nb-textarea:hover {
  box-shadow: var(--nb-shadow);
}

.nb-input:focus,
.nb-select:focus,
.nb-textarea:focus {
  outline: none;
  background: var(--nb-yellow);
  box-shadow: var(--nb-shadow);
  transform: translate(-1px, -1px);
}

.nb-textarea {
  min-height: 120px;
  resize: vertical;
  line-height: 1.45;
}

.nb-select {
  background-image:
    linear-gradient(45deg, transparent 50%, var(--nb-ink) 50%),
    linear-gradient(135deg, var(--nb-ink) 50%, transparent 50%);
  background-position:
    calc(100% - 18px) center,
    calc(100% - 12px) center;
  background-size: 6px 6px, 6px 6px;
  background-repeat: no-repeat;
  padding-right: 34px;
  cursor: pointer;
}

.nb-checkbox {
  -webkit-appearance: none;
  appearance: none;
  width: 24px;
  height: 24px;
  flex: 0 0 auto;
  background: var(--nb-white);
  border: var(--nb-bw) solid var(--nb-ink);
  border-radius: 4px;
  box-shadow: var(--nb-shadow-sm);
  cursor: pointer;
  display: inline-grid;
  place-content: center;
  vertical-align: middle;
  transition: background 0.1s ease, transform 0.08s ease;
}
.nb-checkbox::before {
  content: "";
  width: 12px;
  height: 12px;
  transform: scale(0);
  transform-origin: center;
  background: var(--nb-ink);
  clip-path: polygon(14% 44%, 0 65%, 50% 100%, 100% 16%, 80% 0%, 43% 62%);
  transition: transform 0.1s ease;
}
.nb-checkbox:checked {
  background: var(--nb-lime);
}
.nb-checkbox:checked::before {
  transform: scale(1);
}
.nb-checkbox:active {
  transform: scale(0.92);
}

/* label wrapping a checkbox */
.nb-checkbox-row {
  display: flex;
  align-items: center;
  gap: 10px;
  font-weight: 600;
  cursor: pointer;
}

/* ----------------------------------------------------------------
   Table
   ---------------------------------------------------------------- */
.nb-table {
  width: 100%;
  border-collapse: separate;
  border-spacing: 0;
  background: var(--nb-white);
  border: var(--nb-bw) solid var(--nb-ink);
  border-radius: var(--nb-radius);
  box-shadow: var(--nb-shadow);
  overflow: hidden;
  font-size: 0.95rem;
}

.nb-table thead th {
  background: var(--nb-ink);
  color: var(--nb-bg);
  font-family: var(--nb-font-head);
  text-transform: uppercase;
  font-size: 0.8rem;
  letter-spacing: 0.04em;
  text-align: left;
  padding: 12px 14px;
}

.nb-table tbody td {
  padding: 11px 14px;
  border-top: var(--nb-bw) solid var(--nb-ink);
  vertical-align: middle;
}

.nb-table tbody tr:nth-child(even) td {
  background: color-mix(in srgb, var(--nb-yellow) 28%, var(--nb-white));
}

.nb-table tbody tr:hover td {
  background: var(--nb-cyan);
}

.nb-table--wrap {
  width: 100%;
  overflow-x: auto;
  border-radius: var(--nb-radius);
}

/* ----------------------------------------------------------------
   Stat
   ---------------------------------------------------------------- */
.nb-stat {
  display: flex;
  flex-direction: column;
  gap: 4px;
  background: var(--nb-white);
  border: var(--nb-bw) solid var(--nb-ink);
  border-radius: var(--nb-radius);
  box-shadow: var(--nb-shadow);
  padding: 16px 18px;
}
.nb-stat__value {
  font-family: var(--nb-font-head);
  font-size: clamp(1.8rem, 4vw, 2.6rem);
  line-height: 1;
}
.nb-stat__label {
  font-weight: 700;
  font-size: 0.78rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  opacity: 0.75;
}
.nb-stat--yellow { background: var(--nb-yellow); }
.nb-stat--pink   { background: var(--nb-pink); }
.nb-stat--cyan   { background: var(--nb-cyan); }
.nb-stat--lime   { background: var(--nb-lime); }

/* ----------------------------------------------------------------
   Tags / chips / badges  (playful rotations)
   ---------------------------------------------------------------- */
.nb-tag {
  display: inline-flex;
  align-items: center;
  gap: 5px;
  font-family: var(--nb-font-body);
  font-weight: 800;
  font-size: 0.74rem;
  text-transform: uppercase;
  letter-spacing: 0.03em;
  color: var(--nb-ink);
  background: var(--nb-yellow);
  border: var(--nb-bw) solid var(--nb-ink);
  border-radius: 4px;
  box-shadow: var(--nb-shadow-sm);
  padding: 3px 9px;
  transform: rotate(-2deg);
}
.nb-tag:nth-of-type(2n)  { transform: rotate(2deg);  background: var(--nb-cyan); }
.nb-tag:nth-of-type(3n)  { transform: rotate(-1deg); background: var(--nb-lime); }
.nb-tag:nth-of-type(4n)  { transform: rotate(1.5deg); background: var(--nb-pink); }

.nb-chip {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-family: var(--nb-font-body);
  font-weight: 700;
  font-size: 0.82rem;
  color: var(--nb-ink);
  background: var(--nb-white);
  border: var(--nb-bw) solid var(--nb-ink);
  border-radius: 999px;
  box-shadow: var(--nb-shadow-sm);
  padding: 5px 12px;
  transform: rotate(-1deg);
  transition: transform 0.1s ease, box-shadow 0.1s ease;
}
.nb-chip:hover {
  transform: rotate(-1deg) translate(-1px, -1px);
  box-shadow: var(--nb-shadow);
}
.nb-chip--cyan { background: var(--nb-cyan); }
.nb-chip--pink { background: var(--nb-pink); }
.nb-chip--lime { background: var(--nb-lime); }
.nb-chip--ai {
  background: var(--nb-lime);
  font-family: var(--nb-font-mono);
  font-size: 0.78rem;
  transform: rotate(1deg);
}

.nb-badge {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-family: var(--nb-font-head);
  font-size: 0.72rem;
  text-transform: uppercase;
  letter-spacing: 0.03em;
  color: var(--nb-bg);
  background: var(--nb-ink);
  border: 2px solid var(--nb-ink);
  border-radius: 4px;
  padding: 3px 8px;
  transform: rotate(2deg);
  box-shadow: var(--nb-shadow-sm);
}
.nb-badge--ok   { background: var(--nb-green); color: var(--nb-ink); }
.nb-badge--err  { background: var(--nb-red);   color: var(--nb-ink); }
.nb-badge--info { background: var(--nb-blue);  color: var(--nb-ink); }
.nb-badge--warn { background: var(--nb-yellow); color: var(--nb-ink); }

/* ----------------------------------------------------------------
   Avatar
   ---------------------------------------------------------------- */
.nb-avatar {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 44px;
  height: 44px;
  flex: 0 0 auto;
  font-family: var(--nb-font-head);
  font-size: 1.05rem;
  text-transform: uppercase;
  color: var(--nb-ink);
  background: var(--nb-cyan);
  border: var(--nb-bw) solid var(--nb-ink);
  border-radius: 50%;
  box-shadow: var(--nb-shadow-sm);
  transform: rotate(-3deg);
  overflow: hidden;
}
.nb-avatar img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}
.nb-avatar--sm { width: 32px; height: 32px; font-size: 0.85rem; }
.nb-avatar--lg { width: 64px; height: 64px; font-size: 1.5rem; }

/* ----------------------------------------------------------------
   Empty state
   ---------------------------------------------------------------- */
.nb-empty {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 10px;
  text-align: center;
  padding: 44px 24px;
  background: var(--nb-white);
  border: var(--nb-bw) dashed var(--nb-ink);
  border-radius: var(--nb-radius);
  color: var(--nb-ink);
}
.nb-empty__icon {
  font-size: 2.6rem;
  line-height: 1;
  transform: rotate(-6deg);
}
.nb-empty__title {
  font-family: var(--nb-font-head);
  text-transform: uppercase;
  font-size: 1.2rem;
}
.nb-empty__text {
  opacity: 0.7;
  font-weight: 500;
  max-width: 42ch;
}

/* ----------------------------------------------------------------
   Spinner
   ---------------------------------------------------------------- */
.nb-spinner {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.03em;
  font-size: 0.9rem;
}
.nb-spinner::before {
  content: "";
  width: 26px;
  height: 26px;
  flex: 0 0 auto;
  background: var(--nb-yellow);
  border: var(--nb-bw) solid var(--nb-ink);
  border-radius: 6px;
  box-shadow: var(--nb-shadow-sm);
  animation: nb-spin 0.7s steps(8, end) infinite;
}
.nb-spinner--center {
  display: flex;
  justify-content: center;
  padding: 40px 0;
}

@keyframes nb-spin {
  0%   { transform: rotate(0deg)   scale(1);    }
  50%  { transform: rotate(180deg) scale(0.85); }
  100% { transform: rotate(360deg) scale(1);    }
}

/* Loading bar variant occasionally used inline */
.nb-loadingbar {
  height: 14px;
  border: var(--nb-bw) solid var(--nb-ink);
  border-radius: 999px;
  background:
    repeating-linear-gradient(
      45deg,
      var(--nb-ink) 0 10px,
      var(--nb-yellow) 10px 20px
    );
  background-size: 200% 100%;
  animation: nb-stripe 0.8s linear infinite;
  box-shadow: var(--nb-shadow-sm);
}
@keyframes nb-stripe {
  to { background-position: 56px 0; }
}

/* ----------------------------------------------------------------
   Modal / overlay
   ---------------------------------------------------------------- */
.nb-overlay {
  position: fixed;
  inset: 0;
  z-index: 100;
  background: rgba(26, 26, 26, 0.55);
  backdrop-filter: blur(2px);
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 20px;
  animation: nb-fade 0.14s ease;
}

.nb-modal {
  width: 100%;
  max-width: 540px;
  animation: nb-pop 0.16s cubic-bezier(0.2, 0.9, 0.3, 1.4);
}

.nb-modal__box {
  background: var(--nb-white);
  border: var(--nb-bw) solid var(--nb-ink);
  border-radius: var(--nb-radius);
  box-shadow: var(--nb-shadow-lg);
  padding: 24px;
  max-height: 86vh;
  overflow: auto;
}

.nb-modal__head {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 14px;
  margin-bottom: 14px;
}
.nb-modal__title {
  font-family: var(--nb-font-head);
  text-transform: uppercase;
  font-size: 1.3rem;
  margin: 0;
}
.nb-modal__close {
  flex: 0 0 auto;
  width: 36px;
  height: 36px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-size: 1.2rem;
  font-weight: 900;
  line-height: 1;
  cursor: pointer;
  background: var(--nb-pink);
  border: var(--nb-bw) solid var(--nb-ink);
  border-radius: var(--nb-radius);
  box-shadow: var(--nb-shadow-sm);
  transition: transform 0.1s ease, box-shadow 0.1s ease;
}
.nb-modal__close:hover {
  transform: translate(-2px, -2px) rotate(-4deg);
  box-shadow: var(--nb-shadow);
}
.nb-modal__foot {
  display: flex;
  gap: 10px;
  justify-content: flex-end;
  flex-wrap: wrap;
  margin-top: 20px;
}

@keyframes nb-fade {
  from { opacity: 0; }
  to   { opacity: 1; }
}
@keyframes nb-pop {
  from { opacity: 0; transform: translateY(14px) scale(0.96); }
  to   { opacity: 1; transform: translateY(0)    scale(1);    }
}

/* ----------------------------------------------------------------
   Toast
   ---------------------------------------------------------------- */
#toast-root {
  position: fixed;
  z-index: 200;
  bottom: 22px;
  right: 22px;
  display: flex;
  flex-direction: column;
  gap: 12px;
  pointer-events: none;
}

.nb-toast {
  pointer-events: auto;
  min-width: 220px;
  max-width: 360px;
  display: flex;
  align-items: center;
  gap: 10px;
  font-weight: 700;
  font-size: 0.95rem;
  color: var(--nb-ink);
  background: var(--nb-white);
  border: var(--nb-bw) solid var(--nb-ink);
  border-radius: var(--nb-radius);
  box-shadow: var(--nb-shadow);
  padding: 12px 16px;
  transform: rotate(-1deg);
  animation: nb-toast-in 0.2s cubic-bezier(0.2, 0.9, 0.3, 1.4);
}
.nb-toast::before {
  font-size: 1.15rem;
  line-height: 1;
}
.nb-toast--ok   { background: var(--nb-lime); }
.nb-toast--ok::before   { content: "✅"; }
.nb-toast--err  { background: var(--nb-red); }
.nb-toast--err::before  { content: "💥"; }
.nb-toast--info { background: var(--nb-cyan); }
.nb-toast--info::before { content: "💬"; }

.nb-toast.is-leaving {
  animation: nb-toast-out 0.2s ease forwards;
}

@keyframes nb-toast-in {
  from { opacity: 0; transform: translateX(40px) rotate(-1deg); }
  to   { opacity: 1; transform: translateX(0)    rotate(-1deg); }
}
@keyframes nb-toast-out {
  to { opacity: 0; transform: translateX(40px) rotate(-1deg); }
}

/* ----------------------------------------------------------------
   Chat (AI assistant)
   ---------------------------------------------------------------- */
.nb-chat {
  display: flex;
  flex-direction: column;
  gap: 14px;
  height: calc(100vh - 180px);
  min-height: 420px;
}
.nb-chat__log {
  flex: 1 1 auto;
  overflow-y: auto;
  display: flex;
  flex-direction: column;
  gap: 14px;
  padding: 8px 4px;
}
.nb-msg {
  max-width: 80%;
  border: var(--nb-bw) solid var(--nb-ink);
  border-radius: var(--nb-radius);
  box-shadow: var(--nb-shadow-sm);
  padding: 12px 14px;
  font-weight: 500;
  line-height: 1.5;
  word-wrap: break-word;
  overflow-wrap: anywhere;
}
.nb-msg--user {
  align-self: flex-end;
  background: var(--nb-cyan);
  transform: rotate(0.5deg);
}
.nb-msg--ai {
  align-self: flex-start;
  background: var(--nb-white);
  transform: rotate(-0.5deg);
}
.nb-msg pre { margin: 8px 0 0; }
.nb-chat__bar {
  display: flex;
  align-items: flex-end;
  gap: 10px;
}
.nb-chat__bar .nb-textarea {
  min-height: 52px;
  margin: 0;
}

/* ----------------------------------------------------------------
   Utilities
   ---------------------------------------------------------------- */
.nb-text-center { text-align: center; }
.nb-text-mono   { font-family: var(--nb-font-mono); }
.nb-muted       { opacity: 0.65; }
.nb-mt-0  { margin-top: 0; }
.nb-mt    { margin-top: 16px; }
.nb-mb    { margin-bottom: 16px; }
.nb-mb-0  { margin-bottom: 0; }
.nb-grow  { flex: 1 1 auto; }
.nb-wrap  { flex-wrap: wrap; }
.nb-gap-sm { gap: 8px; }
.nb-gap-lg { gap: 24px; }
.nb-hide  { display: none !important; }
.nb-rotate-l { transform: rotate(-2deg); }
.nb-rotate-r { transform: rotate(2deg); }
.nb-full  { width: 100%; }
.nb-noselect { -webkit-user-select:none; -moz-user-select:none; user-select:none; -webkit-touch-callout:none; }

/* ----------------------------------------------------------------
   Responsive
   ---------------------------------------------------------------- */
@media (max-width: 720px) {
  body { font-size: 15px; }

  .nb-container { padding: 20px 14px 56px; }

  .nb-nav {
    padding: 10px 14px;
    gap: 10px;
  }
  .nb-nav__spacer { flex-basis: 100%; height: 0; }
  .nb-nav__links {
    order: 3;
    flex-basis: 100%;
    overflow-x: auto;
    -webkit-overflow-scrolling: touch;
    padding-bottom: 2px;
  }
  .nb-nav__link { white-space: nowrap; }
  .nb-nav__user { order: 2; }

  .nb-grid { grid-template-columns: 1fr; gap: 16px; }

  .nb-hero { padding: 28px 20px; }
  .nb-hero::after { width: 110px; height: 110px; top: -30px; right: -30px; }

  .nb-msg { max-width: 92%; }

  .nb-modal__foot { justify-content: stretch; }
  .nb-modal__foot .nb-btn { flex: 1 1 auto; }

  #toast-root { left: 14px; right: 14px; bottom: 14px; }
  .nb-toast { max-width: none; }
}

@media (max-width: 460px) {
  .nb-row--between { gap: 8px; }
  .nb-btn { font-size: 0.9rem; padding: 11px 14px; }
  .nb-table { font-size: 0.86rem; }
  .nb-table thead th,
  .nb-table tbody td { padding: 9px 10px; }
}

/* ----------------------------------------------------------------
   Phone (<=640px): single-column, thin scrolling nav, tappable modals
   ---------------------------------------------------------------- */
@media (max-width: 640px) {
  /* Container: trim the big bottom padding + tighten the top a touch */
  .nb-container { padding: 16px 14px 24px; }

  /* --- Nav stays a THIN single-row bar; links scroll sideways --- */
  .nb-nav { padding: 5px 10px; }
  /* The nav inner is a .nb-row (can wrap on phones) — force one row. */
  .nb-nav__inner {
    flex-wrap: nowrap !important;
    gap: 8px;
  }
  /* Shrink the brand so it doesn't eat the bar. (overrides .nb-title clamp) */
  .nb-nav__brand.nb-title,
  .nb-nav__brand {
    font-size: 0.82rem !important;
    padding: 3px 7px;
    flex: 0 0 auto;
  }
  /* Links: horizontal scroll, never wrap to a second row. Override the
     wider-tablet rules that pushed links onto their own line. */
  .nb-nav__links {
    order: 0;
    flex: 1 1 auto;
    flex-basis: auto;
    min-width: 0;
    flex-wrap: nowrap;
    overflow-x: auto;
    overflow-y: hidden;
    -webkit-overflow-scrolling: touch;
    scrollbar-width: none;
    padding-bottom: 0;
  }
  .nb-nav__links::-webkit-scrollbar { height: 0; display: none; }
  .nb-nav__link { white-space: nowrap; flex: 0 0 auto; }
  .nb-nav__user { flex: 0 0 auto; }
  /* Hide the email/username on phones to save the bar width. */
  .nb-nav__email { display: none !important; }

  /* --- Forms & card grids stack to a single column --- */
  .nb-grid { grid-template-columns: 1fr !important; gap: 14px; }
  .nb-field { margin-bottom: 14px; }
  /* Inputs/selects/textareas already width:100%; make sure inline flex:1
     fields also fill the row when they stack. */
  .nb-input,
  .nb-select,
  .nb-textarea { width: 100%; }

  /* --- Modals: fit the viewport with side padding + internal scroll --- */
  .nb-overlay { padding: 12px; align-items: flex-start; }
  .nb-modal { max-width: 100%; }
  .nb-modal__box {
    padding: 18px 16px;
    max-height: 88vh;
    overflow: auto;
  }
  /* Footer buttons wrap and grow to a comfortable tap target. */
  .nb-modal__foot {
    justify-content: stretch;
    gap: 8px;
  }
  .nb-modal__foot .nb-btn {
    flex: 1 1 auto;
    min-height: 44px;
  }

  /* Hero: lighter padding on small screens. */
  .nb-hero { padding: 26px 18px; margin-bottom: 20px; }
  .nb-hero::after { width: 100px; height: 100px; top: -28px; right: -28px; }

  .nb-msg { max-width: 92%; }
}

/* ----------------------------------------------------------------
   Small phone (<=400px): even tighter, full-width button rows
   ---------------------------------------------------------------- */
@media (max-width: 400px) {
  body { font-size: 15px; }

  .nb-container { padding: 14px 12px 20px; }

  .nb-nav { padding: 5px 8px; gap: 6px; }
  .nb-nav__brand.nb-title,
  .nb-nav__brand { font-size: 0.78rem !important; }

  /* Forms stay single-column (reinforce in case of nested overrides). */
  .nb-grid { grid-template-columns: 1fr !important; gap: 12px; }

  /* Modal padding even tighter; close button still easy to hit. */
  .nb-modal__box { padding: 16px 13px; }

  /* Any .nb-row used as a button row wraps; buttons grow to a tap size. */
  .nb-row .nb-btn { min-height: 40px; }
  .nb-modal__foot .nb-btn { min-height: 44px; }

  /* Chat input bar stacks the send button under the textarea. */
  .nb-chat__bar { flex-wrap: wrap; }
  .nb-chat__bar .nb-textarea { flex: 1 1 100%; }
  .nb-chat__bar .nb-btn { flex: 1 1 auto; min-height: 44px; }
}

/* ----------------------------------------------------------------
   Reduced motion
   ---------------------------------------------------------------- */
@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    animation-duration: 0.001ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.001ms !important;
  }
  .nb-spinner::before { animation: nb-spin 0.8s steps(8, end) infinite; }
}