/* ============================================================
   AFRIFASHION AI — Design System
   Premium modern African-inspired aesthetic.
   Palette: deep purple, warm gold, charcoal, off-white.
   Mobile-first, PWA-ready.
   ============================================================ */

:root {
  --purple-900: #2a1a4a;
  --purple-700: #45278b;
  --purple-600: #5a35b8;
  --purple-500: #7b4bd0;
  --purple-100: #efe9fb;
  --gold-600: #b08930;
  --gold-500: #d4a539;
  --gold-100: #f8efd9;
  --char-900: #1d1a17;
  --char-700: #3c322d;
  --char-500: #6b5d52;
  --char-300: #a99a8c;
  --off-white: #faf7f2;
  --cream: #f3eee6;
  --white: #ffffff;
  --red: #ad402e;
  --green: #2e7d4f;
  --radius: 16px;
  --radius-sm: 10px;
  --shadow: 0 4px 24px rgba(42, 26, 74, .10);
  --shadow-lg: 0 12px 48px rgba(42, 26, 74, .18);
  --font: 'Sora', 'Segoe UI', system-ui, -apple-system, sans-serif;
  --font-display: 'Fraunces', Georgia, serif;
}

* { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body {
  font-family: var(--font);
  color: var(--char-900);
  background: var(--off-white);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}
img { max-width: 100%; display: block; }
a { color: var(--purple-600); text-decoration: none; }
h1, h2, h3 { font-family: var(--font-display); font-weight: 600; line-height: 1.15; color: var(--char-900); }

/* subtle African-inspired background motif (geometric, restrained) */
.motif-bg {
  background-image:
    radial-gradient(circle at 25px 25px, rgba(176,137,48,.05) 2px, transparent 2.5px),
    radial-gradient(circle at 75px 75px, rgba(90,53,184,.05) 2px, transparent 2.5px);
  background-size: 100px 100px;
}

/* ---------------- buttons ---------------- */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: .5rem;
  padding: .78rem 1.5rem; border-radius: 999px; border: none;
  font-family: var(--font); font-weight: 600; font-size: .95rem; cursor: pointer;
  transition: transform .15s ease, box-shadow .15s ease, background .15s ease;
  text-decoration: none; white-space: nowrap;
}
.btn:active { transform: scale(.97); }
.btn-primary { background: linear-gradient(135deg, var(--purple-600), var(--purple-500)); color: #fff; box-shadow: 0 4px 16px rgba(90,53,184,.35); }
.btn-primary:hover { box-shadow: 0 6px 24px rgba(90,53,184,.45); transform: translateY(-1px); }
.btn-gold { background: linear-gradient(135deg, var(--gold-600), var(--gold-500)); color: #fff; box-shadow: 0 4px 16px rgba(176,137,48,.35); }
.btn-outline { background: transparent; border: 2px solid var(--purple-500); color: var(--purple-600); }
.btn-ghost { background: rgba(255,255,255,.12); color: #fff; border: 1px solid rgba(255,255,255,.35); }
.btn-light { background: var(--white); color: var(--purple-700); box-shadow: var(--shadow); }
.btn-danger { background: var(--red); color: #fff; }
.btn-sm { padding: .45rem 1rem; font-size: .82rem; }
.btn-block { width: 100%; }
.btn:disabled { opacity: .55; cursor: not-allowed; }

/* ---------------- cards ---------------- */
.card {
  background: var(--white); border-radius: var(--radius);
  box-shadow: var(--shadow); padding: 1.4rem;
}
.card-hover { transition: transform .2s ease, box-shadow .2s ease; }
.card-hover:hover { transform: translateY(-4px); box-shadow: var(--shadow-lg); }

/* ---------------- forms ---------------- */
label { font-size: .85rem; font-weight: 600; color: var(--char-700); display: block; margin-bottom: .3rem; }
input[type=text], input[type=email], input[type=password], input[type=number], select, textarea {
  width: 100%; padding: .7rem .95rem; border: 1.5px solid #e4dccf; border-radius: var(--radius-sm);
  font-family: var(--font); font-size: .95rem; background: var(--white); color: var(--char-900);
  transition: border-color .15s ease;
}
input:focus, select:focus, textarea:focus { outline: none; border-color: var(--purple-500); }
.field { margin-bottom: 1rem; }
.form-grid { display: grid; grid-template-columns: 1fr; gap: .8rem 1rem; }
@media (min-width: 640px) { .form-grid { grid-template-columns: 1fr 1fr; } .form-grid-3 { grid-template-columns: 1fr 1fr 1fr; } }

/* ---------------- badges, chips ---------------- */
.badge { display: inline-block; padding: .18rem .7rem; border-radius: 999px; font-size: .72rem; font-weight: 700; letter-spacing: .3px; }
.badge-gold { background: var(--gold-100); color: var(--gold-600); }
.badge-purple { background: var(--purple-100); color: var(--purple-600); }
.badge-green { background: #e2f2e8; color: var(--green); }
.badge-red { background: #f9e4e0; color: var(--red); }
.badge-grey { background: var(--cream); color: var(--char-500); }
.chip { display: inline-flex; align-items: center; padding: .4rem 1rem; border-radius: 999px; background: var(--white); border: 1.5px solid #e4dccf; font-size: .85rem; font-weight: 600; color: var(--char-700); cursor: pointer; transition: all .15s ease; }
.chip:hover, .chip.active { border-color: var(--purple-500); background: var(--purple-100); color: var(--purple-700); }

/* ---------------- public nav ---------------- */
.pnav { position: sticky; top: 0; z-index: 60; background: rgba(250,247,242,.92); backdrop-filter: blur(12px); border-bottom: 1px solid #eee5d8; }
.pnav-inner { max-width: 1200px; margin: 0 auto; display: flex; align-items: center; justify-content: space-between; padding: .8rem 1.2rem; }
.logo { display: flex; align-items: center; gap: .55rem; font-family: var(--font-display); font-weight: 700; font-size: 1.15rem; color: var(--char-900); }
.logo-mark { width: 34px; height: 34px; border-radius: 10px; background: linear-gradient(135deg, var(--purple-600), var(--gold-500)); display: grid; place-items: center; color: #fff; font-size: 1rem; font-weight: 800; font-family: var(--font); }
.pnav-links { display: none; gap: 1.6rem; align-items: center; }
.pnav-links a { color: var(--char-700); font-weight: 600; font-size: .92rem; }
.pnav-links a:hover { color: var(--purple-600); }
.pnav-cta { display: none; gap: .6rem; }
.pnav-burger { background: none; border: none; font-size: 1.5rem; cursor: pointer; color: var(--char-900); }
@media (min-width: 900px) {
  .pnav-links, .pnav-cta { display: flex; }
  .pnav-burger { display: none; }
}
.pnav-mobile { display: none; flex-direction: column; padding: 1rem 1.4rem 1.4rem; gap: .9rem; background: var(--off-white); border-bottom: 1px solid #eee5d8; }
.pnav-mobile.open { display: flex; }
.pnav-mobile a { font-weight: 600; color: var(--char-700); }

/* ---------------- hero ---------------- */
.hero { background: linear-gradient(150deg, var(--purple-900) 0%, var(--purple-700) 55%, #6b3fa8 100%); color: #fff; overflow: hidden; position: relative; }
.hero::after { content: ''; position: absolute; inset: 0; background-image: radial-gradient(circle at 20px 20px, rgba(212,165,57,.12) 2px, transparent 3px); background-size: 90px 90px; pointer-events: none; }
.hero-inner { max-width: 1200px; margin: 0 auto; padding: 4rem 1.4rem; display: grid; gap: 2.5rem; position: relative; z-index: 1; }
.hero h1 { color: #fff; font-size: clamp(2.1rem, 5.5vw, 3.6rem); }
.hero h1 em { font-style: normal; color: var(--gold-500); }
.hero p.sub { color: rgba(255,255,255,.85); font-size: 1.08rem; max-width: 34rem; margin-top: 1rem; }
.hero-ctas { display: flex; gap: .8rem; flex-wrap: wrap; margin-top: 1.8rem; }
.hero-img { border-radius: var(--radius); box-shadow: var(--shadow-lg); overflow: hidden; }
.hero-img img { width: 100%; height: 100%; object-fit: cover; }
@media (min-width: 900px) { .hero-inner { grid-template-columns: 1.1fr .9fr; align-items: center; padding: 5.5rem 1.4rem; } }

/* ---------------- sections ---------------- */
.section { max-width: 1200px; margin: 0 auto; padding: 3.6rem 1.4rem; }
.section-title { text-align: center; margin-bottom: .6rem; font-size: clamp(1.6rem, 3.5vw, 2.3rem); }
.section-sub { text-align: center; color: var(--char-500); max-width: 42rem; margin: 0 auto 2.4rem; }
.grid-3 { display: grid; gap: 1.4rem; grid-template-columns: 1fr; }
.grid-4 { display: grid; gap: 1.4rem; grid-template-columns: 1fr 1fr; }
@media (min-width: 760px) { .grid-3 { grid-template-columns: repeat(3, 1fr); } .grid-4 { grid-template-columns: repeat(4, 1fr); } }

.step-num { width: 44px; height: 44px; border-radius: 50%; background: linear-gradient(135deg, var(--purple-600), var(--purple-500)); color: #fff; display: grid; place-items: center; font-weight: 800; font-size: 1.1rem; margin-bottom: .9rem; }
.feature-icon { font-size: 1.7rem; margin-bottom: .7rem; }

/* pricing */
.price-card { position: relative; display: flex; flex-direction: column; }
.price-card .price { font-size: 2rem; font-weight: 800; font-family: var(--font-display); margin: .4rem 0 .8rem; }
.price-card .price small { font-size: .85rem; color: var(--char-500); font-weight: 400; }
.price-card ul { list-style: none; margin: 0 0 1.4rem; flex: 1; }
.price-card li { padding: .34rem 0; font-size: .9rem; color: var(--char-700); }
.price-card li::before { content: '✓'; color: var(--gold-600); font-weight: 800; margin-right: .55rem; }
.price-featured { border: 2px solid var(--purple-500); }
.price-featured::before { content: 'MOST POPULAR'; position: absolute; top: -12px; left: 50%; transform: translateX(-50%); background: var(--purple-600); color: #fff; font-size: .66rem; font-weight: 800; padding: .22rem .9rem; border-radius: 999px; letter-spacing: 1px; }

/* footer */
.footer { background: var(--char-900); color: #cbbfae; padding: 3rem 1.4rem 2rem; margin-top: 2rem; }
.footer-inner { max-width: 1200px; margin: 0 auto; display: grid; gap: 2rem; grid-template-columns: 1fr; }
@media (min-width: 760px) { .footer-inner { grid-template-columns: 2fr 1fr 1fr 1fr; } }
.footer h4 { color: #fff; margin-bottom: .8rem; font-family: var(--font); font-size: .95rem; }
.footer a { display: block; color: #cbbfae; font-size: .88rem; padding: .18rem 0; }
.footer a:hover { color: var(--gold-500); }
.footer-bottom { max-width: 1200px; margin: 2rem auto 0; padding-top: 1.4rem; border-top: 1px solid rgba(255,255,255,.1); font-size: .8rem; color: #8d8172; }

/* ---------------- app shell ---------------- */
.app-shell { display: flex; min-height: 100vh; }
.sidebar {
  display: none; width: 250px; flex-shrink: 0; background: var(--purple-900); color: #fff;
  flex-direction: column; padding: 1.2rem .9rem; position: sticky; top: 0; height: 100vh; overflow-y: auto;
}
@media (min-width: 900px) { .sidebar { display: flex; } }
.sidebar .logo { color: #fff; margin-bottom: 1.6rem; padding: 0 .5rem; }
.snav { display: flex; flex-direction: column; gap: .15rem; flex: 1; }
.snav a {
  display: flex; align-items: center; gap: .7rem; padding: .62rem .8rem; border-radius: 10px;
  color: rgba(255,255,255,.78); font-size: .9rem; font-weight: 500; transition: background .15s ease;
}
.snav a:hover { background: rgba(255,255,255,.08); color: #fff; }
.snav a.active { background: linear-gradient(135deg, rgba(212,165,57,.25), rgba(123,75,208,.35)); color: #fff; font-weight: 600; }
.snav .icon { width: 20px; text-align: center; }
.sidebar-footer { padding: .8rem .5rem 0; border-top: 1px solid rgba(255,255,255,.12); font-size: .8rem; color: rgba(255,255,255,.6); }

.app-main { flex: 1; min-width: 0; padding: 1.2rem 1.2rem 5.5rem; }
@media (min-width: 900px) { .app-main { padding: 1.8rem 2.2rem 2.5rem; } }
.app-topbar { display: flex; align-items: center; justify-content: space-between; margin-bottom: 1.4rem; gap: 1rem; }
.app-topbar h1 { font-size: 1.45rem; }

/* mobile bottom nav */
.bottom-nav {
  position: fixed; bottom: 0; left: 0; right: 0; z-index: 70;
  display: flex; background: var(--white); border-top: 1px solid #eee5d8;
  padding: .35rem 0 calc(.35rem + env(safe-area-inset-bottom));
  box-shadow: 0 -4px 20px rgba(42,26,74,.08);
}
@media (min-width: 900px) { .bottom-nav { display: none; } }
.bottom-nav a { flex: 1; display: flex; flex-direction: column; align-items: center; gap: .1rem; font-size: .62rem; color: var(--char-500); font-weight: 600; padding: .3rem 0; }
.bottom-nav a .icon { font-size: 1.25rem; }
.bottom-nav a.active { color: var(--purple-600); }
.bottom-nav .fab { position: relative; top: -18px; flex: 0 0 64px; }
.bottom-nav .fab span.fab-btn { width: 54px; height: 54px; border-radius: 50%; background: linear-gradient(135deg, var(--purple-600), var(--gold-500)); color: #fff; display: grid; place-items: center; font-size: 1.6rem; box-shadow: 0 6px 20px rgba(90,53,184,.45); }

/* stat cards */
.stat-grid { display: grid; gap: 1rem; grid-template-columns: repeat(2, 1fr); }
@media (min-width: 900px) { .stat-grid { grid-template-columns: repeat(4, 1fr); } }
.stat { background: var(--white); border-radius: var(--radius); padding: 1.1rem 1.2rem; box-shadow: var(--shadow); }
.stat .val { font-size: 1.6rem; font-weight: 800; font-family: var(--font-display); color: var(--purple-700); }
.stat .lbl { font-size: .78rem; color: var(--char-500); font-weight: 600; }

/* design cards */
.design-grid { display: grid; gap: 1.2rem; grid-template-columns: repeat(auto-fill, minmax(240px, 1fr)); }
.design-card { background: var(--white); border-radius: var(--radius); overflow: hidden; box-shadow: var(--shadow); display: flex; flex-direction: column; }
.design-card .img { aspect-ratio: 3/4; background: var(--cream); overflow: hidden; }
.design-card .img img { width: 100%; height: 100%; object-fit: cover; transition: transform .3s ease; }
.design-card:hover .img img { transform: scale(1.03); }
.design-card .body { padding: 1rem 1.1rem 1.2rem; display: flex; flex-direction: column; gap: .45rem; flex: 1; }
.design-card h3 { font-size: 1.02rem; font-family: var(--font); font-weight: 700; }
.design-card .desc { font-size: .82rem; color: var(--char-500); line-height: 1.45; flex: 1; }
.design-card .meta { display: flex; flex-wrap: wrap; gap: .4rem; }
.design-card .actions { display: grid; grid-template-columns: 1fr 1fr; gap: .5rem; margin-top: .6rem; }

/* fabric swatches */
.fabric-grid { display: grid; gap: 1rem; grid-template-columns: repeat(auto-fill, minmax(150px, 1fr)); }
.fabric-card { border-radius: var(--radius); overflow: hidden; background: var(--white); box-shadow: var(--shadow); cursor: pointer; border: 2.5px solid transparent; transition: border-color .15s ease; }
.fabric-card.selected { border-color: var(--purple-500); }
.fabric-card .swatch { aspect-ratio: 1; }
.fabric-card .swatch img { width: 100%; height: 100%; object-fit: cover; }
.fabric-card .info { padding: .6rem .8rem; font-size: .8rem; }
.fabric-card .info strong { display: block; font-size: .85rem; }

/* dropzone */
.dropzone {
  border: 2.5px dashed var(--char-300); border-radius: var(--radius); background: var(--white);
  padding: 2.6rem 1.4rem; text-align: center; cursor: pointer; transition: all .2s ease;
}
.dropzone:hover, .dropzone.drag { border-color: var(--purple-500); background: var(--purple-100); }
.dropzone .icon { font-size: 2.6rem; margin-bottom: .6rem; }

/* studio */
.studio { display: grid; gap: 1.2rem; grid-template-columns: 1fr; }
@media (min-width: 1100px) { .studio { grid-template-columns: 300px 1fr 300px; align-items: start; } }
.studio-main-img { border-radius: var(--radius); overflow: hidden; box-shadow: var(--shadow-lg); background: var(--cream); }
.studio-main-img img { width: 100%; }
.variation-strip { display: flex; gap: .6rem; overflow-x: auto; padding: .8rem 0 .3rem; }
.variation-strip img { width: 72px; height: 96px; object-fit: cover; border-radius: 8px; cursor: pointer; border: 2.5px solid transparent; flex-shrink: 0; }
.variation-strip img.active { border-color: var(--gold-500); }

/* chat */
.chat-box { display: flex; flex-direction: column; height: 420px; }
.chat-msgs { flex: 1; overflow-y: auto; display: flex; flex-direction: column; gap: .7rem; padding: .4rem 0; }
.msg { max-width: 85%; padding: .65rem 1rem; border-radius: 16px; font-size: .88rem; line-height: 1.5; white-space: pre-wrap; }
.msg.user { align-self: flex-end; background: var(--purple-600); color: #fff; border-bottom-right-radius: 4px; }
.msg.ai { align-self: flex-start; background: var(--cream); color: var(--char-900); border-bottom-left-radius: 4px; }
.chat-input { display: flex; gap: .5rem; padding-top: .7rem; }
.chat-input input { flex: 1; }

/* steps / guides */
.guide-step { display: flex; gap: 1rem; padding: 1rem 0; border-bottom: 1px solid #eee5d8; }
.guide-step:last-child { border-bottom: none; }
.guide-step .num { width: 34px; height: 34px; flex-shrink: 0; border-radius: 50%; background: var(--purple-100); color: var(--purple-700); display: grid; place-items: center; font-weight: 800; font-size: .9rem; }
.guide-step.done .num { background: var(--green); color: #fff; }
.guide-step h4 { font-size: .98rem; }
.guide-step .meta { font-size: .75rem; color: var(--char-500); margin-top: .15rem; }
.guide-step p { font-size: .88rem; color: var(--char-700); margin-top: .3rem; }

/* alerts + toast */
.alert { padding: .8rem 1.1rem; border-radius: var(--radius-sm); font-size: .9rem; margin-bottom: 1rem; }
.alert-error { background: #f9e4e0; color: var(--red); }
.alert-success { background: #e2f2e8; color: var(--green); }
.alert-info { background: var(--purple-100); color: var(--purple-700); }
.alert-warn { background: var(--gold-100); color: #7d6120; }
#toast { position: fixed; bottom: 84px; left: 50%; transform: translateX(-50%); z-index: 100; background: var(--char-900); color: #fff; padding: .7rem 1.4rem; border-radius: 999px; font-size: .88rem; opacity: 0; pointer-events: none; transition: opacity .25s ease; max-width: 90vw; text-align: center; }
#toast.show { opacity: 1; }

/* AI loading overlay */
.ai-loading { position: fixed; inset: 0; z-index: 90; background: rgba(42,26,74,.88); backdrop-filter: blur(6px); display: none; align-items: center; justify-content: center; flex-direction: column; gap: 1.4rem; color: #fff; text-align: center; padding: 2rem; }
.ai-loading.show { display: flex; }
.ai-spinner { width: 68px; height: 68px; border-radius: 50%; border: 4px solid rgba(255,255,255,.2); border-top-color: var(--gold-500); animation: spin 1s linear infinite; }
@keyframes spin { to { transform: rotate(360deg); } }
.ai-loading .msg-txt { font-size: 1.05rem; font-weight: 600; min-height: 1.6em; }

/* modal */
.modal-back { position: fixed; inset: 0; z-index: 80; background: rgba(29,26,23,.55); display: none; align-items: center; justify-content: center; padding: 1rem; }
.modal-back.show { display: flex; }
.modal { background: var(--white); border-radius: var(--radius); max-width: 560px; width: 100%; max-height: 90vh; overflow-y: auto; padding: 1.6rem; }

/* tables */
.tbl { width: 100%; border-collapse: collapse; font-size: .85rem; background: var(--white); border-radius: var(--radius); overflow: hidden; box-shadow: var(--shadow); }
.tbl th { text-align: left; padding: .75rem .9rem; background: var(--purple-900); color: #fff; font-size: .75rem; letter-spacing: .5px; }
.tbl td { padding: .65rem .9rem; border-bottom: 1px solid #f0ead f; border-bottom: 1px solid #f0eadf; vertical-align: middle; }
.tbl tr:last-child td { border-bottom: none; }
.tbl-wrap { overflow-x: auto; border-radius: var(--radius); }

/* misc */
.muted { color: var(--char-500); font-size: .85rem; }
.mt-1 { margin-top: .5rem; } .mt-2 { margin-top: 1rem; } .mt-3 { margin-top: 1.6rem; }
.mb-1 { margin-bottom: .5rem; } .mb-2 { margin-bottom: 1rem; } .mb-3 { margin-bottom: 1.6rem; }
.flex { display: flex; gap: .7rem; align-items: center; } .flex-wrap { flex-wrap: wrap; }
.between { justify-content: space-between; }
.center { text-align: center; }
.grid-2 { display: grid; gap: 1.2rem; grid-template-columns: 1fr; }
@media (min-width: 800px) { .grid-2 { grid-template-columns: 1fr 1fr; } }
.hide-mobile { display: none; } @media (min-width: 900px) { .hide-mobile { display: block; } }
.fade-in { animation: fadeIn .4s ease; }
@keyframes fadeIn { from { opacity: 0; transform: translateY(8px); } to { opacity: 1; transform: none; } }
.auth-card { max-width: 440px; margin: 3rem auto; }
.progress-track { display: flex; gap: .3rem; margin: .6rem 0 1rem; }
.progress-track span { flex: 1; height: 6px; border-radius: 3px; background: #e4dccf; }
.progress-track span.on { background: linear-gradient(90deg, var(--purple-500), var(--gold-500)); }