/* =====================================================================
   Nagaland AI — account, auth, pricing, checkout components.
   Theme-independent; follows html[data-theme=light] when present.
   ===================================================================== */
/* Global fallbacks: the same tokens on :root, so a .nai-btn placed outside these containers (theme header, hero) still renders. */
:root {
  --p-bg: #0F1720; --p-bg-2: #142030; --p-line: rgba(255,255,255,.1); --p-line-2: rgba(255,255,255,.16);
  --p-text: #F2F6F4; --p-muted: #9FB0A8; --p-green: #10B981; --p-green-2: #0d9488; --p-gold: #EAC85E; --p-danger: #EF4444;
  --p-font: "Outfit", -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
}
html[data-theme="light"] {
  --p-bg: #FFFFFF; --p-bg-2: #F3F7F5; --p-line: rgba(15,36,25,.1); --p-line-2: rgba(15,36,25,.18); --p-text: #0F2419; --p-muted: #526B5E; --p-gold: #8a6a14;
}
.nai-account, .nai-auth, .nai-upgrade, .nai-pricing, .nai-checkout, .nai-card, .nai-appcta, .nai-notice {
  --p-bg: #0F1720; --p-bg-2: #142030; --p-line: rgba(255,255,255,.1); --p-line-2: rgba(255,255,255,.16);
  --p-text: #F2F6F4; --p-muted: #9FB0A8; --p-green: #10B981; --p-green-2: #0d9488; --p-gold: #EAC85E; --p-danger: #EF4444;
  --p-font: "Outfit", -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
  font-family: var(--p-font); color: var(--p-text); -webkit-font-smoothing: antialiased;
}
html[data-theme="light"] .nai-account, html[data-theme="light"] .nai-auth, html[data-theme="light"] .nai-upgrade, html[data-theme="light"] .nai-pricing, html[data-theme="light"] .nai-checkout, html[data-theme="light"] .nai-card, html[data-theme="light"] .nai-appcta, html[data-theme="light"] .nai-notice {
  --p-bg: #FFFFFF; --p-bg-2: #F3F7F5; --p-line: rgba(15,36,25,.1); --p-line-2: rgba(15,36,25,.18); --p-text: #0F2419; --p-muted: #526B5E; --p-gold: #8a6a14;
}
.nai-card { background: var(--p-bg); border: 1px solid var(--p-line); border-radius: 20px; padding: 24px; margin: 0 0 18px; box-shadow: 0 10px 30px rgba(0,0,0,.18); }
html[data-theme="light"] .nai-card { box-shadow: 0 10px 30px rgba(15,36,25,.06); }
.nai-card--center { text-align: center; }
.nai-card--muted { background: var(--p-bg-2); box-shadow: none; }
.nai-card--danger { border-color: rgba(239,68,68,.3); }
.nai-card--danger summary { cursor: pointer; color: #f87171; }
.nai-card__head { display: flex; align-items: center; justify-content: space-between; gap: 10px; margin-bottom: 10px; }
.nai-card__head h3, .nai-card h3 { margin: 0; font-size: 18px; font-weight: 800; letter-spacing: -.2px; color: var(--p-text); }
.nai-card__icon { font-size: 34px; margin-bottom: 8px; }
.nai-card p { color: var(--p-muted); margin: 0 0 12px; font-size: 15px; line-height: 1.6; }
.nai-card p a, .nai-fine a, .nai-form__links a, .nai-form__fine a, .nai-auth__alt a { color: var(--p-green); font-weight: 600; text-decoration: none; }
.nai-fine { font-size: 12.5px; color: var(--p-muted) !important; margin: 10px 0 0 !important; }
.nai-center { text-align: center; }
.nai-pill { display: inline-flex; align-items: center; font-size: 11.5px; font-weight: 800; padding: 4px 10px; border-radius: 999px; letter-spacing: .2px; white-space: nowrap; }
.nai-pill--soft { background: rgba(255,255,255,.08); color: var(--p-text); border: 1px solid var(--p-line-2); }
.nai-pill--green { background: rgba(16,185,129,.12); color: var(--p-green); border: 1px solid rgba(16,185,129,.35); }
.nai-pill--gold { background: rgba(234,200,94,.14); color: var(--p-gold); border: 1px solid rgba(234,200,94,.4); }
.nai-notice { padding: 12px 16px; border-radius: 14px; margin: 0 0 16px; font-size: 14px; border: 1px solid var(--p-line-2); background: var(--p-bg-2); }
.nai-notice--success { border-color: rgba(16,185,129,.4); background: rgba(16,185,129,.1); }
.nai-notice--error { border-color: rgba(239,68,68,.4); background: rgba(239,68,68,.1); }
.nai-actions { display: flex; flex-wrap: wrap; gap: 10px; margin-top: 14px; align-items: center; }
.nai-actions--center { justify-content: center; }
.nai-actions form { margin: 0; }

/* buttons */
.nai-btn { display: inline-flex; align-items: center; justify-content: center; gap: 8px; font: inherit; font-family: var(--p-font); font-size: 14px; font-weight: 700; padding: 12px 20px; border-radius: 12px; border: 1px solid transparent; cursor: pointer; text-decoration: none !important; transition: transform .12s, background .15s, border-color .15s, filter .15s; line-height: 1.2; }
.nai-btn--primary { background: linear-gradient(135deg, var(--p-green), var(--p-green-2)); color: #fff !important; box-shadow: 0 8px 20px rgba(16,185,129,.3); }
.nai-btn--primary:hover { transform: translateY(-1px); filter: brightness(1.05); }
.nai-btn--ghost { background: transparent; border-color: var(--p-line-2); color: var(--p-text) !important; }
.nai-btn--ghost:hover { border-color: var(--p-green); background: rgba(16,185,129,.08); }
.nai-btn--soft { background: rgba(16,185,129,.12); color: var(--p-green) !important; border-color: rgba(16,185,129,.3); }
.nai-btn--danger { background: var(--p-danger); color: #fff !important; }
.nai-btn--ghost.nai-btn--danger { background: transparent; color: #f87171 !important; border-color: rgba(239,68,68,.4); }
.nai-btn--block { width: 100%; }
.nai-btn--lg { padding: 15px 26px; font-size: 16px; border-radius: 14px; }
.nai-btn--sm { padding: 8px 13px; font-size: 13px; border-radius: 10px; }

/* forms */
.nai-form { display: flex; flex-direction: column; gap: 14px; }
.nai-form--compact { gap: 10px; }
.nai-form--inline { flex-direction: row; align-items: flex-end; flex-wrap: wrap; }
.nai-form--inline .nai-field { flex: 1; min-width: 180px; }
.nai-field { display: flex; flex-direction: column; gap: 6px; }
.nai-field > span { font-size: 12px; font-weight: 700; text-transform: uppercase; letter-spacing: .5px; color: var(--p-muted); }
.nai-field input, .nai-field select, .nai-field textarea { font: inherit; font-family: var(--p-font); font-size: 16px; color: var(--p-text); background: var(--p-bg-2); border: 1px solid var(--p-line-2); border-radius: 12px; padding: 12px 14px; width: 100%; outline: none; transition: border-color .15s, box-shadow .15s; }
.nai-field input:focus { border-color: rgba(16,185,129,.7); box-shadow: 0 0 0 4px rgba(16,185,129,.12); }
.nai-field input:disabled { opacity: .6; }
.nai-field input.nai-code { font-size: 22px; letter-spacing: 6px; font-weight: 800; text-transform: uppercase; }
.nai-form__links, .nai-form__fine { margin: 0; font-size: 13px; color: var(--p-muted); text-align: center; }
.nai-details summary { cursor: pointer; font-weight: 600; font-size: 14px; color: var(--p-green); margin: 4px 0; }
.nai-details { display: flex; flex-direction: column; gap: 10px; }

/* auth */
.nai-auth { display: grid; grid-template-columns: minmax(0, 1.1fr) minmax(0, .9fr); gap: 28px; align-items: start; max-width: 960px; margin: 0 auto; }
.nai-auth__card { padding: 32px; }
.nai-auth__head { text-align: center; margin-bottom: 20px; }
.nai-auth__head h2 { font-size: 26px; font-weight: 800; letter-spacing: -.4px; margin: 14px 0 6px; color: var(--p-text); }
.nai-auth__alt { margin: 18px 0 0 !important; text-align: center; font-size: 14px; }
.nai-auth__aside { padding: 24px; border-radius: 20px; background: linear-gradient(160deg, rgba(16,185,129,.12), rgba(234,200,94,.06)); border: 1px solid var(--p-line); }
.nai-auth__aside h3 { margin: 0 0 12px; font-size: 18px; color: var(--p-text); }
.nai-checks { list-style: none; margin: 0 0 16px; padding: 0; display: flex; flex-direction: column; gap: 9px; }
.nai-checks li { position: relative; padding-left: 28px; font-size: 14.5px; line-height: 1.5; color: var(--p-text, inherit); }
.nai-checks li::before { content: ""; position: absolute; left: 0; top: 3px; width: 18px; height: 18px; border-radius: 50%; background: rgba(16,185,129,.15); border: 1px solid rgba(16,185,129,.5); }
.nai-checks li::after { content: ""; position: absolute; left: 6px; top: 7px; width: 5px; height: 9px; border: solid var(--p-green, #10B981); border-width: 0 2px 2px 0; transform: rotate(45deg); }
.nai-checks--sm li { font-size: 13.5px; padding-left: 24px; }
.nai-checks--sm li::before { width: 15px; height: 15px; top: 4px; } .nai-checks--sm li::after { left: 5px; top: 6px; width: 4px; height: 8px; }
.nai-logo-mark { display: inline-block; width: 22px; height: 22px; background: url("../img/face-icon.png") center / contain no-repeat; position: relative; flex-shrink: 0; filter: drop-shadow(0 3px 8px rgba(255, 70, 40, .35)); }
.nai-logo-mark::after { content: none; }
.nai-logo-mark--lg { width: 64px; height: 64px; }

/* store badges */
.nai-badges { display: flex; flex-wrap: wrap; gap: 10px; margin: 10px 0 0; }
.nai-badge { display: inline-flex; align-items: center; gap: 10px; padding: 9px 16px 9px 12px; border-radius: 12px; background: #0b0f14; color: #fff !important; text-decoration: none !important; border: 1px solid rgba(255,255,255,.18); min-width: 170px; transition: transform .12s, border-color .15s; }
.nai-badge:hover { transform: translateY(-1px); border-color: rgba(255,255,255,.4); }
.nai-badge svg { width: 24px; height: 24px; flex-shrink: 0; }
.nai-badge span { display: flex; flex-direction: column; line-height: 1.1; }
.nai-badge small { font-size: 10px; opacity: .75; } .nai-badge strong { font-size: 16px; font-weight: 700; }
.nai-badges--sm .nai-badge { min-width: 150px; padding: 8px 12px; } .nai-badges--sm .nai-badge strong { font-size: 14px; }

/* account */
.nai-account { max-width: 980px; margin: 0 auto; }
.nai-account__grid { display: grid; grid-template-columns: 1.2fr .8fr; gap: 18px; }
.nai-plan-card { background: linear-gradient(160deg, rgba(16,185,129,.14), var(--p-bg) 60%); }
.nai-plan-card--pro, .nai-plan-card--promax, .nai-plan-card--promaxplus { background: linear-gradient(160deg, rgba(234,200,94,.16), var(--p-bg) 60%); border-color: rgba(234,200,94,.3); }
.nai-plan-card__status { font-size: 13.5px; font-weight: 600; }
.nai-dl { display: grid; grid-template-columns: repeat(3, 1fr); gap: 12px; margin: 14px 0; }
.nai-dl--wide { grid-template-columns: 1fr; gap: 8px; }
.nai-dl div { background: rgba(255,255,255,.04); border: 1px solid var(--p-line); border-radius: 12px; padding: 10px 12px; }
.nai-dl--wide div { display: flex; justify-content: space-between; align-items: center; }
.nai-dl dt { font-size: 11px; text-transform: uppercase; letter-spacing: .5px; color: var(--p-muted); font-weight: 700; }
.nai-dl dd { margin: 2px 0 0; font-size: 18px; font-weight: 800; }
.nai-dl--wide dd { font-size: 15px; }
.nai-dl__total { border-color: rgba(16,185,129,.4) !important; background: rgba(16,185,129,.08) !important; }
.nai-usagebar { height: 8px; border-radius: 999px; background: rgba(255,255,255,.08); overflow: hidden; }
.nai-usagebar__fill { height: 100%; background: linear-gradient(90deg, var(--p-green), var(--p-gold)); border-radius: 999px; transition: width .4s; }
.nai-children { list-style: none; margin: 0 0 14px; padding: 0; display: flex; flex-direction: column; gap: 8px; }
.nai-children li { display: flex; align-items: center; justify-content: space-between; gap: 10px; padding: 12px 14px; border-radius: 12px; background: var(--p-bg-2); border: 1px solid var(--p-line); }
.nai-children li div { display: flex; flex-direction: column; }
.nai-children strong { font-size: 15px; } .nai-children small { font-size: 12.5px; color: var(--p-muted); }
.nai-children form { margin: 0; }
.nai-tablewrap { overflow-x: auto; }
.nai-table { width: 100%; border-collapse: collapse; font-size: 13.5px; }
.nai-table th { text-align: left; font-size: 11px; text-transform: uppercase; letter-spacing: .5px; color: var(--p-muted); padding: 8px 10px; border-bottom: 1px solid var(--p-line-2); }
.nai-table td { padding: 10px; border-bottom: 1px solid var(--p-line); }
.nai-memory-embed { min-height: 80px; }

/* pricing / upgrade */
.nai-upgrade__head { text-align: center; margin-bottom: 20px; }
.nai-upgrade__head h2 { font-size: clamp(26px, 4vw, 36px); font-weight: 800; letter-spacing: -.5px; margin: 0 0 8px; color: var(--p-text); }
.nai-upgrade__head p { color: var(--p-muted); margin: 0 auto 16px; max-width: 540px; }
.nai-toggle { display: inline-flex; background: var(--p-bg-2); border: 1px solid var(--p-line-2); border-radius: 999px; padding: 4px; gap: 2px; margin: 0 auto 22px; }
.nai-toggle--center { display: flex; width: max-content; }
.nai-toggle button { font: inherit; font-family: var(--p-font); font-size: 14px; font-weight: 700; color: var(--p-muted); background: transparent; border: 0; border-radius: 999px; padding: 9px 18px; cursor: pointer; display: inline-flex; align-items: center; gap: 8px; }
.nai-toggle button.is-active { background: linear-gradient(135deg, var(--p-green), var(--p-green-2)); color: #fff; box-shadow: 0 6px 16px rgba(16,185,129,.3); }
.nai-toggle button.is-active .nai-pill { background: rgba(255,255,255,.2); color: #fff; border-color: transparent; }
.nai-plans { display: grid; grid-template-columns: repeat(auto-fit, minmax(230px, 1fr)); gap: 16px; align-items: stretch; }
.nai-planbox { position: relative; display: flex; flex-direction: column; gap: 8px; padding: 24px 20px 20px; border-radius: 20px; background: var(--p-bg); border: 1px solid var(--p-line-2); cursor: pointer; transition: transform .15s, border-color .15s, box-shadow .15s; }
.nai-plans--public .nai-planbox { cursor: default; }
.nai-planbox:hover { transform: translateY(-3px); border-color: rgba(16,185,129,.5); }
.nai-planbox--featured { border-color: rgba(234,200,94,.5); background: linear-gradient(170deg, rgba(234,200,94,.12), var(--p-bg) 55%); box-shadow: 0 20px 50px rgba(0,0,0,.25); }
.nai-planbox.is-selected, .nai-planbox:has(input:checked) { border-color: var(--p-green); box-shadow: 0 0 0 3px rgba(16,185,129,.2); }
.nai-planbox input[type="radio"] { position: absolute; top: 18px; right: 18px; width: 20px; height: 20px; accent-color: var(--p-green); }
.nai-planbox__badge { position: absolute; top: -11px; left: 18px; background: linear-gradient(135deg, var(--p-gold), #d4a843); color: #06130d; font-size: 11px; font-weight: 800; padding: 4px 10px; border-radius: 999px; letter-spacing: .3px; }
html[data-theme="light"] .nai-planbox__badge { color: #fff; }
.nai-planbox__name { font-size: 20px; font-weight: 800; letter-spacing: -.3px; }
.nai-planbox__price strong { font-size: 32px; font-weight: 800; letter-spacing: -1px; }
.nai-planbox__price small { color: var(--p-muted); font-size: 14px; margin-left: 2px; }
.nai-planbox__tag { font-size: 13.5px; color: var(--p-muted); margin: 0 0 6px; line-height: 1.45; }
.nai-planbox .nai-checks { margin: 4px 0 12px; flex: 1; }
.nai-planbox__current { font-size: 12px; font-weight: 800; color: var(--p-green); }
.nai-upgrade__foot { grid-column: 1 / -1; text-align: center; display: flex; flex-direction: column; align-items: center; gap: 12px; margin-top: 10px; }
.nai-field--coupon { max-width: 320px; width: 100%; text-align: left; }

/* checkout */
.nai-checkout { max-width: 520px; margin: 0 auto; }

/* app CTA */
.nai-appcta { display: grid; grid-template-columns: 1.1fr .9fr; gap: 24px; align-items: center; padding: 28px; border-radius: 24px; background: linear-gradient(160deg, rgba(16,185,129,.14), rgba(234,200,94,.06)); border: 1px solid var(--p-line); }
.nai-appcta h3 { margin: 0 0 8px; font-size: clamp(22px, 3vw, 30px); font-weight: 800; letter-spacing: -.4px; color: var(--p-text); }
.nai-appcta p { color: var(--p-muted); margin: 0 0 12px; }
.nai-phone { width: 230px; height: 440px; margin: 0 auto; border-radius: 36px; background: #0b0f14; border: 8px solid #1b2430; box-shadow: 0 30px 60px rgba(0,0,0,.4); padding: 24px 14px; }
.nai-phone__screen { display: flex; flex-direction: column; gap: 10px; height: 100%; }
.nai-phone__screen .nai-logo-mark { margin: 0 auto 10px; }
.nai-phone__bubble { font-size: 12.5px; line-height: 1.4; background: rgba(255,255,255,.08); color: #F2F6F4; padding: 10px 12px; border-radius: 14px 14px 14px 4px; max-width: 90%; }
.nai-phone__bubble--user { background: linear-gradient(135deg, #10B981, #0d9488); align-self: flex-end; border-radius: 14px 14px 4px 14px; }

@media (max-width: 820px) {
  .nai-auth { grid-template-columns: 1fr; }
  .nai-auth__aside { order: 2; }
  .nai-account__grid { grid-template-columns: 1fr; }
  .nai-appcta { grid-template-columns: 1fr; text-align: center; }
  .nai-appcta .nai-badges { justify-content: center; }
  .nai-phone { width: 200px; height: 380px; }
}
@media (max-width: 520px) {
  .nai-card, .nai-auth__card { padding: 20px 16px; }
  .nai-dl { grid-template-columns: 1fr 1fr; }
  .nai-toggle button { padding: 8px 12px; font-size: 13px; }
}

/* contact */
.nai-contact__grid { display: grid; grid-template-columns: 1.2fr .8fr; gap: 18px; }
.nai-contact .nai-card p { color: var(--p-text); }
.nai-contact .nai-card p strong { color: var(--p-muted); font-size: 12px; text-transform: uppercase; letter-spacing: .5px; }
@media (max-width: 820px) { .nai-contact__grid { grid-template-columns: 1fr; } }