/* ─────────────────────────────────────────────────────────────
   LATFALEC 2026 Forms — Stylesheet
   Developed by Xrupt X
   ───────────────────────────────────────────────────────────── */

:root {
  --ltf-navy:      #0d1b3e;
  --ltf-gold:      #c9973a;
  --ltf-gold-lt:   #e8b84b;
  --ltf-text:      #1a1a2e;
  --ltf-text-muted:#6b7280;
  --ltf-border:    #d1d5db;
  --ltf-border-focus: #c9973a;
  --ltf-bg:        #f8f7f4;
  --ltf-bg-section:#ffffff;
  --ltf-red:       #dc2626;
  --ltf-green:     #15803d;
  --ltf-radius:    8px;
  --ltf-radius-lg: 12px;
  --ltf-shadow:    0 1px 3px rgba(0,0,0,.10), 0 1px 2px rgba(0,0,0,.06);
  --ltf-shadow-md: 0 4px 16px rgba(0,0,0,.10);
  --ltf-transition: 0.18s ease;
}

.ltf-wrap {
  max-width: 860px;
  margin: 0 auto;
  font-family: 'Segoe UI', system-ui, -apple-system, sans-serif;
  color: var(--ltf-text);
  background: var(--ltf-bg);
  border-radius: var(--ltf-radius-lg);
  overflow: hidden;
  box-shadow: var(--ltf-shadow-md);
}

/* ── Tabs ─────────────────────────────────────────────────── */
.ltf-tabs {
  display: flex;
  background: var(--ltf-navy);
  border-bottom: 3px solid var(--ltf-gold);
}
.ltf-tab {
  flex: 1;
  padding: 18px 20px;
  background: transparent;
  border: none;
  color: rgba(255,255,255,.55);
  font-size: 14px;
  font-weight: 600;
  letter-spacing: .03em;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  transition: color var(--ltf-transition), background var(--ltf-transition);
  text-transform: uppercase;
}
.ltf-tab:hover { color: #fff; }
.ltf-tab--active {
  color: var(--ltf-gold-lt);
  background: rgba(255,255,255,.06);
  border-bottom: 3px solid var(--ltf-gold-lt);
  margin-bottom: -3px;
}
.ltf-tab__icon { font-size: 18px; }

/* ── Panels ───────────────────────────────────────────────── */
.ltf-panel { display: none; }
.ltf-panel--active { display: block; }

/* ── Form Header ─────────────────────────────────────────── */
.ltf-form-header {
  background: var(--ltf-navy);
  padding: 36px 40px 28px;
  position: relative;
  overflow: hidden;
}
.ltf-form-header::before {
  content: '';
  position: absolute;
  right: -40px; top: -40px;
  width: 200px; height: 200px;
  border-radius: 50%;
  background: rgba(201,151,58,.08);
}
.ltf-form-header__badge {
  display: inline-block;
  background: var(--ltf-gold);
  color: #fff;
  font-size: 11px;
  font-weight: 700;
  letter-spacing: .12em;
  text-transform: uppercase;
  padding: 4px 12px;
  border-radius: 4px;
  margin-bottom: 12px;
}
.ltf-form-header__title {
  color: #fff;
  font-size: 28px;
  font-weight: 700;
  margin: 0 0 6px;
  letter-spacing: -.01em;
}
.ltf-form-header__sub {
  color: rgba(255,255,255,.55);
  font-size: 13px;
  margin: 0;
}

/* ── Form Body ────────────────────────────────────────────── */
.ltf-form { padding: 0; }

/* ── Section ──────────────────────────────────────────────── */
.ltf-section {
  padding: 28px 40px;
  background: var(--ltf-bg-section);
  border-bottom: 1px solid #ececec;
}
.ltf-section__label {
  font-size: 10px;
  font-weight: 700;
  letter-spacing: .14em;
  text-transform: uppercase;
  color: var(--ltf-gold);
  margin-bottom: 18px;
}
.ltf-section__intro {
  font-size: 14px;
  color: var(--ltf-text-muted);
  margin: 0 0 16px;
}

/* ── Rows & Fields ────────────────────────────────────────── */
.ltf-row { display: flex; gap: 16px; margin-bottom: 16px; }
.ltf-row--2 > .ltf-field { flex: 1; min-width: 0; }
.ltf-row--3 > .ltf-field { flex: 1; min-width: 0; }

.ltf-field { display: flex; flex-direction: column; margin-bottom: 16px; }
.ltf-row > .ltf-field { margin-bottom: 0; }

.ltf-label {
  font-size: 12px;
  font-weight: 600;
  color: var(--ltf-text);
  margin-bottom: 6px;
  letter-spacing: .01em;
}
.ltf-optional { color: var(--ltf-text-muted); font-weight: 400; }
.ltf-field--required .ltf-label::after {
  content: ' *';
  color: var(--ltf-red);
}

.ltf-input {
  padding: 10px 14px;
  border: 1.5px solid var(--ltf-border);
  border-radius: var(--ltf-radius);
  font-size: 14px;
  color: var(--ltf-text);
  background: #fff;
  transition: border-color var(--ltf-transition), box-shadow var(--ltf-transition);
  width: 100%;
  box-sizing: border-box;
  outline: none;
}
.ltf-input:focus {
  border-color: var(--ltf-border-focus);
  box-shadow: 0 0 0 3px rgba(201,151,58,.15);
}
.ltf-input--number { -moz-appearance: textfield; }
.ltf-input--number::-webkit-outer-spin-button,
.ltf-input--number::-webkit-inner-spin-button { -webkit-appearance: none; }
.ltf-textarea { resize: vertical; min-height: 80px; }
.ltf-input--readonly {
  background: #f3f4f6;
  color: var(--ltf-text-muted);
  cursor: default;
  pointer-events: none;
  display: flex;
  align-items: center;
}
.ltf-input--highlight {
  background: #fefce8;
  color: var(--ltf-text);
  font-weight: 700;
  border-color: var(--ltf-gold);
}
.ltf-input.ltf-error { border-color: var(--ltf-red); }

/* ── Notice ───────────────────────────────────────────────── */
.ltf-notice {
  background: #fef3c7;
  border: 1px solid #fbbf24;
  border-left: 4px solid var(--ltf-gold);
  border-radius: var(--ltf-radius);
  padding: 12px 16px;
  font-size: 13px;
  color: #92400e;
  margin-bottom: 20px;
}
.ltf-notice--conference { color: #1e3a5f; background: #eff6ff; border-color: #3b82f6; border-left-color: #1d4ed8; }

/* ── Space Cards ──────────────────────────────────────────── */
.ltf-space-cards {
  display: flex;
  gap: 16px;
  margin-bottom: 20px;
}
.ltf-space-card {
  flex: 1;
  cursor: pointer;
}
.ltf-space-card input[type="radio"] { display: none; }
.ltf-space-card__inner {
  border: 2px solid var(--ltf-border);
  border-radius: var(--ltf-radius-lg);
  padding: 20px;
  transition: border-color var(--ltf-transition), box-shadow var(--ltf-transition), background var(--ltf-transition);
  background: #fff;
}
.ltf-space-card:hover .ltf-space-card__inner {
  border-color: var(--ltf-gold);
}
.ltf-space-card input:checked + .ltf-space-card__inner {
  border-color: var(--ltf-gold);
  background: #fffbeb;
  box-shadow: 0 0 0 3px rgba(201,151,58,.12);
}
.ltf-space-card__header {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 10px;
}
.ltf-space-card__letter {
  width: 30px; height: 30px;
  background: var(--ltf-navy);
  color: var(--ltf-gold-lt);
  border-radius: 50%;
  display: flex; align-items: center; justify-content: center;
  font-weight: 700; font-size: 13px;
  flex-shrink: 0;
}
.ltf-space-card__title { font-weight: 700; font-size: 14px; }
.ltf-space-card__rate { font-size: 20px; font-weight: 800; color: var(--ltf-gold); margin-bottom: 12px; }
.ltf-space-card__rate span { font-size: 12px; font-weight: 500; color: var(--ltf-text-muted); }
.ltf-space-card__includes { list-style: none; padding: 0; margin: 0; }
.ltf-space-card__includes li {
  font-size: 12px;
  color: var(--ltf-text-muted);
  padding: 3px 0;
  display: flex; align-items: center; gap: 6px;
}
.ltf-space-card__includes li::before { content: '✓'; color: var(--ltf-green); font-weight: 700; }

/* ── Advert Grid ──────────────────────────────────────────── */
.ltf-advert-grid { display: flex; gap: 12px; flex-wrap: wrap; }
.ltf-advert-option { cursor: pointer; }
.ltf-advert-option input[type="checkbox"] { display: none; }
.ltf-advert-option__inner {
  border: 2px solid var(--ltf-border);
  border-radius: var(--ltf-radius);
  padding: 14px 20px;
  text-align: center;
  min-width: 140px;
  transition: all var(--ltf-transition);
}
.ltf-advert-option input:checked + .ltf-advert-option__inner {
  border-color: var(--ltf-gold);
  background: #fffbeb;
}
.ltf-advert-option__format { font-weight: 700; font-size: 14px; }
.ltf-advert-option__spec { font-size: 11px; color: var(--ltf-text-muted); margin-top: 2px; }

/* ── Bank Details ─────────────────────────────────────────── */
.ltf-bank-details {
  background: #f0f4ff;
  border-top: 3px solid var(--ltf-navy);
  padding: 24px 40px;
}
.ltf-bank-details__label {
  font-size: 10px;
  font-weight: 700;
  letter-spacing: .14em;
  text-transform: uppercase;
  color: var(--ltf-navy);
  margin-bottom: 8px;
}
.ltf-bank-details p { font-size: 13px; color: var(--ltf-text-muted); margin: 0 0 14px; }
.ltf-bank-details__box {
  display: inline-flex;
  flex-direction: column;
  gap: 4px;
  background: var(--ltf-navy);
  color: #fff;
  padding: 16px 24px;
  border-radius: var(--ltf-radius);
}
.ltf-bank-details__name { font-weight: 700; font-size: 15px; }
.ltf-bank-details__bank { font-size: 12px; color: var(--ltf-gold-lt); }
.ltf-bank-details__acct { font-size: 14px; letter-spacing: .03em; }

/* ── Acceptance text ──────────────────────────────────────── */
.ltf-acceptance-text {
  background: #f9fafb;
  border: 1px solid var(--ltf-border);
  border-radius: var(--ltf-radius);
  padding: 16px 20px;
  font-size: 13px;
  line-height: 1.7;
  color: var(--ltf-text);
  margin-bottom: 20px;
}

/* ── Discount ─────────────────────────────────────────────── */
.ltf-discount-notice {
  background: #f0fdf4;
  border: 1px solid #bbf7d0;
  border-left: 4px solid var(--ltf-green);
  border-radius: var(--ltf-radius);
  padding: 12px 16px;
  font-size: 13px;
  color: #14532d;
  margin-bottom: 20px;
}
.ltf-total-row {
  display: flex;
  align-items: center;
  gap: 16px;
  padding: 16px 20px;
  background: var(--ltf-navy);
  border-radius: var(--ltf-radius);
  margin-bottom: 10px;
}
.ltf-total-row__label { color: rgba(255,255,255,.7); font-size: 14px; flex: 1; font-weight: 600; }
.ltf-total-row__amount { color: var(--ltf-gold-lt); font-size: 22px; font-weight: 800; }
.ltf-discount-row {
  display: flex;
  align-items: center;
  gap: 16px;
  padding: 10px 20px;
  background: #f0fdf4;
  border-radius: var(--ltf-radius);
  border: 1px solid #bbf7d0;
  margin-bottom: 10px;
}
.ltf-discount-badge {
  flex: 1;
  font-size: 12px;
  color: var(--ltf-green);
  font-weight: 700;
}
.ltf-total-row__amount--discounted { font-size: 20px; color: var(--ltf-green); }

/* ── Submit Row ───────────────────────────────────────────── */
.ltf-submit-row { padding: 28px 40px; background: #f9fafb; border-top: 1px solid #ececec; }

.ltf-btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 8px;
  padding: 14px 32px;
  border: none;
  border-radius: var(--ltf-radius);
  font-size: 15px;
  font-weight: 700;
  cursor: pointer;
  transition: all var(--ltf-transition);
  letter-spacing: .02em;
  width: 100%;
}
.ltf-btn--primary { background: var(--ltf-navy); color: #fff; }
.ltf-btn--primary:hover { background: #162450; box-shadow: 0 4px 16px rgba(13,27,62,.3); }
.ltf-btn--exhibition { background: var(--ltf-gold); }
.ltf-btn--exhibition:hover { background: #b8862e; }
.ltf-btn--conference { background: var(--ltf-navy); }
.ltf-btn:disabled { opacity: .6; cursor: not-allowed; }

.ltf-btn__loader {
  width: 18px; height: 18px;
  border: 2px solid rgba(255,255,255,.3);
  border-top-color: #fff;
  border-radius: 50%;
  animation: ltf-spin .7s linear infinite;
}
@keyframes ltf-spin { to { transform: rotate(360deg); } }

/* ── Feedback ─────────────────────────────────────────────── */
.ltf-feedback {
  margin: 0 40px 28px;
  padding: 14px 18px;
  border-radius: var(--ltf-radius);
  font-size: 14px;
  font-weight: 500;
}
.ltf-feedback--success {
  background: #f0fdf4;
  border: 1px solid #bbf7d0;
  color: var(--ltf-green);
}
.ltf-feedback--error {
  background: #fef2f2;
  border: 1px solid #fecaca;
  color: var(--ltf-red);
}

/* ── Responsive ───────────────────────────────────────────── */
@media (max-width: 640px) {
  .ltf-section,
  .ltf-bank-details,
  .ltf-submit-row,
  .ltf-feedback { padding-left: 20px; padding-right: 20px; }
  .ltf-form-header { padding: 24px 20px; }
  .ltf-row--2,
  .ltf-row--3 { flex-direction: column; }
  .ltf-space-cards { flex-direction: column; }
  .ltf-total-row { flex-direction: column; align-items: flex-start; gap: 8px; }
  .ltf-total-row__amount { font-size: 20px; }
}