/* ─── RESET + BASE ─── */
*, *::before, *::after { margin: 0; padding: 0; box-sizing: border-box; }

:root {
  --bg: #F5F7FA;
  --bg-alt: #EBEEF3;
  --card: #1A1D2E;
  --card-hover: #1E2235;
  --card-border: #2A2D3E;
  --text-dark: #111827;
  --text-light: #E0E0E0;
  --text-muted: #9CA3AF;
  --text-muted-light: #6B7280;
  --orange: #F5A623;
  --orange-light: #FFF3E0;
  --indigo: #818CF8;
  --indigo-light: rgba(129,140,248,0.15);
  --success: #22C55E;
  --success-light: rgba(34,197,94,0.15);
  --danger: #EF4444;
  --danger-light: rgba(239,68,68,0.15);
  --warning: #F59E0B;
  --bronze: #CD7F32;
  --silver: #C0C0C0;
  --gold: #FFD700;
  --diamond: #B9F2FF;
  --radius: 12px;
  --radius-sm: 8px;
  --shadow: 0 2px 8px rgba(0,0,0,0.08);
  --shadow-lg: 0 4px 16px rgba(0,0,0,0.12);
  --transition: 0.2s ease;
}

html {
  font-size: 16px;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

body {
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
  background: var(--bg);
  color: var(--text-dark);
  min-height: 100vh;
  min-height: 100dvh;
}

/* ─── APP SHELL ─── */
#app {
  max-width: 480px;
  margin: 0 auto;
  min-height: 100vh;
  min-height: 100dvh;
  position: relative;
}

/* ─── HEADER ─── */
.header {
  display: flex;
  flex-direction: column;
  padding: 0.75rem 1.25rem 0.75rem 0.25rem;
  background: var(--card);
  color: var(--text-light);
  position: sticky;
  top: 0;
  z-index: 100;
  gap: 0.4rem;
}

.header-top {
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.header-logo {
  height: 55px;
  width: auto;
  object-fit: contain;
}

.header-bottom {
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.header-greeting {
  font-size: 0.75rem;
  color: var(--text-muted);
  font-weight: 400;
}

.btn-logout {
  display: inline-flex;
  align-items: center;
  gap: 0.3rem;
  background: transparent;
  border: none;
  color: var(--text-muted);
  cursor: pointer;
  padding: 0.35rem;
  font-family: inherit;
  font-size: 0.8rem;
  border-radius: 6px;
  transition: color var(--transition);
}
.btn-logout:hover { color: var(--orange); }

.header-tier-badge {
  display: inline-flex;
  align-items: center;
  gap: 0.25rem;
  font-size: 0.7rem;
  font-weight: 700;
  padding: 0.25rem 0.6rem 0.25rem 0.4rem;
  border-radius: 100px;
  text-transform: uppercase;
  letter-spacing: 0.03em;
  border: 1.5px solid currentColor;
  white-space: nowrap;
  flex-shrink: 0;
}

.header-tier-badge .tier-medal {
  font-size: 0.85rem;
  line-height: 1;
}

.badge-sep {
  opacity: 0.35;
  font-weight: 400;
}

.badge-credits {
  font-weight: 600;
  color: var(--text-light);
}

/* ─── BUTTONS ─── */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  padding: 0.75rem 1.5rem;
  border: none;
  border-radius: var(--radius);
  font-family: inherit;
  font-size: 0.95rem;
  font-weight: 600;
  cursor: pointer;
  transition: all var(--transition);
  text-decoration: none;
  -webkit-tap-highlight-color: transparent;
}

.btn-primary {
  background: var(--orange);
  color: #fff;
}
.btn-primary:hover { background: #E09520; }
.btn-primary:active { transform: scale(0.98); }
.btn-primary:disabled {
  background: var(--text-muted-light);
  cursor: not-allowed;
}

.btn-secondary {
  background: transparent;
  color: var(--text-muted);
  border: 1px solid var(--card-border);
}
.btn-secondary:hover { background: var(--bg-alt); }

.btn-ghost {
  background: transparent;
  color: var(--text-muted);
  border: none;
  padding: 0.5rem;
  font-size: 0.85rem;
  cursor: pointer;
  font-family: inherit;
}
.btn-ghost:hover { color: var(--orange); }

.btn-block { width: 100%; }

.btn-sm {
  padding: 0.5rem 1rem;
  font-size: 0.85rem;
}

/* ─── CARDS ─── */
.card {
  background: var(--card);
  border-radius: var(--radius);
  padding: 1.25rem;
  color: var(--text-light);
  box-shadow: var(--shadow);
}

.card-light {
  background: var(--bg-alt);
  color: var(--text-dark);
}

.card + .card { margin-top: 1rem; }

/* ─── FORMS ─── */
.form-group {
  margin-bottom: 1rem;
}

.form-label {
  display: block;
  font-size: 0.85rem;
  font-weight: 500;
  color: var(--text-muted);
  margin-bottom: 0.4rem;
}

.form-input {
  width: 100%;
  padding: 0.8rem 1rem;
  background: var(--card);
  color: var(--text-light);
  border: 1px solid var(--card-border);
  border-radius: var(--radius-sm);
  font-family: inherit;
  font-size: 0.95rem;
  transition: border-color var(--transition), box-shadow var(--transition);
  -webkit-appearance: none;
}

.form-input::placeholder { color: var(--text-muted-light); }
.form-input:focus {
  outline: none;
  border-color: var(--orange);
  box-shadow: 0 0 0 3px rgba(245,166,35,0.2);
}

.form-input-light {
  background: #fff;
  color: var(--text-dark);
  border-color: #D1D5DB;
}
.form-input-light:focus {
  border-color: var(--orange);
}

.form-error {
  font-size: 0.8rem;
  color: var(--danger);
  margin-top: 0.3rem;
}

/* ─── PAGE CONTENT ─── */
.page {
  padding: 1.25rem;
  display: none;
}
.page.active { display: block; }

.page-title {
  font-size: 1.1rem;
  font-weight: 700;
  color: var(--text-dark);
  margin-bottom: 1rem;
}

.section-title {
  font-size: 0.8rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--text-muted);
  margin-bottom: 0.75rem;
}

/* ─── LOGIN PAGE ─── */
.login-page {
  display: none;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  min-height: 100vh;
  min-height: 100dvh;
  padding: 2rem 1.5rem;
  background: var(--bg);
}
.login-page.active {
  display: flex;
}

.login-logo {
  width: 200px;
  max-width: 60%;
  height: auto;
  margin-bottom: 0.75rem;
}

.login-subtitle {
  font-size: 1rem;
  color: var(--text-muted);
  margin-bottom: 2rem;
  text-align: center;
}

.login-form {
  width: 100%;
  max-width: 360px;
}

.login-footer {
  margin-top: 1.5rem;
  font-size: 0.8rem;
  color: var(--text-muted-light);
  text-align: center;
}

/* ─── BALANCE HERO (fintech style) ─── */
.balance-hero {
  text-align: center;
  padding: 1.5rem 1rem 1.25rem;
  margin: -1.25rem -1.25rem 1.25rem;
  background: linear-gradient(135deg, #1A1D2E 0%, #2A1A10 50%, #1A1D2E 100%);
  border-radius: 0 0 var(--radius) var(--radius);
  position: relative;
  overflow: hidden;
}

/* Decorative coins (absolute positioned) */
.hero-coin {
  position: absolute;
  pointer-events: none;
  line-height: 1;
}
.hero-coin-1 {
  font-size: 2rem;
  top: 12px;
  left: 8%;
  opacity: 0.45;
}
.hero-coin-2 {
  font-size: 1.5rem;
  bottom: 14px;
  right: 10%;
  opacity: 0.35;
}
.hero-coin-3 {
  font-size: 1.2rem;
  top: 50%;
  right: 5%;
  opacity: 0.25;
  transform: translateY(-50%);
}

/* (greeting moved to header) */

.balance-badge {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  background: var(--success);
  border: 2px solid var(--gold);
  border-radius: 30px;
  padding: 0.6rem 2rem;
  position: relative;
  box-shadow: 0 4px 20px rgba(34,197,94,0.3);
}

.balance-number {
  font-size: 3rem;
  font-weight: 700;
  color: #fff;
  line-height: 1;
  letter-spacing: -0.02em;
}

.balance-label {
  font-size: 0.8rem;
  color: rgba(245,166,35,0.7);
  text-transform: uppercase;
  letter-spacing: 0.1em;
  margin-top: 1rem;
  position: relative;
}

.balance-tier-badge {
  display: inline-flex;
  align-items: center;
  gap: 0.3rem;
  font-size: 0.8rem;
  font-weight: 700;
  padding: 0.4rem 1rem 0.4rem 0.6rem;
  border-radius: 100px;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  position: relative;
  border: 1.5px solid currentColor;
}

.tier-medal {
  font-size: 1rem;
  line-height: 1;
}

/* ─── GREETING (legacy) ─── */
.greeting {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 1rem;
}

.greeting-name {
  font-size: 1.15rem;
  font-weight: 600;
}

.greeting-badge {
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  font-size: 0.8rem;
  font-weight: 700;
  padding: 0.3rem 0.75rem;
  border-radius: 100px;
  text-transform: uppercase;
  letter-spacing: 0.04em;
}

/* ─── TIER BADGES ─── */
.tier-bronce {
  background: rgba(205,127,50,0.15);
  color: var(--bronze);
}
.tier-plata {
  background: rgba(192,192,192,0.15);
  color: var(--silver);
}
.tier-oro {
  background: rgba(255,215,0,0.15);
  color: var(--gold);
}
.tier-diamante {
  background: rgba(185,242,255,0.2);
  color: var(--diamond);
}

/* ─── TIER PROGRESS CARD ─── */
.tier-card {
  position: relative;
  overflow: hidden;
}

.tier-card-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 0.75rem;
}

.tier-card-level {
  font-size: 0.9rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.04em;
}

.tier-card-pct {
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--orange);
}

.progress-bar {
  width: 100%;
  height: 6px;
  background: var(--card-border);
  border-radius: 3px;
  overflow: hidden;
  margin-bottom: 0.75rem;
}

.progress-fill {
  height: 100%;
  background: linear-gradient(90deg, var(--orange), var(--gold));
  border-radius: 3px;
  transition: width 0.6s ease;
}

.tier-card-stats {
  font-size: 0.85rem;
  color: var(--text-muted);
  line-height: 1.5;
}

.tier-card-stats strong {
  color: var(--text-light);
}

/* ─── PACKAGES GRID ─── */
.packages-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 0.75rem;
}

.package-card {
  background: var(--card);
  border: 2px solid var(--card-border);
  border-radius: var(--radius);
  padding: 1.25rem 0.5rem;
  text-align: center;
  cursor: pointer;
  transition: all var(--transition);
  -webkit-tap-highlight-color: transparent;
}
.package-card:hover, .package-card:active {
  border-color: var(--orange);
  transform: translateY(-2px);
  box-shadow: var(--shadow-lg);
}

.pkg-coin {
  font-size: 1.4rem;
  line-height: 1;
  margin-bottom: 0.3rem;
  display: block;
}

.package-amount {
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--text-light);
  line-height: 1;
  margin-bottom: 0.25rem;
}

.package-label {
  font-size: 0.7rem;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--text-muted);
}

.package-popular {
  border-color: var(--orange);
  position: relative;
}
.package-popular::before {
  content: "Popular";
  position: absolute;
  top: -10px;
  left: 50%;
  transform: translateX(-50%);
  background: var(--orange);
  color: #fff;
  font-size: 0.65rem;
  font-weight: 700;
  text-transform: uppercase;
  padding: 2px 8px;
  border-radius: 4px;
}

@media (max-width: 360px) {
  .packages-grid { grid-template-columns: repeat(2, 1fr); }
}

/* ─── EVENT CARD ─── */
.event-card {
  background: linear-gradient(135deg, #1A1D2E 0%, #2A1D3E 100%);
  border: 1px solid rgba(129,140,248,0.3);
  position: relative;
  overflow: hidden;
}

.event-card::after {
  content: "";
  position: absolute;
  top: -50%;
  right: -50%;
  width: 100%;
  height: 100%;
  background: radial-gradient(circle, rgba(245,166,35,0.08) 0%, transparent 70%);
  pointer-events: none;
}

.event-name {
  font-size: 1rem;
  font-weight: 700;
  color: var(--orange);
  margin-bottom: 0.25rem;
}

.event-desc {
  font-size: 0.85rem;
  color: var(--text-muted);
  margin-bottom: 0.75rem;
}

.event-slots {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 0.85rem;
}

.event-slots-bar {
  flex: 1;
  height: 4px;
  background: var(--card-border);
  border-radius: 2px;
  overflow: hidden;
}

.event-slots-fill {
  height: 100%;
  background: var(--danger);
  border-radius: 2px;
}

.event-slots-text {
  font-weight: 600;
  color: var(--danger);
  white-space: nowrap;
}

/* ─── CASHBACK CARD ─── */
.cashback-card {
  display: flex;
  align-items: center;
  gap: 1rem;
  background: var(--card);
  border: 1px solid rgba(34,197,94,0.2);
}

.cashback-amount {
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--success);
  line-height: 1;
}

.cashback-label {
  font-size: 0.75rem;
  color: var(--text-muted);
  text-transform: uppercase;
}

.cashback-info {
  font-size: 0.85rem;
  color: var(--text-muted);
}

/* ─── PACKAGE DETAIL PAGE ─── */
.detail-hero {
  text-align: center;
  padding: 2rem 1rem;
  margin: -1.25rem -1.25rem 1.25rem;
  background: var(--card);
  border-radius: 0 0 var(--radius) var(--radius);
}

.detail-amount {
  font-size: 3rem;
  font-weight: 700;
  color: var(--text-light);
  line-height: 1;
}

.detail-label {
  font-size: 1rem;
  color: var(--text-muted);
  margin-bottom: 0.5rem;
}

.detail-price {
  font-size: 1.25rem;
  font-weight: 600;
  color: var(--orange);
}

.detail-breakdown {
  list-style: none;
}

.detail-breakdown li {
  display: flex;
  justify-content: space-between;
  padding: 0.6rem 0;
  font-size: 0.9rem;
  border-bottom: 1px solid var(--card-border);
}
.detail-breakdown li:last-child { border: none; }

.detail-breakdown .label { color: var(--text-muted); }
.detail-breakdown .value { font-weight: 600; color: var(--text-light); }
.detail-breakdown .value.highlight { color: var(--success); }

/* ─── OTP SECTION ─── */
.otp-section {
  margin-top: 1.5rem;
}

.otp-box {
  background: rgba(245,166,35,0.08);
  border: 1px dashed var(--orange);
  border-radius: var(--radius-sm);
  padding: 1rem;
  text-align: center;
}

.otp-hint {
  font-size: 0.8rem;
  color: var(--text-muted);
  margin-bottom: 0.75rem;
}

.otp-input {
  width: 100%;
  padding: 0.8rem;
  background: var(--card);
  color: var(--text-light);
  border: 1px solid var(--card-border);
  border-radius: var(--radius-sm);
  font-family: 'Courier New', monospace;
  font-size: 1.25rem;
  font-weight: 700;
  text-align: center;
  letter-spacing: 0.15em;
  text-transform: uppercase;
}
.otp-input:focus {
  outline: none;
  border-color: var(--orange);
  box-shadow: 0 0 0 3px rgba(245,166,35,0.2);
}

.otp-timer {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0.35rem;
  margin-top: 0.5rem;
  font-size: 0.8rem;
  color: var(--text-muted);
}

.otp-timer.expiring { color: var(--danger); }

.otp-timer-icon {
  width: 14px;
  height: 14px;
}

/* ─── PARTNERS PAGE ─── */
.partners-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0.75rem;
}

.partner-tier {
  border-radius: var(--radius);
  padding: 1rem;
  background: var(--card);
  border: 2px solid var(--card-border);
  transition: all var(--transition);
}

.partner-tier.current {
  border-color: var(--orange);
  box-shadow: 0 0 0 1px var(--orange);
}

.partner-tier-name {
  font-size: 0.9rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  margin-bottom: 0.25rem;
}

.partner-tier-range {
  font-size: 0.75rem;
  color: var(--text-muted);
  margin-bottom: 0.75rem;
}

.partner-tier-benefits {
  list-style: none;
  font-size: 0.8rem;
  color: var(--text-muted);
}

.partner-tier-benefits li {
  padding: 0.2rem 0;
  padding-left: 1rem;
  position: relative;
}

.partner-tier-benefits li::before {
  content: "+";
  position: absolute;
  left: 0;
  color: var(--success);
  font-weight: 700;
}

.partner-tier.tier-bronce-card .partner-tier-name { color: var(--bronze); }
.partner-tier.tier-plata-card .partner-tier-name { color: var(--silver); }
.partner-tier.tier-oro-card .partner-tier-name { color: var(--gold); }
.partner-tier.tier-diamante-card .partner-tier-name { color: var(--diamond); }

.partners-footer {
  margin-top: 1.25rem;
  padding: 1rem;
  background: var(--bg-alt);
  border-radius: var(--radius-sm);
  font-size: 0.85rem;
  color: var(--text-muted);
  line-height: 1.5;
  text-align: center;
}

/* ─── HISTORY FILTERS ─── */
.history-filters {
  margin-bottom: 0.75rem;
}
.filter-row {
  display: flex;
  align-items: center;
  gap: 0.5rem;
}
.date-input {
  flex: 1;
  padding: 0.5rem;
  border: 1px solid #D1D5DB;
  border-radius: var(--radius-sm);
  background: #fff;
  color: var(--text-dark);
  font-size: 0.85rem;
  font-family: inherit;
}
.filter-sep {
  color: var(--text-muted);
  font-size: 0.9rem;
}
.btn-filter {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 36px;
  height: 36px;
  padding: 0;
  background: var(--orange);
  color: #fff;
  border: none;
  border-radius: var(--radius-sm);
  cursor: pointer;
  flex-shrink: 0;
}
.btn-filter:active { opacity: 0.8; }

/* ─── MONTHLY SUMMARY ─── */
.monthly-table {
  width: 100%;
  border-collapse: collapse;
  margin-bottom: 0.5rem;
}
.monthly-table th {
  font-size: 0.7rem;
  color: var(--text-muted);
  text-transform: uppercase;
  text-align: left;
  padding: 0.4rem 0.3rem;
  border-bottom: 1px solid var(--card-border);
}
.monthly-table td {
  padding: 0.5rem 0.3rem;
  font-size: 0.85rem;
  border-bottom: 1px solid var(--card-border);
}
.monthly-table tr:last-child td { border: none; }
.monthly-purchased { color: var(--success); font-weight: 600; }
.monthly-spent { color: var(--text-muted); }
.monthly-tier {
  font-size: 0.75rem;
  font-weight: 600;
  padding: 0.15rem 0.4rem;
  border-radius: 3px;
  display: inline-block;
}
.monthly-tier.tier-bronce { background: rgba(205,127,50,0.2); color: #cd7f32; }
.monthly-tier.tier-plata { background: rgba(192,192,192,0.2); color: #c0c0c0; }
.monthly-tier.tier-oro { background: rgba(255,215,0,0.2); color: #ffd700; }
.monthly-tier.tier-diamante { background: rgba(185,242,255,0.2); color: #b9f2ff; }

/* ─── HISTORY LIST ─── */
.history-item {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0.75rem 0;
  border-bottom: 1px solid var(--card-border);
}
.history-item:last-child { border: none; }

.history-date {
  font-size: 0.85rem;
  color: var(--text-muted);
}

.history-amount {
  font-size: 0.95rem;
  font-weight: 600;
  color: var(--text-light);
}
.history-amount.positive { color: var(--success); }
.history-amount.negative { color: var(--text-muted); }

.history-type {
  font-size: 0.7rem;
  color: var(--text-muted);
}

.history-status {
  font-size: 0.8rem;
  font-weight: 600;
  padding: 0.2rem 0.5rem;
  border-radius: 4px;
}

.history-status.credited {
  background: var(--success-light);
  color: var(--success);
}

.history-status.pending {
  background: rgba(245,166,35,0.15);
  color: var(--orange);
}

.history-status.cashback {
  background: rgba(185,242,255,0.15);
  color: #b9f2ff;
}

.history-empty {
  text-align: center;
  color: var(--text-muted);
  padding: 2rem 0;
  font-size: 0.9rem;
}

.btn-load-more {
  display: block;
  width: 100%;
  padding: 0.75rem;
  margin-top: 0.5rem;
  background: var(--card);
  color: var(--orange);
  border: 1px solid var(--card-border);
  border-radius: var(--radius-sm);
  font-weight: 600;
  font-size: 0.85rem;
  cursor: pointer;
  text-align: center;
  font-family: inherit;
}
.btn-load-more:active { opacity: 0.7; }

.history-summary {
  margin-top: 1rem;
  padding: 0.75rem;
  background: var(--bg-alt);
  border-radius: var(--radius-sm);
  font-size: 0.85rem;
  color: var(--text-muted);
  text-align: center;
}

.history-summary strong {
  color: var(--text-dark);
}

/* ─── BACK BUTTON ─── */
.back-btn {
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  background: none;
  border: none;
  font-family: inherit;
  font-size: 1rem;
  font-weight: 600;
  color: var(--text-dark);
  cursor: pointer;
  padding: 0.35rem 0;
  margin-bottom: 1.5rem;
  -webkit-tap-highlight-color: transparent;
}
.back-btn:hover { color: var(--orange); }

/* ─── ALERTS ─── */
.alert {
  padding: 0.75rem 1rem;
  border-radius: var(--radius-sm);
  font-size: 0.85rem;
  margin-bottom: 1rem;
}

.alert-error {
  background: var(--danger-light);
  color: var(--danger);
}

.alert-success {
  background: var(--success-light);
  color: var(--success);
}

/* ─── LOADING ─── */
.spinner {
  width: 24px;
  height: 24px;
  border: 3px solid var(--card-border);
  border-top-color: var(--orange);
  border-radius: 50%;
  animation: spin 0.6s linear infinite;
}

@keyframes spin { to { transform: rotate(360deg); } }

.loading-overlay {
  position: fixed;
  inset: 0;
  background: rgba(0,0,0,0.4);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 999;
}

/* ─── UTILITIES ─── */
.text-center { text-align: center; }
.text-muted { color: var(--text-muted); }
.text-sm { font-size: 0.85rem; }
.text-xs { font-size: 0.75rem; }
.text-orange { color: var(--orange); }
.text-success { color: var(--success); }
.fw-600 { font-weight: 600; }
.fw-700 { font-weight: 700; }
.mt-1 { margin-top: 0.5rem; }
.mt-2 { margin-top: 1rem; }
.mt-3 { margin-top: 1.5rem; }
.mb-1 { margin-bottom: 0.5rem; }
.mb-2 { margin-bottom: 1rem; }
.gap-1 { gap: 0.5rem; }
.hidden { display: none !important; }