/* ==========================================================================
   ALPHA READER - ULTRA-HIGH PERFORMANCE MOBILE H5 PWA STYLES
   Zero Build Dependencies | Pure CSS3 & Modern Design Tokens
   ========================================================================== */

:root {
  /* Dynamic Reader Config */
  --reader-font-size: 18px;
  --reader-line-height: 1.88;
  --reader-font-family: -apple-system, BlinkMacSystemFont, "Charter", "Georgia", "PingFang SC", "Hiragino Sans GB", "Segoe UI", Roboto, serif;

  /* Global Brand Accents */
  --color-primary: #ff3366;
  --color-primary-glow: rgba(255, 51, 102, 0.45);
  --color-gold: #f59e0b;
  --color-gold-glow: rgba(245, 158, 11, 0.4);
  --color-emerald: #10b981;
  --color-cyan: #06b6d4;

  /* Safe Area Variables */
  --sat: env(safe-area-inset-top, 0px);
  --sab: env(safe-area-inset-bottom, 0px);
  --sal: env(safe-area-inset-left, 0px);
  --sar: env(safe-area-inset-right, 0px);
}

/* ==========================================================================
   THEMES: Pure Dark (Default), Parchment Sepia, Minimal Light
   ========================================================================== */

/* 1. Pure Dark (OLED Friendly Night Mode) */
html[data-theme="dark"],
html:not([data-theme]) {
  --bg-app: #0c0e14;
  --bg-surface: #141824;
  --bg-surface-elevated: #1e2436;
  --bg-overlay: rgba(12, 14, 20, 0.88);
  --text-main: #e2e8f0;
  --text-sub: #94a3b8;
  --text-muted: #64748b;
  --border-subtle: rgba(255, 255, 255, 0.08);
  --border-active: rgba(255, 255, 255, 0.18);
  --shadow-float: 0 16px 40px rgba(0, 0, 0, 0.6);
  --lock-gradient: linear-gradient(180deg, rgba(12, 14, 20, 0) 0%, rgba(12, 14, 20, 0.95) 45%, #0c0e14 100%);
}

/* 2. Parchment Sepia (Eye-care Vintage Paper) */
html[data-theme="sepia"] {
  --bg-app: #f4ecd8;
  --bg-surface: #ece2c8;
  --bg-surface-elevated: #e2d6b7;
  --bg-overlay: rgba(244, 236, 216, 0.92);
  --text-main: #3d3023;
  --text-sub: #6e5a44;
  --text-muted: #8d775f;
  --border-subtle: rgba(61, 48, 35, 0.12);
  --border-active: rgba(61, 48, 35, 0.25);
  --shadow-float: 0 16px 36px rgba(61, 48, 35, 0.15);
  --lock-gradient: linear-gradient(180deg, rgba(244, 236, 216, 0) 0%, rgba(244, 236, 216, 0.96) 45%, #f4ecd8 100%);
}

/* 3. Minimal Light (Clean Modern White) */
html[data-theme="light"] {
  --bg-app: #ffffff;
  --bg-surface: #f8fafc;
  --bg-surface-elevated: #f1f5f9;
  --bg-overlay: rgba(255, 255, 255, 0.94);
  --text-main: #0f172a;
  --text-sub: #475569;
  --text-muted: #94a3b8;
  --border-subtle: rgba(15, 23, 42, 0.08);
  --border-active: rgba(15, 23, 42, 0.16);
  --shadow-float: 0 16px 36px rgba(15, 23, 42, 0.1);
  --lock-gradient: linear-gradient(180deg, rgba(255, 255, 255, 0) 0%, rgba(255, 255, 255, 0.97) 45%, #ffffff 100%);
}

/* ==========================================================================
   RESET & MOBILE VIEWPORT SYSTEM
   ========================================================================== */

*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
  -webkit-tap-highlight-color: transparent;
}

html, body {
  width: 100%;
  min-height: 100%;
  height: 100%;
  background-color: var(--bg-app);
  color: var(--text-main);
  font-family: var(--reader-font-family);
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  text-rendering: optimizeLegibility;
  transition: background-color 0.25s ease, color 0.25s ease;
}

button {
  border: none;
  background: none;
  font-family: inherit;
  cursor: pointer;
  outline: none;
}

/* App Viewport Container */
#app {
  display: flex;
  flex-direction: column;
  min-height: 100vh;
  position: relative;
  width: 100%;
  max-width: 680px;
  margin: 0 auto;
  background-color: var(--bg-app);
}

/* ==========================================================================
   TOP WALLET & CONTROLS HEADER BAR
   ========================================================================== */

.top-bar {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  max-width: 680px;
  margin: 0 auto;
  z-index: 100;
  padding-top: var(--sat);
  background: var(--bg-overlay);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border-bottom: 1px solid var(--border-subtle);
  transform: translateY(0);
  transition: transform 0.28s cubic-bezier(0.16, 1, 0.3, 1), opacity 0.25s ease;
}

.top-bar.hidden {
  transform: translateY(-105%);
  opacity: 0;
  pointer-events: none;
}

.top-bar-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 52px;
  padding: 0 14px;
}

/* Guest Tag & Copy */
.guest-badge {
  display: flex;
  align-items: center;
  gap: 6px;
  font-size: 11px;
  font-weight: 600;
  color: var(--text-sub);
  background: var(--bg-surface-elevated);
  padding: 4px 8px;
  border-radius: 20px;
  border: 1px solid var(--border-subtle);
  letter-spacing: 0.02em;
}

.guest-avatar {
  width: 16px;
  height: 16px;
  border-radius: 50%;
  background: linear-gradient(135deg, #6366f1, #a855f7);
  display: inline-block;
}

/* Double Wallet: Coins & Bonus */
.wallet-box {
  display: flex;
  align-items: center;
  gap: 8px;
}

.wallet-pill {
  display: flex;
  align-items: center;
  gap: 4px;
  font-size: 12px;
  font-weight: 700;
  padding: 4px 9px;
  border-radius: 14px;
  background: var(--bg-surface);
  border: 1px solid var(--border-subtle);
}

.wallet-pill.coins {
  color: var(--color-gold);
  border-color: rgba(245, 158, 11, 0.25);
}

.wallet-pill.bonus {
  color: var(--color-primary);
  border-color: rgba(255, 51, 102, 0.25);
}

.btn-recharge-quick {
  display: flex;
  align-items: center;
  gap: 3px;
  font-size: 11px;
  font-weight: 800;
  padding: 4px 9px;
  border-radius: 12px;
  color: #ffffff;
  background: linear-gradient(135deg, #ff3366, #f59e0b);
  box-shadow: 0 2px 10px var(--color-primary-glow);
  animation: pulse-mini 2.5s infinite;
}

.btn-icon-top {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 34px;
  height: 34px;
  border-radius: 10px;
  color: var(--text-main);
  background: var(--bg-surface);
  border: 1px solid var(--border-subtle);
  font-size: 17px;
}

/* ==========================================================================
   READER MAIN CONTENT STREAM
   ========================================================================== */

.reader-container {
  flex: 1;
  width: 100%;
  padding: calc(64px + var(--sat)) 18px calc(80px + var(--sab)) 18px;
  min-height: 100vh;
  position: relative;
}

/* Middle Tap Area to toggle HUD controls */
.tap-zone {
  position: fixed;
  top: 25%;
  left: 20%;
  right: 20%;
  bottom: 25%;
  z-index: 10;
}

/* Chapter Meta Header */
.chapter-meta {
  margin-bottom: 24px;
  padding-bottom: 16px;
  border-bottom: 1px dashed var(--border-subtle);
}

.book-tag {
  display: inline-block;
  font-size: 11px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--color-primary);
  margin-bottom: 6px;
}

.chapter-title {
  font-size: calc(var(--reader-font-size) * 1.35);
  font-weight: 800;
  line-height: 1.3;
  color: var(--text-main);
  margin-bottom: 10px;
}

.chapter-stats {
  display: flex;
  align-items: center;
  gap: 12px;
  font-size: 12px;
  color: var(--text-muted);
}

/* Story Text Stream */
.story-body {
  font-size: var(--reader-font-size);
  line-height: var(--reader-line-height);
  color: var(--text-main);
  letter-spacing: 0.015em;
  word-wrap: break-word;
}

.story-body p {
  margin-bottom: 1.35em;
  text-align: justify;
  text-justify: inter-word;
}

.story-body p.dialogue {
  font-style: italic;
  padding-left: 8px;
  border-left: 2px solid var(--color-primary);
}

/* Cliffhanger Hard Cut Highlight */
.cliffhanger-box {
  background: var(--bg-surface-elevated);
  border: 1px solid rgba(245, 158, 11, 0.4);
  border-radius: 12px;
  padding: 16px;
  margin: 20px 0;
  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.15);
}

.cliffhanger-badge {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  font-size: 11px;
  font-weight: 800;
  color: #ffffff;
  background: #e11d48;
  padding: 3px 8px;
  border-radius: 6px;
  margin-bottom: 8px;
}

/* ==========================================================================
   LOCKED PAYWALL OVERLAY (Chapter 6 Gate)
   ========================================================================== */

.paywall-container {
  position: relative;
  margin-top: 10px;
  padding-top: 20px;
}

.paywall-fade-mask {
  height: 90px;
  background: var(--lock-gradient);
  margin-top: -90px;
  position: relative;
  z-index: 2;
  pointer-events: none;
}

.paywall-card {
  position: relative;
  z-index: 3;
  background: var(--bg-surface);
  border: 1.5px solid var(--color-gold);
  border-radius: 20px;
  padding: 24px 18px;
  text-align: center;
  box-shadow: 0 12px 35px var(--color-gold-glow);
  overflow: hidden;
}

.paywall-card::before {
  content: '';
  position: absolute;
  top: -50%;
  left: -50%;
  width: 200%;
  height: 200%;
  background: radial-gradient(circle, rgba(245, 158, 11, 0.12) 0%, transparent 65%);
  pointer-events: none;
}

/* Pulsing Lock Icon */
.lock-icon-wrap {
  width: 60px;
  height: 60px;
  border-radius: 50%;
  background: linear-gradient(135deg, rgba(245, 158, 11, 0.2), rgba(225, 29, 72, 0.2));
  border: 2px solid var(--color-gold);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 26px;
  margin: 0 auto 14px auto;
  position: relative;
  animation: pulse-ring 2s infinite;
}

.paywall-title {
  font-size: 19px;
  font-weight: 800;
  color: var(--text-main);
  margin-bottom: 6px;
}

.paywall-subtitle {
  font-size: 13px;
  line-height: 1.5;
  color: var(--text-sub);
  margin-bottom: 18px;
}

.paywall-teaser-quote {
  font-size: 12px;
  font-style: italic;
  color: var(--color-primary);
  background: var(--bg-surface-elevated);
  padding: 10px 14px;
  border-radius: 10px;
  margin-bottom: 20px;
  border: 1px dashed var(--border-subtle);
}

/* Unlock Action Buttons in Paywall */
.paywall-actions {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.btn-unlock-gold {
  width: 100%;
  height: 48px;
  border-radius: 14px;
  background: linear-gradient(135deg, #ff3366, #ff7b00);
  color: #ffffff;
  font-size: 15px;
  font-weight: 800;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  box-shadow: 0 4px 18px var(--color-primary-glow);
  position: relative;
  overflow: hidden;
}

.btn-unlock-gold::after {
  content: '';
  position: absolute;
  top: 0;
  left: -100%;
  width: 100%;
  height: 100%;
  background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.35), transparent);
  animation: shimmer 2.2s infinite;
}

.btn-starter-pack-banner {
  width: 100%;
  padding: 12px;
  border-radius: 14px;
  background: linear-gradient(135deg, rgba(245, 158, 11, 0.15), rgba(255, 51, 102, 0.15));
  border: 1.5px dashed var(--color-gold);
  display: flex;
  align-items: center;
  justify-content: space-between;
  cursor: pointer;
  text-align: left;
}

.starter-banner-info h4 {
  font-size: 13px;
  font-weight: 800;
  color: var(--color-gold);
}

.starter-banner-info p {
  font-size: 11px;
  color: var(--text-sub);
}

.starter-banner-badge {
  background: #ff3366;
  color: #fff;
  font-size: 11px;
  font-weight: 800;
  padding: 4px 8px;
  border-radius: 8px;
  white-space: nowrap;
}

/* ==========================================================================
   BOTTOM CONTROLS BAR
   ========================================================================== */

.bottom-bar {
  position: fixed;
  bottom: 0;
  left: 0;
  right: 0;
  max-width: 680px;
  margin: 0 auto;
  z-index: 100;
  padding-bottom: var(--sab);
  background: var(--bg-overlay);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border-top: 1px solid var(--border-subtle);
  transform: translateY(0);
  transition: transform 0.28s cubic-bezier(0.16, 1, 0.3, 1), opacity 0.25s ease;
}

.bottom-bar.hidden {
  transform: translateY(105%);
  opacity: 0;
  pointer-events: none;
}

.bottom-bar-inner {
  display: flex;
  flex-direction: column;
  padding: 10px 14px 6px 14px;
  gap: 10px;
}

/* Progress and Chapter Nav row */
.nav-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
}

.btn-nav-chapter {
  display: flex;
  align-items: center;
  gap: 4px;
  font-size: 12px;
  font-weight: 700;
  padding: 6px 12px;
  border-radius: 10px;
  background: var(--bg-surface-elevated);
  color: var(--text-main);
  border: 1px solid var(--border-subtle);
}

.btn-nav-chapter:disabled {
  opacity: 0.4;
  pointer-events: none;
}

.chapter-progress-text {
  font-size: 12px;
  font-weight: 600;
  color: var(--text-sub);
}

/* Controls Row: Font Size + Themes + TOC */
.tools-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-top: 6px;
  border-top: 1px solid var(--border-subtle);
}

.font-stepper {
  display: flex;
  align-items: center;
  background: var(--bg-surface);
  border: 1px solid var(--border-subtle);
  border-radius: 10px;
  padding: 2px;
}

.font-btn {
  width: 32px;
  height: 28px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 700;
  font-size: 13px;
  color: var(--text-main);
  border-radius: 8px;
}

.font-value-label {
  font-size: 11px;
  font-weight: 700;
  color: var(--text-muted);
  min-width: 34px;
  text-align: center;
}

/* Theme Picker Segment */
.theme-picker {
  display: flex;
  align-items: center;
  gap: 6px;
  background: var(--bg-surface);
  padding: 3px;
  border-radius: 12px;
  border: 1px solid var(--border-subtle);
}

.theme-btn {
  width: 28px;
  height: 28px;
  border-radius: 8px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 13px;
  border: 1.5px solid transparent;
  transition: transform 0.15s ease, border-color 0.15s ease;
}

.theme-btn.active {
  border-color: var(--color-primary);
  transform: scale(1.08);
}

.theme-btn.btn-dark {
  background: #0c0e14;
  color: #fff;
}

.theme-btn.btn-sepia {
  background: #f4ecd8;
  color: #3d3023;
}

.theme-btn.btn-light {
  background: #ffffff;
  color: #0f172a;
}

.btn-toc {
  display: flex;
  align-items: center;
  gap: 4px;
  font-size: 12px;
  font-weight: 700;
  padding: 6px 12px;
  border-radius: 10px;
  color: var(--text-main);
  background: var(--bg-surface);
  border: 1px solid var(--border-subtle);
}

/* ==========================================================================
   TABLE OF CONTENTS (DRAWER)
   ========================================================================== */

.drawer-backdrop {
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.65);
  backdrop-filter: blur(4px);
  z-index: 200;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.25s ease;
}

.drawer-backdrop.active {
  opacity: 1;
  pointer-events: auto;
}

.drawer-content {
  position: fixed;
  top: 0;
  left: 0;
  bottom: 0;
  width: 82%;
  max-width: 360px;
  background: var(--bg-surface);
  z-index: 201;
  padding-top: var(--sat);
  padding-bottom: var(--sab);
  display: flex;
  flex-direction: column;
  transform: translateX(-100%);
  transition: transform 0.28s cubic-bezier(0.16, 1, 0.3, 1);
  box-shadow: var(--shadow-float);
}

.drawer-content.active {
  transform: translateX(0);
}

.drawer-header {
  padding: 16px;
  border-bottom: 1px solid var(--border-subtle);
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.drawer-book-info {
  display: flex;
  gap: 12px;
  align-items: center;
}

.book-cover-mini {
  width: 44px;
  height: 60px;
  border-radius: 6px;
  background: linear-gradient(135deg, #1e1b4b, #431407);
  border: 1px solid var(--border-subtle);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 20px;
  box-shadow: 0 4px 10px rgba(0, 0, 0, 0.3);
}

.book-titles h3 {
  font-size: 14px;
  font-weight: 800;
  color: var(--text-main);
  line-height: 1.25;
}

.book-titles p {
  font-size: 11px;
  color: var(--text-muted);
  margin-top: 4px;
}

.drawer-list {
  flex: 1;
  overflow-y: auto;
  -webkit-overflow-scrolling: touch;
  padding: 8px 0;
}

.drawer-item {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 12px 18px;
  border-bottom: 1px solid var(--border-subtle);
  font-size: 13px;
  color: var(--text-main);
  transition: background 0.15s ease;
}

.drawer-item:active {
  background: var(--bg-surface-elevated);
}

.drawer-item.current {
  color: var(--color-primary);
  font-weight: 800;
  background: rgba(255, 51, 102, 0.08);
}

.badge-tag {
  font-size: 10px;
  font-weight: 700;
  padding: 2px 6px;
  border-radius: 4px;
}

.badge-free {
  color: var(--color-emerald);
  background: rgba(16, 185, 129, 0.15);
}

.badge-locked {
  color: var(--color-gold);
  background: rgba(245, 158, 11, 0.15);
}

/* ==========================================================================
   $0.99 FIRST RECHARGE STARTER PACK MODAL (CRO CASHIER)
   ========================================================================== */

.modal-backdrop {
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.82);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  z-index: 300;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 18px;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.25s cubic-bezier(0.16, 1, 0.3, 1);
}

.modal-backdrop.active {
  opacity: 1;
  pointer-events: auto;
}

.modal-card {
  width: 100%;
  max-width: 400px;
  background: #141722;
  color: #f8fafc;
  border-radius: 24px;
  border: 1.5px solid var(--color-gold);
  box-shadow: 0 0 35px rgba(255, 51, 102, 0.4), 0 20px 40px rgba(0, 0, 0, 0.8);
  position: relative;
  overflow: hidden;
  transform: scale(0.92) translateY(20px);
  transition: transform 0.28s cubic-bezier(0.16, 1, 0.3, 1);
}

.modal-backdrop.active .modal-card {
  transform: scale(1) translateY(0);
}

/* Modal Glowing Top Ribbon */
.modal-ribbon {
  background: linear-gradient(90deg, #e11d48, #f59e0b, #e11d48);
  background-size: 200% auto;
  animation: shine 3s linear infinite;
  color: #ffffff;
  font-size: 11px;
  font-weight: 900;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  padding: 6px 12px;
  text-align: center;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
}

.btn-modal-close {
  position: absolute;
  top: 36px;
  right: 14px;
  width: 28px;
  height: 28px;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.12);
  color: #94a3b8;
  font-size: 16px;
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 10;
}

.modal-body {
  padding: 20px 18px 22px 18px;
  text-align: center;
}

/* Countdown Bar */
.countdown-box {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  background: rgba(225, 29, 72, 0.18);
  border: 1px solid rgba(225, 29, 72, 0.4);
  padding: 4px 12px;
  border-radius: 20px;
  margin-bottom: 12px;
  font-size: 12px;
  font-weight: 700;
  color: #ff4d6d;
}

.countdown-digits {
  font-family: monospace;
  font-size: 14px;
  font-weight: 800;
  letter-spacing: 0.05em;
}

.modal-title {
  font-size: 22px;
  font-weight: 900;
  line-height: 1.25;
  color: #ffffff;
  margin-bottom: 4px;
}

.modal-subtitle {
  font-size: 12px;
  color: #94a3b8;
  margin-bottom: 16px;
}

/* Price Box */
.price-showcase {
  display: flex;
  align-items: baseline;
  justify-content: center;
  gap: 8px;
  margin-bottom: 16px;
}

.original-price {
  font-size: 15px;
  color: #64748b;
  text-decoration: line-through;
}

.deal-price {
  font-size: 38px;
  font-weight: 900;
  color: #f59e0b;
  line-height: 1;
  text-shadow: 0 0 20px rgba(245, 158, 11, 0.4);
}

.deal-badge {
  background: #ff3366;
  color: #fff;
  font-size: 11px;
  font-weight: 900;
  padding: 3px 7px;
  border-radius: 6px;
  transform: translateY(-4px);
}

/* Value Items Stack */
.value-list {
  display: flex;
  flex-direction: column;
  gap: 8px;
  margin-bottom: 20px;
  text-align: left;
}

.value-item {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 9px 12px;
  background: rgba(255, 255, 255, 0.05);
  border-radius: 12px;
  border: 1px solid rgba(255, 255, 255, 0.06);
}

.value-icon {
  font-size: 18px;
}

.value-text h5 {
  font-size: 13px;
  font-weight: 800;
  color: #f8fafc;
}

.value-text p {
  font-size: 11px;
  color: #94a3b8;
}

/* Breathing Glow Checkout CTA Button */
.btn-checkout-cta {
  width: 100%;
  height: 52px;
  border-radius: 16px;
  background: linear-gradient(135deg, #ff3366 0%, #ff6b3d 50%, #f59e0b 100%);
  color: #ffffff;
  font-size: 16px;
  font-weight: 900;
  letter-spacing: 0.03em;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  cursor: pointer;
  box-shadow: 0 6px 25px rgba(255, 51, 102, 0.55);
  animation: breathe-glow 2.2s infinite ease-in-out;
  position: relative;
  overflow: hidden;
  transition: transform 0.1s ease;
}

.btn-checkout-cta:active {
  transform: scale(0.97);
}

.btn-checkout-cta.loading {
  pointer-events: none;
  opacity: 0.85;
}

/* Trust Badges */
.trust-badges {
  margin-top: 14px;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 6px;
}

.trust-icons {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 11px;
  font-weight: 700;
  color: #64748b;
}

.trust-note {
  font-size: 10px;
  color: #64748b;
}

/* ==========================================================================
   TOAST NOTIFICATION
   ========================================================================== */

.toast-container {
  position: fixed;
  top: calc(16px + var(--sat));
  left: 50%;
  transform: translateX(-50%);
  z-index: 500;
  display: flex;
  flex-direction: column;
  gap: 8px;
  pointer-events: none;
  width: 90%;
  max-width: 360px;
}

.toast {
  background: #1e2436;
  color: #f8fafc;
  border: 1px solid var(--border-active);
  padding: 10px 14px;
  border-radius: 12px;
  font-size: 12px;
  font-weight: 700;
  display: flex;
  align-items: center;
  gap: 8px;
  box-shadow: 0 10px 25px rgba(0, 0, 0, 0.4);
  animation: toast-in 0.28s cubic-bezier(0.16, 1, 0.3, 1) forwards;
}

.toast.toast-success {
  border-color: var(--color-emerald);
}

.toast.toast-warning {
  border-color: var(--color-gold);
}

/* ==========================================================================
   KEYFRAME ANIMATIONS
   ========================================================================== */

@keyframes breathe-glow {
  0% {
    box-shadow: 0 4px 18px rgba(255, 51, 102, 0.45), 0 0 10px rgba(245, 158, 11, 0.2);
    transform: scale(1);
  }
  50% {
    box-shadow: 0 8px 30px rgba(255, 51, 102, 0.75), 0 0 25px rgba(245, 158, 11, 0.5);
    transform: scale(1.015);
  }
  100% {
    box-shadow: 0 4px 18px rgba(255, 51, 102, 0.45), 0 0 10px rgba(245, 158, 11, 0.2);
    transform: scale(1);
  }
}

@keyframes pulse-ring {
  0% {
    box-shadow: 0 0 0 0 rgba(245, 158, 11, 0.55);
  }
  70% {
    box-shadow: 0 0 0 14px rgba(245, 158, 11, 0);
  }
  100% {
    box-shadow: 0 0 0 0 rgba(245, 158, 11, 0);
  }
}

@keyframes pulse-mini {
  0%, 100% {
    opacity: 1;
    transform: scale(1);
  }
  50% {
    opacity: 0.88;
    transform: scale(1.04);
  }
}

@keyframes shimmer {
  100% {
    left: 100%;
  }
}

@keyframes shine {
  to {
    background-position: 200% center;
  }
}

@keyframes toast-in {
  from {
    opacity: 0;
    transform: translateY(-16px) scale(0.95);
  }
  to {
    opacity: 1;
    transform: translateY(0) scale(1);
  }
}

/* ==========================================================================
   VIEW PANELS & MAIN PORTAL SYSTEM
   ========================================================================== */

.view-panel {
  display: none;
  width: 100%;
  min-height: 100vh;
}

.view-panel.active {
  display: block;
}

/* Reader Top Bar Store Navigation Button */
.btn-store-nav {
  display: inline-flex;
  align-items: center;
  gap: 5px;
  background: rgba(255, 51, 102, 0.12);
  border: 1px solid rgba(255, 51, 102, 0.35);
  color: var(--color-primary);
  font-size: 13px;
  font-weight: 700;
  padding: 5px 10px;
  border-radius: 18px;
  cursor: pointer;
  transition: all 0.2s ease;
  flex-shrink: 0;
}

.btn-store-nav:active {
  transform: scale(0.94);
  background: rgba(255, 51, 102, 0.25);
}

.btn-store-nav .icon-store {
  font-size: 14px;
}

/* Paywall Escape Route */
.btn-paywall-free-coins {
  width: 100%;
  margin-top: 10px;
  background: transparent;
  border: 1px dashed var(--color-gold);
  color: var(--color-gold);
  font-size: 13px;
  font-weight: 600;
  padding: 10px 14px;
  border-radius: 10px;
  cursor: pointer;
  text-align: center;
  transition: all 0.2s ease;
}

.btn-paywall-free-coins:active {
  background: rgba(245, 158, 11, 0.15);
}

/* Drawer Footer Portal Link */
.drawer-footer-portal {
  position: sticky;
  bottom: 0;
  left: 0;
  right: 0;
  padding: 14px;
  background: var(--bg-surface);
  border-top: 1px solid var(--border-subtle);
}

.btn-footer-store {
  width: 100%;
  background: linear-gradient(135deg, var(--color-primary) 0%, #e11d48 100%);
  color: #ffffff;
  border: none;
  border-radius: 10px;
  padding: 12px;
  font-size: 13px;
  font-weight: 700;
  cursor: pointer;
  box-shadow: 0 4px 15px rgba(255, 51, 102, 0.3);
  transition: transform 0.2s;
}

.btn-footer-store:active {
  transform: scale(0.97);
}

/* Readers Also Loved Section (Chapter Bottom Bridge) */
.reader-recommend-section {
  max-width: 680px;
  margin: 40px auto 20px;
  padding: 20px 16px 30px;
  border-top: 1px solid var(--border-subtle);
}

.recommend-title-row {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  margin-bottom: 14px;
}

.recommend-title-row h3 {
  font-size: 18px;
  font-weight: 800;
  color: var(--text-main);
}

.recommend-sub {
  font-size: 12px;
  color: var(--text-muted);
}

.recommend-cards {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 12px;
}

.rec-book-card {
  background: var(--bg-surface);
  border: 1px solid var(--border-subtle);
  border-radius: 12px;
  padding: 10px;
  display: flex;
  flex-direction: column;
  cursor: pointer;
  transition: transform 0.2s, border-color 0.2s;
}

.rec-book-card:active {
  transform: scale(0.97);
  border-color: var(--color-primary);
}

.rec-cover-wrap {
  position: relative;
  width: 100%;
  aspect-ratio: 2 / 3;
  border-radius: 8px;
  overflow: hidden;
  margin-bottom: 8px;
  background: #000;
}

.rec-cover-wrap img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.rec-badge {
  position: absolute;
  top: 6px;
  left: 6px;
  background: var(--color-primary);
  color: #fff;
  font-size: 10px;
  font-weight: 800;
  padding: 2px 6px;
  border-radius: 4px;
}

.rec-title {
  font-size: 13px;
  font-weight: 700;
  color: var(--text-main);
  line-height: 1.3;
  margin-bottom: 4px;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.rec-meta {
  font-size: 11px;
  color: var(--color-gold);
  font-weight: 600;
  margin-top: auto;
}

/* ==========================================================================
   PORTAL VIEW (MAIN BOOKSTORE & ECOSYSTEM)
   ========================================================================== */

.portal-panel {
  background-color: var(--bg-app);
  color: var(--text-main);
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  padding-bottom: calc(75px + var(--sab));
}

.portal-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: var(--bg-overlay);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border-bottom: 1px solid var(--border-subtle);
  padding: calc(10px + var(--sat)) 16px 10px;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.portal-brand {
  display: flex;
  align-items: center;
  gap: 8px;
}

.portal-logo-icon {
  font-size: 22px;
}

.portal-brand-text {
  font-size: 18px;
  font-weight: 900;
  letter-spacing: -0.5px;
  background: linear-gradient(135deg, #ffffff 0%, var(--color-primary) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

.portal-header-right {
  display: flex;
  align-items: center;
  gap: 8px;
}

.portal-wallet-pill {
  display: flex;
  align-items: center;
  gap: 8px;
  background: var(--bg-surface);
  border: 1px solid var(--border-subtle);
  padding: 4px 10px;
  border-radius: 16px;
  font-size: 12px;
}

.btn-portal-back {
  background: rgba(255, 51, 102, 0.15);
  border: 1px solid rgba(255, 51, 102, 0.4);
  color: var(--color-primary);
  font-size: 12px;
  font-weight: 700;
  padding: 6px 12px;
  border-radius: 14px;
  cursor: pointer;
}

.btn-portal-back:active {
  transform: scale(0.94);
}

.portal-main-body {
  flex: 1;
  width: 100%;
  max-width: 600px;
  margin: 0 auto;
  padding: 14px 16px;
}

.portal-tab {
  display: none;
}

.portal-tab.active {
  display: block;
}

/* Discover: Search & Hero */
.portal-search-bar {
  display: flex;
  align-items: center;
  gap: 8px;
  background: var(--bg-surface);
  border: 1px solid var(--border-subtle);
  border-radius: 20px;
  padding: 8px 14px;
  margin-bottom: 16px;
}

.portal-search-bar input {
  flex: 1;
  background: transparent;
  border: none;
  outline: none;
  color: var(--text-main);
  font-size: 13px;
}

.portal-hero-card {
  position: relative;
  background: linear-gradient(135deg, #1e1b4b 0%, #311042 50%, #111827 100%);
  border: 1px solid rgba(255, 51, 102, 0.3);
  border-radius: 16px;
  padding: 18px;
  margin-bottom: 18px;
  box-shadow: 0 10px 25px rgba(0, 0, 0, 0.5);
  overflow: hidden;
}

.hero-badge {
  display: inline-block;
  background: var(--color-primary);
  color: #fff;
  font-size: 10px;
  font-weight: 900;
  padding: 3px 8px;
  border-radius: 6px;
  letter-spacing: 0.5px;
  margin-bottom: 10px;
}

.hero-title {
  font-size: 18px;
  font-weight: 800;
  color: #fff;
  line-height: 1.25;
  margin-bottom: 8px;
}

.hero-desc {
  font-size: 12px;
  color: #cbd5e1;
  line-height: 1.5;
  margin-bottom: 14px;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.hero-footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.btn-hero-read {
  background: linear-gradient(135deg, var(--color-primary) 0%, #e11d48 100%);
  color: #fff;
  border: none;
  border-radius: 20px;
  padding: 8px 16px;
  font-size: 13px;
  font-weight: 800;
  cursor: pointer;
  box-shadow: 0 4px 12px rgba(255, 51, 102, 0.4);
}

.hero-rating {
  font-size: 12px;
  color: var(--color-gold);
  font-weight: 700;
}

/* Genre Pills */
.genre-pills {
  display: flex;
  gap: 8px;
  overflow-x: auto;
  padding-bottom: 12px;
  margin-bottom: 14px;
  scrollbar-width: none;
}

.genre-pills::-webkit-scrollbar {
  display: none;
}

.genre-pill {
  flex-shrink: 0;
  background: var(--bg-surface);
  border: 1px solid var(--border-subtle);
  color: var(--text-sub);
  font-size: 12px;
  font-weight: 600;
  padding: 6px 12px;
  border-radius: 16px;
  cursor: pointer;
}

.genre-pill.active {
  background: rgba(255, 51, 102, 0.15);
  border-color: var(--color-primary);
  color: var(--color-primary);
  font-weight: 700;
}

/* Section Title Bar */
.portal-section-title-bar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin: 18px 0 12px;
}

.portal-section-title-bar h3 {
  font-size: 16px;
  font-weight: 800;
  color: var(--text-main);
}

.title-tip {
  font-size: 11px;
  color: var(--text-muted);
}

/* Bookstore Book Grid */
.portal-book-grid {
  display: flex;
  flex-direction: column;
  gap: 14px;
}

.book-card {
  background: var(--bg-surface);
  border: 1px solid var(--border-subtle);
  border-radius: 14px;
  padding: 12px;
  display: flex;
  gap: 14px;
  transition: transform 0.2s, border-color 0.2s;
}

.book-card:active {
  transform: scale(0.98);
  border-color: var(--color-primary);
}

.book-card-cover-wrap {
  position: relative;
  width: 90px;
  aspect-ratio: 2 / 3;
  flex-shrink: 0;
  border-radius: 8px;
  overflow: hidden;
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.4);
  background: #000;
}

.book-card-cover {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.book-badge {
  position: absolute;
  top: 4px;
  left: 4px;
  font-size: 9px;
  font-weight: 900;
  color: #fff;
  padding: 2px 6px;
  border-radius: 4px;
}

.book-badge.gold {
  background: linear-gradient(135deg, #f59e0b 0%, #d97706 100%);
}

.book-badge.red {
  background: linear-gradient(135deg, #ef4444 0%, #b91c1c 100%);
}

.book-badge.purple {
  background: linear-gradient(135deg, #8b5cf6 0%, #6d28d9 100%);
}

.book-card-info {
  flex: 1;
  display: flex;
  flex-direction: column;
}

.book-card-title {
  font-size: 15px;
  font-weight: 700;
  color: var(--text-main);
  line-height: 1.3;
  margin-bottom: 4px;
}

.book-card-author {
  font-size: 12px;
  color: var(--text-muted);
  margin-bottom: 6px;
}

.book-card-meta {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 11px;
  margin-bottom: 6px;
}

.book-card-meta .rating {
  color: var(--color-gold);
  font-weight: 700;
}

.book-card-meta .reads {
  color: var(--text-sub);
}

.book-card-tag {
  display: inline-block;
  align-self: flex-start;
  font-size: 10px;
  background: rgba(255, 255, 255, 0.05);
  color: var(--text-sub);
  padding: 2px 6px;
  border-radius: 4px;
  margin-bottom: 10px;
}

.btn-card-read {
  align-self: flex-start;
  margin-top: auto;
  background: rgba(255, 51, 102, 0.15);
  border: 1px solid rgba(255, 51, 102, 0.4);
  color: var(--color-primary);
  font-size: 12px;
  font-weight: 700;
  padding: 5px 14px;
  border-radius: 12px;
  cursor: pointer;
}

.btn-card-read:active {
  background: var(--color-primary);
  color: #fff;
}

/* Bookshelf Tab Styles */
.resume-reading-card {
  background: linear-gradient(135deg, #1e293b 0%, #0f172a 100%);
  border: 1px solid rgba(255, 51, 102, 0.3);
  border-radius: 16px;
  padding: 16px;
  display: flex;
  gap: 14px;
  margin-bottom: 20px;
  box-shadow: 0 8px 20px rgba(0, 0, 0, 0.4);
}

.resume-cover-wrap {
  width: 75px;
  aspect-ratio: 2 / 3;
  border-radius: 8px;
  overflow: hidden;
  flex-shrink: 0;
}

.resume-cover {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.resume-details {
  flex: 1;
  display: flex;
  flex-direction: column;
}

.resume-label {
  font-size: 10px;
  font-weight: 800;
  color: var(--color-primary);
  letter-spacing: 0.5px;
}

.resume-details h3 {
  font-size: 15px;
  font-weight: 700;
  color: #fff;
  margin: 2px 0 4px;
  line-height: 1.3;
}

.resume-details p {
  font-size: 12px;
  color: #94a3b8;
  margin-bottom: 8px;
}

.progress-bar-wrap {
  width: 100%;
  height: 5px;
  background: rgba(255, 255, 255, 0.1);
  border-radius: 3px;
  overflow: hidden;
  margin-bottom: 10px;
}

.progress-bar-fill {
  height: 100%;
  background: linear-gradient(90deg, var(--color-primary) 0%, var(--color-gold) 100%);
}

.btn-resume-cta {
  align-self: flex-start;
  background: var(--color-primary);
  color: #fff;
  border: none;
  font-size: 12px;
  font-weight: 800;
  padding: 6px 14px;
  border-radius: 12px;
  cursor: pointer;
}

.library-cards-list {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

/* Rewards Tab Styles */
.reward-box {
  background: var(--bg-surface);
  border: 1px solid var(--border-subtle);
  border-radius: 16px;
  padding: 16px;
  margin-bottom: 16px;
}

.reward-header {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  margin-bottom: 14px;
}

.reward-box-title {
  font-size: 16px;
  font-weight: 800;
  color: var(--text-main);
  margin-bottom: 2px;
}

.reward-box-subtitle {
  font-size: 12px;
  color: var(--text-muted);
}

.streak-pill {
  background: rgba(245, 158, 11, 0.15);
  border: 1px solid var(--color-gold);
  color: var(--color-gold);
  font-size: 11px;
  font-weight: 800;
  padding: 3px 8px;
  border-radius: 10px;
}

.streak-matrix {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 8px;
  margin-bottom: 14px;
}

.streak-day {
  background: var(--bg-surface-elevated);
  border: 1px solid var(--border-subtle);
  border-radius: 10px;
  padding: 8px 4px;
  text-align: center;
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.streak-day.current {
  border-color: var(--color-gold);
  background: rgba(245, 158, 11, 0.12);
}

.streak-day.claimed {
  opacity: 0.6;
}

.streak-day.mega {
  grid-column: span 2;
  background: linear-gradient(135deg, rgba(255, 51, 102, 0.15) 0%, rgba(245, 158, 11, 0.15) 100%);
  border-color: var(--color-primary);
}

.s-day {
  font-size: 10px;
  color: var(--text-muted);
}

.s-coins {
  font-size: 12px;
  font-weight: 800;
  color: var(--color-gold);
}

.s-status {
  font-size: 9px;
  font-weight: 800;
  color: var(--text-sub);
}

.streak-day.current .s-status {
  color: var(--color-emerald);
}

.btn-checkin-action {
  width: 100%;
  background: linear-gradient(135deg, var(--color-gold) 0%, #d97706 100%);
  color: #000;
  border: none;
  border-radius: 12px;
  padding: 12px;
  font-size: 14px;
  font-weight: 800;
  cursor: pointer;
  box-shadow: 0 4px 14px rgba(245, 158, 11, 0.35);
  transition: transform 0.2s;
}

.btn-checkin-action:active {
  transform: scale(0.98);
}

.btn-checkin-action.claimed {
  background: var(--bg-surface-elevated);
  color: var(--text-muted);
  box-shadow: none;
  cursor: not-allowed;
}

/* Daily Quests Deck */
.quest-deck {
  display: flex;
  flex-direction: column;
  gap: 12px;
  margin-top: 12px;
}

.quest-row {
  display: flex;
  align-items: center;
  gap: 12px;
  background: var(--bg-surface-elevated);
  border: 1px solid var(--border-subtle);
  border-radius: 12px;
  padding: 12px;
}

.quest-icon {
  font-size: 24px;
}

.quest-text {
  flex: 1;
}

.quest-text h5 {
  font-size: 13px;
  font-weight: 700;
  color: var(--text-main);
  margin-bottom: 2px;
}

.quest-text p {
  font-size: 11px;
  color: var(--text-muted);
}

.btn-quest-cta {
  background: rgba(255, 255, 255, 0.1);
  border: 1px solid var(--border-subtle);
  color: var(--text-main);
  font-size: 11px;
  font-weight: 700;
  padding: 6px 12px;
  border-radius: 14px;
  cursor: pointer;
  white-space: nowrap;
}

.btn-quest-cta.gold {
  background: rgba(245, 158, 11, 0.15);
  border-color: var(--color-gold);
  color: var(--color-gold);
}

.btn-quest-cta.emerald {
  background: rgba(16, 185, 129, 0.15);
  border-color: var(--color-emerald);
  color: var(--color-emerald);
}

.btn-quest-cta.disabled {
  opacity: 0.5;
  cursor: not-allowed;
}

/* Profile Tab Styles */
.profile-guest-card {
  background: var(--bg-surface);
  border: 1px solid var(--border-subtle);
  border-radius: 16px;
  padding: 14px;
  display: flex;
  align-items: center;
  gap: 14px;
  margin-bottom: 16px;
}

.guest-avatar-large {
  width: 50px;
  height: 50px;
  border-radius: 50%;
  background: rgba(255, 51, 102, 0.15);
  border: 1px solid var(--color-primary);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 24px;
  flex-shrink: 0;
}

.guest-info-block {
  flex: 1;
}

.guest-header-line {
  display: flex;
  align-items: center;
  gap: 8px;
  margin-bottom: 4px;
}

.guest-status-tag {
  font-size: 10px;
  font-weight: 800;
  padding: 2px 6px;
  border-radius: 6px;
  background: rgba(245, 158, 11, 0.15);
  color: var(--color-gold);
  border: 1px solid rgba(245, 158, 11, 0.4);
}

.guest-warning {
  font-size: 11px;
  color: var(--text-muted);
  line-height: 1.3;
}

.wallet-balance-row {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 12px;
  margin-bottom: 18px;
}

.wallet-tile {
  background: var(--bg-surface);
  border: 1px solid var(--border-subtle);
  border-radius: 14px;
  padding: 12px;
  display: flex;
  align-items: center;
  gap: 10px;
}

.wallet-tile-icon {
  font-size: 24px;
}

.wallet-tile-label {
  font-size: 10px;
  color: var(--text-muted);
}

.wallet-tile-val {
  font-size: 18px;
  font-weight: 900;
  color: var(--text-main);
}

/* Recharge Grid */
.recharge-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 10px;
  margin-bottom: 16px;
}

.recharge-card {
  position: relative;
  background: var(--bg-surface);
  border: 1px solid var(--border-subtle);
  border-radius: 12px;
  padding: 12px;
  text-align: center;
}

.recharge-card.best {
  border-color: var(--color-primary);
  background: rgba(255, 51, 102, 0.08);
}

.recharge-badge {
  display: inline-block;
  font-size: 9px;
  font-weight: 800;
  color: var(--color-primary);
  margin-bottom: 4px;
}

.recharge-badge.gold {
  color: var(--color-gold);
}

.recharge-coin-count {
  font-size: 14px;
  font-weight: 800;
  color: var(--text-main);
  margin-bottom: 4px;
}

.recharge-usd {
  font-size: 16px;
  font-weight: 900;
  color: var(--color-gold);
  margin-bottom: 8px;
}

.btn-recharge-pack {
  width: 100%;
  background: rgba(255, 255, 255, 0.1);
  border: 1px solid var(--border-subtle);
  color: var(--text-main);
  font-size: 12px;
  font-weight: 700;
  padding: 6px;
  border-radius: 8px;
  cursor: pointer;
}

.recharge-card.best .btn-recharge-pack {
  background: var(--color-primary);
  color: #fff;
  border: none;
}

/* VIP Subscription Card */
.vip-sub-card {
  background: linear-gradient(135deg, #311042 0%, #1e1b4b 100%);
  border: 1px solid rgba(255, 51, 102, 0.4);
  border-radius: 14px;
  padding: 14px;
  margin-bottom: 18px;
}

.vip-sub-text h4 {
  font-size: 14px;
  font-weight: 800;
  color: #fff;
  margin-bottom: 4px;
}

.vip-sub-text p {
  font-size: 11px;
  color: #cbd5e1;
  margin-bottom: 10px;
}

.btn-vip-checkout {
  width: 100%;
  background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-gold) 100%);
  color: #fff;
  border: none;
  border-radius: 10px;
  padding: 8px;
  font-size: 12px;
  font-weight: 800;
  cursor: pointer;
}

/* Ledger Box */
.ledger-container {
  background: var(--bg-surface);
  border: 1px solid var(--border-subtle);
  border-radius: 12px;
  padding: 10px 14px;
  margin-bottom: 18px;
}

.ledger-entry {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 6px 0;
  font-size: 12px;
}

.ledger-amt.green {
  color: var(--color-emerald);
  font-weight: 700;
}

/* Footer Links */
.portal-footer-links {
  text-align: center;
  font-size: 11px;
  color: var(--text-muted);
  padding: 10px 0;
}

.portal-footer-links .link-btn {
  background: transparent;
  border: none;
  color: var(--text-muted);
  font-size: 11px;
  cursor: pointer;
}

/* Fixed Bottom Tab Navigation */
.portal-bottom-nav {
  position: fixed;
  bottom: 0;
  left: 0;
  right: 0;
  z-index: 100;
  background: var(--bg-overlay);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border-top: 1px solid var(--border-subtle);
  padding: 8px 16px calc(8px + var(--sab));
  display: flex;
  align-items: center;
  justify-content: space-around;
  max-width: 600px;
  margin: 0 auto;
}

.portal-nav-btn {
  background: transparent;
  border: none;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 3px;
  color: var(--text-muted);
  cursor: pointer;
  padding: 4px 12px;
  border-radius: 8px;
  transition: all 0.2s ease;
}

.p-nav-icon {
  font-size: 18px;
}

.p-nav-label {
  font-size: 11px;
  font-weight: 600;
}

.portal-nav-btn.active {
  color: var(--color-primary);
}

.portal-nav-btn.active .p-nav-label {
  font-weight: 800;
}

/* ==========================================================================
   AD & MODAL ENHANCEMENTS
   ========================================================================== */

/* 15s Video Ad Simulation Modal */
.ad-video-modal-card {
  background: #000;
  border: 1px solid rgba(255, 255, 255, 0.2);
  border-radius: 18px;
  width: 90%;
  max-width: 380px;
  overflow: hidden;
  box-shadow: 0 20px 50px rgba(0, 0, 0, 0.8);
  color: #fff;
}

.ad-video-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 12px 16px;
  background: rgba(255, 255, 255, 0.08);
}

.ad-tag {
  font-size: 10px;
  font-weight: 800;
  background: rgba(255, 255, 255, 0.2);
  padding: 2px 6px;
  border-radius: 4px;
}

.ad-countdown {
  font-size: 12px;
  font-weight: 700;
  color: var(--color-gold);
}

.btn-ad-close {
  background: transparent;
  border: none;
  color: #fff;
  font-size: 16px;
  cursor: pointer;
  opacity: 0.4;
}

.btn-ad-close:not([disabled]) {
  opacity: 1;
  color: var(--color-primary);
}

.ad-video-screen {
  height: 220px;
  background: radial-gradient(circle at center, #2e1065 0%, #09090b 100%);
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 20px;
  text-align: center;
}

.ad-brand-logo {
  font-size: 18px;
  font-weight: 900;
  color: #facc15;
  margin-bottom: 8px;
}

.ad-brand-slogan {
  font-size: 12px;
  color: #cbd5e1;
  margin-bottom: 16px;
}

.ad-progress-bar {
  width: 100%;
  height: 6px;
  background: rgba(255, 255, 255, 0.15);
  border-radius: 3px;
  overflow: hidden;
}

.ad-progress-fill {
  width: 0%;
  height: 100%;
  background: linear-gradient(90deg, #f59e0b 0%, #10b981 100%);
  transition: width 1s linear;
}

.ad-video-footer {
  padding: 12px 16px;
  font-size: 12px;
  color: #94a3b8;
  text-align: center;
  background: rgba(255, 255, 255, 0.04);
}

/* Exit & Small Modals */
.small-modal, .exit-modal {
  max-width: 360px;
}

.modal-icon-header, .exit-icon {
  font-size: 40px;
  text-align: center;
  margin-bottom: 8px;
}

.modal-input {
  width: 100%;
  background: var(--bg-surface-elevated);
  border: 1px solid var(--border-subtle);
  border-radius: 10px;
  padding: 12px;
  color: var(--text-main);
  font-size: 14px;
  outline: none;
}

.modal-input:focus {
  border-color: var(--color-primary);
}

.exit-actions {
  display: flex;
  flex-direction: column;
  gap: 10px;
  margin-top: 16px;
}

.btn-secondary-action {
  width: 100%;
  background: transparent;
  border: 1px solid var(--border-subtle);
  color: var(--text-sub);
  font-size: 13px;
  font-weight: 600;
  padding: 10px;
  border-radius: 12px;
  cursor: pointer;
}