/**
 * Nostra Finance - Claim NSTR
 * Pure Vanilla CSS with BEM Naming Convention
 */

@import url('https://fonts.googleapis.com/css2?family=Instrument+Sans:wght@400;500;600;700&family=Gochi+Hand&display=swap');

:root {
  /* Colors from Nostra Theme System */
  --primary-020: #f8f9ff;
  --primary-040: #f2f4ff;
  --primary-060: #ebedfa;
  --primary-080: #dae1f5;
  --primary-100: #c4d1ec;
  --primary-200: #a1b1d2;
  --primary-300: #8998b7;
  --primary-400: #707f9d;
  --primary-500: #586582;
  --primary-700: #27334d;
  --primary-800: #0e1a33;
  --primary-900: #0a1326;

  --secondary-blue-500: #4869af;
  --secondary-green-500: #42aaa3;
  --secondary-purple-500: #b581d3;

  --neutral-100: #ffffff;
  --neutral-200: #f4f5f8;
  --neutral-300: #e8eaee;
  --neutral-400: #d9dce2;
  --neutral-500: #b6b9be;
  --neutral-600: #93969a;
  --neutral-900: #2b2c2e;

  --utility-green: #00b881;
  --utility-red: #db2c2c;
  --utility-amber: #e4a90b;
  --utility-blue: #0c66e4;
  --utility-blue-700: #084cac;

  --brand-nostra: #ff4240;
  --brand-nostra-hover: #ed3533;
  --brand-nostra-active: #d62927;

  --surface-body: var(--primary-060);
  --surface-container-primary: var(--neutral-100);
  --surface-sidebar: var(--primary-900);

  --font-family-base: 'Instrument Sans', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Helvetica, Arial, sans-serif;
  --radius-sm: 4px;
  --radius-md: 8px;
  --radius-lg: 16px;
  --radius-pill: 9999px;

  --button-shadow: 0px 1.5px 0px 0px rgba(255, 255, 255, 0.2) inset, 0px -1.5px 0px 0px rgba(0, 0, 0, 0.1) inset;
  --card-shadow: 0px 8px 30px rgba(10, 19, 38, 0.04);
  --sidebar-width: 72px;
}

*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html, body {
  height: 100%;
  font-family: var(--font-family-base);
  background-color: var(--surface-body);
  color: var(--neutral-900);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

body {
  display: flex;
  flex-direction: column;
  min-height: 100vh;
  overflow-x: hidden;
}

/* ==========================================================================
   Announcement Banner
   ========================================================================== */
.nostra-banner {
  background-color: var(--utility-blue-700);
  color: var(--neutral-100);
  padding: 10px 20px;
  text-align: center;
  font-size: 14px;
  line-height: 1.45;
  display: flex;
  justify-content: center;
  align-items: center;
  position: relative;
  z-index: 50;
}

.nostra-banner__content {
  max-width: 1200px;
  margin: 0 auto;
}

.nostra-banner__highlight {
  font-weight: 700;
}

.nostra-banner__message {
  font-weight: 400;
  opacity: 0.96;
}

/* ==========================================================================
   Main App Container
   ========================================================================== */
.nostra-layout {
  display: flex;
  flex: 1;
  min-height: calc(100vh - 41px);
  position: relative;
}

/* ==========================================================================
   Sidebar Navigation
   ========================================================================== */
.nostra-sidebar {
  width: var(--sidebar-width);
  background-color: var(--surface-sidebar);
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  align-items: center;
  padding: 18px 0;
  flex-shrink: 0;
  z-index: 40;
  user-select: none;
}

.nostra-sidebar__top {
  display: flex;
  flex-direction: column;
  align-items: center;
  width: 100%;
  gap: 28px;
}

.nostra-sidebar__brand {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 44px;
  height: 44px;
  transition: transform 0.2s ease;
  cursor: pointer;
  text-decoration: none;
}

.nostra-sidebar__brand:hover {
  transform: scale(1.08);
}

.nostra-sidebar__brand-logo {
  width: 32px;
  height: 32px;
  display: block;
}

.nostra-sidebar__nav {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 16px;
  width: 100%;
}

.nostra-sidebar__nav-item {
  position: relative;
  display: flex;
  align-items: center;
  justify-content: center;
  width: 40px;
  height: 40px;
  border-radius: var(--radius-md);
  color: var(--primary-400);
  background: transparent;
  border: none;
  cursor: pointer;
  transition: color 0.15s ease, background-color 0.15s ease;
  text-decoration: none;
}

.nostra-sidebar__nav-item:hover {
  color: var(--neutral-100);
  background-color: rgba(255, 255, 255, 0.08);
}

.nostra-sidebar__nav-item--active {
  color: var(--neutral-100);
  background-color: rgba(255, 255, 255, 0.12);
}

.nostra-sidebar__icon {
  width: 20px;
  height: 20px;
  display: block;
  fill: currentColor;
}

/* Tooltip on sidebar hover */
.nostra-sidebar__tooltip {
  position: absolute;
  left: 60px;
  background-color: var(--primary-800);
  color: var(--neutral-100);
  font-size: 12px;
  font-weight: 500;
  padding: 6px 10px;
  border-radius: var(--radius-sm);
  white-space: nowrap;
  pointer-events: none;
  opacity: 0;
  transform: translateX(-4px);
  transition: opacity 0.15s ease, transform 0.15s ease;
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.25);
  z-index: 100;
}

.nostra-sidebar__nav-item:hover .nostra-sidebar__tooltip {
  opacity: 1;
  transform: translateX(0);
}

/* Bottom footer of sidebar */
.nostra-sidebar__bottom {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 16px;
  width: 100%;
}

.nostra-sidebar__social-link {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 32px;
  height: 32px;
  color: var(--primary-400);
  border-radius: var(--radius-sm);
  transition: color 0.15s ease, transform 0.15s ease;
  text-decoration: none;
}

.nostra-sidebar__social-link:hover {
  color: var(--neutral-100);
  transform: translateY(-1px);
}

.nostra-sidebar__social-icon {
  width: 15px;
  height: 15px;
  display: block;
}

.nostra-sidebar__status {
  margin-top: 8px;
  display: flex;
  align-items: center;
  justify-content: center;
  width: 32px;
  height: 32px;
  cursor: pointer;
  position: relative;
}

.nostra-sidebar__status-dot {
  width: 9px;
  height: 9px;
  border-radius: 50%;
  background-color: var(--utility-green);
  box-shadow: 0 0 0 3px rgba(0, 184, 129, 0.2);
  transition: transform 0.2s ease, box-shadow 0.2s ease;
}

.nostra-sidebar__status:hover .nostra-sidebar__status-dot {
  transform: scale(1.15);
  box-shadow: 0 0 0 5px rgba(0, 184, 129, 0.3);
}

/* ==========================================================================
   Main Viewport Area
   ========================================================================== */
.nostra-content {
  flex: 1;
  display: flex;
  flex-direction: column;
  padding: 32px 48px 48px 48px;
  min-height: 100%;
  overflow-y: auto;
}

/* Top Navigation / Header */
.nostra-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  width: 100%;
}

.nostra-header__brand-group {
  display: flex;
  align-items: center;
  gap: 12px;
}

.nostra-header__mobile-logo {
  display: none;
  width: 28px;
  height: 28px;
  flex-shrink: 0;
}

.nostra-header__title {
  font-size: 32px;
  font-weight: 700;
  letter-spacing: -0.025em;
  color: var(--primary-900);
  line-height: 1.2;
}

.nostra-header__actions {
  display: flex;
  align-items: center;
  gap: 12px;
}

/* Buttons */
.nostra-button {
  font-family: inherit;
  font-weight: 600;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border: none;
  cursor: pointer;
  transition: background-color 0.15s ease, transform 0.1s ease, box-shadow 0.15s ease;
  user-select: none;
  text-decoration: none;
}

.nostra-button:active {
  transform: translateY(1px);
}

.nostra-button--primary {
  background-color: var(--brand-nostra);
  color: var(--neutral-100);
  box-shadow: var(--button-shadow);
}

.nostra-button--primary:hover {
  background-color: var(--brand-nostra-hover);
}

.nostra-button--primary:active {
  background-color: var(--brand-nostra-active);
}

.nostra-button--header {
  font-size: 14px;
  padding: 8px 22px;
  border-radius: var(--radius-md);
  height: 38px;
}

.nostra-button--large {
  width: 100%;
  font-size: 16px;
  padding: 14px 24px;
  border-radius: var(--radius-md);
  height: 48px;
}

.nostra-button--connected {
  background-color: var(--primary-800);
  color: var(--neutral-100);
  border-radius: var(--radius-md);
  padding: 8px 16px;
  font-size: 14px;
  display: flex;
  align-items: center;
  gap: 8px;
}

.nostra-button--connected:hover {
  background-color: var(--primary-700);
}

/* ==========================================================================
   Claim Section & Card
   ========================================================================== */
.nostra-claim-section {
  flex: 1;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: 40px 0 60px 0;
  width: 100%;
}

.nostra-card {
  width: 100%;
  max-width: 485px;
  background-color: var(--neutral-100);
  border-radius: var(--radius-lg);
  box-shadow: var(--card-shadow);
  padding: 36px 32px 36px 32px;
  position: relative;
  display: flex;
  flex-direction: column;
  gap: 28px;
  transition: transform 0.2s ease, box-shadow 0.2s ease;
}

/* Decorative Illustration */
.nostra-card__illustration {
  width: 100%;
  display: flex;
  justify-content: center;
  align-items: center;
  padding-bottom: 8px;
}

.nostra-card__svg-logo {
  width: 100%;
  max-width: 380px;
  height: auto;
  display: block;
}

/* Card Information Block */
.nostra-card__content {
  display: flex;
  flex-direction: column;
  gap: 8px;
  text-align: left;
}

.nostra-card__title {
  font-size: 24px;
  font-weight: 700;
  color: var(--primary-900);
  letter-spacing: -0.02em;
  line-height: 1.25;
}

.nostra-card__subtitle {
  font-size: 15px;
  color: var(--primary-500);
  line-height: 1.5;
  font-weight: 400;
}

.nostra-card__action {
  width: 100%;
  display: flex;
  flex-direction: column;
  gap: 12px;
}

/* Connected State Content inside Card */
.nostra-card__connected-view {
  display: none;
  flex-direction: column;
  gap: 20px;
  width: 100%;
}

.nostra-card__connected-view--visible {
  display: flex;
}

.nostra-card__initial-view--hidden {
  display: none;
}

.nostra-card__reward-box {
  background-color: var(--primary-040);
  border: 1px solid var(--primary-080);
  border-radius: var(--radius-md);
  padding: 20px;
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.nostra-card__reward-label {
  font-size: 13px;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--primary-400);
  font-weight: 600;
}

.nostra-card__reward-amount {
  display: flex;
  align-items: baseline;
  gap: 8px;
}

.nostra-card__reward-number {
  font-size: 32px;
  font-weight: 700;
  color: var(--primary-900);
}

.nostra-card__reward-token {
  font-size: 16px;
  font-weight: 600;
  color: var(--brand-nostra);
}

.nostra-card__disconnect-btn {
  background: transparent;
  border: none;
  color: var(--primary-400);
  font-size: 13px;
  cursor: pointer;
  text-decoration: underline;
  margin-top: 4px;
}

.nostra-card__disconnect-btn:hover {
  color: var(--primary-900);
}

/* ==========================================================================
   Modal for Wallet Connection
   ========================================================================== */
.nostra-modal-backdrop {
  position: fixed;
  inset: 0;
  background-color: rgba(10, 19, 38, 0.6);
  backdrop-filter: blur(4px);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 100;
  opacity: 0;
  visibility: hidden;
  transition: opacity 0.2s ease, visibility 0.2s ease;
  padding: 16px;
}

.nostra-modal-backdrop--open {
  opacity: 1;
  visibility: visible;
}

.nostra-modal {
  width: 100%;
  max-width: 420px;
  background-color: var(--neutral-100);
  border-radius: var(--radius-lg);
  box-shadow: 0 16px 40px rgba(10, 19, 38, 0.16);
  padding: 24px;
  transform: translateY(12px) scale(0.97);
  transition: transform 0.2s ease;
}

.nostra-modal-backdrop--open .nostra-modal {
  transform: translateY(0) scale(1);
}

.nostra-modal__header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 20px;
}

.nostra-modal__title {
  font-size: 18px;
  font-weight: 700;
  color: var(--primary-900);
}

.nostra-modal__close {
  background: transparent;
  border: none;
  cursor: pointer;
  color: var(--primary-400);
  font-size: 24px;
  line-height: 1;
  padding: 4px;
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
}

.nostra-modal__close:hover {
  color: var(--primary-900);
}

.nostra-modal__wallets {
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.nostra-wallet-item {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 12px 16px;
  border-radius: var(--radius-md);
  border: 1px solid var(--primary-080);
  background-color: var(--neutral-100);
  cursor: pointer;
  transition: background-color 0.15s ease, border-color 0.15s ease;
}

.nostra-wallet-item:hover {
  background-color: var(--primary-040);
  border-color: var(--primary-200);
}

.nostra-wallet-item__info {
  display: flex;
  align-items: center;
  gap: 12px;
}

.nostra-wallet-item__icon {
  width: 32px;
  height: 32px;
  border-radius: 8px;
}

.nostra-wallet-item__name {
  font-size: 15px;
  font-weight: 600;
  color: var(--primary-900);
}

.nostra-wallet-item__badge {
  font-size: 11px;
  font-weight: 600;
  color: var(--primary-500);
  background-color: var(--primary-080);
  padding: 3px 8px;
  border-radius: var(--radius-sm);
}

.nostra-modal__footer {
  margin-top: 20px;
  font-size: 12px;
  color: var(--primary-400);
  text-align: center;
  line-height: 1.4;
}

.nostra-modal__footer a {
  color: var(--secondary-blue-500);
  text-decoration: none;
}

.nostra-modal__footer a:hover {
  text-decoration: underline;
}

/* ==========================================================================
   Toast Notification
   ========================================================================== */
.nostra-toast {
  position: fixed;
  bottom: 24px;
  right: 24px;
  background-color: var(--primary-900);
  color: var(--neutral-100);
  padding: 12px 20px;
  border-radius: var(--radius-md);
  font-size: 14px;
  font-weight: 500;
  box-shadow: 0 8px 24px rgba(0, 0, 0, 0.2);
  display: flex;
  align-items: center;
  gap: 10px;
  transform: translateY(100px);
  opacity: 0;
  transition: transform 0.25s ease, opacity 0.25s ease;
  z-index: 1000;
}

.nostra-toast--visible {
  transform: translateY(0);
  opacity: 1;
}

.nostra-toast__icon {
  width: 16px;
  height: 16px;
  color: var(--utility-green);
}

/* ==========================================================================
   Responsive Adaptations (Desktop, Tablet, Mobile)
   ========================================================================== */

/* 1. Large Desktops & Wide Screens (>= 1440px) */
@media screen and (min-width: 1440px) {
  .nostra-content {
    padding: 40px 64px 64px 64px;
  }

  .nostra-card {
    max-width: 500px;
    padding: 40px 36px;
  }
}

/* 2. Medium Desktops & Laptops (1025px - 1439px) */
@media screen and (max-width: 1439px) and (min-width: 1025px) {
  .nostra-content {
    padding: 32px 40px 48px 40px;
  }
}

/* 3. Tablets & Small Laptops (769px - 1024px) */
@media screen and (max-width: 1024px) and (min-width: 769px) {
  :root {
    --sidebar-width: 64px;
  }

  .nostra-content {
    padding: 24px 28px 40px 28px;
  }

  .nostra-header__title {
    font-size: 28px;
  }

  .nostra-card {
    max-width: 440px;
    padding: 30px 26px;
  }

  .nostra-card__illustration {
    max-width: 340px;
  }
}

/* 4. Mobile & Touch Devices (<= 768px) */
@media screen and (max-width: 768px) {
  body {
    overflow-x: hidden;
  }

  .nostra-banner {
    font-size: 12.5px;
    padding: 9px 14px;
    line-height: 1.4;
  }

  .nostra-layout {
    flex-direction: column;
    min-height: calc(100vh - 40px);
  }

  /* Fixed Bottom App Navigation */
  .nostra-sidebar {
    position: fixed;
    bottom: 0;
    left: 0;
    right: 0;
    width: 100%;
    height: calc(58px + env(safe-area-inset-bottom, 0px));
    padding: 6px 8px calc(6px + env(safe-area-inset-bottom, 0px)) 8px;
    background-color: rgba(10, 19, 38, 0.98);
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
    border-top: 1px solid rgba(255, 255, 255, 0.08);
    box-shadow: 0 -4px 20px rgba(0, 0, 0, 0.2);
    z-index: 90;
    flex-direction: row;
    justify-content: space-around;
    align-items: center;
  }

  .nostra-sidebar__top {
    flex-direction: row;
    justify-content: space-around;
    align-items: center;
    width: 100%;
    gap: 0;
  }

  .nostra-sidebar__nav {
    flex-direction: row;
    justify-content: space-around;
    align-items: center;
    width: 100%;
    gap: 0;
  }

  .nostra-sidebar__nav-item {
    width: 44px;
    height: 44px;
    border-radius: var(--radius-sm);
    -webkit-tap-highlight-color: transparent;
  }

  .nostra-sidebar__nav-item:active {
    background-color: rgba(255, 255, 255, 0.16);
    transform: scale(0.92);
  }

  .nostra-sidebar__brand,
  .nostra-sidebar__bottom,
  .nostra-sidebar__tooltip {
    display: none !important;
  }

  /* Mobile Content View */
  .nostra-content {
    padding: 16px 16px calc(76px + env(safe-area-inset-bottom, 0px)) 16px;
    min-height: auto;
  }

  .nostra-header {
    margin-bottom: 8px;
  }

  .nostra-header__mobile-logo {
    display: block;
  }

  .nostra-header__title {
    font-size: 24px;
    letter-spacing: -0.015em;
  }

  .nostra-header__actions .nostra-button--header {
    height: 36px;
    padding: 6px 18px;
    font-size: 13.5px;
  }

  /* Mobile Claim Section & Card */
  .nostra-claim-section {
    padding: 16px 0 24px 0;
    width: 100%;
  }

  .nostra-card {
    padding: 24px 20px 28px 20px;
    max-width: 100%;
    border-radius: 14px;
    gap: 20px;
    box-shadow: 0 4px 18px rgba(10, 19, 38, 0.05);
  }

  .nostra-card__illustration {
    padding-bottom: 0;
    max-width: 100%;
  }

  .nostra-card__svg-logo {
    max-width: 320px;
    width: 100%;
    height: auto;
    margin: 0 auto;
  }

  .nostra-card__title {
    font-size: 21px;
    line-height: 1.25;
  }

  .nostra-card__subtitle {
    font-size: 14px;
    line-height: 1.45;
  }

  .nostra-card__action {
    gap: 10px;
    margin-top: 8px;
  }

  .nostra-button--large {
    height: 48px;
    font-size: 15px;
    padding: 12px 20px;
    -webkit-tap-highlight-color: transparent;
  }

  /* Responsive Modal for Mobile */
  .nostra-modal-backdrop {
    padding: 12px;
    align-items: flex-end;
  }

  .nostra-modal {
    max-width: 100%;
    border-radius: 16px 16px 0 0;
    padding: 20px 18px calc(20px + env(safe-area-inset-bottom, 0px)) 18px;
    max-height: 85vh;
    overflow-y: auto;
  }

  .nostra-toast {
    bottom: calc(72px + env(safe-area-inset-bottom, 0px));
    right: 16px;
    left: 16px;
    justify-content: center;
  }
}

/* 5. Compact Mobile Screens (<= 420px) */
@media screen and (max-width: 420px) {
  .nostra-banner {
    font-size: 11.5px;
    padding: 7px 10px;
  }

  .nostra-header__title {
    font-size: 21px;
  }

  .nostra-card {
    padding: 20px 14px 24px 14px;
    border-radius: 12px;
    gap: 16px;
  }

  .nostra-card__title {
    font-size: 19px;
  }

  .nostra-card__subtitle {
    font-size: 13.5px;
  }

  .nostra-card__svg-logo {
    max-width: 280px;
  }

  .nostra-button--large {
    height: 46px;
    font-size: 14.5px;
  }

  .nostra-sidebar__nav-item {
    width: 38px;
    height: 38px;
  }

  .nostra-sidebar__icon {
    width: 18px;
    height: 18px;
  }
}