/* Global & Shell Layout Styles */
@import './variables.css';

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

html, body {
  width: 100%;
  height: 100%;
  background-color: var(--bg-primary);
  color: var(--text-primary);
  font-family: var(--font-main);
  overflow-x: hidden;
  user-select: none;
  -webkit-font-smoothing: antialiased;
}

/* Outer desktop wrapper with optional mobile frame centering */
#app-root {
  min-height: 100vh;
  display: flex;
  justify-content: center;
  align-items: stretch;
  background: radial-gradient(circle at 50% 10%, #151F33 0%, #090D16 80%);
}

.mobile-shell {
  width: 100%;
  max-width: var(--max-app-width);
  min-height: 100vh;
  background-color: var(--bg-primary);
  display: flex;
  flex-direction: column;
  position: relative;
  box-shadow: 0 0 50px rgba(0, 0, 0, 0.6);
  border-left: 1px solid var(--border-subtle);
  border-right: 1px solid var(--border-subtle);
  overflow-x: hidden;
}

/* =========================================================
   SPLASH SCREEN
========================================================= */
.splash-screen {
  position: fixed;
  inset: 0;
  z-index: 9999;
  background: #090D16;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  transition: opacity 0.5s ease, visibility 0.5s ease;
}

.splash-screen.fade-out {
  opacity: 0;
  visibility: hidden;
  pointer-events: none;
}

.splash-logo-wrap {
  position: relative;
  width: 110px;
  height: 110px;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 24px;
}

.splash-logo {
  width: 100%;
  height: 100%;
  object-fit: contain;
  border-radius: var(--radius-lg);
  filter: drop-shadow(0 0 25px rgba(0, 230, 118, 0.5));
  animation: pulse-logo 2s infinite ease-in-out;
}

.splash-title {
  font-size: 28px;
  font-weight: 800;
  letter-spacing: -0.5px;
  background: linear-gradient(135deg, #FFFFFF 30%, #00E676 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  margin-bottom: 8px;
}

.splash-credit {
  font-size: 13px;
  color: var(--color-gold);
  font-weight: 600;
  letter-spacing: 0.5px;
  text-transform: uppercase;
  margin-bottom: 30px;
}

.splash-loader {
  width: 44px;
  height: 44px;
  border: 3px solid rgba(255, 255, 255, 0.1);
  border-top-color: var(--color-buy);
  border-radius: 50%;
  animation: spin 0.8s linear infinite;
}

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

@keyframes pulse-logo {
  0%, 100% { transform: scale(1); filter: drop-shadow(0 0 20px rgba(0, 230, 118, 0.4)); }
  50% { transform: scale(1.04); filter: drop-shadow(0 0 32px rgba(0, 230, 118, 0.7)); }
}

/* =========================================================
   HEADER
========================================================= */
.app-header {
  height: var(--header-height);
  padding: 0 16px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  background: var(--bg-glass);
  backdrop-filter: blur(16px);
  position: sticky;
  top: 0;
  z-index: 100;
  border-bottom: 1px solid var(--border-subtle);
}

.header-brand {
  display: flex;
  align-items: center;
  gap: 10px;
  cursor: pointer;
}

.header-logo {
  width: 36px;
  height: 36px;
  border-radius: var(--radius-sm);
  object-fit: cover;
  border: 1px solid rgba(0, 230, 118, 0.3);
}

.header-title-box {
  display: flex;
  flex-direction: column;
}

.header-app-name {
  font-size: 16px;
  font-weight: 800;
  color: var(--text-primary);
  line-height: 1.2;
}

.header-dev-credit {
  font-size: 10px;
  font-weight: 700;
  color: var(--color-gold);
  letter-spacing: 0.3px;
}

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

.header-btn {
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  color: var(--text-primary);
  width: 36px;
  height: 36px;
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  font-size: 15px;
  transition: all var(--transition-fast);
}

.header-btn:hover, .header-btn:focus-visible {
  background: var(--bg-card-hover);
  border-color: var(--color-accent);
  outline: none;
}

.header-lang-btn {
  font-size: 11px;
  font-weight: 700;
  width: auto;
  padding: 0 9px;
  gap: 4px;
  color: var(--color-accent);
}

/* =========================================================
   MAIN VIEW CONTAINER
========================================================= */
.main-content {
  flex: 1;
  padding: 16px;
  padding-bottom: calc(var(--nav-height) + 24px);
  overflow-y: auto;
}

.view-pane {
  display: none;
  animation: fadeIn 0.25s ease;
}

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

@keyframes fadeIn {
  from { opacity: 0; transform: translateY(6px); }
  to { opacity: 1; transform: translateY(0); }
}

/* =========================================================
   BOTTOM NAVIGATION
========================================================= */
.app-bottom-nav {
  position: fixed;
  bottom: 0;
  left: 50%;
  transform: translateX(-50%);
  width: 100%;
  max-width: var(--max-app-width);
  height: var(--nav-height);
  background: var(--bg-glass);
  backdrop-filter: blur(20px);
  border-top: 1px solid var(--border-subtle);
  display: flex;
  align-items: center;
  justify-content: space-around;
  z-index: 100;
  padding-bottom: env(safe-area-inset-bottom, 0);
}

.nav-item {
  flex: 1;
  height: 100%;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  background: none;
  border: none;
  color: var(--text-secondary);
  font-size: 10px;
  font-weight: 600;
  gap: 4px;
  cursor: pointer;
  transition: color var(--transition-fast);
  position: relative;
}

.nav-icon {
  font-size: 18px;
  line-height: 1;
  transition: transform var(--transition-fast);
}

.nav-item.active {
  color: var(--color-buy);
}

.nav-item.active .nav-icon {
  transform: scale(1.15);
}

.nav-item.active::before {
  content: '';
  position: absolute;
  top: 0;
  width: 24px;
  height: 3px;
  background: var(--color-buy);
  border-radius: var(--radius-full);
  box-shadow: 0 0 10px var(--color-buy);
}

/* =========================================================
   TOAST NOTIFICATIONS
========================================================= */
.toast-container {
  position: fixed;
  top: calc(var(--header-height) + 12px);
  left: 50%;
  transform: translateX(-50%);
  width: 90%;
  max-width: 440px;
  z-index: 9990;
  display: flex;
  flex-direction: column;
  gap: 10px;
  pointer-events: none;
}

.gp-toast {
  pointer-events: auto;
  background: rgba(15, 23, 42, 0.95);
  backdrop-filter: blur(16px);
  border: 1px solid var(--border-card);
  border-radius: var(--radius-md);
  padding: 12px 14px;
  display: flex;
  align-items: flex-start;
  gap: 12px;
  box-shadow: var(--shadow-lg);
  animation: toastSlideIn 0.3s cubic-bezier(0.16, 1, 0.3, 1);
  transition: opacity 0.25s ease, transform 0.25s ease;
}

.gp-toast.fade-out {
  opacity: 0;
  transform: translateY(-10px);
}

@keyframes toastSlideIn {
  from { opacity: 0; transform: translateY(-15px); }
  to { opacity: 1; transform: translateY(0); }
}

.gp-toast-icon {
  font-size: 20px;
  flex-shrink: 0;
  margin-top: 1px;
}

.gp-toast-content {
  flex: 1;
}

.gp-toast-title {
  font-size: 13px;
  font-weight: 700;
  color: var(--text-primary);
  display: block;
  margin-bottom: 2px;
}

.gp-toast-desc {
  font-size: 12px;
  color: var(--text-secondary);
  line-height: 1.35;
}

.gp-toast-close {
  background: none;
  border: none;
  color: var(--text-muted);
  font-size: 18px;
  cursor: pointer;
  padding: 0 4px;
}

.gp-toast-success { border-left: 4px solid var(--color-buy); }
.gp-toast-error { border-left: 4px solid var(--color-sell); }
.gp-toast-buy { border-left: 4px solid var(--color-buy); }
.gp-toast-sell { border-left: 4px solid var(--color-sell); }

/* =========================================================
   COMPLIANCE & RISK MODAL
========================================================= */
.risk-modal-overlay {
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.85);
  backdrop-filter: blur(10px);
  z-index: 9995;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 20px;
}

.risk-modal {
  background: #0F172A;
  border: 1px solid var(--color-hold);
  border-radius: var(--radius-lg);
  padding: 24px;
  max-width: 440px;
  box-shadow: 0 0 40px rgba(245, 158, 11, 0.2);
  text-align: center;
  animation: modalPop 0.3s cubic-bezier(0.16, 1, 0.3, 1);
}

@keyframes modalPop {
  from { opacity: 0; transform: scale(0.92); }
  to { opacity: 1; transform: scale(1); }
}

.risk-modal-icon {
  font-size: 44px;
  margin-bottom: 12px;
}

.risk-modal-title {
  font-size: 19px;
  font-weight: 800;
  color: #FFFFFF;
  margin-bottom: 12px;
}

.risk-modal-body {
  font-size: 13px;
  color: var(--text-secondary);
  line-height: 1.5;
  margin-bottom: 20px;
  text-align: left;
}

.risk-modal-btn {
  width: 100%;
  padding: 14px;
  background: var(--color-buy);
  color: var(--text-inverse);
  font-weight: 800;
  font-size: 14px;
  border: none;
  border-radius: var(--radius-md);
  cursor: pointer;
  box-shadow: var(--shadow-neon-buy);
  transition: transform var(--transition-fast);
}

.risk-modal-btn:hover {
  transform: translateY(-1px);
}

/* =========================================================
   RESPONSIVE DESIGN ACROSS ALL DEVICES (MOBILE, TABLET, DESKTOP)
========================================================= */
@media (min-width: 768px) {
  :root {
    --max-app-width: 960px;
  }
  
  .mobile-shell {
    margin: 16px auto;
    border-radius: var(--radius-lg);
    min-height: calc(100vh - 32px);
    border: 1px solid var(--border-card);
    box-shadow: 0 10px 40px rgba(0, 0, 0, 0.7);
  }

  .predictions-list {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 14px;
  }

  .main-content {
    padding: 18px 24px 90px 24px;
  }

  .app-header {
    padding: 0 24px;
  }
}

@media (min-width: 1100px) {
  :root {
    --max-app-width: 1140px;
  }

  .predictions-list {
    grid-template-columns: repeat(3, 1fr);
  }
}