/* ============================================================
   NAMBAWIN — MAIN CSS (Global Styles)
   ============================================================ */

/* ---- Google Fonts & CSS Variables ---- */
@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700;800;900&family=Space+Grotesk:wght@400;500;600;700&display=swap');

/* Responsive utility */
.show-on-mobile { display: none; }

:root {
  /* Brand Colors */
  --color-primary:       #7c3aed;   /* Purple */
  --color-primary-light: #a78bfa;
  --color-primary-dark:  #5b21b6;
  --color-accent:        #f59e0b;   /* Gold/Amber */
  --color-accent-light:  #fcd34d;
  --color-success:       #10b981;   /* Green */
  --color-danger:        #ef4444;   /* Red */
  --color-warning:       #f59e0b;

  /* Background */
  --bg-base:     #0a0a0f;
  --bg-surface:  #111118;
  --bg-card:     #1a1a2e;
  --bg-card-2:   #16213e;
  --bg-border:   rgba(124, 58, 237, 0.15);

  /* Text */
  --text-primary:   #f1f5f9;
  --text-secondary: #94a3b8;
  --text-muted:     #475569;
  --text-accent:    #a78bfa;

  /* Gradients */
  --grad-primary:  linear-gradient(135deg, #7c3aed 0%, #a855f7 100%);
  --grad-gold:     linear-gradient(135deg, #f59e0b 0%, #fcd34d 100%);
  --grad-success:  linear-gradient(135deg, #10b981 0%, #34d399 100%);
  --grad-danger:   linear-gradient(135deg, #ef4444 0%, #f87171 100%);
  --grad-dark:     linear-gradient(135deg, #1a1a2e 0%, #16213e 100%);
  --grad-surface:  linear-gradient(180deg, #111118 0%, #0a0a0f 100%);

  /* Glassmorphism */
  --glass-bg:     rgba(255, 255, 255, 0.04);
  --glass-border: rgba(255, 255, 255, 0.08);
  --glass-blur:   blur(16px);

  /* Shadows */
  --shadow-sm:      0 2px 8px rgba(0,0,0,0.3);
  --shadow-md:      0 4px 20px rgba(0,0,0,0.4);
  --shadow-lg:      0 8px 40px rgba(0,0,0,0.5);
  --shadow-purple:  0 0 30px rgba(124,58,237,0.3);
  --shadow-gold:    0 0 30px rgba(245,158,11,0.3);
  --shadow-green:   0 0 30px rgba(16,185,129,0.3);

  /* Spacing */
  --space-xs:  4px;
  --space-sm:  8px;
  --space-md:  16px;
  --space-lg:  24px;
  --space-xl:  32px;
  --space-2xl: 48px;
  --space-3xl: 64px;

  /* Border Radius */
  --radius-sm:   8px;
  --radius-md:   12px;
  --radius-lg:   16px;
  --radius-xl:   24px;
  --radius-full: 9999px;

  /* Transitions */
  --trans-fast:   all 0.15s ease;
  --trans-normal: all 0.25s cubic-bezier(0.4, 0, 0.2, 1);
  --trans-slow:   all 0.4s cubic-bezier(0.4, 0, 0.2, 1);

  /* Font */
  --font-body:    'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
  --font-display: 'Space Grotesk', 'Inter', sans-serif;

  /* Sizes */
  --header-height: 70px;
  --container-max: 1280px;
}

/* ---- Reset & Base ---- */
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  scroll-behavior: smooth;
  -webkit-text-size-adjust: 100%;
}

body {
  font-family: var(--font-body);
  background-color: var(--bg-base);
  color: var(--text-primary);
  line-height: 1.6;
  min-height: 100vh;
  overflow-x: hidden;

  /* Animated background */
  background-image:
    radial-gradient(ellipse at 20% 20%, rgba(124,58,237,0.06) 0%, transparent 50%),
    radial-gradient(ellipse at 80% 80%, rgba(245,158,11,0.04) 0%, transparent 50%),
    radial-gradient(ellipse at 50% 50%, rgba(16,185,129,0.02) 0%, transparent 60%);
  background-attachment: fixed;
}

a {
  color: inherit;
  text-decoration: none;
}

img, svg {
  display: block;
  max-width: 100%;
}

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

input, textarea, select {
  font-family: inherit;
  font-size: inherit;
}

/* ---- Container ---- */
.container {
  width: 100%;
  max-width: var(--container-max);
  margin: 0 auto;
  padding: 0 var(--space-lg);
}

/* ============================================================
   HEADER
   ============================================================ */
.header {
  position: sticky;
  top: 0;
  z-index: 100;
  height: var(--header-height);
  background: rgba(10, 10, 15, 0.8);
  backdrop-filter: var(--glass-blur);
  -webkit-backdrop-filter: var(--glass-blur);
  border-bottom: 1px solid var(--glass-border);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 100%;
  max-width: var(--container-max);
  margin: 0 auto;
  padding: 0 var(--space-lg);
  gap: var(--space-md);
}

/* Brand */
.header-brand {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
}

.brand-logo {
  display: flex;
  align-items: center;
  gap: var(--space-xs);
}

.brand-icon {
  font-size: 1.5rem;
  animation: float 3s ease-in-out infinite;
}

.brand-name {
  font-family: var(--font-display);
  font-size: 1.4rem;
  font-weight: 700;
  letter-spacing: -0.02em;
  color: var(--text-primary);
}

.brand-accent {
  background: var(--grad-gold);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.brand-badge {
  padding: 2px 8px;
  background: var(--color-danger);
  border-radius: var(--radius-full);
  font-size: 0.65rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  color: white;
  animation: pulse-badge 2s ease-in-out infinite;
}

/* Navigation */
.header-nav {
  display: flex;
  align-items: center;
  gap: var(--space-xs);
}

.mobile-menu-btn {
  display: none;
  background: none;
  border: none;
  color: var(--text-primary);
  cursor: pointer;
  padding: 8px;
  margin-left: 8px;
}
.mobile-menu-btn svg {
  width: 24px;
  height: 24px;
}

.nav-link {
  padding: 6px 16px;
  border-radius: var(--radius-full);
  font-size: 0.9rem;
  font-weight: 500;
  color: var(--text-secondary);
  transition: var(--trans-fast);
}

.nav-link:hover,
.nav-link.active {
  background: var(--glass-bg);
  color: var(--text-primary);
}

.nav-link.active {
  color: var(--color-primary-light);
}

/* User Info */
.header-user {
  display: flex;
  align-items: center;
}

.user-info {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
}

.user-balance-wrap {
  display: flex;
  flex-direction: column;
  align-items: flex-end;
  background: rgba(255, 255, 255, 0.1);
  padding: 4px 10px;
  border-radius: 8px;
  border: 1px solid rgba(255, 255, 255, 0.15);
}

.balance-label {
  font-size: 0.65rem;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.user-balance {
  font-family: var(--font-display);
  font-size: 0.95rem;
  font-weight: 700;
  color: #FFFFFF;
  letter-spacing: -0.01em;
  transition: var(--trans-normal);
}

.user-balance.updating {
  animation: balance-update 0.5s ease;
}

.user-avatar {
  width: 36px;
  height: 36px;
  border-radius: 50%;
  background: var(--grad-primary);
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 700;
  font-size: 0.9rem;
  color: white;
  cursor: pointer;
  border: 2px solid transparent;
  transition: var(--trans-fast);
}

.user-avatar:hover {
  border-color: var(--color-primary-light);
  box-shadow: var(--shadow-purple);
}

.btn-logout {
  width: 32px;
  height: 32px;
  border-radius: 50%;
  background: var(--glass-bg);
  border: 1px solid var(--glass-border);
  color: var(--text-secondary);
  font-size: 0.85rem;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: var(--trans-fast);
}

.btn-logout:hover {
  background: rgba(239,68,68,0.15);
  border-color: var(--color-danger);
  color: var(--color-danger);
}

.auth-buttons {
  display: flex;
  gap: var(--space-sm);
}

/* ============================================================
   BUTTONS
   ============================================================ */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-xs);
  padding: 10px 20px;
  border-radius: var(--radius-md);
  font-weight: 600;
  font-size: 0.9rem;
  transition: var(--trans-normal);
  cursor: pointer;
  border: none;
  white-space: nowrap;
}

.btn:disabled {
  opacity: 0.4;
  cursor: not-allowed;
  transform: none !important;
}

.btn-primary {
  background: var(--grad-primary);
  color: white;
  box-shadow: 0 4px 15px rgba(124,58,237,0.4);
}

.btn-primary:hover:not(:disabled) {
  transform: translateY(-2px);
  box-shadow: 0 6px 20px rgba(124,58,237,0.5);
}

.btn-ghost {
  background: var(--glass-bg);
  border: 1px solid var(--glass-border);
  color: var(--text-secondary);
}

.btn-ghost:hover:not(:disabled) {
  background: rgba(255,255,255,0.08);
  color: var(--text-primary);
  border-color: rgba(255,255,255,0.15);
}

/* ============================================================
   TOAST NOTIFICATIONS
   ============================================================ */
.toast-container {
  position: fixed;
  top: calc(var(--header-height) + 16px);
  right: 16px;
  z-index: 1000;
  display: flex;
  flex-direction: column;
  gap: var(--space-sm);
  pointer-events: none;
}

.toast {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
  padding: 12px 16px;
  border-radius: var(--radius-md);
  backdrop-filter: var(--glass-blur);
  border: 1px solid var(--glass-border);
  max-width: 340px;
  min-width: 240px;
  pointer-events: all;
  animation: toast-in 0.35s cubic-bezier(0.34, 1.56, 0.64, 1) forwards;
  position: relative;
  overflow: hidden;
}

.toast::before {
  content: '';
  position: absolute;
  left: 0; top: 0; bottom: 0;
  width: 3px;
}

.toast-success {
  background: rgba(16, 185, 129, 0.15);
  border-color: rgba(16, 185, 129, 0.3);
}
.toast-success::before { background: var(--color-success); }

.toast-error {
  background: rgba(239, 68, 68, 0.15);
  border-color: rgba(239, 68, 68, 0.3);
}
.toast-error::before { background: var(--color-danger); }

.toast-info {
  background: rgba(124, 58, 237, 0.15);
  border-color: rgba(124, 58, 237, 0.3);
}
.toast-info::before { background: var(--color-primary); }

.toast-warning {
  background: rgba(245, 158, 11, 0.15);
  border-color: rgba(245, 158, 11, 0.3);
}
.toast-warning::before { background: var(--color-warning); }

.toast-icon { font-size: 1.2rem; flex-shrink: 0; }
.toast-message {
  font-size: 0.875rem;
  font-weight: 500;
  color: var(--text-primary);
  line-height: 1.4;
}

.toast.toast-out {
  animation: toast-out 0.25s ease forwards;
}

/* ============================================================
   LOADING SPINNER
   ============================================================ */
.loading-spinner {
  width: 24px;
  height: 24px;
  border: 2px solid var(--glass-border);
  border-top-color: var(--color-primary);
  border-radius: 50%;
  animation: spin 0.8s linear infinite;
}

/* ============================================================
   FOOTER
   ============================================================ */
.footer {
  margin-top: var(--space-3xl);
  border-top: 1px solid var(--glass-border);
  padding: var(--space-xl) 0;
}

.footer-inner {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--space-sm);
  text-align: center;
}

.footer-tagline {
  color: var(--text-secondary);
  font-size: 0.9rem;
}

.footer-disclaimer {
  color: var(--text-muted);
  font-size: 0.75rem;
}

/* ============================================================
   KEYFRAME ANIMATIONS
   ============================================================ */
@keyframes float {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-4px); }
}

@keyframes pulse-badge {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.7; }
}

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

@keyframes toast-in {
  from { opacity: 0; transform: translateX(100%); }
  to   { opacity: 1; transform: translateX(0); }
}

@keyframes toast-out {
  from { opacity: 1; transform: translateX(0); }
  to   { opacity: 0; transform: translateX(100%); }
}

@keyframes balance-update {
  0%   { transform: scale(1); }
  50%  { transform: scale(1.2); color: var(--color-success); }
  100% { transform: scale(1); }
}

@keyframes number-win {
  0%   { transform: scale(1); }
  30%  { transform: scale(1.3); }
  60%  { transform: scale(0.95); }
  100% { transform: scale(1); }
}

@keyframes shake {
  0%, 100% { transform: translateX(0); }
  20%       { transform: translateX(-6px); }
  40%       { transform: translateX(6px); }
  60%       { transform: translateX(-4px); }
  80%       { transform: translateX(4px); }
}

@keyframes confetti-fall {
  0%   { transform: translateY(-20px) rotate(0deg); opacity: 1; }
  100% { transform: translateY(200px) rotate(720deg); opacity: 0; }
}

@keyframes result-in {
  from { opacity: 0; transform: scale(0.8) translateY(20px); }
  to   { opacity: 1; transform: scale(1) translateY(0); }
}

@keyframes glow-pulse {
  0%, 100% { box-shadow: 0 0 20px rgba(124,58,237,0.3); }
  50%       { box-shadow: 0 0 40px rgba(124,58,237,0.6); }
}

/* ============================================================
   SCROLLBAR
   ============================================================ */
::-webkit-scrollbar { width: 6px; }
::-webkit-scrollbar-track { background: var(--bg-base); }
::-webkit-scrollbar-thumb { background: var(--bg-card); border-radius: 3px; }
::-webkit-scrollbar-thumb:hover { background: var(--color-primary-dark); }

/* ============================================================
   RESPONSIVE
   ============================================================ */
@media (max-width: 768px) {
  :root { --header-height: 60px; }
  
  /* Brand */
  .brand-name { font-size: 1.2rem; }
  .container { padding: 0 var(--space-md); }
  
  /* Header UI */
  .hide-on-mobile { display: none !important; }
  .show-on-mobile { display: inline !important; }
  .mobile-menu-btn { display: flex; align-items: center; justify-content: center; }
  
  /* Mobile Navigation Drawer */
  .header-nav {
    position: fixed;
    top: var(--header-height);
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(10, 10, 15, 0.95);
    backdrop-filter: var(--glass-blur);
    -webkit-backdrop-filter: var(--glass-blur);
    flex-direction: column;
    align-items: center;
    justify-content: flex-start;
    padding: var(--space-2xl) var(--space-lg);
    gap: var(--space-lg);
    transform: translateY(-150%);
    opacity: 0;
    pointer-events: none;
    transition: var(--trans-normal);
    z-index: 99;
  }
  
  .header-nav.active {
    transform: translateY(0);
    opacity: 1;
    pointer-events: all;
  }
  
  .nav-link {
    font-size: 1.2rem;
    padding: 12px 24px;
    width: 100%;
    text-align: center;
  }
}

/* ============================================================
   AUTH MODAL STYLES
   ============================================================ */
.auth-modal-overlay {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: rgba(10, 10, 15, 0.8);
  backdrop-filter: var(--glass-blur);
  -webkit-backdrop-filter: var(--glass-blur);
  z-index: 9999;
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.3s ease;
  padding: 20px;
}

.auth-modal-overlay.active {
  opacity: 1;
  pointer-events: all;
}

.auth-modal-content {
  background: var(--bg-card);
  border: 1px solid var(--bg-border);
  border-radius: var(--radius-xl);
  width: 100%;
  max-width: 420px;
  box-shadow: var(--shadow-purple);
  transform: translateY(30px);
  opacity: 0;
  transition: all 0.4s cubic-bezier(0.175, 0.885, 0.32, 1.275);
  position: relative;
  max-height: 90vh;
  overflow-y: auto;
}

.auth-modal-overlay.active .auth-modal-content {
  transform: translateY(0);
  opacity: 1;
}

.auth-modal-close {
  position: absolute;
  top: 16px;
  right: 16px;
  background: rgba(255,255,255,0.1);
  border: none;
  color: var(--text-secondary);
  width: 32px;
  height: 32px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  transition: var(--trans-fast);
  z-index: 10;
}

.auth-modal-close:hover {
  background: rgba(239, 68, 68, 0.2);
  color: var(--color-danger);
}

.auth-modal-header {
  padding: 32px 32px 0;
  text-align: center;
}

.auth-modal-tabs {
  display: flex;
  border-bottom: 1px solid var(--glass-border);
  margin: 24px 32px 0;
}

.auth-modal-tab {
  flex: 1;
  text-align: center;
  padding: 12px;
  font-weight: 600;
  color: var(--text-secondary);
  cursor: pointer;
  transition: var(--trans-fast);
  border-bottom: 2px solid transparent;
}

.auth-modal-tab.active {
  color: var(--color-primary);
  border-bottom-color: var(--color-primary);
}

.amount-chip {
  flex: 1 1 calc(33.333% - 8px);
  padding: 8px;
  background: rgba(255,255,255,0.05);
  border: 1px solid rgba(255,255,255,0.1);
  border-radius: 8px;
  color: #f1f5f9;
  font-family: 'Oswald', sans-serif;
  font-size: 1rem;
  cursor: pointer;
  transition: all 0.2s ease;
}
.amount-chip:hover {
  background: rgba(16,185,129,0.15);
  border-color: rgba(16,185,129,0.4);
  color: #10b981;
}
.amount-chip:active {
  transform: scale(0.95);
}

.loading-spinner {
  border: 3px solid rgba(255,255,255,0.1);
  border-radius: 50%;
  border-top: 3px solid var(--color-primary);
  width: 24px;
  height: 24px;
  animation: spin 1s linear infinite;
}
@keyframes spin {
  0% { transform: rotate(0deg); }
  100% { transform: rotate(360deg); }
}

.auth-modal-body {
  padding: 24px 32px 32px;
}

.auth-form { display: none; }
.auth-form.active { display: block; }

.form-group { margin-bottom: 20px; }
.form-label {
  display: block;
  font-size: 0.8rem;
  font-weight: 600;
  color: var(--text-secondary);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  margin-bottom: 8px;
}

.form-input {
  width: 100%;
  background: var(--bg-surface);
  border: 1px solid var(--glass-border);
  border-radius: var(--radius-md);
  padding: 12px 16px;
  font-size: 0.95rem;
  color: var(--text-primary);
  transition: var(--trans-fast);
  outline: none;
}

.form-input:focus {
  border-color: var(--color-primary-light);
  box-shadow: 0 0 0 3px rgba(124,58,237,0.1);
}
.form-input::placeholder { color: var(--text-muted); }

.btn-auth {
  width: 100%;
  padding: 14px;
  font-size: 1rem;
  margin-top: 8px;
}

.auth-divider {
  text-align: center;
  font-size: 0.85rem;
  color: var(--text-muted);
  margin-top: 20px;
}

.form-error {
  padding: 10px 14px;
  background: rgba(239,68,68,0.1);
  border: 1px solid rgba(239,68,68,0.3);
  border-radius: var(--radius-sm);
  color: var(--color-danger);
  font-size: 0.85rem;
  margin-bottom: 16px;
  display: none;
}

.form-success {
  padding: 10px 14px;
  background: rgba(16,185,129,0.1);
  border: 1px solid rgba(16,185,129,0.3);
  border-radius: var(--radius-sm);
  color: var(--color-success);
  font-size: 0.85rem;
  margin-bottom: 16px;
  display: none;
}

/* ============================================================
   BOTTOM NAVIGATION
   ============================================================ */
.bottom-nav {
  position: fixed;
  bottom: 0;
  left: 0;
  right: 0;
  height: 68px;
  background: rgba(8, 8, 20, 0.96);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border-top: 1px solid rgba(255,255,255,0.07);
  display: flex;
  align-items: stretch;
  justify-content: space-around;
  z-index: 1000;
  box-shadow: 0 -4px 30px rgba(0,0,0,0.5);
  padding-bottom: env(safe-area-inset-bottom, 0px);
}

/* Purple glow line on top */
.bottom-nav::before {
  content: '';
  position: absolute;
  top: 0; left: 20%; right: 20%;
  height: 1px;
  background: linear-gradient(90deg, transparent, rgba(139,92,246,0.7), transparent);
}

.bnav-item {
  flex: 1;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 4px;
  text-decoration: none;
  color: #475569;
  transition: all 0.22s cubic-bezier(0.4, 0, 0.2, 1);
  position: relative;
  cursor: pointer;
}

.bnav-item:hover {
  color: #94a3b8;
}

/* Active indicator dot above icon */
.bnav-item.active::before {
  content: '';
  position: absolute;
  top: 0;
  left: 50%;
  transform: translateX(-50%);
  width: 36px;
  height: 2px;
  border-radius: 0 0 4px 4px;
  background: linear-gradient(90deg, #7c3aed, #a855f7);
  box-shadow: 0 0 10px rgba(139,92,246,0.8);
}

.bnav-item.active {
  color: #a78bfa;
}

.bnav-item.active .bnav-icon {
  background: rgba(124,58,237,0.15);
  border-radius: 12px;
}

.bnav-icon {
  width: 36px;
  height: 28px;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all 0.2s;
}

.bnav-icon svg {
  width: 20px;
  height: 20px;
}

.bnav-label {
  font-size: 0.65rem;
  font-weight: 600;
  letter-spacing: 0.5px;
  text-transform: uppercase;
}

/* Add padding to body so content isn't hidden behind nav */
body {
  padding-bottom: 68px;
}

/* Account section placeholder */
#account-section {
  display: none;
  min-height: 80vh;
  align-items: center;
  justify-content: center;
  padding: 3rem 1rem;
}