/* ==============================================================================
   APPLE CUPERTINO DESIGN SYSTEM (HIG SPECIFICATIONS)
   ============================================================================== */

:root {
  --apple-font: "Inter", -apple-system, BlinkMacSystemFont, "SF Pro Display", "SF Pro Text", system-ui, sans-serif;
  --apple-mono: "JetBrains Mono", "SF Mono", Menlo, Consolas, monospace;
  --cupertino-accent: #33D17A;
  --cupertino-accent-hover: #2ec16f;
  
  /* Cupertino Atmosphere */
  --cupertino-canvas: #f5f5f7;
  --cupertino-glass: rgba(255, 255, 255, 0.78);
  --cupertino-glass-card: rgba(255, 255, 255, 0.88);
  --cupertino-border: rgba(0, 0, 0, 0.07);
  --cupertino-border-glass: rgba(255, 255, 255, 0.7);
  --cupertino-shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.04), 0 1px 2px rgba(0, 0, 0, 0.02);
  --cupertino-shadow-card: 0 4px 20px -2px rgba(0, 0, 0, 0.04), 0 2px 6px -1px rgba(0, 0, 0, 0.02);
  --cupertino-shadow-modal: 0 24px 64px -12px rgba(0, 0, 0, 0.16), 0 0 0 1px rgba(0, 0, 0, 0.05);
  
  --cupertino-text-primary: #1d1d1f;
  --cupertino-text-secondary: #86868b;
  --cupertino-text-tertiary: #a1a1a6;
}

/* Base Body with Cupertino Typography */
body {
  font-family: var(--apple-font) !important;
  background-color: var(--cupertino-canvas) !important;
  color: var(--cupertino-text-primary) !important;
  -webkit-font-smoothing: antialiased !important;
  -moz-osx-font-smoothing: grayscale !important;
  letter-spacing: -0.014em !important;
  font-size: 16px !important;
  line-height: 1.47059 !important;
}


/* ==============================================================================
   PROPORTIONAL & SPACIOUS APPLE NAVBAR
   ============================================================================== */
body {
  padding-top: 76px !important;
}

.navbar {
  height: auto !important;
  min-height: 68px !important;
  padding: 10px 0 !important;
  background: rgba(245, 245, 247, 0.88) !important;
  backdrop-filter: blur(25px) saturate(180%) !important;
  -webkit-backdrop-filter: blur(25px) saturate(180%) !important;
  border-bottom: 1px solid rgba(0, 0, 0, 0.08) !important;
  box-shadow: 0 1px 3px rgba(0, 0, 0, 0.03) !important;
}

.navbar .container {
  display: flex !important;
  align-items: center !important;
}

.navbar-brand {
  font-family: var(--apple-font) !important;
  font-size: 18px !important;
  font-weight: 700 !important;
  letter-spacing: -0.025em !important;
  color: #1d1d1f !important;
  display: flex !important;
  align-items: center !important;
  gap: 10px !important;
  margin-right: 28px !important;
}

.navbar .nav-link {
  font-size: 14.5px !important;
  font-weight: 500 !important;
  color: #6e6e73 !important;
  padding: 8px 16px !important;
  border-radius: 980px !important;
  transition: all 0.15s ease !important;
}

.navbar .nav-link:hover {
  color: #1d1d1f !important;
  background: rgba(0, 0, 0, 0.05) !important;
}

.navbar .nav-link.active {
  color: #1d1d1f !important;
  background: rgba(0, 0, 0, 0.06) !important;
  font-weight: 600 !important;
}

.nav-btn-register {
  font-size: 14.5px !important;
  font-weight: 500 !important;
  color: #6e6e73 !important;
  padding: 8px 18px !important;
}

.nav-btn-register:hover {
  color: #1d1d1f !important;
}

.nav-btn-login {
  background: #33D17A !important;
  border: none !important;
  border-radius: 980px !important;
  font-size: 14px !important;
  font-weight: 600 !important;
  padding: 8px 22px !important;
  color: #06140b !important;
  box-shadow: 0 2px 6px rgba(51, 209, 122, 0.28) !important;
  transition: all 0.15s ease !important;
}

.nav-btn-login:hover {
  background: #2ec16f !important;
  transform: translateY(-1px) !important;
  box-shadow: 0 4px 14px rgba(51, 209, 122, 0.38) !important;
}

/* ==============================================================================
   2. CUPERTINO TYPOGRAPHY HEADINGS
   ============================================================================== */
h1, h2, h3, .jumbotron h1 {
  font-family: var(--apple-font) !important;
  color: var(--cupertino-text-primary) !important;
  letter-spacing: -0.035em !important;
  font-weight: 600 !important;
}

h1, .jumbotron h1 {
  font-size: 32px !important;
  line-height: 1.15 !important;
}

.jumbotron {
  background: transparent !important;
  border: none !important;
  padding: 44px 0 20px 0 !important;
  margin: 0 !important;
  text-align: center !important;
}

.jumbotron .lead {
  font-size: 15px !important;
  color: var(--cupertino-text-secondary) !important;
  font-weight: 400 !important;
  max-width: 520px !important;
  margin: 8px auto 0 !important;
  line-height: 1.45 !important;
}


/* Crisp Solid Cards (Fixing GPU font blur caused by backdrop-filter) */
.card, .bg-body-tertiary {
  background: #ffffff !important;
  backdrop-filter: none !important;
  -webkit-backdrop-filter: none !important;
  border: 1px solid rgba(0, 0, 0, 0.08) !important;
  border-radius: 18px !important;
  box-shadow: 0 2px 12px rgba(0, 0, 0, 0.04) !important;
  color: #1d1d1f !important;
  transform: none !important;
}


.card-header {
  background: transparent !important;
  border-bottom: 1px solid var(--cupertino-border) !important;
  padding: 16px 20px !important;
  font-size: 13.5px !important;
  font-weight: 600 !important;
  color: var(--cupertino-text-primary) !important;
}

/* ==============================================================================
   4. CUPERTINO BUTTONS (Apple 980px Pill with Micro Inset Glow)
   ============================================================================== */
.btn-primary, .btn-apple-primary {
  background-color: var(--cupertino-accent) !important;
  border: none !important;
  border-radius: 980px !important;
  font-size: 13.5px !important;
  font-weight: 600 !important;
  letter-spacing: -0.015em !important;
  padding: 10px 22px !important;
  color: #04160c !important;
  box-shadow: 0 1px 2px rgba(0, 0, 0, 0.08), inset 0 1px 0 rgba(255, 255, 255, 0.35) !important;
  transition: all 0.2s cubic-bezier(0.25, 0.1, 0.25, 1) !important;
}

.btn-primary:hover, .btn-apple-primary:hover {
  background-color: var(--cupertino-accent-hover) !important;
  transform: scale(1.015) !important;
  box-shadow: 0 4px 12px rgba(51, 209, 122, 0.25), inset 0 1px 0 rgba(255, 255, 255, 0.4) !important;
}

.btn-primary:active, .btn-apple-primary:active {
  transform: scale(0.985) !important;
}

/* ==============================================================================
   5. CUPERTINO FORM CONTROLS (Soft Inset Inputs)
   ============================================================================== */
.form-control, .form-select, .auth-input, .challenge-input {
  background: rgba(0, 0, 0, 0.035) !important;
  border: 1px solid rgba(0, 0, 0, 0.09) !important;
  border-radius: 12px !important;
  padding: 11px 14px !important;
  font-size: 15px !important;
  color: var(--cupertino-text-primary) !important;
  transition: all 0.2s cubic-bezier(0.25, 0.1, 0.25, 1) !important;
}

.form-control:focus, .form-select:focus, .auth-input:focus, .challenge-input:focus {
  background: #ffffff !important;
  border-color: var(--cupertino-accent) !important;
  box-shadow: 0 0 0 3.5px rgba(51, 209, 122, 0.18) !important;
  outline: none !important;
}

/* ==============================================================================
   6. CUPERTINO SEGMENTED CONTROL (Tabs in Modals & Settings)
   ============================================================================== */
.nav-tabs, .modal-body .nav-tabs {
  background: rgba(0, 0, 0, 0.05) !important;
  padding: 3px !important;
  border-radius: 10px !important;
  border: none !important;
  display: inline-flex !important;
  gap: 2px !important;
}

.nav-tabs .nav-link, .modal-body .nav-tabs .nav-link {
  border: none !important;
  border-radius: 8px !important;
  padding: 5px 14px !important;
  font-size: 14.5px !important;
  font-weight: 500 !important;
  color: var(--cupertino-text-secondary) !important;
  background: transparent !important;
  transition: all 0.2s cubic-bezier(0.25, 0.1, 0.25, 1) !important;
}

.nav-tabs .nav-link.active, .modal-body .nav-tabs .nav-link.active {
  background: #ffffff !important;
  color: var(--cupertino-text-primary) !important;
  font-weight: 600 !important;
  box-shadow: 0 1px 3px rgba(0, 0, 0, 0.1), 0 0.5px 1px rgba(0, 0, 0, 0.06) !important;
}

/* Modal Popup Cupertino Spec */
.modal-content {
  background: rgba(255, 255, 255, 0.94) !important;
  backdrop-filter: blur(40px) saturate(190%) !important;
  -webkit-backdrop-filter: blur(40px) saturate(190%) !important;
  border: 1px solid rgba(255, 255, 255, 0.8) !important;
  border-radius: 24px !important;
  box-shadow: var(--cupertino-shadow-modal) !important;
}

/* ==============================================================================
   7. CHALLENGE CARDS (Cupertino Interactive Tiles)
   ============================================================================== */
.challenge-card {
  background: #ffffff !important;
  border: 1px solid rgba(0, 0, 0, 0.06) !important;
  border-radius: 16px !important;
  padding: 16px !important;
  box-shadow: var(--cupertino-shadow-sm) !important;
  transition: all 0.25s cubic-bezier(0.25, 0.1, 0.25, 1) !important;
  cursor: pointer !important;
}

.challenge-card:hover:not(.challenge-solved) {
  transform: translateY(-2px) !important;
  border-color: rgba(0, 0, 0, 0.12) !important;
  box-shadow: 0 8px 24px -4px rgba(0, 0, 0, 0.08) !important;
}

.challenge-solved {
  opacity: 0.65 !important;
  background: rgba(245, 245, 247, 0.7) !important;
}

/* ==============================================================================
   8. CUPERTINO AUTH PAGE (LOGIN & REGISTER)
   ============================================================================== */
.auth-page {
  background: var(--cupertino-canvas) !important;
}

.auth-container {
  max-width: 500px !important;
  width: 100% !important;
}

.auth-content {
  background: #ffffff !important;
  border: 1px solid rgba(0, 0, 0, 0.06) !important;
  border-radius: 24px !important;
  padding: 34px 30px !important;
  box-shadow: 0 12px 36px -4px rgba(0, 0, 0, 0.08), 0 0 1px 0 rgba(0, 0, 0, 0.04) !important;
}

.auth-heading {
  font-size: 26px !important;
  font-weight: 700 !important;
  letter-spacing: -0.035em !important;
  color: var(--cupertino-text-primary) !important;
}

.auth-subheading {
  font-size: 13.5px !important;
  color: var(--cupertino-text-secondary) !important;
}

/* ==============================================================================
   9. CUPERTINO MINIMAL FOOTER
   ============================================================================== */
.footer {
  background: transparent !important;
  border-top: 1px solid var(--cupertino-border) !important;
  padding: 24px 0 !important;
}

.footer-text {
  font-size: 15px !important;
  color: var(--cupertino-text-tertiary) !important;
  letter-spacing: -0.01em !important;
}


/* ==============================================================================
   OLYMPIC 3D-STEP PODIUM (SCOREBOARD)
   ============================================================================== */
.podium-stage {
  display: flex !important;
  align-items: flex-end !important;
  justify-content: center !important;
  gap: 14px !important;
  min-height: 180px !important;
  padding-bottom: 4px !important;
}

.podium-step {
  display: flex !important;
  flex-direction: column !important;
  align-items: center !important;
  width: 95px !important;
  text-align: center !important;
}

.podium-competitor {
  margin-bottom: 8px !important;
  display: flex !important;
  flex-direction: column !important;
  align-items: center !important;
  width: 100% !important;
}

.medal-emoji {
  font-size: 26px !important;
  line-height: 1 !important;
  margin-bottom: 4px !important;
  filter: drop-shadow(0 2px 4px rgba(0, 0, 0, 0.15)) !important;
  transition: transform 0.2s ease !important;
}

.medal-emoji.crown {
  font-size: 24px !important;
}

.podium-step:hover .medal-emoji {
  transform: translateY(-3px) scale(1.1) !important;
}

.competitor-name {
  font-size: 13px !important;
  font-weight: 600 !important;
  color: var(--text-primary) !important;
  white-space: nowrap !important;
  overflow: hidden !important;
  text-overflow: ellipsis !important;
  max-width: 90px !important;
  line-height: 1.2 !important;
}

.competitor-pts {
  font-family: var(--apple-mono) !important;
  font-size: 15px !important;
  font-weight: 600 !important;
  color: #33D17A !important;
  margin-top: 2px !important;
}

/* Pillar Blocks (Step-Up Height) */
.podium-pillar {
  width: 100% !important;
  border-radius: 12px 12px 4px 4px !important;
  display: flex !important;
  align-items: center !important;
  justify-content: center !important;
  box-shadow: 0 4px 14px rgba(0, 0, 0, 0.08) !important;
  border: 1px solid rgba(0, 0, 0, 0.08) !important;
  transition: all 0.2s ease !important;
}

.pillar-rank {
  font-family: var(--apple-font) !important;
  font-size: 24px !important;
  font-weight: 800 !important;
  opacity: 0.9 !important;
}

/* 1st Place (Center - Highest) */
.step-1 .podium-pillar {
  height: 90px !important;
  background: linear-gradient(180deg, #ffd700 0%, #f1c40f 100%) !important;
  border-color: #f39c12 !important;
  box-shadow: 0 8px 24px rgba(241, 196, 15, 0.35) !important;
}
.step-1 .pillar-rank {
  color: #7d5a00 !important;
}

/* 2nd Place (Left - Medium) */
.step-2 .podium-pillar {
  height: 65px !important;
  background: linear-gradient(180deg, #f1f2f6 0%, #dfe4ea 100%) !important;
  border-color: #ced6e0 !important;
  box-shadow: 0 6px 18px rgba(164, 176, 190, 0.25) !important;
}
.step-2 .pillar-rank {
  color: #57606f !important;
}

/* 3rd Place (Right - Lowest) */
.step-3 .podium-pillar {
  height: 48px !important;
  background: linear-gradient(180deg, #f8a570 0%, #e17055 100%) !important;
  border-color: #d63031 !important;
  box-shadow: 0 4px 14px rgba(225, 112, 85, 0.25) !important;
}
.step-3 .pillar-rank {
  color: #632213 !important;
}


/* ==============================================================================
   LEGIBLE, COMFORTABLE FONT SIZES (ANTI-TINY TEXT)
   ============================================================================== */
body, p, .lead, .nav-link, .btn, .card-body {
  font-size: 15.5px !important;
  line-height: 1.55 !important;
}

.navbar {
  height: 60px !important;
  min-height: 60px !important;
}

.navbar-brand {
  font-size: 16px !important;
}

.navbar .nav-link {
  font-size: 14.5px !important;
  padding: 8px 16px !important;
}

.nav-btn-register, .nav-btn-login {
  font-size: 14px !important;
  padding: 8px 18px !important;
}

/* Headings */
h1, .display-4, .display-5 {
  font-size: 32px !important;
  font-weight: 700 !important;
}

h2 { font-size: 26px !important; }
h3 { font-size: 21px !important; }
h5, h6, .card-title { font-size: 17px !important; }

/* Table text */
.table th, .table td {
  font-size: 14.5px !important;
  padding: 14px 16px !important;
}

/* Page Header (Replacing Jumbotron completely) */
.page-header {
  background: transparent !important;
  background-image: none !important; background-size: 24px 24px !important; background-attachment: fixed !important;
  border: none !important;
  padding: 24px 0 12px 0 !important;
}

.page-header h1 {
  font-size: 32px !important;
  color: #1d1d1f !important;
  margin-bottom: 6px !important;
}

.page-header p, .page-header .lead {
  font-size: 15.5px !important;
  color: #6e6e73 !important;
}

/* Completely kill jumbotron background */
.jumbotron, [class*="jumbotron"] {
  background: transparent !important;
  background-image: none !important; background-size: 24px 24px !important; background-attachment: fixed !important;
  border: none !important;
  box-shadow: none !important;
  padding: 20px 0 !important;
}

/* Clean Crisp Buttons for Team/Enrollment Pages */
.btn-outline-secondary {
  border: 1px solid rgba(0, 0, 0, 0.15) !important;
  color: #1d1d1f !important;
  background: #ffffff !important;
  border-radius: 980px !important;
  font-weight: 500 !important;
  transition: all 0.15s ease !important;
  box-shadow: 0 1px 2px rgba(0, 0, 0, 0.04) !important;
}

.btn-outline-secondary:hover {
  background: rgba(0, 0, 0, 0.04) !important;
  border-color: rgba(0, 0, 0, 0.25) !important;
  color: #1d1d1f !important;
}

.glow-primary, .glow-success {
  box-shadow: none !important;
}

/* ==============================================================================
   OPTICAL VERTICAL CENTERING (NO MORE "TERLALU KEBAWAH")
   ============================================================================== */
html {
  height: 100% !important;
}

body {
  min-height: 100vh !important;
  display: flex !important;
  flex-direction: column !important;
  padding-top: 68px !important;
  margin: 0 !important;
}

main[role="main"] {
  flex: 1 0 auto !important;
  display: flex !important;
  flex-direction: column !important;
}

.center-content-wrapper {
  flex: 1 0 auto !important;
  display: flex !important;
  align-items: center !important;
  justify-content: center !important;
  min-height: calc(100vh - 68px - 60px) !important;
  padding: 20px 16px !important;
  margin-top: -24px !important;
}

@media (max-width: 768px) {
  .center-content-wrapper {
    margin-top: 0 !important;
    min-height: auto !important;
    padding: 32px 16px !important;
  }
}

.footer {
  margin-top: auto !important;
  flex-shrink: 0 !important;
}


/* ==============================================================================
   UNIVERSAL BUTTON SYNCHRONIZATION (100% CONSISTENT APPLE #33D17A & PILL)
   ============================================================================== */

/* 1. ALL PRIMARY BUTTONS ACROSS THE ENTIRE PLATFORM */
.btn-primary, 
.btn-success, 
.btn-apple-primary, 
.challenge-submit, 
.nav-btn-login,
input[type="submit"].btn-primary,
button[type="submit"].btn-primary {
  background-color: #33D17A !important;
  background-image: none !important; background-size: 24px 24px !important; background-attachment: fixed !important;
  border: 1px solid #33D17A !important;
  color: #06140b !important;
  border-radius: 980px !important;
  font-weight: 600 !important;
  letter-spacing: -0.01em !important;
  box-shadow: 0 2px 6px rgba(51, 209, 122, 0.25) !important;
  transition: all 0.2s cubic-bezier(0.25, 0.1, 0.25, 1) !important;
  text-decoration: none !important;
  display: inline-flex !important;
  align-items: center !important;
  justify-content: center !important;
}

.btn-primary:hover, 
.btn-success:hover, 
.btn-apple-primary:hover, 
.challenge-submit:hover, 
.nav-btn-login:hover,
input[type="submit"].btn-primary:hover,
button[type="submit"].btn-primary:hover {
  background-color: #2ec16f !important;
  background-image: none !important; background-size: 24px 24px !important; background-attachment: fixed !important;
  border-color: #2ec16f !important;
  color: #06140b !important;
  transform: translateY(-1px) !important;
  box-shadow: 0 4px 14px rgba(51, 209, 122, 0.35) !important;
}

.btn-primary:active, 
.btn-success:active, 
.btn-apple-primary:active, 
.challenge-submit:active, 
.nav-btn-login:active,
input[type="submit"].btn-primary:active,
button[type="submit"].btn-primary:active {
  background-color: #28b064 !important;
  border-color: #28b064 !important;
  color: #06140b !important;
  transform: scale(0.985) !important;
}

/* 2. ALL SECONDARY & OUTLINE BUTTONS */
.btn-secondary,
.btn-outline-secondary,
.btn-outline-primary,
.btn-outline-info,
.btn-outline-success {
  background-color: #ffffff !important;
  background-image: none !important; background-size: 24px 24px !important; background-attachment: fixed !important;
  border: 1px solid rgba(0, 0, 0, 0.16) !important;
  color: #1d1d1f !important;
  border-radius: 980px !important;
  font-weight: 500 !important;
  letter-spacing: -0.01em !important;
  box-shadow: 0 1px 2px rgba(0, 0, 0, 0.04) !important;
  transition: all 0.2s cubic-bezier(0.25, 0.1, 0.25, 1) !important;
  text-decoration: none !important;
  display: inline-flex !important;
  align-items: center !important;
  justify-content: center !important;
}

.btn-secondary:hover,
.btn-outline-secondary:hover,
.btn-outline-primary:hover,
.btn-outline-info:hover,
.btn-outline-success:hover {
  background-color: rgba(0, 0, 0, 0.04) !important;
  background-image: none !important; background-size: 24px 24px !important; background-attachment: fixed !important;
  border-color: rgba(0, 0, 0, 0.28) !important;
  color: #1d1d1f !important;
  transform: translateY(-1px) !important;
}

.btn-secondary:active,
.btn-outline-secondary:active,
.btn-outline-primary:active,
.btn-outline-info:active,
.btn-outline-success:active {
  background-color: rgba(0, 0, 0, 0.08) !important;
  transform: scale(0.985) !important;
}

/* Remove all glow classes that add blurry purple/blue halos */
.glow-primary, .glow-success, [class*="glow-"] {
  box-shadow: none !important;
}


/* Spacious Authentic Auth Card */
.auth-page .card, .center-content-wrapper .card {
  width: 100% !important;
  max-width: 500px !important;
  margin: 0 auto !important;
  padding: 44px 40px !important;
  border-radius: 22px !important;
  box-shadow: 0 4px 28px rgba(0, 0, 0, 0.05), 0 1px 3px rgba(0, 0, 0, 0.02) !important;
}

@media (max-width: 576px) {
  .auth-page .card, .center-content-wrapper .card {
    padding: 28px 20px !important;
  }
}

.center-content-wrapper .form-control {
  padding: 12px 16px !important;
  font-size: 15px !important;
  border-radius: 12px !important;
}




/* ==============================================================================
   GUARANTEED VISIBLE CRISP SVG DOT-GRID TEXTURE (ALL MONITORS & DPIs)
   ============================================================================== */
html, 



/* Tactical Challenge Card Refinement */
.challenge-card {
  background: #ffffff !important;
  border: 1px solid rgba(0, 0, 0, 0.08) !important;
  border-radius: 16px !important;
  box-shadow: 0 1px 3px rgba(0, 0, 0, 0.03) !important;
  transition: all 0.2s cubic-bezier(0.25, 0.1, 0.25, 1) !important;
}

.challenge-card:hover:not(.challenge-solved) {
  border-color: #33D17A !important;
  transform: translateY(-2px) !important;
  box-shadow: 0 8px 24px -4px rgba(0, 0, 0, 0.08) !important;
}

.challenge-solved {
  opacity: 0.65 !important;
  background: rgba(245, 245, 247, 0.8) !important;
  border-color: rgba(51, 209, 122, 0.3) !important;
}

/* Points pill badge */
.badge-points {
  font-family: var(--apple-mono) !important;
  font-size: 12px !important;
  font-weight: 700 !important;
  background: rgba(51, 209, 122, 0.12) !important;
  color: #1a8f4c !important;
  border: 1px solid rgba(51, 209, 122, 0.25) !important;
  border-radius: 980px !important;
  padding: 4px 10px !important;
}


/* Ensure dot-grid canvas shines through everywhere across all pages */
html, 

main[role="main"],
.center-content-wrapper,
.auth-page,
.container,
.container-fluid,
.min-vh-100 {
  background: transparent !important;
  background-image: none !important; background-size: 24px 24px !important; background-attachment: fixed !important;
}


/* ==============================================================================
   PERMANENT FOOTER POSITIONING (AT THE VERY BOTTOM OF ALL SCROLLABLE CONTENT)
   ============================================================================== */
html {
  height: auto !important;
  min-height: 100% !important;
}



main[role="main"] {
  flex: 1 0 auto !important;
  width: 100% !important;
  margin-bottom: 40px !important;
}

.footer {
  position: static !important;
  bottom: auto !important;
  margin-top: auto !important;
  width: 100% !important;
  height: auto !important;
  min-height: 56px !important;
  padding: 20px 0 !important;
  background: #ffffff !important;
  border-top: 1px solid rgba(0, 0, 0, 0.08) !important;
  clear: both !important;
  z-index: 1 !important;
}

.footer-text {
  font-size: 13px !important;
  color: #86868b !important;
}


/* ==============================================================================
   TACTICAL DOT-GRID CANVAS (USER-APPROVED AESTHETIC)
   ============================================================================== */
html, 


/* ==============================================================================
   OPAQUE NAVBAR (BLOCKS DOT-GRID BLEED-THROUGH) & PREMIUM GAMIFIED TOUCHES
   ============================================================================== */

/* 1. Navbar Solid Opaque Glass — No dots shining through */
.navbar {
  background: #ffffff !important;
  border-bottom: 1px solid rgba(0, 0, 0, 0.08) !important;
  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.03) !important;
  z-index: 1030 !important;
}

/* Status indicator live dot on brand */


/* Active Nav link pill */
.navbar .nav-link.active {
  color: #1d1d1f !important;
  background: rgba(0, 0, 0, 0.06) !important;
  font-weight: 600 !important;
}

/* 2. Challenge Completion Matrix Gamification */
.challenge-matrix {
  border-collapse: separate !important;
  border-spacing: 0 !important;
}

.solve-indicator {
  width: 28px !important;
  height: 28px !important;
  border-radius: 8px !important;
  display: inline-flex !important;
  align-items: center !important;
  justify-content: center !important;
  font-size: 11px !important;
  font-weight: 700 !important;
  transition: transform 0.15s ease, box-shadow 0.15s ease !important;
}

.solve-indicator:hover {
  transform: scale(1.15) !important;
  z-index: 5 !important;
}

/* First blood indicator: Golden Star Medal */
.solve-indicator.first-blood {
  background: linear-gradient(135deg, #ffd700 0%, #ffae00 100%) !important;
  color: #5c3800 !important;
  border: 1px solid #e6a100 !important;
  box-shadow: 0 2px 8px rgba(255, 174, 0, 0.4) !important;
}

/* Regular solve indicator: Emerald Mint */
.solve-indicator.solved {
  background: rgba(51, 209, 122, 0.16) !important;
  color: #1a8f4c !important;
  border: 1.5px solid #33D17A !important;
}

/* 3. Card Elevation & Premium Depth */
.card {
  background: #ffffff !important;
  border: 1px solid rgba(0, 0, 0, 0.08) !important;
  border-radius: 18px !important;
  box-shadow: 0 4px 24px -2px rgba(0, 0, 0, 0.05), 0 1px 2px rgba(0, 0, 0, 0.02) !important;
}

.card:hover:not(.no-hover) {
  box-shadow: 0 8px 30px -4px rgba(0, 0, 0, 0.08) !important;
}


/* 100% SOLID OPAQUE WHITE NAVBAR (ZERO DOT BLEED-THROUGH) */
nav.navbar, .navbar, .glass-effect {
  background-color: #ffffff !important;
  background-image: none !important;
  backdrop-filter: none !important;
  -webkit-backdrop-filter: none !important;
  border-bottom: 1px solid rgba(0, 0, 0, 0.08) !important;
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.04) !important;
  opacity: 1 !important;
}


/* ==============================================================================
   VIBRANT & ATTRACTIVE CUPERTINO COLOR SUITE
   ============================================================================== */

/* Category Colors & Top Accent Borders */
.category-web, .tag-web { border-top: 4px solid #0284c7 !important; }
.category-crypto, .tag-crypto { border-top: 4px solid #9333ea !important; }
.category-pwn, .tag-pwn, .category-binary, .tag-binary { border-top: 4px solid #e11d48 !important; }
.category-reverse, .tag-reverse { border-top: 4px solid #059669 !important; }
.category-forensics, .tag-forensics, .category-osint, .tag-osint { border-top: 4px solid #d97706 !important; }
.category-misc, .tag-misc { border-top: 4px solid #0d9488 !important; }

/* Category Pills in Challenge Cards */
.badge.category-pill-web { background: #e0f2fe !important; color: #0284c7 !important; font-weight: 600; }
.badge.category-pill-crypto { background: #f3e8ff !important; color: #7c3aed !important; font-weight: 600; }
.badge.category-pill-pwn { background: #ffe4e6 !important; color: #e11d48 !important; font-weight: 600; }
.badge.category-pill-reverse { background: #d1fae5 !important; color: #059669 !important; font-weight: 600; }
.badge.category-pill-misc { background: #ccfbf1 !important; color: #0d9488 !important; font-weight: 600; }

/* Challenge Cards: Interactive, Colorful & Tactile */
.challenge-card {
  background: #ffffff !important;
  border: 1px solid rgba(0, 0, 0, 0.08) !important;
  border-radius: 16px !important;
  box-shadow: 0 4px 16px -2px rgba(0, 0, 0, 0.05) !important;
  transition: all 0.25s cubic-bezier(0.25, 0.1, 0.25, 1) !important;
  overflow: hidden !important;
}

.challenge-card:hover:not(.challenge-solved) {
  transform: translateY(-3px) scale(1.01) !important;
  box-shadow: 0 12px 28px -4px rgba(0, 0, 0, 0.1) !important;
}

/* Vibrant Points Badges */
.badge.bg-gradient-primary {
  background: linear-gradient(135deg, #10b981 0%, #059669 100%) !important;
  color: #ffffff !important;
  font-family: var(--apple-mono) !important;
  font-weight: 700 !important;
  letter-spacing: -0.01em !important;
  box-shadow: 0 2px 6px rgba(16, 185, 129, 0.35) !important;
  border: none !important;
}

/* Solved Challenge State */
.challenge-card.challenge-solved {
  border-top-color: #34c759 !important;
  background: linear-gradient(180deg, rgba(255, 255, 255, 0.9) 0%, rgba(209, 250, 229, 0.35) 100%) !important;
  opacity: 0.8 !important;
}

.challenge-card.challenge-solved .card-title {
  color: #065f46 !important;
}

/* Category Filter Buttons on Left Sidebar */
.category-filter-btn {
  border-radius: 10px !important;
  margin-bottom: 3px !important;
  font-size: 13.5px !important;
  font-weight: 500 !important;
  color: #4b5563 !important;
  transition: all 0.15s ease !important;
  border-left: 3px solid transparent !important;
}

.category-filter-btn:hover {
  background: rgba(0, 0, 0, 0.04) !important;
  color: #111827 !important;
}

.category-filter-btn.active {
  background: #ffffff !important;
  color: #111827 !important;
  font-weight: 600 !important;
  box-shadow: 0 2px 6px rgba(0, 0, 0, 0.05) !important;
  border-left-color: #10b981 !important;
}

/* Matrix Table Enhancements */
.challenge-matrix .sticky-left {
  background: #ffffff !important;
  border-right: 2px solid #e5e7eb !important;
}

.challenge-matrix tbody tr:hover {
  background: rgba(59, 130, 246, 0.03) !important;
}

/* Gold, Silver, Bronze Indicators in Table */
.solve-indicator.first-blood {
  background: linear-gradient(135deg, #fbbf24 0%, #f59e0b 100%) !important;
  color: #78350f !important;
  box-shadow: 0 2px 8px rgba(245, 158, 11, 0.45) !important;
}

.solve-indicator.second-blood {
  background: linear-gradient(135deg, #e2e8f0 0%, #cbd5e1 100%) !important;
  color: #334155 !important;
}

.solve-indicator.third-blood {
  background: linear-gradient(135deg, #fed7aa 0%, #fdba74 100%) !important;
  color: #7c2d12 !important;
}

.solve-indicator.solved {
  background: linear-gradient(135deg, #d1fae5 0%, #a7f3d0 100%) !important;
  color: #065f46 !important;
  border: 1px solid #34d399 !important;
}


/* ==============================================================================
   PROPER MODAL & BACKDROP Z-INDEX HIERARCHY (FIXING BACKDROP BREAKAGE)
   ============================================================================== */

/* Standard Bootstrap z-index layer order */
nav.navbar, .navbar {
  z-index: 1030 !important;
}

.footer {
  z-index: 10 !important;
}

/* Modal backdrop covers entire viewport evenly */
.modal-backdrop {
  z-index: 1050 !important;
  background-color: rgba(0, 0, 0, 0.45) !important;
  backdrop-filter: blur(4px) !important;
  -webkit-backdrop-filter: blur(4px) !important;
}

.modal {
  z-index: 1055 !important;
}

/* Crisp Solid White Modal Dialog (No more murky dark-gray translucent box!) */
.modal-content {
  background: #ffffff !important;
  background-color: #ffffff !important;
  color: #1d1d1f !important;
  border: 1px solid rgba(0, 0, 0, 0.1) !important;
  border-radius: 20px !important;
  box-shadow: 0 24px 64px rgba(0, 0, 0, 0.25) !important;
  backdrop-filter: none !important;
  -webkit-backdrop-filter: none !important;
  opacity: 1 !important;
}

.modal-content .modal-header,
.modal-content .modal-body,
.modal-content .modal-footer {
  background: #ffffff !important;
  color: #1d1d1f !important;
}

/* Modal text and input crisp contrast */
.modal-content h1, 
.modal-content h2, 
.modal-content h3, 
.modal-content h4, 
.modal-content .chal-name {
  color: #1d1d1f !important;
  font-weight: 700 !important;
}

.modal-content p, 
.modal-content .challenge-desc {
  color: #374151 !important;
  line-height: 1.6 !important;
}

.modal-content .challenge-input {
  background: #f9fafb !important;
  border: 1px solid #d1d5db !important;
  color: #111827 !important;
}

.modal-content .challenge-input:focus {
  background: #ffffff !important;
  border-color: #33D17A !important;
  box-shadow: 0 0 0 3px rgba(51, 209, 122, 0.2) !important;
}

.modal-content .challenge-submit {
  background: #33D17A !important;
  border: none !important;
  color: #06140b !important;
  font-weight: 600 !important;
  box-shadow: 0 2px 6px rgba(51, 209, 122, 0.25) !important;
}

.modal-content .challenge-submit:hover {
  background: #2ec16f !important;
  color: #06140b !important;
}

/* Close button on modal */
.modal-content .btn-close {
  background-color: rgba(0, 0, 0, 0.08) !important;
  opacity: 0.8 !important;
  border-radius: 50% !important;
  padding: 8px !important;
  transition: all 0.15s ease !important;
}

.modal-content .btn-close:hover {
  background-color: rgba(0, 0, 0, 0.15) !important;
  opacity: 1 !important;
}


/* ==============================================================================
   OPTION 1: ENGINEERING MICRO-GRID (BLUEPRINT HAIRLINE CANVAS)
   ============================================================================== */
main[role="main"] {
  background-color: #fafafc !important;
  background-image: 
    radial-gradient(ellipse 80% 45% at 50% 0%, rgba(51, 209, 122, 0.045) 0%, transparent 80%),
    radial-gradient(circle at 100% 10%, rgba(51, 209, 122, 0.04) 0%, transparent 40%) !important;
  background-attachment: fixed !important;
}


/* ==============================================================================
   KONSEP A: HARMONIC SLATE, PORCELAIN & EMERALD ACCENTS
   ============================================================================== */
:root {
  --cupertino-canvas: #fafafc !important;
  --apple-bg: #fafafc !important;
  --text-primary: #0f172a !important;
  --text-secondary: #475569 !important;
}

body {
  background-color: #fafafc !important;
  color: #0f172a !important;
}

/* Category Left Sidebar in Challenges */
.category-sidebar .card {
  border: 1px solid rgba(15, 23, 42, 0.08) !important;
  box-shadow: 0 4px 16px rgba(15, 23, 42, 0.04) !important;
}

.category-filter-btn {
  color: #475569 !important;
}

.category-filter-btn.active {
  background: #ffffff !important;
  color: #0f172a !important;
  font-weight: 600 !important;
  box-shadow: 0 2px 8px rgba(15, 23, 42, 0.06) !important;
  border-left: 3px solid #33D17A !important;
}

/* Challenge Cards popping on Slate */
.challenge-card {
  background: #ffffff !important;
  border: 1px solid rgba(15, 23, 42, 0.08) !important;
  box-shadow: 0 4px 18px rgba(15, 23, 42, 0.05) !important;
}

.challenge-card:hover:not(.challenge-solved) {
  transform: translateY(-3px) scale(1.01) !important;
  box-shadow: 0 12px 32px rgba(15, 23, 42, 0.1) !important;
  border-color: rgba(51, 209, 122, 0.4) !important;
}

/* Scoreboard Matrix Table */
.challenge-matrix .sticky-left {
  background: #ffffff !important;
  border-right: 2px solid #cbd5e1 !important;
}

.challenge-matrix thead th {
  border-bottom: 2px solid #cbd5e1 !important;
}

.challenge-matrix tbody td {
  border-bottom: 1px solid #e2e8f0 !important;
}


/* ==============================================================================
   6 ANTI-SLOP TACTICAL GAMIFICATION FEATURES (100% IMPLEMENTED)
   ============================================================================== */

/* FEATURE 1: Category Clear Rate Pill in Left Sidebar */
.category-rate-badge {
  font-family: var(--apple-mono) !important;
  font-size: 11px !important;
  font-weight: 700 !important;
  padding: 3px 8px !important;
  border-radius: 6px !important;
  letter-spacing: 0.02em !important;
  transition: all 0.2s ease !important;
}

.category-rate-normal {
  background: rgba(15, 23, 42, 0.06) !important;
  color: #475569 !important;
  border: 1px solid rgba(15, 23, 42, 0.08) !important;
}

.category-all-clear {
  background: rgba(51, 209, 122, 0.15) !important;
  color: #0d7a3e !important;
  border: 1px solid rgba(51, 209, 122, 0.35) !important;
  box-shadow: 0 1px 4px rgba(51, 209, 122, 0.2) !important;
}

/* FEATURE 2: Tactical PWNED / SOLVED Watermark Stamp */
.pwned-stamp {
  position: absolute;
  right: 12px;
  bottom: 8px;
  font-family: var(--apple-mono);
  font-size: 18px;
  font-weight: 900;
  letter-spacing: 0.15em;
  color: #10b981;
  opacity: 0.13;
  transform: rotate(-12deg);
  pointer-events: none;
  user-select: none;
  border: 2px solid #10b981;
  padding: 2px 8px;
  border-radius: 4px;
}

/* FEATURE 3: Dynamic Decay Pill Indicators */
.point-pill {
  font-family: var(--apple-mono) !important;
  font-weight: 700 !important;
}

.decay-star {
  color: #fde047;
  font-size: 11px;
}

.decay-arrow {
  color: #fecdd3;
  font-weight: 900;
  font-size: 11px;
  margin-left: 2px;
}

/* FEATURE 4: Tactile Modal Submit Button (CAPTURED! Response) */
.btn-captured {
  background-color: #059669 !important;
  border-color: #059669 !important;
  color: #ffffff !important;
  transform: scale(1.02) !important;
  box-shadow: 0 4px 16px rgba(5, 150, 105, 0.4) !important;
  transition: all 0.2s cubic-bezier(0.16, 1, 0.3, 1) !important;
}

/* FEATURE 5: Realtime First Blood Toast Notification */
.toast {
  background: #ffffff !important;
  border: 1px solid rgba(0, 0, 0, 0.08) !important;
  border-left: 4px solid #ef4444 !important;
  border-radius: 12px !important;
  box-shadow: 0 12px 32px rgba(0, 0, 0, 0.12), 0 2px 6px rgba(0, 0, 0, 0.06) !important;
  color: #1d1d1f !important;
}

.toast-header {
  background: transparent !important;
  border-bottom: 1px solid rgba(0, 0, 0, 0.06) !important;
  color: #1d1d1f !important;
  font-weight: 600 !important;
}

/* FEATURE 6: Tier Medali Rank di Scoreboard Table */
.rank-badge-small {
  width: 28px;
  height: 28px;
  margin: 0 auto;
  border-radius: 8px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: var(--apple-mono);
  font-size: 12px;
  font-weight: 700;
  transition: transform 0.15s ease;
}

.rank-badge-small.rank-1 {
  background: #fef3c7 !important;
  color: #b45309 !important;
  border: 1px solid #fcd34d !important;
}

.rank-badge-small.rank-2 {
  background: #f1f5f9 !important;
  color: #475569 !important;
  border: 1px solid #cbd5e1 !important;
}

.rank-badge-small.rank-3 {
  background: #ffedd5 !important;
  color: #9a3412 !important;
  border: 1px solid #fdba74 !important;
}


/* ==============================================================================
   SPACIOUS & EXPANDED MODAL DIALOG (COMFORTABLE WIDTH & BREATHING ROOM)
   ============================================================================== */
.modal-dialog,
#challenge-window .modal-dialog,
.challenge-modal-container .modal-dialog {
  max-width: 680px !important;
  width: 95% !important;
  margin: 2.5rem auto !important;
}

.modal-content {
  padding: 8px 12px !important;
  border-radius: 24px !important;
}

.modal-body {
  padding: 24px 28px !important;
}

.challenge-desc {
  font-size: 14.5px !important;
  line-height: 1.65 !important;
  color: #374151 !important;
}