/*
 * SafeBin — Cipher Terminal Theme
 * Modern security-focused UI for IT professionals
 * 2026 redesign: glass morphism, atmospheric depth, satisfying micro-animations
 */

/* ============================================
   DESIGN TOKENS
   ============================================ */
:root {
  --sb-bg: #0b0e14;
  --sb-bg-elevated: #151922;
  --sb-bg-card: rgba(21, 25, 34, 0.75);
  --sb-bg-card-solid: #151922;
  --sb-bg-input: rgba(11, 14, 20, 0.6);
  --sb-bg-hover: rgba(88, 166, 255, 0.04);

  --sb-border: rgba(48, 54, 61, 0.6);
  --sb-border-focus: rgba(88, 166, 255, 0.5);
  --sb-border-subtle: rgba(48, 54, 61, 0.3);

  --sb-text: #e6edf3;
  --sb-text-secondary: #9dacba;
  --sb-text-muted: #545d68;

  --sb-accent: #58a6ff;
  --sb-accent-bright: #79c0ff;
  --sb-accent-dim: #388bfd;
  --sb-accent-glow: rgba(88, 166, 255, 0.12);
  --sb-accent-glow-strong: rgba(88, 166, 255, 0.25);

  --sb-success: #3fb950;
  --sb-success-glow: rgba(63, 185, 80, 0.15);
  --sb-warning: #d29922;
  --sb-warning-glow: rgba(210, 153, 34, 0.12);
  --sb-danger: #f85149;
  --sb-danger-glow: rgba(248, 81, 73, 0.12);
  --sb-cyan: #79c0ff;
  --sb-purple: #bc8cff;

  --sb-shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.3);
  --sb-shadow-md: 0 4px 16px rgba(0, 0, 0, 0.4);
  --sb-shadow-lg: 0 8px 32px rgba(0, 0, 0, 0.5);
  --sb-shadow-glow: 0 0 40px rgba(88, 166, 255, 0.06);

  --sb-ease-out: cubic-bezier(0.16, 1, 0.3, 1);
  --sb-ease-spring: cubic-bezier(0.34, 1.56, 0.64, 1);
  --sb-duration-fast: 0.15s;
  --sb-duration-normal: 0.3s;
  --sb-duration-slow: 0.5s;

  --sb-radius-sm: 8px;
  --sb-radius-md: 12px;
  --sb-radius-lg: 16px;
  --sb-radius-xl: 20px;
  --sb-radius-full: 999px;

  --sb-glass-blur: 20px;
  --sb-glass-inner: inset 0 1px 0 rgba(255, 255, 255, 0.04);
}

/* ============================================
   LIGHT THEME
   ============================================ */
[data-bs-theme="light"] {
  --sb-bg: #f0f3f6;
  --sb-bg-elevated: #ffffff;
  --sb-bg-card: rgba(255, 255, 255, 0.8);
  --sb-bg-card-solid: #ffffff;
  --sb-bg-input: rgba(240, 243, 246, 0.8);
  --sb-bg-hover: rgba(88, 166, 255, 0.06);

  --sb-border: rgba(208, 215, 222, 0.7);
  --sb-border-focus: rgba(88, 166, 255, 0.6);
  --sb-border-subtle: rgba(208, 215, 222, 0.4);

  --sb-text: #1f2328;
  --sb-text-secondary: #59636e;
  --sb-text-muted: #8b949e;

  --sb-accent: #0969da;
  --sb-accent-bright: #218bff;
  --sb-accent-dim: #0550ae;
  --sb-accent-glow: rgba(9, 105, 218, 0.08);
  --sb-accent-glow-strong: rgba(9, 105, 218, 0.15);

  --sb-success-glow: rgba(63, 185, 80, 0.1);
  --sb-warning-glow: rgba(210, 153, 34, 0.08);
  --sb-danger-glow: rgba(248, 81, 73, 0.08);

  --sb-shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.06);
  --sb-shadow-md: 0 4px 16px rgba(0, 0, 0, 0.08);
  --sb-shadow-lg: 0 8px 32px rgba(0, 0, 0, 0.1);
  --sb-shadow-glow: 0 0 40px rgba(9, 105, 218, 0.04);

  --sb-glass-inner: inset 0 1px 0 rgba(255, 255, 255, 0.7);
}

/* ============================================
   KEYFRAME ANIMATIONS
   ============================================ */
@keyframes fadeInUp {
  from { opacity: 0; transform: translateY(20px); }
  to { opacity: 1; transform: translateY(0); }
}

@keyframes fadeIn {
  from { opacity: 0; }
  to { opacity: 1; }
}

@keyframes slideInChildren {
  from { opacity: 0; transform: translateY(8px); }
  to { opacity: 1; transform: translateY(0); }
}

@keyframes successPop {
  0% { opacity: 0; transform: scale(0.5); }
  60% { opacity: 1; transform: scale(1.08); }
  100% { transform: scale(1); }
}

@keyframes glowPulse {
  0%, 100% { box-shadow: 0 0 0 0 var(--sb-accent-glow), var(--sb-shadow-md); }
  50% { box-shadow: 0 0 20px 4px var(--sb-accent-glow-strong), var(--sb-shadow-md); }
}

@keyframes ringExpand {
  0% { opacity: 0.6; transform: scale(1); }
  100% { opacity: 0; transform: scale(1.8); }
}

@keyframes shimmerBorder {
  0% { background-position: 0% 50%; }
  50% { background-position: 100% 50%; }
  100% { background-position: 0% 50%; }
}

@keyframes checkDraw {
  from { stroke-dashoffset: 24; }
  to { stroke-dashoffset: 0; }
}

@keyframes encryptSpin {
  from { transform: rotate(0deg); }
  to { transform: rotate(360deg); }
}

@keyframes gridDrift {
  0% { transform: translate(0, 0); }
  100% { transform: translate(30px, 30px); }
}

@keyframes badgeFadeIn {
  from { opacity: 0; transform: translateY(4px); }
  to { opacity: 1; transform: translateY(0); }
}

@keyframes subtleGlitch {
  0%, 100% { transform: translate(0); }
  20% { transform: translate(-1px, 1px); }
  40% { transform: translate(1px, -1px); }
  60% { transform: translate(-1px, 0); }
  80% { transform: translate(1px, 1px); }
}

@keyframes warningPulse {
  0%, 100% { box-shadow: 0 0 0 0 var(--sb-warning-glow); }
  50% { box-shadow: 0 0 12px 2px var(--sb-warning-glow); }
}

@keyframes dotPulse {
  0%, 100% { opacity: 1; transform: scale(1); }
  50% { opacity: 0.4; transform: scale(0.7); }
}

@keyframes scaleIn {
  from { opacity: 0; transform: scale(0.95); }
  to { opacity: 1; transform: scale(1); }
}

@keyframes pulse {
  0%, 100% { box-shadow: 0 0 0 0 rgba(210, 153, 34, 0.3); }
  50% { box-shadow: 0 0 0 8px rgba(210, 153, 34, 0); }
}

/* ============================================
   ANIMATION CLASSES
   ============================================ */
.animate-fade-in-up { animation: fadeInUp var(--sb-duration-slow) var(--sb-ease-out) forwards; }
.animate-fade-in { animation: fadeIn var(--sb-duration-normal) ease forwards; }
.animate-scale-in { animation: successPop 0.4s var(--sb-ease-spring) forwards; }

.step-1 { animation-delay: 0.05s; }
.step-2 { animation-delay: 0.15s; }
.step-3 { animation-delay: 0.25s; }

/* ============================================
   BASE & ATMOSPHERIC BACKGROUND
   ============================================ */
*, *::before, *::after { box-sizing: border-box; }

body {
  background-color: var(--sb-bg);
  color: var(--sb-text);
  font-family: 'Outfit', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  min-height: 100vh;
  transition: background-color var(--sb-duration-normal) ease, color var(--sb-duration-normal) ease;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

.bg-grid {
  position: fixed;
  inset: 0;
  z-index: -1;
  pointer-events: none;
  background-image:
    linear-gradient(var(--sb-border-subtle) 1px, transparent 1px),
    linear-gradient(90deg, var(--sb-border-subtle) 1px, transparent 1px);
  background-size: 60px 60px;
  mask-image: radial-gradient(ellipse 60% 50% at 50% 40%, black 20%, transparent 70%);
  -webkit-mask-image: radial-gradient(ellipse 60% 50% at 50% 40%, black 20%, transparent 70%);
  animation: gridDrift 20s linear infinite;
  opacity: 0.5;
}

.bg-grid::after {
  content: '';
  position: fixed;
  top: 25%;
  left: 50%;
  transform: translateX(-50%);
  width: 600px;
  height: 400px;
  background: radial-gradient(ellipse, var(--sb-accent-glow) 0%, transparent 70%);
  pointer-events: none;
  z-index: -1;
}

/* ============================================
   NAVBAR — Glass
   ============================================ */
.navbar {
  background: var(--sb-bg-card);
  backdrop-filter: blur(var(--sb-glass-blur));
  -webkit-backdrop-filter: blur(var(--sb-glass-blur));
  border-bottom: 1px solid var(--sb-border);
  padding: 0.7rem 1.5rem;
  box-shadow: var(--sb-glass-inner);
  position: relative;
  z-index: 100;
}

.navbar-brand {
  color: var(--sb-text) !important;
  font-weight: 600;
  display: flex;
  align-items: center;
  gap: 0.75rem;
  text-decoration: none;
}

.navbar-brand img { margin: 0 !important; }

.theme-toggle {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  color: var(--sb-text-muted);
}

.theme-toggle i,
.theme-toggle svg {
  font-size: 0.9rem;
  transition: color var(--sb-duration-fast) ease, transform var(--sb-duration-normal) var(--sb-ease-spring);
}

.theme-toggle .fa-sun,
.theme-toggle .toggle-sun { color: var(--sb-warning); }
.theme-toggle .fa-moon,
.theme-toggle .toggle-moon { color: var(--sb-purple); }

.theme-toggle i:hover,
.theme-toggle svg:hover { transform: scale(1.15) rotate(12deg); }

.form-check-input:checked {
  background-color: var(--sb-accent);
  border-color: var(--sb-accent);
}

.form-check-input {
  cursor: pointer;
  transition: background-color var(--sb-duration-fast) ease, border-color var(--sb-duration-fast) ease;
}

/* ============================================
   MAIN CARD — Glass Container
   ============================================ */
.safebin-card {
  background: var(--sb-bg-card);
  backdrop-filter: blur(var(--sb-glass-blur));
  -webkit-backdrop-filter: blur(var(--sb-glass-blur));
  border: 1px solid var(--sb-border);
  border-radius: var(--sb-radius-xl);
  padding: 2.25rem 2.75rem;
  margin: 2.5rem auto;
  max-width: 1200px;
  box-shadow: var(--sb-shadow-md), var(--sb-shadow-glow), var(--sb-glass-inner);
  animation: fadeInUp var(--sb-duration-slow) var(--sb-ease-out) forwards;
  transition: transform var(--sb-duration-normal) var(--sb-ease-out), box-shadow var(--sb-duration-normal) ease;
  position: relative;
  overflow: hidden;
}

.safebin-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 10%;
  right: 10%;
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--sb-accent), transparent);
  opacity: 0.35;
}

.safebin-card:hover {
  transform: translateY(-1px);
  box-shadow: var(--sb-shadow-lg), 0 0 50px rgba(88, 166, 255, 0.08), var(--sb-glass-inner);
}

.safebin-card.card-narrow {
  text-align: center;
  max-width: 900px;
}

.safebin-card.card-wide {
  max-width: 1400px;
}

/* ============================================
   TITLE & TYPOGRAPHY
   ============================================ */
.title-area {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 2rem;
  margin-bottom: 0.5rem;
  flex-wrap: wrap;
}

.safebin-title {
  font-family: 'Outfit', sans-serif;
  font-size: 1.6rem;
  font-weight: 700;
  color: var(--sb-text);
  margin: 0;
  line-height: 1.3;
  letter-spacing: -0.02em;
}

.safebin-subtitle {
  font-size: 0.9rem;
  color: var(--sb-text-muted);
  margin: 0 0 1.5rem 0;
  font-style: normal;
  letter-spacing: 0.01em;
}

.safebin-description {
  font-size: 0.92rem;
  color: var(--sb-text-secondary);
  margin-bottom: 1.5rem;
  line-height: 1.65;
}

.safebin-description strong {
  color: var(--sb-accent-bright);
  font-weight: 600;
}

/* ============================================
   STEP INDICATORS
   ============================================ */
.steps-container {
  display: flex;
  align-items: center;
  gap: 0;
}

.step-item {
  display: flex;
  align-items: center;
  gap: 0.4rem;
  padding: 0.35rem 0.7rem;
  background: transparent;
  border: 1px solid var(--sb-border);
  border-radius: var(--sb-radius-full);
  opacity: 0;
  animation: slideInChildren 0.3s var(--sb-ease-out) forwards;
  transition: all var(--sb-duration-fast) ease;
  cursor: default;
}

.step-item:hover { border-color: var(--sb-text-muted); }

.step-item.active {
  opacity: 1 !important;
  border-color: var(--sb-accent);
  background: var(--sb-accent-glow);
}

.step-connector {
  width: 20px;
  height: 1px;
  background: var(--sb-border);
  flex-shrink: 0;
}

.step-number {
  width: 20px;
  height: 20px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.7rem;
  font-weight: 700;
  background: transparent;
  color: var(--sb-text-muted);
  border: 1.5px solid var(--sb-border);
  transition: all var(--sb-duration-fast) ease;
  flex-shrink: 0;
}

.step-item.active .step-number {
  background: var(--sb-accent);
  color: white;
  border-color: var(--sb-accent);
}

.step-icon {
  width: 20px;
  height: 20px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--sb-text-muted);
}

.step-item.active .step-icon { color: var(--sb-accent); }

.step-icon svg {
  width: 14px;
  height: 14px;
  stroke: currentColor;
  stroke-width: 2.5;
  fill: none;
}

.step-label {
  font-size: 0.72rem;
  font-weight: 600;
  color: var(--sb-text-muted);
  letter-spacing: 0.04em;
  text-transform: uppercase;
}

.step-item.active .step-label { color: var(--sb-text); }

/* ============================================
   FORM ELEMENTS
   ============================================ */
.textarea-wrapper {
  position: relative;
  border-radius: var(--sb-radius-md);
}

.safebin-textarea {
  width: 100%;
  min-height: 200px;
  padding: 1.1rem 1.25rem;
  background: var(--sb-bg-input);
  border: 1.5px solid var(--sb-border);
  border-radius: var(--sb-radius-md);
  color: var(--sb-text);
  font-family: 'JetBrains Mono', 'Fira Code', 'Cascadia Code', monospace;
  font-size: 0.88rem;
  line-height: 1.6;
  resize: vertical;
  transition:
    border-color var(--sb-duration-fast) ease,
    box-shadow var(--sb-duration-normal) ease,
    background-color var(--sb-duration-fast) ease;
}

.safebin-textarea:focus {
  outline: none;
  border-color: var(--sb-accent);
  box-shadow: 0 0 0 3px var(--sb-accent-glow), 0 0 20px var(--sb-accent-glow);
  background: var(--sb-bg-input);
}

.safebin-textarea::placeholder {
  color: var(--sb-text-muted);
  font-family: 'Outfit', sans-serif;
}

.safebin-textarea::-webkit-scrollbar { width: 6px; }
.safebin-textarea::-webkit-scrollbar-track { background: transparent; }
.safebin-textarea::-webkit-scrollbar-thumb { background: var(--sb-border); border-radius: 3px; }
.safebin-textarea::-webkit-scrollbar-thumb:hover { background: var(--sb-text-muted); }

.safebin-textarea[readonly] {
  background: var(--sb-bg-elevated);
  border-color: var(--sb-border);
  cursor: text;
}

.safebin-textarea[readonly]:focus {
  border-color: var(--sb-accent);
  box-shadow: 0 0 0 3px var(--sb-accent-glow);
}

.safebin-input {
  width: 100%;
  padding: 0.9rem 1.1rem;
  background: var(--sb-bg-input);
  border: 1.5px solid var(--sb-border);
  border-radius: var(--sb-radius-md);
  color: var(--sb-text);
  font-family: 'JetBrains Mono', 'Fira Code', monospace;
  font-size: 0.85rem;
  transition: border-color var(--sb-duration-fast) ease, box-shadow var(--sb-duration-normal) ease;
}

.safebin-input:focus {
  outline: none;
  border-color: var(--sb-accent);
  box-shadow: 0 0 0 3px var(--sb-accent-glow);
}

.safebin-input[readonly] {
  background: var(--sb-bg-elevated);
  cursor: text;
}

/* URL display shimmer border wrapper */
.url-display-wrapper {
  position: relative;
  border-radius: var(--sb-radius-md);
  padding: 2px;
  background: linear-gradient(90deg, var(--sb-accent), var(--sb-cyan), var(--sb-purple), var(--sb-accent));
  background-size: 300% 100%;
  animation: shimmerBorder 4s ease infinite;
}

.url-display-wrapper .safebin-input {
  border: none;
  border-radius: calc(var(--sb-radius-md) - 2px);
  background: var(--sb-bg-card-solid);
}

.url-display-wrapper .safebin-input:focus { box-shadow: none; }

/* Character counter */
.char-counter {
  display: flex;
  justify-content: flex-end;
  margin-top: 0.5rem;
  font-size: 0.75rem;
  font-weight: 500;
  color: var(--sb-text-muted);
  font-family: 'JetBrains Mono', monospace;
  transition: color var(--sb-duration-fast) ease;
}

.char-counter.warning { color: var(--sb-warning); }
.char-counter.danger { color: var(--sb-danger); }

/* ============================================
   BUTTONS
   ============================================ */
.btn-safebin {
  display: flex;
  width: 100%;
  align-items: center;
  justify-content: center;
  gap: 0.6rem;
  padding: 0.9rem 1.75rem;
  font-family: 'Outfit', sans-serif;
  font-size: 0.95rem;
  font-weight: 600;
  border: none;
  border-radius: var(--sb-radius-md);
  cursor: pointer;
  transition:
    transform var(--sb-duration-fast) var(--sb-ease-spring),
    box-shadow var(--sb-duration-fast) ease,
    background var(--sb-duration-fast) ease,
    filter var(--sb-duration-fast) ease;
  position: relative;
  overflow: hidden;
  letter-spacing: 0.01em;
}

.btn-safebin:active {
  transform: scale(0.97);
  filter: brightness(0.92);
}

.btn-safebin svg,
.btn-icon svg {
  width: 18px;
  height: 18px;
  stroke: currentColor;
  stroke-width: 2;
  fill: none;
  flex-shrink: 0;
}

.btn-primary-tn {
  background: var(--sb-accent);
  color: white;
  box-shadow: 0 2px 8px rgba(88, 166, 255, 0.25);
}

.btn-primary-tn:hover {
  background: var(--sb-accent-bright);
  color: white;
  box-shadow: 0 4px 16px rgba(88, 166, 255, 0.35);
  transform: translateY(-1px);
}

.btn-encrypt {
  background: linear-gradient(135deg, var(--sb-accent), var(--sb-accent-dim));
  box-shadow: 0 2px 12px rgba(88, 166, 255, 0.3);
}

.btn-encrypt:hover {
  background: linear-gradient(135deg, var(--sb-accent-bright), var(--sb-accent));
  box-shadow: 0 4px 20px rgba(88, 166, 255, 0.4);
}

/* Light theme override for encrypt button */
[data-bs-theme="light"] .btn-encrypt {
  background: var(--sb-accent);
  color: white;
  box-shadow: 0 2px 8px rgba(9, 105, 218, 0.25);
}

[data-bs-theme="light"] .btn-encrypt:hover {
  background: var(--sb-accent-bright);
  color: white;
  box-shadow: 0 4px 16px rgba(9, 105, 218, 0.35);
}

.btn-safebin .btn-text-loading { display: none; }
.btn-safebin .btn-text-loading .spinner {
  width: 16px;
  height: 16px;
  border: 2px solid rgba(255,255,255,0.3);
  border-top-color: white;
  border-radius: 50%;
  animation: encryptSpin 0.6s linear infinite;
  display: inline-block;
}

.btn-secondary-tn {
  background: var(--sb-bg-elevated);
  color: var(--sb-text);
  border: 1.5px solid var(--sb-border);
}

.btn-secondary-tn:hover {
  background: var(--sb-bg-hover);
  border-color: var(--sb-text-muted);
  color: var(--sb-text);
  transform: translateY(-1px);
}

.btn-success-tn { background: var(--sb-success); color: white; }
.btn-warning-tn { background: var(--sb-warning); color: white; }

/* Copy button */
.btn-copy {
  position: relative;
  min-width: 140px;
}

.btn-copy.copied {
  background: var(--sb-success) !important;
  box-shadow: 0 2px 12px var(--sb-success-glow) !important;
}

.btn-copy .copy-text,
.btn-copy .copied-text {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  width: 100%;
  transition: opacity 0.2s ease, transform 0.2s ease;
}

.btn-copy .copied-text {
  position: absolute;
  top: 0; left: 0; right: 0; bottom: 0;
  opacity: 0;
  pointer-events: none;
  transform: scale(0.9);
}

.btn-copy.copied .copy-text {
  opacity: 0;
  visibility: hidden;
  transform: scale(1.1);
}

.btn-copy.copied .copied-text {
  opacity: 1;
  visibility: visible;
  pointer-events: auto;
  transform: scale(1);
}

.btn-copy.copied .copied-text svg polyline {
  stroke-dasharray: 24;
  stroke-dashoffset: 24;
  animation: checkDraw 0.3s ease forwards 0.1s;
}

/* ============================================
   STATUS ICONS
   ============================================ */
.icon-container {
  width: 72px;
  height: 72px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto 1.5rem;
  position: relative;
}

.icon-container svg {
  width: 32px; height: 32px;
  stroke: white;
  stroke-width: 2.5;
  fill: none;
  position: relative;
  z-index: 2;
}

.icon-container.icon-success {
  background: var(--sb-success);
  animation: successPop 0.5s var(--sb-ease-spring) forwards;
  box-shadow: 0 4px 20px var(--sb-success-glow);
}

.icon-container.icon-lock {
  background: var(--sb-accent);
  animation: successPop 0.5s var(--sb-ease-spring) forwards;
  box-shadow: 0 4px 20px var(--sb-accent-glow);
}

.icon-container.icon-error {
  background: var(--sb-warning);
  animation: successPop 0.5s var(--sb-ease-spring) forwards;
  box-shadow: 0 4px 20px var(--sb-warning-glow);
}

.icon-container.icon-error svg { animation: subtleGlitch 0.5s ease 0.6s; }

/* Animated rings for lock */
.lock-rings {
  position: absolute;
  inset: 0;
  display: flex;
  align-items: center;
  justify-content: center;
}

.lock-rings .ring {
  position: absolute;
  width: 100%;
  height: 100%;
  border-radius: 50%;
  border: 1.5px solid var(--sb-accent);
  opacity: 0;
  animation: ringExpand 2.5s ease-out infinite;
}

.lock-rings .ring-1 { animation-delay: 0s; }
.lock-rings .ring-2 { animation-delay: 1.25s; }

/* Legacy icon class support */
.success-icon {
  width: 72px; height: 72px;
  background: var(--sb-success);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto 1.5rem;
  animation: successPop 0.5s var(--sb-ease-spring) forwards;
  box-shadow: 0 4px 20px var(--sb-success-glow);
}

.success-icon svg {
  width: 32px; height: 32px;
  stroke: white;
  stroke-width: 2.5;
  fill: none;
}

.lock-icon {
  width: 80px; height: 80px;
  background: var(--sb-accent);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto 1.5rem;
  animation: glowPulse 3s ease-in-out infinite;
  position: relative;
}

.lock-icon svg {
  width: 36px; height: 36px;
  stroke: white;
  stroke-width: 2;
  fill: none;
  position: relative;
  z-index: 2;
}

.error-icon {
  width: 72px; height: 72px;
  background: var(--sb-warning);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto 1.5rem;
  animation: successPop 0.5s var(--sb-ease-spring) forwards;
  box-shadow: 0 4px 20px var(--sb-warning-glow);
}

.error-icon svg {
  width: 32px; height: 32px;
  stroke: white;
  stroke-width: 2.5;
  fill: none;
  animation: subtleGlitch 0.5s ease 0.6s;
}

/* ============================================
   ALERT BOXES
   ============================================ */
.alert-warning-tn {
  background: var(--sb-warning-glow);
  border: 1.5px solid var(--sb-warning);
  border-radius: var(--sb-radius-md);
  padding: 0.9rem 1.2rem;
  margin: 1.5rem 0;
  animation: warningPulse 3s ease-in-out infinite;
}

.alert-warning-tn p {
  color: var(--sb-warning);
  font-weight: 600;
  font-size: 0.9rem;
  margin: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
}

.alert-warning-tn svg {
  width: 18px; height: 18px;
  stroke: currentColor;
  stroke-width: 2;
  fill: none;
  flex-shrink: 0;
}

.alert-info-tn {
  background: var(--sb-accent-glow);
  border: 1px solid var(--sb-border);
  border-left: 3px solid var(--sb-accent);
  border-radius: var(--sb-radius-sm);
  padding: 1rem 1.25rem;
  margin: 1rem 0;
}

.alert-info-tn p {
  color: var(--sb-text-secondary);
  margin: 0;
  font-size: 0.88rem;
  line-height: 1.5;
}

.alert-danger-tn {
  background: var(--sb-danger-glow);
  border: 1.5px solid var(--sb-danger);
  border-radius: var(--sb-radius-md);
  padding: 0.9rem 1.2rem;
}

.alert-danger-tn p {
  color: var(--sb-danger);
  font-weight: 600;
  margin: 0;
}

/* ============================================
   BADGES
   ============================================ */
.destroyed-badge {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  background: var(--sb-danger-glow);
  border: 1px solid var(--sb-danger);
  color: var(--sb-danger);
  padding: 0.5rem 1rem;
  border-radius: var(--sb-radius-full);
  font-size: 0.75rem;
  font-weight: 600;
  margin-top: 1rem;
  animation: badgeFadeIn 0.4s var(--sb-ease-out) 0.3s both;
  letter-spacing: 0.04em;
  text-transform: uppercase;
}

.destroyed-badge::before {
  content: '';
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--sb-danger);
  animation: dotPulse 1.5s ease-in-out infinite;
  flex-shrink: 0;
}

.destroyed-badge svg {
  width: 14px; height: 14px;
  stroke: currentColor;
  stroke-width: 2;
  fill: none;
}

.shield-badge {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  color: var(--sb-success);
  font-size: 0.78rem;
  font-weight: 600;
  margin-top: 0.5rem;
  letter-spacing: 0.02em;
}

.shield-badge svg {
  width: 14px; height: 14px;
  stroke: currentColor;
  stroke-width: 2;
  fill: none;
}

/* ============================================
   FOOTER
   ============================================ */
.safebin-footer {
  position: fixed;
  bottom: 0; left: 0; right: 0;
  background: var(--sb-bg-card);
  backdrop-filter: blur(var(--sb-glass-blur));
  -webkit-backdrop-filter: blur(var(--sb-glass-blur));
  border-top: 1px solid var(--sb-border);
  padding: 0.6rem 1.5rem;
  z-index: 100;
  box-shadow: var(--sb-glass-inner);
}

.safebin-footer .container-fluid {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 1rem;
  max-width: 1400px;
  margin: 0 auto;
}

.safebin-footer .footer-text {
  color: var(--sb-text-muted);
  font-size: 0.72rem;
  letter-spacing: 0.01em;
}

.safebin-footer .footer-link-btn {
  color: var(--sb-text-secondary);
  background: var(--sb-bg-elevated);
  border: 1px solid var(--sb-border);
  padding: 0.3rem 0.75rem;
  border-radius: var(--sb-radius-sm);
  text-decoration: none;
  font-size: 0.7rem;
  font-weight: 500;
  transition: all var(--sb-duration-fast) ease;
}

.safebin-footer .footer-link-btn:hover {
  background: var(--sb-bg-hover);
  color: var(--sb-text);
  border-color: var(--sb-accent);
}

/* ============================================
   SPECIAL ELEMENTS
   ============================================ */
.https-warning {
  background: var(--sb-danger);
  color: white;
  padding: 0.65rem 1rem;
  text-align: center;
  font-weight: 600;
  font-size: 0.88rem;
}

.announcement-banner {
  background: var(--sb-warning-glow);
  border: 1px solid var(--sb-warning);
  border-radius: var(--sb-radius-sm);
  padding: 0.6rem 1rem;
  margin: 0.75rem auto;
  max-width: 680px;
  text-align: center;
  font-size: 0.88rem;
}

.announcement-banner strong { color: var(--sb-warning); }
.announcement-banner span { color: var(--sb-text-secondary); }

/* Emphasis */
.message-emphasis {
  animation: glowPulse 3s ease-in-out infinite;
}

/* Message revealed entrance */
.message-revealed {
  animation: scaleIn 0.4s var(--sb-ease-out) 0.2s both;
}

/* ============================================
   UTILITIES
   ============================================ */
.mt-1 { margin-top: 0.5rem; }
.mt-2 { margin-top: 1rem; }
.mt-3 { margin-top: 1.5rem; }
.mb-1 { margin-bottom: 0.5rem; }
.mb-2 { margin-bottom: 1rem; }
.mb-3 { margin-bottom: 1.5rem; }
.text-center { text-align: center; }
.text-muted { color: var(--sb-text-muted); }
.flex-center { display: flex; align-items: center; justify-content: center; }
.gap-1 { gap: 0.5rem; }
.gap-2 { gap: 1rem; }

/* ============================================
   RESPONSIVE
   ============================================ */
@media (max-width: 768px) {
  .safebin-card {
    margin: 1rem 0.75rem;
    padding: 1.75rem 1.25rem;
    border-radius: var(--sb-radius-lg);
    max-width: none;
  }
  .steps-container { display: none; }
  .safebin-title { font-size: 1.35rem; }
  .bg-grid { display: none; }
}

@media (max-width: 480px) {
  .safebin-card {
    margin: 0.5rem;
    padding: 1.5rem 1rem;
    border-radius: var(--sb-radius-md);
  }
  .btn-safebin { padding: 0.85rem 1.25rem; font-size: 0.9rem; }
}

/* ============================================
   REDUCED MOTION
   ============================================ */
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }
  .bg-grid { animation: none; }
  .safebin-card:hover { transform: none; }
  .btn-safebin:hover { transform: none; }
}