/* ============================================================
   Sumedh's Personal Cybersecurity Project — Dashboard Styles
   Professional Dark Glassmorphism Theme v2.0
   ============================================================ */

@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700;800;900&family=JetBrains+Mono:wght@400;500;600;700&display=swap');

/* ─── CSS Variables ─────────────────────────────────── */
:root {
  --bg-primary:     #06090f;
  --bg-secondary:   #0c1421;
  --bg-card:        rgba(12, 22, 38, 0.75);
  --bg-card-hover:  rgba(14, 26, 44, 0.85);
  --accent-cyan:    #00d4ff;
  --accent-green:   #00ff88;
  --accent-purple:  #a855f7;
  --accent-orange:  #ff9f43;
  --accent-red:     #ff4757;
  --accent-yellow:  #ffd700;
  --accent-pink:    #ff6b9d;
  --text-primary:   #e8f0fa;
  --text-secondary: #6b8aad;
  --text-muted:     #3d5570;
  --border-subtle:  rgba(255,255,255,0.06);
  --border-glow:    rgba(0, 212, 255, 0.18);
  --glass-bg:       rgba(0, 212, 255, 0.03);
  --shadow-glow:    0 0 40px rgba(0, 212, 255, 0.08);
  --shadow-card:    0 4px 24px rgba(0, 0, 0, 0.3), 0 0 40px rgba(0, 212, 255, 0.06);
  --font-mono:      'JetBrains Mono', monospace;
  --font-sans:      'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
  --radius:         16px;
  --radius-sm:      10px;
  --radius-xs:      6px;
  --transition:     0.3s cubic-bezier(0.4, 0, 0.2, 1);
  --transition-fast: 0.15s ease;
}

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

html { scroll-behavior: smooth; }

body {
  font-family: var(--font-sans);
  background: var(--bg-primary);
  color: var(--text-primary);
  min-height: 100vh;
  overflow-x: hidden;
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

/* ─── Animated Gradient Mesh Background ─────────────── */
body::before {
  content: '';
  position: fixed;
  inset: 0;
  background:
    radial-gradient(ellipse 70% 50% at 15% 15%, rgba(0,212,255,0.06) 0%, transparent 55%),
    radial-gradient(ellipse 50% 40% at 85% 20%, rgba(168,85,247,0.05) 0%, transparent 55%),
    radial-gradient(ellipse 60% 50% at 50% 90%, rgba(0,255,136,0.03) 0%, transparent 55%),
    radial-gradient(ellipse 40% 30% at 70% 60%, rgba(255,159,67,0.03) 0%, transparent 50%);
  pointer-events: none;
  z-index: 0;
  animation: meshShift 20s ease-in-out infinite alternate;
}

@keyframes meshShift {
  0%   { opacity: 1; }
  50%  { opacity: 0.7; }
  100% { opacity: 1; }
}

/* ─── Subtle Grid Overlay ───────────────────────────── */
body::after {
  content: '';
  position: fixed;
  inset: 0;
  background-image:
    linear-gradient(rgba(0,212,255,0.02) 1px, transparent 1px),
    linear-gradient(90deg, rgba(0,212,255,0.02) 1px, transparent 1px);
  background-size: 80px 80px;
  pointer-events: none;
  z-index: 0;
}

/* ─── Layout Wrapper ────────────────────────────────── */
.wrapper {
  position: relative;
  z-index: 1;
  max-width: 1320px;
  margin: 0 auto;
  padding: 0 28px 100px;
}

/* ─── Header ────────────────────────────────────────── */
header {
  position: relative;
  text-align: center;
  padding: 72px 28px 56px;
  z-index: 1;
}

.header-badge {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  background: rgba(0,212,255,0.08);
  border: 1px solid rgba(0,212,255,0.2);
  border-radius: 50px;
  padding: 8px 20px;
  font-size: 0.7rem;
  font-weight: 700;
  color: var(--accent-cyan);
  letter-spacing: 0.15em;
  text-transform: uppercase;
  margin-bottom: 28px;
  animation: fadeInDown 0.6s ease both;
  backdrop-filter: blur(10px);
}

.header-badge .dot {
  width: 8px; height: 8px;
  background: var(--accent-cyan);
  border-radius: 50%;
  animation: pulse-dot 2s ease-in-out infinite;
  box-shadow: 0 0 8px rgba(0,212,255,0.6);
}

@keyframes pulse-dot {
  0%, 100% { opacity: 1; transform: scale(1); box-shadow: 0 0 8px rgba(0,212,255,0.6); }
  50%      { opacity: 0.4; transform: scale(0.6); box-shadow: 0 0 4px rgba(0,212,255,0.3); }
}

header h1 {
  font-size: clamp(2.2rem, 5vw, 3.8rem);
  font-weight: 900;
  line-height: 1.08;
  margin-bottom: 18px;
  background: linear-gradient(135deg, #ffffff 0%, var(--accent-cyan) 40%, var(--accent-purple) 80%, var(--accent-pink) 100%);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
  animation: fadeInDown 0.7s ease 0.1s both;
  letter-spacing: -0.02em;
}

header p {
  color: var(--text-secondary);
  font-size: 1.08rem;
  font-weight: 400;
  max-width: 580px;
  margin: 0 auto 36px;
  animation: fadeInDown 0.7s ease 0.2s both;
  line-height: 1.7;
}

.header-stats {
  display: flex;
  justify-content: center;
  gap: 40px;
  flex-wrap: wrap;
  animation: fadeInDown 0.7s ease 0.3s both;
}

.stat {
  text-align: center;
  position: relative;
}

.stat-number {
  font-size: 2rem;
  font-weight: 900;
  color: var(--accent-cyan);
  display: block;
  font-family: var(--font-mono);
  letter-spacing: -0.02em;
}

.stat-label {
  font-size: 0.7rem;
  color: var(--text-secondary);
  text-transform: uppercase;
  letter-spacing: 0.12em;
  font-weight: 600;
}

/* ─── Navigation Tabs ───────────────────────────────── */
.nav-tabs {
  display: flex;
  justify-content: center;
  gap: 6px;
  flex-wrap: nowrap;
  margin-bottom: 48px;
  padding: 6px;
  background: rgba(255,255,255,0.02);
  border: 1px solid var(--border-subtle);
  border-radius: 50px;
  max-width: fit-content;
  margin-left: auto;
  margin-right: auto;
  backdrop-filter: blur(20px);
  overflow-x: auto;
  scrollbar-width: none;
  -ms-overflow-style: none;
}

.nav-tabs::-webkit-scrollbar { display: none; }

.tab-btn {
  display: flex;
  align-items: center;
  gap: 7px;
  background: transparent;
  border: 1px solid transparent;
  border-radius: 50px;
  padding: 10px 20px;
  font-family: var(--font-sans);
  font-size: 0.82rem;
  font-weight: 600;
  color: var(--text-secondary);
  cursor: pointer;
  transition: var(--transition);
  white-space: nowrap;
  flex-shrink: 0;
}

.tab-btn:hover {
  color: var(--text-primary);
  background: rgba(255,255,255,0.04);
}

.tab-btn.active {
  background: rgba(0,212,255,0.12);
  border-color: rgba(0,212,255,0.3);
  color: var(--accent-cyan);
  box-shadow: 0 0 20px rgba(0,212,255,0.15), inset 0 0 20px rgba(0,212,255,0.05);
}

.tab-icon { font-size: 1rem; }

/* ─── Tool Panels ───────────────────────────────────── */
.tool-panel { display: none; animation: panelIn 0.5s ease both; }
.tool-panel.active { display: block; }

@keyframes panelIn {
  from { opacity: 0; transform: translateY(16px); }
  to   { opacity: 1; transform: translateY(0); }
}

/* ─── Glass Card ────────────────────────────────────── */
.card {
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius);
  padding: 32px;
  backdrop-filter: blur(24px);
  box-shadow: var(--shadow-card);
  margin-bottom: 24px;
  transition: var(--transition);
  position: relative;
  overflow: hidden;
}

.card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 1px;
  background: linear-gradient(90deg, transparent, rgba(0,212,255,0.3), transparent);
  opacity: 0;
  transition: var(--transition);
}

.card:hover {
  border-color: rgba(0,212,255,0.2);
  background: var(--bg-card-hover);
  transform: translateY(-2px);
  box-shadow: 0 8px 40px rgba(0, 0, 0, 0.4), 0 0 60px rgba(0, 212, 255, 0.08);
}

.card:hover::before { opacity: 1; }

.card-header {
  display: flex;
  align-items: center;
  gap: 16px;
  margin-bottom: 28px;
  padding-bottom: 20px;
  border-bottom: 1px solid var(--border-subtle);
}

.card-icon {
  width: 48px; height: 48px;
  border-radius: 14px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.5rem;
  flex-shrink: 0;
  position: relative;
}

.card-icon.cyan    { background: rgba(0,212,255,0.1); border: 1px solid rgba(0,212,255,0.25); }
.card-icon.green   { background: rgba(0,255,136,0.08); border: 1px solid rgba(0,255,136,0.25); }
.card-icon.purple  { background: rgba(168,85,247,0.1); border: 1px solid rgba(168,85,247,0.25); }
.card-icon.orange  { background: rgba(255,159,67,0.1); border: 1px solid rgba(255,159,67,0.25); }
.card-icon.yellow  { background: rgba(255,215,0,0.1); border: 1px solid rgba(255,215,0,0.25); }
.card-icon.red     { background: rgba(255,71,87,0.1); border: 1px solid rgba(255,71,87,0.25); }

.card-title {
  font-size: 1.2rem;
  font-weight: 700;
  color: var(--text-primary);
  letter-spacing: -0.01em;
}

.card-desc {
  font-size: 0.82rem;
  color: var(--text-secondary);
  margin-top: 2px;
  line-height: 1.5;
}

/* ─── Form Elements ─────────────────────────────────── */
.form-group { margin-bottom: 20px; }

label {
  display: block;
  font-size: 0.75rem;
  font-weight: 700;
  color: var(--text-secondary);
  text-transform: uppercase;
  letter-spacing: 0.1em;
  margin-bottom: 10px;
}

input[type="text"],
input[type="number"],
input[type="password"],
textarea,
select {
  width: 100%;
  background: rgba(255,255,255,0.03);
  border: 1px solid rgba(255,255,255,0.08);
  border-radius: var(--radius-sm);
  padding: 14px 18px;
  font-family: var(--font-mono);
  font-size: 0.88rem;
  color: var(--text-primary);
  outline: none;
  transition: var(--transition);
  -webkit-appearance: none;
  -moz-appearance: none;
  appearance: none;
}

input:focus, textarea:focus, select:focus {
  border-color: var(--accent-cyan);
  background: rgba(0,212,255,0.04);
  box-shadow: 0 0 0 4px rgba(0,212,255,0.08);
}

textarea { resize: vertical; min-height: 100px; }

select option { background: #0c1421; }

/* ─── Buttons ───────────────────────────────────────── */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 12px 28px;
  border-radius: var(--radius-sm);
  font-family: var(--font-sans);
  font-size: 0.88rem;
  font-weight: 700;
  cursor: pointer;
  border: none;
  transition: var(--transition);
  letter-spacing: 0.02em;
  position: relative;
  overflow: hidden;
}

.btn-primary {
  background: linear-gradient(135deg, var(--accent-cyan), #0099cc);
  color: #000;
  box-shadow: 0 4px 20px rgba(0,212,255,0.25);
}

.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 32px rgba(0,212,255,0.4);
}

.btn-primary:active { transform: translateY(0); }

.btn-secondary {
  background: rgba(255,255,255,0.05);
  border: 1px solid rgba(255,255,255,0.1);
  color: var(--text-primary);
}

.btn-secondary:hover {
  background: rgba(255,255,255,0.08);
  border-color: rgba(255,255,255,0.2);
  transform: translateY(-2px);
}

.btn-group { display: flex; gap: 12px; flex-wrap: wrap; margin-top: 8px; }

/* ─── Result / Output Box ───────────────────────────── */
.output-box {
  background: rgba(0,0,0,0.35);
  border: 1px solid rgba(0,212,255,0.12);
  border-radius: var(--radius-sm);
  padding: 20px;
  font-family: var(--font-mono);
  font-size: 0.84rem;
  color: var(--accent-green);
  min-height: 80px;
  margin-top: 20px;
  white-space: pre-wrap;
  word-break: break-all;
  position: relative;
  overflow: hidden;
  line-height: 1.7;
}

.output-box::before {
  content: '// OUTPUT';
  position: absolute;
  top: 8px; right: 14px;
  font-size: 0.6rem;
  font-weight: 700;
  color: var(--text-muted);
  letter-spacing: 0.12em;
}

.output-box.error { color: var(--accent-red); border-color: rgba(255,71,87,0.25); }
.output-box.info  { color: var(--accent-cyan); }

/* ─── Strength Meter ────────────────────────────────── */
.strength-meter { margin-top: 24px; }

.strength-bar-container {
  height: 8px;
  background: rgba(255,255,255,0.05);
  border-radius: 50px;
  overflow: hidden;
  margin: 10px 0;
}

.strength-bar {
  height: 100%;
  border-radius: 50px;
  transition: width 0.6s cubic-bezier(0.34, 1.56, 0.64, 1), background 0.4s ease;
  width: 0%;
}

.strength-label {
  font-family: var(--font-mono);
  font-size: 0.85rem;
  font-weight: 700;
}

.strength-details {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 10px;
  margin-top: 18px;
}

.check-item {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 0.8rem;
  color: var(--text-secondary);
  padding: 10px 14px;
  background: rgba(255,255,255,0.02);
  border-radius: 10px;
  border: 1px solid rgba(255,255,255,0.04);
  transition: var(--transition);
}

.check-item.pass { color: var(--accent-green); border-color: rgba(0,255,136,0.15); background: rgba(0,255,136,0.04); }
.check-item.fail { color: rgba(255,71,87,0.6); }

.check-icon { font-size: 1rem; flex-shrink: 0; }

.entropy-display {
  margin-top: 14px;
  padding: 14px 18px;
  background: rgba(0,212,255,0.04);
  border-radius: 10px;
  border: 1px solid rgba(0,212,255,0.12);
  font-family: var(--font-mono);
  font-size: 0.82rem;
  color: var(--accent-cyan);
}

.suggestions-list {
  list-style: none;
  margin-top: 14px;
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.suggestions-list li {
  padding: 10px 14px;
  background: rgba(255,255,255,0.02);
  border-radius: 10px;
  font-size: 0.82rem;
  color: var(--text-secondary);
  border-left: 3px solid transparent;
}

.suggestions-list li.warn  { border-color: var(--accent-orange); color: #ffc490; }
.suggestions-list li.good  { border-color: var(--accent-green);  color: #85ffbf; }
.suggestions-list li.bad   { border-color: var(--accent-red);    color: #ff8ca3; }

/* ─── Hash Result Table ─────────────────────────────── */
.hash-table {
  width: 100%;
  border-collapse: collapse;
  font-family: var(--font-mono);
  font-size: 0.78rem;
  margin-top: 16px;
}

.hash-table th {
  text-align: left;
  padding: 12px 16px;
  background: rgba(255,255,255,0.04);
  color: var(--text-secondary);
  font-size: 0.68rem;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  font-weight: 700;
}

.hash-table td {
  padding: 12px 16px;
  border-bottom: 1px solid rgba(255,255,255,0.03);
  color: var(--accent-green);
  word-break: break-all;
}

.hash-table tr:hover td { background: rgba(0,212,255,0.03); }

.algo-badge {
  display: inline-block;
  padding: 4px 12px;
  border-radius: 50px;
  font-size: 0.68rem;
  font-weight: 700;
  background: rgba(0,212,255,0.08);
  color: var(--accent-cyan);
  border: 1px solid rgba(0,212,255,0.2);
}

/* ─── Copy Button ───────────────────────────────────── */
.copy-btn {
  background: none;
  border: 1px solid rgba(255,255,255,0.08);
  border-radius: var(--radius-xs);
  padding: 4px 12px;
  font-size: 0.68rem;
  color: var(--text-secondary);
  cursor: pointer;
  transition: var(--transition);
  font-family: var(--font-sans);
  font-weight: 600;
}

.copy-btn:hover { background: rgba(0,212,255,0.08); color: var(--accent-cyan); border-color: rgba(0,212,255,0.3); }

/* ─── Radio / Checkbox Row ──────────────────────────── */
.radio-row, .checkbox-row {
  display: flex;
  gap: 10px;
  flex-wrap: wrap;
  margin-top: 8px;
}

.radio-option, .checkbox-option {
  display: flex;
  align-items: center;
  gap: 8px;
  cursor: pointer;
  padding: 10px 18px;
  border-radius: 10px;
  border: 1px solid rgba(255,255,255,0.06);
  transition: var(--transition);
  font-size: 0.84rem;
  font-weight: 500;
  color: var(--text-secondary);
  background: rgba(255,255,255,0.02);
}

.radio-option:hover, .checkbox-option:hover {
  border-color: var(--accent-cyan);
  background: rgba(0,212,255,0.04);
  color: var(--text-primary);
}

.radio-option input[type="radio"],
.checkbox-option input[type="checkbox"] {
  accent-color: var(--accent-cyan);
  width: auto;
}

/* ─── Network Results ───────────────────────────────── */
.net-result-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
  gap: 14px;
  margin-top: 16px;
}

.net-result-item {
  background: rgba(255,255,255,0.02);
  border: 1px solid rgba(255,255,255,0.05);
  border-radius: 12px;
  padding: 16px 18px;
  transition: var(--transition);
}

.net-result-item:hover { border-color: rgba(0,212,255,0.25); transform: translateY(-2px); }

.net-result-label {
  font-size: 0.68rem;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  color: var(--text-muted);
  margin-bottom: 6px;
  font-weight: 700;
}

.net-result-value {
  font-family: var(--font-mono);
  font-size: 0.88rem;
  font-weight: 600;
  color: var(--accent-cyan);
  word-break: break-all;
}

/* ─── Port Status Indicator ─────────────────────────── */
.port-status {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 10px 20px;
  border-radius: 50px;
  font-weight: 700;
  font-size: 0.95rem;
  margin-top: 12px;
}

.port-status.open   { background: rgba(0,255,136,0.1); color: var(--accent-green); border: 1px solid rgba(0,255,136,0.25); }
.port-status.closed { background: rgba(255,71,87,0.1); color: var(--accent-red);   border: 1px solid rgba(255,71,87,0.25); }

/* ─── Password Generator ────────────────────────────── */
.gen-output {
  padding: 20px 24px;
  background: rgba(0,0,0,0.4);
  border: 1px solid rgba(0,212,255,0.15);
  border-radius: var(--radius-sm);
  font-family: var(--font-mono);
  font-size: 1.15rem;
  font-weight: 600;
  color: var(--accent-cyan);
  letter-spacing: 0.04em;
  text-align: center;
  word-break: break-all;
  min-height: 60px;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: var(--transition);
}

.gen-output.has-value {
  border-color: rgba(0,255,136,0.25);
  box-shadow: 0 0 30px rgba(0,255,136,0.08);
}

/* Range Slider */
.range-group {
  display: flex;
  align-items: center;
  gap: 16px;
}

.range-group input[type="range"] {
  -webkit-appearance: none;
  appearance: none;
  width: 100%;
  height: 6px;
  background: rgba(255,255,255,0.06);
  border-radius: 50px;
  outline: none;
  border: none;
  padding: 0;
}

.range-group input[type="range"]::-webkit-slider-thumb {
  -webkit-appearance: none;
  width: 20px;
  height: 20px;
  border-radius: 50%;
  background: var(--accent-cyan);
  cursor: pointer;
  box-shadow: 0 0 10px rgba(0,212,255,0.5);
  transition: var(--transition-fast);
}

.range-group input[type="range"]::-webkit-slider-thumb:hover {
  transform: scale(1.2);
  box-shadow: 0 0 18px rgba(0,212,255,0.7);
}

.range-value {
  font-family: var(--font-mono);
  font-size: 1.2rem;
  font-weight: 700;
  color: var(--accent-cyan);
  min-width: 36px;
  text-align: center;
}

/* ─── Diff Tool ─────────────────────────────────────── */
.diff-output {
  background: rgba(0,0,0,0.35);
  border: 1px solid rgba(255,255,255,0.08);
  border-radius: var(--radius-sm);
  padding: 0;
  font-family: var(--font-mono);
  font-size: 0.82rem;
  max-height: 500px;
  overflow-y: auto;
  margin-top: 20px;
}

.diff-line {
  padding: 6px 18px;
  border-bottom: 1px solid rgba(255,255,255,0.02);
  white-space: pre-wrap;
  word-break: break-all;
}

.diff-line.add {
  background: rgba(0,255,136,0.06);
  color: var(--accent-green);
  border-left: 3px solid var(--accent-green);
}

.diff-line.remove {
  background: rgba(255,71,87,0.06);
  color: var(--accent-red);
  border-left: 3px solid var(--accent-red);
}

.diff-line.context {
  color: var(--text-muted);
  border-left: 3px solid transparent;
}

.diff-line.header {
  background: rgba(168,85,247,0.06);
  color: var(--accent-purple);
  border-left: 3px solid var(--accent-purple);
  font-weight: 600;
}

.diff-stats {
  display: flex;
  gap: 20px;
  margin-top: 14px;
  font-size: 0.82rem;
  font-family: var(--font-mono);
}

.diff-stats .stat-add { color: var(--accent-green); }
.diff-stats .stat-remove { color: var(--accent-red); }
.diff-stats .stat-same { color: var(--text-muted); }

/* ─── Footer ────────────────────────────────────────── */
footer {
  text-align: center;
  padding: 48px 28px 24px;
  color: var(--text-muted);
  font-size: 0.8rem;
  position: relative;
  z-index: 1;
  border-top: 1px solid var(--border-subtle);
  margin-top: 40px;
}

footer span { color: var(--accent-cyan); font-weight: 700; }

/* ─── Scrollbar ─────────────────────────────────────── */
::-webkit-scrollbar { width: 6px; }
::-webkit-scrollbar-track { background: var(--bg-primary); }
::-webkit-scrollbar-thumb { background: rgba(0,212,255,0.2); border-radius: 50px; }
::-webkit-scrollbar-thumb:hover { background: rgba(0,212,255,0.4); }

/* ─── Animations ────────────────────────────────────── */
@keyframes fadeInDown {
  from { opacity: 0; transform: translateY(-18px); }
  to   { opacity: 1; transform: translateY(0); }
}

@keyframes fadeInUp {
  from { opacity: 0; transform: translateY(18px); }
  to   { opacity: 1; transform: translateY(0); }
}

/* ─── Interactive Password Grader ─────────────────────── */
.password-grader-container {
  padding: 40px 30px;
  border-radius: var(--radius);
  transition: all 0.5s ease;
  background: rgba(0, 0, 0, 0.15);
  border: 2px solid transparent;
}
.password-grader-container.state-red    { background: rgba(255, 71, 87, 0.04); border-color: rgba(255, 71, 87, 0.35); box-shadow: 0 0 50px rgba(255, 71, 87, 0.1); }
.password-grader-container.state-yellow { background: rgba(255, 215, 0, 0.04); border-color: rgba(255, 215, 0, 0.35); box-shadow: 0 0 50px rgba(255, 215, 0, 0.1); }
.password-grader-container.state-green  { background: rgba(0, 255, 136, 0.04); border-color: rgba(0, 255, 136, 0.35); box-shadow: 0 0 50px rgba(0, 255, 136, 0.1); }

.giant-input {
  font-size: 1.8rem !important;
  padding: 24px 30px !important;
  text-align: center;
  border-radius: var(--radius) !important;
  font-weight: 700;
  letter-spacing: 0.05em;
  height: auto !important;
  transition: all 0.3s ease;
}
.giant-input:focus { transform: scale(1.02); }
.giant-btn {
  font-size: 1.6rem !important;
  padding: 20px 24px !important;
  border-radius: var(--radius) !important;
}

/* ─── Split Pane Layout ─────────────────────────────── */
.split-pane {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 32px;
  align-items: start;
}
.split-left, .split-right {
  display: flex;
  flex-direction: column;
}
.split-output {
  flex-grow: 1;
  min-height: 120px;
  margin-top: 8px;
  font-size: 1rem;
}

/* ─── Steganography Polish ──────────────────────────── */
.stego-magic-box {
  position: relative;
  overflow: hidden;
}
.stego-magic-box.processing::after {
  content: '';
  position: absolute;
  top: 0; left: -100%;
  width: 50%; height: 100%;
  background: linear-gradient(90deg, transparent, rgba(0,255,136,0.15), transparent);
  animation: scanline 2s infinite linear;
  pointer-events: none;
}
@keyframes scanline {
  0% { left: -100%; }
  100% { left: 200%; }
}
.magic-textarea {
  font-size: 1.05rem !important;
  min-height: 150px !important;
}

/* ─── Responsive ────────────────────────────────────── */
@media (max-width: 1024px) {
  .strength-details { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 800px) {
  .split-pane { grid-template-columns: 1fr; gap: 20px; }
  .nav-tabs { max-width: 100%; justify-content: flex-start; }
}

@media (max-width: 640px) {
  .card { padding: 20px; }
  .strength-details { grid-template-columns: 1fr; }
  .net-result-grid { grid-template-columns: 1fr 1fr; }
  .btn { padding: 10px 18px; font-size: 0.85rem; }
  .giant-input { font-size: 1.2rem !important; padding: 16px !important; }
  header { padding: 48px 20px 36px; }
  .header-stats { gap: 24px; }
  .stat-number { font-size: 1.6rem; }
}