:root, [data-theme="matrix"] {
  --bg-primary: #040906;
  --bg-secondary: #08140c;
  --bg-card: #0c1c11;
  --bg-hover: #12281a;
  --bg-input: #030a05;
  --border-color: #134221;
  --border-focus: #00ff66;
  --text-main: #00ff66;
  --text-muted: #6ee7b7;
  --text-dim: #10b981;
  --accent-blue: #00ff66;
  --accent-cyan: #05ffa1;
  --accent-green: #00ff66;
  --accent-amber: #facc15;
  --accent-red: #ff3366;
  --accent-purple: #34d399;
  --radius-sm: 4px;
  --radius-md: 6px;
  --radius-lg: 8px;
  --shadow-lg: 0 10px 30px -5px rgba(0, 0, 0, 0.8), 0 0 15px rgba(0, 255, 102, 0.15);
  --shadow-glow: 0 0 20px rgba(0, 255, 102, 0.45);
  --transition: all 0.2s cubic-bezier(0.4, 0, 0.2, 1);
  --font-family: 'JetBrains Mono', 'Fira Code', 'Consolas', 'Courier New', monospace;
}

[data-theme="cyberpunk"] {
  --bg-primary: #080612;
  --bg-secondary: #100c22;
  --bg-card: #171131;
  --bg-hover: #221a44;
  --bg-input: #0a0718;
  --border-color: #432168;
  --border-focus: #ff007f;
  --text-main: #00f0ff;
  --text-muted: #ff77c6;
  --text-dim: #b854d4;
  --accent-blue: #00f0ff;
  --accent-cyan: #ff007f;
  --accent-green: #00f0ff;
  --accent-amber: #fcee0a;
  --accent-red: #ff0055;
  --accent-purple: #a855f7;
  --shadow-lg: 0 10px 30px -5px rgba(0, 0, 0, 0.9), 0 0 15px rgba(255, 0, 127, 0.25);
  --shadow-glow: 0 0 20px rgba(0, 240, 255, 0.5);
  --font-family: 'JetBrains Mono', 'Fira Code', 'Consolas', monospace;
}

[data-theme="stealth"] {
  --bg-primary: #0a0e17;
  --bg-secondary: #111827;
  --bg-card: #162035;
  --bg-hover: #1e2c47;
  --bg-input: #0c121e;
  --border-color: #243552;
  --border-focus: #38bdf8;
  --text-main: #f1f5f9;
  --text-muted: #94a3b8;
  --text-dim: #64748b;
  --accent-blue: #38bdf8;
  --accent-cyan: #06b6d4;
  --accent-green: #10b981;
  --accent-amber: #f59e0b;
  --accent-red: #ef4444;
  --accent-purple: #8b5cf6;
  --shadow-lg: 0 10px 25px -5px rgba(0, 0, 0, 0.6);
  --shadow-glow: 0 0 20px rgba(56, 189, 248, 0.3);
  --font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
}

* {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
  font-family: var(--font-family);
}

body {
  background-color: var(--bg-primary);
  color: var(--text-main);
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  overflow-x: hidden;
  position: relative;
}

/* Background Matrix Canvas */
#matrixCanvas {
  position: fixed;
  inset: 0;
  width: 100%;
  height: 100%;
  pointer-events: none;
  z-index: 0;
  opacity: 0.16;
}

/* Scanlines overlay */
.scanlines-overlay {
  position: fixed;
  inset: 0;
  pointer-events: none;
  z-index: 1;
  background: linear-gradient(
    rgba(18, 16, 16, 0) 50%, 
    rgba(0, 0, 0, 0.25) 50%
  ), linear-gradient(
    90deg,
    rgba(255, 0, 0, 0.03),
    rgba(0, 255, 0, 0.01),
    rgba(0, 0, 255, 0.03)
  );
  background-size: 100% 3px, 6px 100%;
  opacity: 0.8;
}

/* Header */
.app-header {
  background: rgba(8, 20, 12, 0.85);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border-color);
  padding: 0.75rem 1.5rem;
  position: sticky;
  top: 0;
  z-index: 40;
  display: flex;
  justify-content: space-between;
  align-items: center;
  box-shadow: 0 2px 15px rgba(0, 0, 0, 0.6);
}

[data-theme="cyberpunk"] .app-header {
  background: rgba(16, 12, 34, 0.88);
}
[data-theme="stealth"] .app-header {
  background: rgba(17, 24, 39, 0.88);
}

.brand {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  font-size: 1.15rem;
  font-weight: 700;
  letter-spacing: 0.05em;
  color: var(--text-main);
  text-shadow: 0 0 10px currentColor;
}

.brand-icon {
  background: var(--bg-card);
  color: var(--text-main);
  width: 38px;
  height: 38px;
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.25rem;
  border: 1px solid var(--border-focus);
  box-shadow: var(--shadow-glow);
}

.brand-badge {
  font-size: 0.65rem;
  background: rgba(0, 255, 102, 0.1);
  color: var(--text-main);
  padding: 2px 7px;
  border-radius: 3px;
  border: 1px solid var(--border-focus);
  font-weight: 600;
  margin-left: 6px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

[data-theme="cyberpunk"] .brand-badge {
  background: rgba(255, 0, 127, 0.15);
  border-color: #ff007f;
  color: #ff77c6;
}

.header-actions {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  z-index: 10;
}

/* Theme Picker Select in Header */
.theme-picker-select {
  background: var(--bg-input);
  color: var(--text-main);
  border: 1px solid var(--border-color);
  padding: 0.35rem 0.65rem;
  border-radius: var(--radius-sm);
  font-size: 0.8rem;
  outline: none;
  cursor: pointer;
  transition: var(--transition);
}
.theme-picker-select:hover, .theme-picker-select:focus {
  border-color: var(--border-focus);
  box-shadow: 0 0 8px var(--border-focus);
}

/* Main Container */
.container {
  max-width: 1320px;
  margin: 0 auto;
  padding: 1.5rem;
  width: 100%;
  position: relative;
  z-index: 10;
}

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  padding: 0.5rem 1rem;
  border-radius: var(--radius-sm);
  font-size: 0.825rem;
  font-weight: 600;
  cursor: pointer;
  border: 1px solid transparent;
  transition: var(--transition);
  outline: none;
  white-space: nowrap;
  letter-spacing: 0.05em;
  text-transform: uppercase;
}

.btn-primary {
  background: rgba(0, 255, 102, 0.12);
  color: var(--text-main);
  border-color: var(--border-focus);
  box-shadow: 0 0 10px rgba(0, 255, 102, 0.25);
}
.btn-primary:hover {
  background: var(--border-focus);
  color: #040906;
  box-shadow: 0 0 18px var(--border-focus);
  transform: translateY(-1px);
}

[data-theme="cyberpunk"] .btn-primary {
  background: rgba(255, 0, 127, 0.18);
  border-color: #ff007f;
  color: #ff007f;
}
[data-theme="cyberpunk"] .btn-primary:hover {
  background: #ff007f;
  color: #ffffff;
  box-shadow: 0 0 18px #ff007f;
}

[data-theme="stealth"] .btn-primary {
  background: linear-gradient(135deg, #0284c7, #0369a1);
  color: #fff;
  border-color: #38bdf8;
}

.btn-secondary {
  background: var(--bg-hover);
  color: var(--text-main);
  border-color: var(--border-color);
}
.btn-secondary:hover {
  border-color: var(--border-focus);
  color: #fff;
  box-shadow: 0 0 8px rgba(0, 255, 102, 0.2);
}

.btn-danger {
  background: rgba(255, 51, 102, 0.15);
  color: var(--accent-red);
  border-color: rgba(255, 51, 102, 0.4);
}
.btn-danger:hover {
  background: var(--accent-red);
  color: #fff;
  box-shadow: 0 0 12px var(--accent-red);
}

.btn-icon {
  padding: 0.4rem;
  width: 34px;
  height: 34px;
  border-radius: var(--radius-sm);
}
.btn-sm {
  padding: 0.3rem 0.65rem;
  font-size: 0.75rem;
}

/* Stats Section */
.stats-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
  gap: 1rem;
  margin-bottom: 1.5rem;
}

.stat-card {
  background: var(--bg-secondary);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-sm);
  padding: 1rem;
  display: flex;
  align-items: center;
  gap: 0.85rem;
  transition: var(--transition);
  cursor: pointer;
  position: relative;
  overflow: hidden;
}
.stat-card::after {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 3px;
  height: 100%;
  background: var(--border-focus);
  box-shadow: 0 0 8px var(--border-focus);
}
.stat-card:hover {
  border-color: var(--border-focus);
  box-shadow: var(--shadow-glow);
  transform: translateY(-2px);
}

.stat-icon {
  width: 40px;
  height: 40px;
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.25rem;
  background: var(--bg-card);
  border: 1px solid var(--border-color);
}

.stat-value {
  font-size: 1.4rem;
  font-weight: 700;
  color: var(--text-main);
  line-height: 1.2;
  letter-spacing: 0.05em;
  text-shadow: 0 0 8px currentColor;
}

.stat-label {
  font-size: 0.7rem;
  color: var(--text-dim);
  text-transform: uppercase;
  letter-spacing: 0.08em;
  font-weight: 600;
}

/* Controls Bar */
.controls-bar {
  background: var(--bg-secondary);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-sm);
  padding: 1rem;
  margin-bottom: 1.5rem;
  display: flex;
  flex-direction: column;
  gap: 0.85rem;
  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.4);
}

.controls-row-1 {
  display: flex;
  gap: 0.75rem;
  align-items: center;
  flex-wrap: wrap;
}

.search-box {
  flex: 1;
  min-width: 260px;
  position: relative;
}

.search-icon {
  position: absolute;
  left: 12px;
  top: 50%;
  transform: translateY(-50%);
  color: var(--text-dim);
  pointer-events: none;
}

.search-input {
  width: 100%;
  background: var(--bg-input);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-sm);
  padding: 0.6rem 0.75rem 0.6rem 2.4rem;
  color: var(--text-main);
  font-size: 0.85rem;
  outline: none;
  transition: var(--transition);
  font-family: var(--font-family);
}
.search-input:focus {
  border-color: var(--border-focus);
  box-shadow: 0 0 12px rgba(0, 255, 102, 0.3);
}

.category-tabs {
  display: flex;
  gap: 0.4rem;
  overflow-x: auto;
  padding-bottom: 4px;
}

.tab-btn {
  background: transparent;
  color: var(--text-dim);
  border: 1px solid transparent;
  padding: 0.4rem 0.75rem;
  border-radius: var(--radius-sm);
  font-size: 0.78rem;
  cursor: pointer;
  white-space: nowrap;
  display: flex;
  align-items: center;
  gap: 0.4rem;
  transition: var(--transition);
  font-family: var(--font-family);
  text-transform: uppercase;
  letter-spacing: 0.05em;
}
.tab-btn:hover {
  color: var(--text-main);
  background: var(--bg-hover);
  border-color: var(--border-color);
}
.tab-btn.active {
  background: rgba(0, 255, 102, 0.15);
  color: var(--text-main);
  border-color: var(--border-focus);
  box-shadow: 0 0 10px rgba(0, 255, 102, 0.3);
  font-weight: 700;
}

[data-theme="cyberpunk"] .tab-btn.active {
  background: rgba(255, 0, 127, 0.18);
  color: #ff007f;
  border-color: #ff007f;
  box-shadow: 0 0 10px rgba(255, 0, 127, 0.4);
}

/* Key Cards Grid */
.keys-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(360px, 1fr));
  gap: 1.25rem;
  position: relative;
  z-index: 10;
}

.key-card {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-sm);
  padding: 1.15rem;
  display: flex;
  flex-direction: column;
  gap: 0.85rem;
  position: relative;
  transition: var(--transition);
}
.key-card::before {
  content: '';
  position: absolute;
  top: 0;
  right: 0;
  width: 0;
  height: 0;
  border-style: solid;
  border-width: 0 14px 14px 0;
  border-color: transparent var(--border-focus) transparent transparent;
}
.key-card:hover {
  border-color: var(--border-focus);
  box-shadow: var(--shadow-glow);
  transform: translateY(-2px);
}

.key-card-header {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  gap: 0.5rem;
}

.category-badge {
  font-size: 0.65rem;
  font-weight: 700;
  text-transform: uppercase;
  padding: 2px 7px;
  border-radius: 3px;
  display: inline-flex;
  align-items: center;
  gap: 0.3rem;
  letter-spacing: 0.05em;
}

.category-api { background: rgba(0, 255, 102, 0.15); color: #00ff66; border: 1px solid #00ff66; }
.category-license { background: rgba(0, 240, 255, 0.15); color: #00f0ff; border: 1px solid #00f0ff; }
.category-ssh { background: rgba(168, 85, 247, 0.15); color: #c084fc; border: 1px solid #a855f7; }
.category-game { background: rgba(250, 204, 21, 0.15); color: #facc15; border: 1px solid #facc15; }
.category-token { background: rgba(255, 0, 127, 0.15); color: #ff007f; border: 1px solid #ff007f; }
.category-custom { background: rgba(148, 163, 184, 0.15); color: #cbd5e1; border: 1px solid #94a3b8; }

.key-title {
  font-size: 0.95rem;
  font-weight: 700;
  color: var(--text-main);
  line-height: 1.3;
  letter-spacing: 0.03em;
}

.key-service {
  font-size: 0.72rem;
  color: var(--text-dim);
}

.card-actions {
  display: flex;
  align-items: center;
  gap: 0.2rem;
}

/* Secret Box */
.secret-box {
  background: var(--bg-input);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-sm);
  padding: 0.5rem 0.75rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 0.5rem;
  transition: var(--transition);
}
.secret-box:hover {
  border-color: var(--border-focus);
}

.secret-label {
  font-size: 0.68rem;
  color: var(--text-dim);
  text-transform: uppercase;
  font-weight: 700;
  letter-spacing: 0.05em;
  margin-bottom: 3px;
}

.secret-value {
  font-family: var(--font-family);
  font-size: 0.85rem;
  color: var(--text-main);
  word-break: break-all;
  user-select: all;
  flex: 1;
  letter-spacing: 0.06em;
}

.secret-controls {
  display: flex;
  gap: 0.3rem;
}

.tag-list {
  display: flex;
  flex-wrap: wrap;
  gap: 0.35rem;
}

.tag-badge {
  font-size: 0.7rem;
  background: var(--bg-input);
  color: var(--text-muted);
  padding: 2px 6px;
  border-radius: 3px;
  border: 1px solid var(--border-color);
  letter-spacing: 0.03em;
}

.key-card-footer {
  margin-top: auto;
  padding-top: 0.6rem;
  border-top: 1px solid var(--border-color);
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: 0.72rem;
  color: var(--text-dim);
}

.expiry-tag {
  display: inline-flex;
  align-items: center;
  gap: 0.3rem;
  padding: 2px 6px;
  border-radius: 3px;
  font-size: 0.68rem;
  font-weight: 600;
}
.expiry-tag.active { color: var(--accent-green); background: rgba(0, 255, 102, 0.1); border: 1px solid var(--accent-green); }
.expiry-tag.warning { color: var(--accent-amber); background: rgba(250, 204, 21, 0.1); border: 1px solid var(--accent-amber); }
.expiry-tag.expired { color: var(--accent-red); background: rgba(255, 51, 102, 0.1); border: 1px solid var(--accent-red); }

/* Lock Screen */
.lock-screen-wrapper {
  min-height: 85vh;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 1.5rem;
  position: relative;
  z-index: 10;
}

.lock-card {
  background: var(--bg-secondary);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-sm);
  padding: 2.25rem;
  width: 100%;
  max-width: 450px;
  box-shadow: 0 20px 50px rgba(0, 0, 0, 0.8), var(--shadow-glow);
  text-align: center;
  display: flex;
  flex-direction: column;
  gap: 1.25rem;
  position: relative;
}
.lock-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 3px;
  background: var(--border-focus);
  box-shadow: 0 0 10px var(--border-focus);
}

.lock-shield {
  width: 68px;
  height: 68px;
  background: rgba(0, 255, 102, 0.08);
  color: var(--text-main);
  border-radius: 50%;
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 2rem;
  border: 1px solid var(--border-focus);
  box-shadow: var(--shadow-glow);
}

/* Modals */
.modal-overlay {
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.85);
  backdrop-filter: blur(8px);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 100;
  padding: 1rem;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.2s ease;
}
.modal-overlay.open {
  opacity: 1;
  pointer-events: auto;
}

.modal-content {
  background: var(--bg-secondary);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-sm);
  width: 100%;
  max-width: 580px;
  max-height: 90vh;
  overflow-y: auto;
  box-shadow: 0 25px 60px rgba(0, 0, 0, 0.9), var(--shadow-glow);
  display: flex;
  flex-direction: column;
}

.modal-header {
  padding: 1.15rem 1.5rem;
  border-bottom: 1px solid var(--border-color);
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.modal-title {
  font-size: 1.05rem;
  font-weight: 700;
  letter-spacing: 0.05em;
  color: var(--text-main);
  text-shadow: 0 0 8px currentColor;
}

.modal-body {
  padding: 1.5rem;
  display: flex;
  flex-direction: column;
  gap: 1.1rem;
}

.modal-footer {
  padding: 1rem 1.5rem;
  border-top: 1px solid var(--border-color);
  display: flex;
  justify-content: flex-end;
  gap: 0.75rem;
  background: rgba(4, 9, 6, 0.6);
}

/* Form Inputs */
.form-group {
  display: flex;
  flex-direction: column;
  gap: 0.35rem;
}

.form-label {
  font-size: 0.75rem;
  font-weight: 700;
  color: var(--text-dim);
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.form-input, .form-select, .form-textarea {
  background: var(--bg-input);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-sm);
  padding: 0.6rem 0.75rem;
  color: var(--text-main);
  font-size: 0.85rem;
  outline: none;
  transition: var(--transition);
  font-family: var(--font-family);
}

.form-input:focus, .form-select:focus, .form-textarea:focus {
  border-color: var(--border-focus);
  box-shadow: 0 0 10px rgba(0, 255, 102, 0.35);
}

[data-theme="cyberpunk"] .form-input:focus, 
[data-theme="cyberpunk"] .form-select:focus, 
[data-theme="cyberpunk"] .form-textarea:focus {
  border-color: #ff007f;
  box-shadow: 0 0 10px rgba(255, 0, 127, 0.4);
}

.form-textarea {
  min-height: 80px;
  resize: vertical;
}

/* Toast */
.toast-container {
  position: fixed;
  bottom: 24px;
  right: 24px;
  z-index: 200;
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
  pointer-events: none;
}

.toast {
  background: var(--bg-card);
  border: 1px solid var(--border-focus);
  color: var(--text-main);
  padding: 0.75rem 1.25rem;
  border-radius: var(--radius-sm);
  box-shadow: var(--shadow-glow);
  font-size: 0.85rem;
  display: flex;
  align-items: center;
  gap: 0.6rem;
  pointer-events: auto;
  font-family: var(--font-family);
}
.toast.success { border-color: var(--accent-green); color: #00ff66; }
.toast.error { border-color: var(--accent-red); color: #ff3366; }

/* Empty state */
.empty-state {
  grid-column: 1 / -1;
  text-align: center;
  padding: 4rem 1rem;
  background: var(--bg-secondary);
  border: 1px dashed var(--border-color);
  border-radius: var(--radius-sm);
}

/* Blinking cursor */
@keyframes blink {
  0%, 100% { opacity: 1; }
  50% { opacity: 0; }
}
.cursor-blink {
  animation: blink 0.9s infinite;
  display: inline-block;
  color: var(--border-focus);
}