/* EncryptLab Styles - Dark Hacker Theme */

:root {
  /* Color Variables */
  --bg-primary: #000000;
  --bg-secondary: #0a0a0a;
  --bg-tertiary: #1a1a1a;
  --text-primary: #f5f5f5;
  --text-secondary: #999999;
  --text-tertiary: #666666;
  --border-color: #333333;
  --accent-white: #ffffff;
  --accent-glow: #888888;
  --hover-bg: #1a1a1a;
  --highlight: #00ff00;

  /* Typography */
  --font-mono: "Fira Code", "Courier New", monospace;
  --font-size-base: 14px;
  --font-size-lg: 16px;
  --font-size-xl: 20px;
  --font-size-2xl: 28px;

  /* Spacing */
  --spacing-xs: 4px;
  --spacing-sm: 8px;
  --spacing-md: 16px;
  --spacing-lg: 24px;
  --spacing-xl: 32px;

  /* Transitions */
  --transition-fast: 0.15s ease-in-out;
  --transition-smooth: 0.2s ease-in-out;
}

* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

html,
body {
  width: 100%;
  height: 100%;
  font-family: var(--font-mono);
  background-color: var(--bg-primary);
  color: var(--text-primary);
  font-size: var(--font-size-base);
  line-height: 1.6;
  overflow-x: hidden;
}

/* Scrollbar Styling */
::-webkit-scrollbar {
  width: 8px;
  height: 8px;
}

::-webkit-scrollbar-track {
  background-color: var(--bg-primary);
}

::-webkit-scrollbar-thumb {
  background-color: var(--text-tertiary);
  border-radius: 4px;
}

::-webkit-scrollbar-thumb:hover {
  background-color: var(--text-secondary);
}

/* Header */
.header {
  background-color: var(--bg-secondary);
  border-bottom: 1px solid var(--border-color);
  padding: var(--spacing-md) 0;
  position: sticky;
  top: 0;
  z-index: 100;
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.5);
}

.header-content {
  max-width: 1400px;
  margin: 0 auto;
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 0 var(--spacing-lg);
}

.logo {
  display: flex;
  align-items: center;
  gap: var(--spacing-xs);
  font-size: var(--font-size-xl);
  font-weight: 600;
  letter-spacing: 1px;
}

.logo-bracket {
  color: var(--text-secondary);
}

.logo-text {
  color: var(--accent-white);
  text-shadow: 0 0 10px rgba(255, 255, 255, 0.3);
}

.nav-menu {
  display: flex;
  gap: var(--spacing-lg);
}

.nav-link {
  color: var(--text-secondary);
  text-decoration: none;
  font-size: var(--font-size-base);
  transition: all var(--transition-smooth);
  border-bottom: 1px solid transparent;
}

.nav-link:hover {
  color: var(--accent-white);
  border-bottom-color: var(--accent-white);
}

/* Main Container */
.container {
  display: flex;
  height: calc(100vh - 60px - 60px);
  max-width: 1400px;
  margin: 0 auto;
}

/* Sidebar */
.sidebar {
  width: 280px;
  background-color: var(--bg-secondary);
  border-right: 1px solid var(--border-color);
  overflow-y: auto;
  padding: var(--spacing-lg);
}

.sidebar-header {
  margin-bottom: var(--spacing-lg);
}

.sidebar-header h2 {
  font-size: var(--font-size-lg);
  color: var(--accent-white);
  letter-spacing: 1px;
}

.algorithms-list {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-md);
}

.algorithm-card {
  background-color: var(--bg-tertiary);
  border: 1px solid var(--border-color);
  border-radius: 4px;
  padding: var(--spacing-md);
  cursor: pointer;
  transition: all var(--transition-smooth);
}

.algorithm-card:hover {
  background-color: var(--hover-bg);
  border-color: var(--accent-glow);
  box-shadow: 0 0 8px rgba(255, 255, 255, 0.1);
}

.algorithm-card.active {
  background-color: var(--hover-bg);
  border-color: var(--accent-white);
  box-shadow: 0 0 12px rgba(255, 255, 255, 0.2);
}

.algorithm-name {
  font-size: var(--font-size-lg);
  font-weight: 600;
  color: var(--accent-white);
  margin-bottom: var(--spacing-xs);
}

.algorithm-desc {
  font-size: var(--font-size-base);
  color: var(--text-secondary);
  margin-bottom: var(--spacing-sm);
  line-height: 1.4;
}

.algorithm-btn {
  width: 100%;
  padding: var(--spacing-sm) var(--spacing-md);
  background-color: transparent;
  border: 1px solid var(--text-secondary);
  color: var(--text-secondary);
  font-family: var(--font-mono);
  font-size: var(--font-size-base);
  cursor: pointer;
  border-radius: 2px;
  transition: all var(--transition-smooth);
}

.algorithm-btn:hover {
  background-color: var(--accent-white);
  color: var(--bg-primary);
  border-color: var(--accent-white);
}

/* Workspace */
.workspace {
  flex: 1;
  display: flex;
  flex-direction: column;
  overflow-y: auto;
  background-color: var(--bg-primary);
}

.workspace-content {
  padding: var(--spacing-lg);
  flex: 1;
  display: flex;
  flex-direction: column;
}

.welcome-section {
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  text-align: center;
  gap: var(--spacing-md);
  padding: var(--spacing-xl);
}

.welcome-section h1 {
  font-size: var(--font-size-2xl);
  color: var(--accent-white);
  letter-spacing: 1px;
}

.welcome-section p {
  color: var(--text-secondary);
  font-size: var(--font-size-lg);
}

/* Algorithm View */
.algorithm-view {
  animation: fadeIn 0.3s ease-in-out;
}

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

.algorithm-header {
  margin-bottom: var(--spacing-lg);
}

.algorithm-header h2 {
  font-size: var(--font-size-2xl);
  color: var(--accent-white);
  letter-spacing: 1px;
  margin-bottom: var(--spacing-sm);
}

.algorithm-header p {
  color: var(--text-secondary);
  font-size: var(--font-size-lg);
}

/* Forms */
.form-group {
  margin-bottom: var(--spacing-lg);
}

.form-label {
  display: block;
  margin-bottom: var(--spacing-sm);
  color: var(--text-primary);
  font-size: var(--font-size-base);
  font-weight: 500;
}

.form-input,
.form-textarea {
  width: 100%;
  padding: var(--spacing-md);
  background-color: var(--bg-secondary);
  border: 1px solid var(--border-color);
  color: var(--text-primary);
  font-family: var(--font-mono);
  font-size: var(--font-size-base);
  border-radius: 2px;
  transition: all var(--transition-smooth);
  resize: vertical;
  min-height: 70px;
}

.form-input:focus,
.form-textarea:focus {
  outline: none;
  border-color: var(--accent-white);
  box-shadow: 0 0 8px rgba(255, 255, 255, 0.1);
  background-color: var(--bg-tertiary);
}

.form-select {
  width: 100%;
  padding: var(--spacing-md);
  background-color: var(--bg-secondary);
  border: 1px solid var(--border-color);
  color: var(--text-primary);
  font-family: var(--font-mono);
  font-size: var(--font-size-base);
  border-radius: 2px;
  cursor: pointer;
  transition: all var(--transition-smooth);
}

.form-select:focus {
  outline: none;
  border-color: var(--accent-white);
  box-shadow: 0 0 8px rgba(255, 255, 255, 0.1);
}

/* Button Groups */
.button-group {
  display: flex;
  gap: var(--spacing-md);
  margin-bottom: var(--spacing-lg);
}

.btn {
  flex: 1;
  padding: var(--spacing-md);
  background-color: transparent;
  border: 1px solid var(--border-color);
  color: var(--text-primary);
  font-family: var(--font-mono);
  font-size: var(--font-size-base);
  font-weight: 600;
  cursor: pointer;
  border-radius: 8px; /* UPDATED */
  transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1); /* UPDATED */
  letter-spacing: 0.5px;
  position: relative; /* ADDED */
  overflow: hidden; /* ADDED */
}

/* UPDATED: Modern button hover effects and loading state */
.btn:hover:not(.btn-loading):not(:disabled) {
  background-color: var(--accent-white);
  color: var(--bg-primary);
  border-color: var(--accent-white);
  box-shadow: 0 4px 16px rgba(255, 255, 255, 0.2); /* ADDED */
  transform: translateY(-2px); /* ADDED */
}

.btn-loading {
  /* ADDED */
  opacity: 0.7;
  cursor: not-allowed;
}

.btn-loading::after {
  /* ADDED */
  content: "";
  position: absolute;
  top: 50%;
  left: 50%;
  width: 4px;
  height: 4px;
  margin: -2px 0 0 -2px;
  border-radius: 50%;
  background-color: currentColor;
  animation: pulse-dot 1.2s infinite;
}

@keyframes pulse-dot {
  /* ADDED */
  0%,
  100% {
    opacity: 0;
    transform: scale(0);
  }
  50% {
    opacity: 1;
    transform: scale(1);
  }
}

.btn-secondary {
  flex: none;
  padding: var(--spacing-sm) var(--spacing-md);
  font-size: var(--font-size-base);
  border-radius: 6px; /* UPDATED */
}

.btn-secondary:hover:not(:disabled) {
  /* UPDATED */
  background-color: var(--accent-white);
  color: var(--bg-primary);
  border-color: var(--accent-white);
  box-shadow: 0 2px 12px rgba(255, 255, 255, 0.15); /* ADDED */
  transform: translateY(-1px); /* ADDED */
}

/* Output Section */
.output-section {
  margin-top: var(--spacing-lg);
  padding-top: var(--spacing-lg);
  border-top: 1px solid var(--border-color);
}

.output-label {
  color: var(--text-primary);
  font-size: var(--font-size-base);
  font-weight: 500;
  margin-bottom: var(--spacing-sm);
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.output-textarea {
  width: 100%;
  padding: var(--spacing-md);
  background-color: var(--bg-secondary);
  border: 1px solid var(--border-color);
  color: var(--highlight);
  font-family: var(--font-mono);
  font-size: var(--font-size-base);
  border-radius: 2px;
  min-height: 120px;
  resize: vertical;
  readonly: true;
}

/* Console Panel */
.console-panel {
  margin-top: var(--spacing-lg);
  padding-top: var(--spacing-lg);
  border-top: 1px solid var(--border-color);
}

.console-header {
  color: var(--text-primary);
  font-size: var(--font-size-base);
  font-weight: 600;
  margin-bottom: var(--spacing-md);
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.console-log {
  background-color: var(--bg-secondary);
  border: 1px solid var(--border-color);
  border-radius: 2px;
  padding: var(--spacing-md);
  max-height: 200px;
  overflow-y: auto;
  font-size: var(--font-size-base);
}

.console-line {
  color: var(--text-secondary);
  margin-bottom: var(--spacing-xs);
  word-break: break-all;
  white-space: pre-wrap;
}

.console-line.error {
  color: #ff6b6b;
}

.console-line.success {
  color: var(--highlight);
}

/* Footer */
.footer {
  background-color: var(--bg-secondary);
  border-top: 1px solid var(--border-color);
  padding: var(--spacing-md) var(--spacing-lg);
  text-align: center;
  color: var(--text-tertiary);
  font-size: var(--font-size-base);
  height: 60px;
  display: flex;
  align-items: center;
  justify-content: center;
}

/* Responsive Design */
@media (max-width: 900px) {
  .container {
    flex-direction: column;
    height: auto;
  }

  .sidebar {
    width: 100%;
    border-right: none;
    border-bottom: 1px solid var(--border-color);
    max-height: 300px;
    overflow-x: auto;
  }

  .algorithms-list {
    flex-direction: row;
    overflow-x: auto;
  }

  .algorithm-card {
    min-width: 200px;
  }

  .workspace {
    min-height: 500px;
  }

  .nav-menu {
    gap: var(--spacing-md);
  }

  .logo {
    font-size: var(--font-size-lg);
  }
}

@media (max-width: 600px) {
  .header-content {
    flex-direction: column;
    gap: var(--spacing-md);
    padding: 0 var(--spacing-md);
  }

  .nav-menu {
    flex-direction: column;
    gap: var(--spacing-sm);
    width: 100%;
  }

  .nav-link {
    display: block;
    text-align: center;
  }

  .button-group {
    flex-direction: column;
  }

  .btn,
  .btn-secondary {
    width: 100%;
  }

  .welcome-section h1 {
    font-size: var(--font-size-xl);
  }

  .algorithm-header h2 {
    font-size: var(--font-size-xl);
  }
}

/* Add styles for Caesar brute force file upload UI */
.task-info {
  font-size: 0.9rem;
  color: #ff6b6b;
  margin-top: 0.5rem;
  line-height: 1.5;
}

.file-upload-section {
  margin-bottom: 2rem;
}

.file-input-wrapper {
  position: relative;
  border: 2px dashed #888888;
  border-radius: 8px; /* UPDATED */
  padding: 2rem;
  text-align: center;
  cursor: pointer;
  transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1); /* UPDATED */
  background-color: rgba(26, 26, 26, 0.5);
}

.file-input-wrapper:hover {
  border-color: #ffffff;
  background: linear-gradient(135deg, rgba(255, 255, 255, 0.08) 0%, rgba(255, 255, 255, 0.02) 100%); /* UPDATED */
  box-shadow: 0 4px 20px rgba(255, 255, 255, 0.15), inset 0 0 20px rgba(255, 255, 255, 0.05); /* UPDATED */
  transform: translateY(-2px); /* ADDED */
}

.file-input-wrapper.drag-over {
  border-color: #ffffff;
  background: linear-gradient(135deg, rgba(255, 255, 255, 0.12) 0%, rgba(255, 255, 255, 0.05) 100%); /* UPDATED */
  box-shadow: 0 8px 32px rgba(255, 255, 255, 0.2), inset 0 0 30px rgba(255, 255, 255, 0.08); /* UPDATED */
  transform: translateY(-4px); /* ADDED */
}

.file-input {
  position: absolute;
  opacity: 0;
  width: 100%;
  height: 100%;
  cursor: pointer;
}

.file-input-label {
  display: block;
  color: #ffffff;
  font-weight: 500;
  pointer-events: none;
  transition: all 0.2s ease-in-out; /* ADDED */
}

.file-input-label.file-loaded {
  /* ADDED */
  color: #00ff00;
  font-weight: 600;
}

.results-container {
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
}

.result-item {
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}

.result-label {
  font-size: 0.9rem;
  font-weight: 600;
  color: #888888;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.result-value {
  font-size: 1.5rem;
  font-weight: 700;
  color: #ffffff;
  font-family: var(--font-mono);
  padding: 1rem;
  background-color: var(--bg-secondary);
  border: 1px solid var(--border-color);
  border-radius: 8px; /* UPDATED */
  text-align: center;
  letter-spacing: 0.1em;
  transition: all 0.2s ease-in-out; /* ADDED */
}

/* Add progress indicator styles for mono cipher */
.progress-section {
  margin: 1.5rem 0;
  padding: 1.5rem;
  background: linear-gradient(135deg, rgba(0, 255, 0, 0.08) 0%, rgba(0, 255, 0, 0.02) 100%);
  border: 1px solid rgba(0, 255, 0, 0.3);
  border-radius: 12px;
  animation: slideDown 0.4s cubic-bezier(0.34, 1.56, 0.64, 1);
  display: flex;
  align-items: center;
  gap: 1rem;
  box-shadow: 0 0 20px rgba(0, 255, 0, 0.1), inset 0 0 15px rgba(0, 255, 0, 0.05);
}

@keyframes slideDown {
  from {
    opacity: 0;
    transform: translateY(-15px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.progress-label {
  font-size: 0.95rem;
  font-weight: 600;
  color: #00ff00;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  min-width: 140px;
  animation: fadeIn 0.5s ease-out;
}

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

.progress-bar-wrapper {
  flex: 1;
  height: 6px;
  background-color: rgba(255, 255, 255, 0.08);
  border-radius: 3px;
  overflow: hidden;
  border: 1px solid rgba(0, 255, 0, 0.2);
  box-shadow: inset 0 2px 4px rgba(0, 0, 0, 0.3);
}

.progress-bar {
  height: 100%;
  background: linear-gradient(90deg, #00ff00 0%, #00dd00 50%, #00aa00 100%);
  width: 0%;
  transition: width 0.15s cubic-bezier(0.4, 0, 0.2, 1);
  border-radius: 3px;
  box-shadow: 0 0 12px rgba(0, 255, 0, 0.6), inset 0 1px 2px rgba(255, 255, 255, 0.2);
  position: relative;
}

.progress-bar::after {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: linear-gradient(90deg, transparent 0%, rgba(255, 255, 255, 0.3) 50%, transparent 100%);
  animation: shimmer 1.5s infinite;
}

@keyframes shimmer {
  0% {
    transform: translateX(-100%);
  }
  100% {
    transform: translateX(100%);
  }
}

.progress-text {
  font-size: 0.85rem;
  color: #00ff00;
  font-weight: 700;
  letter-spacing: 0.05em;
  min-width: 45px;
  text-align: right;
}

.spinner {
  width: 18px;
  height: 18px;
  border: 2.5px solid rgba(0, 255, 0, 0.2);
  border-top-color: #00ff00;
  border-right-color: #00ff00;
  border-radius: 50%;
  animation: spin 0.7s linear infinite;
  flex-shrink: 0;
  box-shadow: 0 0 8px rgba(0, 255, 0, 0.4);
}

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

.des-settings-card {
  background: #111;
  padding: 18px 20px;
  border: 1px solid #333;
  border-radius: 8px;
  margin-bottom: 20px;
}

.des-section-title {
  font-size: 17px;
  font-weight: 600;
  margin-bottom: 12px;
  color: #ffcc66;
}

.des-label {
  font-size: 14px;
  font-weight: 500;
  margin-bottom: 6px;
}

.des-select {
  background: #1a1a1a;
  border: 1px solid #444;
  color: white;
  padding: 10px;
  border-radius: 6px;
  margin-right: 10;
}

.des-input {
  background: #1a1a1a;
  border: 1px solid #444;
  color: white;
  padding: 10px;
  border-radius: 6px;
}

.des-help {
  opacity: 0.8;
  font-size: 12px;
  margin-top: 3px;
}

/* AES / DES mode selector card */
.aes-des-settings {
  margin-bottom: var(--spacing-lg);
}

.aesdes-mode-card {
  background: var(--bg-secondary);
  border: 1px solid var(--border-color);
  border-radius: 12px;
  padding: 16px 18px;
  box-shadow: 0 0 18px rgba(255, 255, 255, 0.05);
  margin-bottom: 16px;
}

.aesdes-mode-header {
  margin-bottom: 12px;
}

.aesdes-mode-title {
  font-size: 0.95rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--text-secondary);
}

.aesdes-mode-subtitle {
  font-size: 0.9rem;
  color: var(--text-primary);
  opacity: 0.8;
  margin-top: 4px;
}

.aesdes-mode-toggle {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 10px;
  margin-top: 10px;
}

.mode-pill {
  border-radius: 10px;
  border: 1px solid var(--border-color);
  background: var(--bg-tertiary);
  padding: 10px 12px;
  text-align: left;
  cursor: pointer;
  transition: all var(--transition-smooth);
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.mode-pill-label {
  font-size: 0.95rem;
  font-weight: 600;
  color: var(--accent-white);
}

.mode-pill-desc {
  font-size: 0.8rem;
  color: var(--text-secondary);
}

.mode-pill:hover {
  border-color: var(--accent-white);
  box-shadow: 0 4px 16px rgba(255, 255, 255, 0.15);
  transform: translateY(-1px);
}

.mode-pill.active {
  border-color: var(--accent-white);
  background: linear-gradient(
    135deg,
    rgba(255, 255, 255, 0.1) 0%,
    rgba(255, 255, 255, 0.03) 100%
  );
  box-shadow: 0 0 18px rgba(255, 255, 255, 0.15);
}

.aesdes-mode-footer {
  margin-top: 10px;
  font-size: 0.8rem;
  color: var(--text-tertiary);
}

.aesdes-mode-hint {
  opacity: 0.9;
}

/* IV block styling for AES/DES */
.iv-group {
  margin-top: 12px;
}

.iv-group .form-help {
  font-size: 0.8rem;
  color: var(--text-secondary);
  margin-top: 4px;
}

.aesdes-mode-select {
  display: none;
}