/* ==========================================================================
   TERMINAL CONSOLE PORTFOLIO STYLESHEET
   Noman Chowdhury Munna - Backend Software Engineer & Security Researcher
   ========================================================================== */

:root {
  /* Default Theme: Tokyo Night / Cyber Slate */
  --bg-primary: #0a0d14;
  --bg-window: rgba(13, 17, 26, 0.94);
  --bg-header: rgba(19, 25, 38, 0.98);
  --border-color: rgba(56, 189, 248, 0.22);
  --border-glow: rgba(56, 189, 248, 0.12);
  
  --text-primary: #e2e8f0;
  --text-muted: #64748b;
  --text-prompt-user: #10b981;
  --text-prompt-host: #38bdf8;
  --text-prompt-path: #f59e0b;
  --text-accent: #00f0ff;
  --text-command: #f8fafc;
  --text-highlight: #a855f7;
  --text-warning: #f59e0b;
  --text-error: #ef4444;
  --text-success: #10b981;

  --badge-bg: rgba(30, 41, 59, 0.7);
  --badge-border: rgba(148, 163, 184, 0.2);
  --badge-hover: rgba(56, 189, 248, 0.25);
  --selection-bg: rgba(56, 189, 248, 0.3);
  --scrollbar-thumb: rgba(100, 116, 139, 0.4);
}

/* --- THEME VARIATIONS --- */

/* Theme: Matrix Hacker Green */
[data-theme="matrix"] {
  --bg-primary: #020b05;
  --bg-window: rgba(3, 16, 8, 0.96);
  --bg-header: rgba(5, 26, 12, 0.98);
  --border-color: rgba(34, 197, 94, 0.4);
  --border-glow: rgba(34, 197, 94, 0.2);

  --text-primary: #86efac;
  --text-muted: #15803d;
  --text-prompt-user: #4ade80;
  --text-prompt-host: #22c55e;
  --text-prompt-path: #86efac;
  --text-accent: #22c55e;
  --text-command: #bbf7d0;
  --text-highlight: #4ade80;
  --text-warning: #eab308;
  --text-error: #ef4444;
  --text-success: #22c55e;

  --badge-bg: rgba(20, 83, 45, 0.3);
  --badge-border: rgba(34, 197, 94, 0.3);
  --badge-hover: rgba(34, 197, 94, 0.5);
  --selection-bg: rgba(34, 197, 94, 0.4);
  --scrollbar-thumb: rgba(34, 197, 94, 0.4);
}

/* Theme: Cyberpunk Neon */
[data-theme="cyberpunk"] {
  --bg-primary: #090214;
  --bg-window: rgba(17, 7, 34, 0.96);
  --bg-header: rgba(27, 10, 52, 0.98);
  --border-color: rgba(244, 63, 94, 0.4);
  --border-glow: rgba(244, 63, 94, 0.2);

  --text-primary: #fce7f3;
  --text-muted: #9d4edd;
  --text-prompt-user: #f43f5e;
  --text-prompt-host: #06b6d4;
  --text-prompt-path: #facc15;
  --text-accent: #f43f5e;
  --text-command: #ffffff;
  --text-highlight: #ec4899;
  --text-warning: #facc15;
  --text-error: #ff0055;
  --text-success: #06b6d4;

  --badge-bg: rgba(76, 29, 149, 0.4);
  --badge-border: rgba(244, 63, 94, 0.4);
  --badge-hover: rgba(244, 63, 94, 0.6);
  --selection-bg: rgba(244, 63, 94, 0.4);
  --scrollbar-thumb: rgba(236, 72, 153, 0.4);
}

/* Theme: Dracula */
[data-theme="dracula"] {
  --bg-primary: #191a21;
  --bg-window: rgba(40, 42, 54, 0.96);
  --bg-header: rgba(33, 34, 44, 0.98);
  --border-color: rgba(189, 147, 249, 0.35);
  --border-glow: rgba(189, 147, 249, 0.15);

  --text-primary: #f8f8f2;
  --text-muted: #6272a4;
  --text-prompt-user: #50fa7b;
  --text-prompt-host: #bd93f9;
  --text-prompt-path: #ffb86c;
  --text-accent: #8be9fd;
  --text-command: #f8f8f2;
  --text-highlight: #ff79c6;
  --text-warning: #ffb86c;
  --text-error: #ff5555;
  --text-success: #50fa7b;

  --badge-bg: rgba(68, 71, 90, 0.5);
  --badge-border: rgba(189, 147, 249, 0.3);
  --badge-hover: rgba(189, 147, 249, 0.5);
  --selection-bg: rgba(189, 147, 249, 0.35);
  --scrollbar-thumb: rgba(189, 147, 249, 0.35);
}

/* --- BASE STYLES --- */
* {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
  font-family: 'Fira Code', 'JetBrains Mono', 'Courier New', Courier, monospace;
}

::selection {
  background: var(--selection-bg);
  color: var(--text-primary);
}

html, body {
  width: 100%;
  height: 100%;
  overflow: hidden;
  background-color: var(--bg-primary);
  color: var(--text-primary);
}

body {
  display: flex;
  justify-content: center;
  align-items: center;
  background-image: 
    radial-gradient(circle at 15% 15%, rgba(56, 189, 248, 0.05) 0%, transparent 40%),
    radial-gradient(circle at 85% 85%, rgba(168, 85, 247, 0.05) 0%, transparent 40%);
  position: relative;
}

/* CRT Scanlines Overlay */
.crt-overlay {
  position: fixed;
  inset: 0;
  pointer-events: none;
  z-index: 999;
  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: 0.85;
  transition: opacity 0.3s ease;
}

.crt-overlay.disabled {
  display: none;
}

/* --- TERMINAL CONTAINER --- */
.terminal-wrapper {
  width: 95vw;
  max-width: 1150px;
  height: 92vh;
  background: var(--bg-window);
  border: 1px solid var(--border-color);
  border-radius: 12px;
  box-shadow: 
    0 25px 50px -12px rgba(0, 0, 0, 0.6),
    0 0 40px var(--border-glow);
  display: flex;
  flex-direction: column;
  overflow: hidden;
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  position: relative;
  z-index: 10;
  animation: terminalFadeIn 0.35s cubic-bezier(0.16, 1, 0.3, 1);
}

@keyframes terminalFadeIn {
  from {
    opacity: 0;
    transform: scale(0.98) translateY(8px);
  }
  to {
    opacity: 1;
    transform: scale(1) translateY(0);
  }
}

/* --- WINDOW HEADER / TITLEBAR --- */
.terminal-header {
  height: 44px;
  background: var(--bg-header);
  border-bottom: 1px solid var(--border-color);
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 16px;
  user-select: none;
  flex-shrink: 0;
}

.window-controls {
  display: flex;
  align-items: center;
  gap: 8px;
}

.control-dot {
  width: 12px;
  height: 12px;
  border-radius: 50%;
  border: none;
  cursor: pointer;
  transition: transform 0.15s ease, opacity 0.15s ease;
}

.control-dot:hover {
  transform: scale(1.15);
}

.control-dot.close {
  background: #ff5f56;
}

.control-dot.minimize {
  background: #ffbd2e;
}

.control-dot.maximize {
  background: #27c93f;
}

.window-title {
  font-size: 0.85rem;
  color: var(--text-muted);
  font-weight: 500;
  display: flex;
  align-items: center;
  gap: 8px;
  letter-spacing: 0.3px;
}

.window-title .user {
  color: var(--text-prompt-user);
}

.window-title .separator {
  color: var(--text-muted);
}

.window-title .host {
  color: var(--text-prompt-host);
}

.header-actions {
  display: flex;
  align-items: center;
  gap: 10px;
}

.header-btn {
  background: var(--badge-bg);
  border: 1px solid var(--badge-border);
  color: var(--text-primary);
  font-size: 0.75rem;
  padding: 5px 10px;
  border-radius: 6px;
  cursor: pointer;
  display: flex;
  align-items: center;
  gap: 6px;
  transition: all 0.2s ease;
  font-family: inherit;
}

.header-btn:hover {
  background: var(--badge-hover);
  border-color: var(--text-accent);
  color: #ffffff;
}

.header-btn.gui-btn {
  background: rgba(16, 185, 129, 0.15);
  border-color: rgba(16, 185, 129, 0.4);
  color: var(--text-success);
  font-weight: 600;
}

.header-btn.gui-btn:hover {
  background: rgba(16, 185, 129, 0.3);
  box-shadow: 0 0 12px rgba(16, 185, 129, 0.3);
}

.theme-dropdown {
  background: var(--badge-bg);
  border: 1px solid var(--badge-border);
  color: var(--text-primary);
  font-size: 0.75rem;
  padding: 4px 8px;
  border-radius: 6px;
  outline: none;
  cursor: pointer;
}

.theme-dropdown option {
  background: var(--bg-header);
  color: var(--text-primary);
}

/* --- QUICK COMMAND PILLS (TOP SUB-BAR) --- */
.terminal-quick-actions {
  display: flex;
  align-items: center;
  gap: 6px;
  padding: 8px 16px;
  background: rgba(0, 0, 0, 0.25);
  border-bottom: 1px solid rgba(255, 255, 255, 0.05);
  overflow-x: auto;
  scrollbar-width: none;
  flex-shrink: 0;
}

.terminal-quick-actions::-webkit-scrollbar {
  display: none;
}

.quick-tag-label {
  font-size: 0.7rem;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.5px;
  margin-right: 4px;
  white-space: nowrap;
}

.quick-cmd-pill {
  background: var(--badge-bg);
  border: 1px solid var(--badge-border);
  color: var(--text-primary);
  font-size: 0.73rem;
  padding: 3px 9px;
  border-radius: 4px;
  cursor: pointer;
  white-space: nowrap;
  transition: all 0.15s ease;
  font-family: inherit;
}

.quick-cmd-pill:hover {
  background: var(--badge-hover);
  border-color: var(--text-accent);
  color: #fff;
  transform: translateY(-1px);
}

/* --- TERMINAL BODY / SCROLL VIEW --- */
.terminal-body {
  flex: 1;
  padding: 20px 24px;
  overflow-y: auto;
  scrollbar-width: thin;
  scrollbar-color: var(--scrollbar-thumb) transparent;
  font-size: 0.92rem;
  line-height: 1.65;
  cursor: text;
}

.terminal-body::-webkit-scrollbar {
  width: 6px;
}

.terminal-body::-webkit-scrollbar-track {
  background: transparent;
}

.terminal-body::-webkit-scrollbar-thumb {
  background: var(--scrollbar-thumb);
  border-radius: 3px;
}

/* --- ASCII ART BANNER --- */
.terminal-banner {
  color: var(--text-accent);
  font-size: 0.62rem;
  line-height: 1.15;
  white-space: pre;
  margin-bottom: 16px;
  font-weight: 700;
  text-shadow: 0 0 10px var(--border-glow);
}

@media (max-width: 768px) {
  .terminal-banner {
    font-size: 0.42rem;
  }
}

.terminal-welcome-meta {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 8px;
  margin-bottom: 20px;
  padding: 12px 16px;
  background: rgba(255, 255, 255, 0.02);
  border: 1px dashed rgba(255, 255, 255, 0.1);
  border-radius: 6px;
}

.welcome-meta-item {
  font-size: 0.8rem;
  color: var(--text-muted);
}

.welcome-meta-item strong {
  color: var(--text-primary);
}

.welcome-intro {
  margin-bottom: 20px;
  color: var(--text-primary);
  font-size: 0.88rem;
}

.welcome-intro .highlight {
  color: var(--text-accent);
  font-weight: 600;
}

.welcome-intro .cmd-code {
  background: var(--badge-bg);
  border: 1px solid var(--badge-border);
  padding: 1px 6px;
  border-radius: 4px;
  color: var(--text-prompt-host);
}

/* --- COMMAND OUTPUT FORMATTING --- */
.output-block {
  margin-bottom: 18px;
}

.output-command-line {
  display: flex;
  align-items: center;
  gap: 8px;
  margin-bottom: 6px;
}

.prompt-prefix {
  user-select: none;
  white-space: nowrap;
  font-weight: 600;
}

.prompt-prefix .prompt-user {
  color: var(--text-prompt-user);
}

.prompt-prefix .prompt-at {
  color: var(--text-muted);
}

.prompt-prefix .prompt-host {
  color: var(--text-prompt-host);
}

.prompt-prefix .prompt-colon {
  color: var(--text-muted);
}

.prompt-prefix .prompt-path {
  color: var(--text-prompt-path);
}

.prompt-prefix .prompt-dollar {
  color: var(--text-accent);
  margin-left: 2px;
}

.executed-command {
  color: var(--text-command);
  font-weight: 600;
}

.output-content {
  margin-left: 4px;
  color: var(--text-primary);
}

/* Tables in Output */
.cli-table {
  width: 100%;
  max-width: 850px;
  margin: 10px 0;
  border-collapse: collapse;
}

.cli-table th {
  text-align: left;
  padding: 6px 12px;
  border-bottom: 1px solid var(--border-color);
  color: var(--text-accent);
  font-size: 0.82rem;
  text-transform: uppercase;
}

.cli-table td {
  padding: 6px 12px;
  font-size: 0.86rem;
  border-bottom: 1px solid rgba(255, 255, 255, 0.04);
}

.cli-table .cmd-name {
  color: var(--text-prompt-host);
  font-weight: 600;
  white-space: nowrap;
}

.cli-table .cmd-desc {
  color: var(--text-primary);
}

/* Neofetch Output */
.neofetch-wrapper {
  display: flex;
  flex-wrap: wrap;
  gap: 24px;
  align-items: center;
  margin: 12px 0;
}

.neofetch-ascii {
  color: var(--text-prompt-host);
  font-size: 0.72rem;
  line-height: 1.25;
  white-space: pre;
  font-weight: bold;
}

.neofetch-info {
  display: flex;
  flex-direction: column;
  gap: 4px;
  font-size: 0.86rem;
}

.neofetch-title {
  font-weight: 700;
  color: var(--text-accent);
  font-size: 0.95rem;
  margin-bottom: 4px;
}

.neofetch-divider {
  color: var(--text-muted);
  font-size: 0.75rem;
  margin-bottom: 4px;
}

.neofetch-row strong {
  color: var(--text-prompt-user);
  min-width: 110px;
  display: inline-block;
}

.color-blocks {
  display: flex;
  gap: 4px;
  margin-top: 8px;
}

.color-block {
  width: 16px;
  height: 12px;
  border-radius: 2px;
}

/* Skills Badges / Category Grid */
.skills-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 16px;
  margin: 12px 0;
}

.skill-category {
  background: rgba(255, 255, 255, 0.02);
  border: 1px solid var(--border-color);
  border-radius: 8px;
  padding: 14px;
}

.skill-cat-title {
  color: var(--text-accent);
  font-size: 0.85rem;
  font-weight: 600;
  margin-bottom: 10px;
  display: flex;
  align-items: center;
  gap: 6px;
}

.skill-badges {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
}

.skill-pill {
  background: var(--badge-bg);
  border: 1px solid var(--badge-border);
  padding: 2px 8px;
  border-radius: 4px;
  font-size: 0.78rem;
  color: var(--text-primary);
}

/* Project Cards in CLI */
.projects-container {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
  gap: 14px;
  margin: 12px 0;
}

.project-item {
  background: rgba(255, 255, 255, 0.02);
  border: 1px solid var(--border-color);
  border-radius: 8px;
  padding: 14px;
}

.project-header {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  margin-bottom: 6px;
}

.project-name {
  color: var(--text-accent);
  font-size: 0.95rem;
  font-weight: 600;
}

.project-link {
  color: var(--text-prompt-host);
  font-size: 0.78rem;
  text-decoration: none;
  border-bottom: 1px dashed var(--text-prompt-host);
}

.project-link:hover {
  color: #fff;
  border-bottom-style: solid;
}

.project-desc {
  font-size: 0.84rem;
  color: var(--text-primary);
  margin-bottom: 10px;
  line-height: 1.45;
}

.project-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 5px;
}

.project-tag {
  font-size: 0.7rem;
  background: rgba(56, 189, 248, 0.1);
  color: var(--text-prompt-host);
  padding: 1px 6px;
  border-radius: 3px;
}

/* Timeline in CLI */
.timeline-item {
  border-left: 2px solid var(--border-color);
  padding-left: 14px;
  margin-left: 6px;
  margin-bottom: 16px;
  position: relative;
}

.timeline-item::before {
  content: '';
  position: absolute;
  left: -6px;
  top: 4px;
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: var(--text-prompt-host);
  box-shadow: 0 0 8px var(--text-prompt-host);
}

.timeline-role {
  color: var(--text-accent);
  font-weight: 600;
  font-size: 0.92rem;
}

.timeline-meta {
  color: var(--text-muted);
  font-size: 0.8rem;
  margin-bottom: 6px;
}

.timeline-desc {
  font-size: 0.84rem;
  color: var(--text-primary);
  line-height: 1.5;
}

/* Links in output */
.cli-link {
  color: var(--text-prompt-host);
  text-decoration: underline;
  text-underline-offset: 3px;
  transition: color 0.15s ease;
}

.cli-link:hover {
  color: #ffffff;
}

/* Error / Warning / Success texts */
.text-error {
  color: var(--text-error);
}

.text-warning {
  color: var(--text-warning);
}

.text-success {
  color: var(--text-success);
}

.text-highlight {
  color: var(--text-highlight);
}

/* --- ACTIVE INPUT ROW --- */
.terminal-input-row {
  display: flex;
  align-items: center;
  gap: 8px;
  margin-top: 6px;
  position: relative;
}

.terminal-input-field {
  flex: 1;
  background: transparent;
  border: none;
  outline: none;
  color: var(--text-command);
  font-size: 0.92rem;
  font-family: inherit;
  caret-color: var(--text-accent);
  padding: 0;
  width: 100%;
}

/* --- FOOTER STATUS BAR --- */
.terminal-footer {
  height: 28px;
  background: var(--bg-header);
  border-top: 1px solid var(--border-color);
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 16px;
  font-size: 0.72rem;
  color: var(--text-muted);
  flex-shrink: 0;
  user-select: none;
}

.footer-left, .footer-right {
  display: flex;
  align-items: center;
  gap: 12px;
}

.footer-item {
  display: flex;
  align-items: center;
  gap: 4px;
}

.footer-item .status-indicator {
  width: 7px;
  height: 7px;
  background: #10b981;
  border-radius: 50%;
  box-shadow: 0 0 6px #10b981;
  animation: pulse 2s infinite;
}

@keyframes pulse {
  0%, 100% { opacity: 1; transform: scale(1); }
  50% { opacity: 0.6; transform: scale(0.9); }
}

/* Responsive adjustments */
@media (max-width: 640px) {
  .terminal-wrapper {
    width: 100vw;
    height: 100vh;
    border-radius: 0;
    border: none;
  }

  .terminal-header {
    padding: 0 10px;
  }

  .window-title {
    font-size: 0.75rem;
  }

  .header-actions .header-btn.clear-btn,
  .header-actions .theme-dropdown {
    display: none;
  }

  .terminal-body {
    padding: 14px 12px;
  }

  .terminal-footer {
    display: none;
  }
}