/* Terminal CSS - Retro Green CLI Aesthetic */

/* ===== CSS Variables ===== */
:root {
  /* Terminal colors */
  --term-green: #00ff00;
  --term-green-dim: #00cc00;
  --term-green-bright: #33ff33;
  --term-green-glow: rgba(0, 255, 0, 0.3);
  --term-black: #0a0a0a;
  --term-dark: #0d0d0d;

  /* Accent colors */
  --term-cyan: #00ffff;
  --term-yellow: #ffff00;
  --term-red: #ff3333;
  --term-amber: #ffb000;

  /* Typography */
  --font-mono: 'Fira Code', 'IBM Plex Mono', 'Courier New', monospace;

  /* Timing */
  --cursor-blink-speed: 1s;
}

/* Amber theme */
.theme-amber {
  --term-green: #ffb000;
  --term-green-dim: #cc8c00;
  --term-green-bright: #ffc333;
  --term-green-glow: rgba(255, 176, 0, 0.3);
}

/* ===== Base Styles ===== */
* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

html, body {
  height: 100%;
  background-color: var(--term-black);
  color: var(--term-green);
  font-family: var(--font-mono);
  font-size: 16px;
  line-height: 1.6;
}

/* ===== Terminal Container ===== */
.terminal {
  min-height: 100vh;
  padding: 20px;
  position: relative;
  overflow-x: hidden;
}

/* CRT Scanline Effect */
.terminal.crt-on::before {
  content: '';
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: repeating-linear-gradient(
    0deg,
    rgba(0, 0, 0, 0.15),
    rgba(0, 0, 0, 0.15) 1px,
    transparent 1px,
    transparent 2px
  );
  pointer-events: none;
  z-index: 9999;
}

/* CRT Screen Glow */
.terminal.crt-on::after {
  content: '';
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: radial-gradient(
    ellipse at center,
    transparent 0%,
    rgba(0, 0, 0, 0.3) 100%
  );
  pointer-events: none;
  z-index: 9998;
}

/* ===== Terminal Output ===== */
.terminal-output {
  white-space: pre-wrap;
  word-wrap: break-word;
  padding-bottom: 20px;
}

.terminal-line {
  margin-bottom: 2px;
}

.terminal-text {
  text-shadow: 0 0 5px var(--term-green-glow);
}

/* ===== Prompt Styling ===== */
.prompt {
  color: var(--term-green-dim);
}

.prompt-user {
  color: var(--term-cyan);
}

.prompt-symbol {
  color: var(--term-green-bright);
}

/* ===== Input Line ===== */
.terminal-input-line {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: 10px;
}

.command-input {
  flex: 1;
  min-width: 200px;
  background: transparent;
  border: none;
  outline: none;
  color: var(--term-green);
  font-family: var(--font-mono);
  font-size: 16px;
  caret-color: var(--term-green);
}

.command-input::placeholder {
  color: var(--term-green-dim);
  opacity: 0.5;
}

/* Blinking Cursor */
.cursor {
  display: inline-block;
  width: 10px;
  height: 1.2em;
  background-color: var(--term-green);
  animation: blink var(--cursor-blink-speed) step-end infinite;
  vertical-align: text-bottom;
  margin-left: 2px;
}

@keyframes blink {
  50% { opacity: 0; }
}

/* ===== Links & Clickable Elements ===== */
.terminal-link, .clickable {
  color: var(--term-cyan);
  cursor: pointer;
  text-decoration: underline;
  text-underline-offset: 2px;
  transition: color 0.2s, text-shadow 0.2s;
}

.terminal-link:hover, .clickable:hover {
  color: var(--term-yellow);
  text-shadow: 0 0 8px var(--term-yellow);
}

/* ===== Section Headers ===== */
.section-header {
  color: var(--term-green-bright);
  margin: 20px 0 10px 0;
  text-shadow: 0 0 10px var(--term-green-glow);
}

/* ===== Command Output Styling ===== */
.output-section {
  margin: 15px 0;
  padding-left: 20px;
  border-left: 2px solid var(--term-green-dim);
}

.output-title {
  color: var(--term-green-bright);
  font-weight: bold;
}

.output-subtitle {
  color: var(--term-cyan);
}

.output-dim {
  color: var(--term-green-dim);
}

.output-error {
  color: var(--term-red);
}

.output-success {
  color: var(--term-green-bright);
}

/* ===== Box Drawing ===== */
.terminal-box {
  border: 1px solid var(--term-green-dim);
  padding: 10px 15px;
  margin: 10px 0;
}

/* ===== ASCII Art ===== */
.ascii-art {
  color: var(--term-green-bright);
  text-shadow: 0 0 10px var(--term-green-glow);
  line-height: 1.2;
}

/* ===== Mobile Command Buttons ===== */
.mobile-commands {
  display: none;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: 15px;
  padding-top: 15px;
  border-top: 1px solid var(--term-green-dim);
}

.mobile-cmd-btn {
  background: transparent;
  border: 1px solid var(--term-green);
  color: var(--term-green);
  padding: 8px 12px;
  font-family: var(--font-mono);
  font-size: 14px;
  cursor: pointer;
  transition: all 0.2s;
}

.mobile-cmd-btn:hover, .mobile-cmd-btn:active {
  background: var(--term-green);
  color: var(--term-black);
}

/* ===== Image Modal ===== */
.image-modal {
  display: none;
  position: fixed;
  z-index: 10000;
  left: 0;
  top: 0;
  width: 100%;
  height: 100%;
  background-color: rgba(0, 0, 0, 0.95);
  justify-content: center;
  align-items: center;
  flex-direction: column;
}

.image-modal.active {
  display: flex;
}

.modal-content {
  max-width: 90%;
  max-height: 80%;
  border: 2px solid var(--term-green);
  box-shadow: 0 0 30px var(--term-green-glow);
}

.modal-close {
  position: absolute;
  top: 20px;
  right: 30px;
  color: var(--term-green);
  font-size: 40px;
  cursor: pointer;
  transition: color 0.2s;
}

.modal-close:hover {
  color: var(--term-red);
}

.modal-caption {
  color: var(--term-green);
  margin-top: 15px;
  text-align: center;
  font-size: 14px;
}

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

::-webkit-scrollbar-track {
  background: var(--term-black);
}

::-webkit-scrollbar-thumb {
  background: var(--term-green-dim);
  border-radius: 4px;
}

::-webkit-scrollbar-thumb:hover {
  background: var(--term-green);
}

/* ===== Selection ===== */
::selection {
  background: var(--term-green);
  color: var(--term-black);
}

/* ===== Responsive ===== */
@media (max-width: 768px) {
  .terminal {
    padding: 10px;
    font-size: 14px;
  }

  .command-input {
    font-size: 16px; /* Prevent iOS zoom */
  }

  .mobile-commands {
    display: flex;
  }

  .cursor {
    display: none;
  }

  .ascii-art {
    font-size: 10px;
    overflow-x: auto;
  }
}

@media (max-width: 480px) {
  .terminal {
    padding: 8px;
    font-size: 12px;
  }

  .ascii-art {
    font-size: 8px;
  }

  .mobile-cmd-btn {
    padding: 6px 10px;
    font-size: 12px;
  }
}

/* ===== Typing Animation ===== */
.typing {
  overflow: hidden;
  white-space: nowrap;
  animation: typing 0.5s steps(30, end);
}

@keyframes typing {
  from { width: 0; }
  to { width: 100%; }
}

/* ===== Matrix Easter Egg ===== */
.matrix-canvas {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  z-index: 9997;
  pointer-events: none;
}