:root {
  --primary-color: #00ff00;
  --background-color: #000000;
  --font-color: #ffffff;
  --highlight-color: #00ffff;
}

* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
  font-family: "Fira Code", monospace;
  scroll-behavior: smooth;
}

body {
  background-color: var(--background-color);
  color: var(--font-color);
  line-height: 1.6;
  height: 100vh;
  overflow: hidden;
}

#terminal-container {
    background-color: transparent;
    border: 2px solid var(--primary-color);
    height: calc(100vh - 40px);
    border-radius: 5px;
    box-shadow: 0 0 20px rgba(0, 255, 0, 0.2);
    margin: 20px;
    padding: 20px;
    overflow-y: auto; 
    position: relative;
    z-index: 1;
    display: flex;
    flex-direction: column; 
}

.terminal-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 20px;
  padding: 0 10px;
  border-bottom: var(--primary-color);
  padding-bottom: 10px;
}

  .terminal-title {
    color: var(--primary-color);
    text-align: center;
    font-size: clamp(12px, 2vw, 16px);
    margin: 0;
    flex: 1;
    position: absolute;
    top: clamp(15px, 4vh, 25px);
    left: 50%;
    transform: translateX(-50%);
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
    max-width: 90%;
    width: auto;
    padding: 0 10px;
    
    @media screen and (max-width: 768px) {
        font-size: 12px;
        top: 15px;
    }
    
    @media screen and (max-width: 480px) {
        font-size: 11px;
        top: 12px;
        max-width: 85%;
    }
}

.terminal-controls span {
  display: inline-block;
  width: 12px;
  height: 12px;
  border-radius: 50%;
  margin-left: 8px;
  cursor: pointer;
      transition: all 0.3s ease;
}

.terminal-close {
  background-color: #ff5f56;
}

.terminal-minimize {
  background-color: #ffbd2e;
}

.terminal-maximize {
  background-color: #27c93f;
}

.ascii-art {
  color: var(--primary-color);
  white-space: pre;
  font-size: 12px;
  margin: 20px 0;
  text-align: center;
}

.input-line {
  display: flex;
  align-items: center;
  padding: 5px 10px;
  background-color: rgba(0, 0, 0, 0.3);
  margin: 10px 0;
}


.prompt {
  color: var(--primary-color);
  margin-right: 10px;
  display: flex;
  align-items: center;
      transition: all 0.3s ease;
}

.prompt:before {
  content: "➜";
  margin-right: 10px;
}

.input-area {
  background: transparent;
  border: none;
  color: var(--font-color);
  outline: none;
  font-size: 14px;
  width: 100%;
  padding: px;
      transition: all 0.3s ease;
}

.output-line {
  margin: 5px 0;
  padding: 5px 10px;
  opacity: 0;
  transform: translateY(10px);
  animation: fadeIn 0.3s forwards;
  border-left: 2px solid transparent;
      transition: all 0.3s ease;
}

.output-line:hover {
  border-left: 2px solid var(--primary-color);
  background-color: rgba(0, 255, 0, 0.05);
}

.error {
  color: #ff0000;
}

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

.matrix-rain {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  pointer-events: none;
  z-index: 1;
}

.matrix-character {
  position: fixed;
  color: var(--primary-color);
  font-family: monospace;
  font-size: 14px;
  line-height: 1;
  animation: matrix-rain 10s linear infinite;
  opacity: 0.8;
  z-index: 1;
}

@keyframes matrix-rain {
  0% {
    transform: translateY(-100%);
      opacity: 0;
    }
  10% {
    opacity: 1;
    }
  90% {
    opacity: 1;
    }
  100% {
    transform: translateY(1000%);
    opacity: 0;
    }
}

@keyframes fadeIn {
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.theme-switcher {
  position: fixed;
  top: 20px;
  right: 20px;
  z-index: 2;
  display: flex;
  gap: 10px;
}

.theme-button {
    margin-top: 10px;
    margin-right: 10px;
    background: none;
    padding: 8px 15px;
    cursor: pointer;
    transition: all 0.3s ease;
    font-size: 12px;
    border-radius: 3px;
    position: relative;
    overflow: hidden;
}

/* Matrix Theme Button */
.theme-button[onclick*="matrix"] {
    border: 1px solid #00ff00;
    color: #00ff00;
}

.theme-button[onclick*="matrix"]:hover {
    background-color: #00ff00;
    color: #000000;
    box-shadow: 0 0 15px #00ff00,
                0 0 25px rgba(0, 255, 0, 0.5);
    text-shadow: 0 0 5px #00ffff;
    transform: translateY(-2px);
}

/* Cyberpunk Theme Button */
.theme-button[onclick*="cyberpunk"] {
    border: 1px solid #ff00ff;
    color: #ff00ff;
}

.theme-button[onclick*="cyberpunk"]:hover {
    background-color: #ff00ff;
    color: #1a1a1a;
    box-shadow: 0 0 15px #ff00ff,
                0 0 25px rgba(255, 0, 255, 0.5);
    text-shadow: 0 0 5px #00ffff;
    transform: translateY(-2px);
}

/* Retro Theme Button */
.theme-button[onclick*="retro"] {
    border: 1px solid #ffa500;
    color: #ffa500;
}

.theme-button[onclick*="retro"]:hover {
    background-color: #ffa500;
    color: #2b2b2b;
    box-shadow: 0 0 15px #ffa500,
                0 0 25px rgba(255, 165, 0, 0.5);
    text-shadow: 0 0 5px #ffd700;
    transform: translateY(-2px);
}

/* Futuristic Theme Button */
.theme-button[onclick*="futuristic"] {
    border: 1px solid #00ffcc;
    color: #00ffcc;
}

.theme-button[onclick*="futuristic"]:hover {
    background-color: #00ffcc;
    color: #001f3f;
    box-shadow: 0 0 15px #00ffcc,
                0 0 25px rgba(0, 255, 204, 0.5);
    text-shadow: 0 0 5px #ff6600;
    transform: translateY(-2px);
}

.theme-button::after {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(
        120deg,
        transparent,
        rgba(255, 255, 255, 0.2),
        transparent
    );
    transition: 0.5s;
}

.theme-button:hover::after {
    left: 100%;
}

/* Active state for buttons */
.theme-button:active {
    transform: translateY(0);
    transition: 0.1s;
}

@keyframes themePulse {
    0% { box-shadow: 0 0 5px currentColor; }
    50% { box-shadow: 0 0 15px currentColor; }
    100% { box-shadow: 0 0 5px currentColor; }
}

.theme-button.active {
    animation: themePulse 2s infinite;
}

::-webkit-scrollbar {
    width: 10px;
}

::-webkit-scrollbar-track {
    background: rgba(0, 0, 0, 0.3);
    border-radius: 5px;
}

::-webkit-scrollbar-thumb {
    background: var(--primary-color);
    border-radius: 5px;
    border: 2px solid var(--background-color);
}

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

.typing {
  display: inline-block;
  white-space: pre-wrap;
  overflow: hidden;
  border-right: 2px solid var(--primary-color);
  animation: blink 0.75s step-end infinite;
}

.typed-char {
  opacity: 0;
  animation: fadeIn 0.01s forwards;
}

@keyframes blink {
  from,
  to {
    border-color: transparent;
  } 50% {
    border-color: var(--primary-color);
  }
}

@media (hover: none) and (pointer: coarse) {
    ::-webkit-scrollbar {
        width: 5px;
    }
}

@media screen and (min-width: 1200px) {
    #terminal-container {
        max-width: 1555px;
        margin: 20px auto;
    }
    .theme-switcher {
0px;
    }
}

/* Medium Devices (Tablets) */
@media screen and (max-width: 991px) {
    #terminal-container {
        margin: 15px;
        height: calc(100vh - 30px);
    }

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

    .theme-switcher {
        flex-wrap: wrap;
        justify-content: center;
        top: 10px;
        right: 10px;
    }

    .theme-button {
        padding: 6px 12px;
        font-size: 11px;
    }
}

/* Small Devices (Mobile) */
@media screen and (max-width: 767px) {
    #terminal-container {
        margin: 10px;
        padding: 15px;
        height: calc(100vh - 20px);
    }

    .terminal-title {
        font-size: 12px;
    }

    .ascii-art {
        font-size: 8px;
        margin: 15px 0;
    }

    .theme-switcher {
        position: static;
        margin: 10px auto;
        padding: 0 10px;
    }

    .input-line {
        padding: 3px 8px;
    }

    .input-area {
        font-size: 12px;
    }

    .prompt {
        font-size: 12px;
    }
}

/* Extra Small Devices */
@media screen and (max-width: 480px) {
    #terminal-container {
        margin: 5px;
        padding: 10px;
    }

    .terminal-controls span {
        width: 10px;
        height: 10px;
    }

    .ascii-art {
        font-size: 6px;
    }

    .theme-switcher {
        display: grid;
        grid-template-columns: repeat(2, 1fr);
        gap: 5px;
    }

    .theme-button {
        padding: 5px 10px;
        font-size: 10px;
        margin: 2px;
    }

    .output-line {
        font-size: 12px;
        padding: 3px 5px;
    }
}

/* Ultra Small Devices */
@media screen and (max-width: 320px) {
    #terminal-container {
        margin: 2px;
        padding: 8px;
    }

    .terminal-title {
        font-size: 10px;
    }

    .ascii-art {
        font-size: 4px;
    }

    .theme-button {
        padding: 4px 8px;
        font-size: 9px;
    }
}

/* Landscape Mode */
@media screen and (max-height: 500px) and (orientation: landscape) {
    #terminal-container {
        height: calc(100vh - 10px);
    }

    .ascii-art {
        font-size: 6px;
        margin: 5px 0;
    }

    .theme-switcher {
        position: static;
        margin: 5px auto;
    }
}

.error-shake {
    animation: shake 0.5s cubic-bezier(.36,.07,.19,.97) both;
}

@keyframes shake {
    10%, 90% { transform: translate3d(-1px, 0, 0); }
    20%, 80% { transform: translate3d(2px, 0, 0); }
    30%, 50%, 70% { transform: translate3d(-4px, 0, 0); }
    40%, 60% { transform: translate3d(4px, 0, 0); }
}

.error-highlight {
    color: #ff0000 !important;
    border-color: #ff0000 !important;
    box-shadow: 0 0 5px #ff0000;
}

.theme-transition {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    pointer-events: none;
    z-index: 9999;
    background: var(--background-color);
    opacity: 0;
    transition: opacity 0.3s ease;
}

.theme-transition-character {
    position: absolute;
    color: var(--primary-color);
    font-family: 'Fira Code', monospace;
    font-size: 20px;
    line-height: 1;
    animation: rain linear infinite;
    text-shadow: 0 0 5px var(--primary-color);
}


.theme-changing .theme-transition {
    opacity: 0.95;
}


@keyframes rain {
    0% {
        transform: translateY(-100%);
        opacity: 0;
    }
    10% {
        opacity: 1;
    }
    90% {
        opacity: 1;
    }
    100% {
        transform: translateY(100vh);
        opacity: 0;
    }
}

.theme-changed {
    animation: success-pulse 0.5s ease;
}

@keyframes success-pulse {
    0% {
        transform: scale(1);
        box-shadow: 0 0 0 0 var(--primary-color);
    }
    50% {
        transform: scale(1.1);
        box-shadow: 0 0 20px 10px var(--primary-color);
    }
    100% {
        transform: scale(1);
        box-shadow: 0 0 0 0 var(--primary-color);
    }
}