/* CSS Variables for Themes */
:root {
    --bg-color: #050505;
    --terminal-bg: #1a1a1a;
    --text-color: #ffffff;
    --prompt-color: #00ff00;
    --path-color: #5dade2;
    --error-color: #e74c3c;
    --success-color: #58d68d;
    --warning-color: #f39c12;
    --directory-color: #5dade2;
    --file-color: #ffffff;
    --executable-color: #58d68d;
    --highlight-color: #f1c40f;
    --border-color: #333333;
    --cursor-color: #00ff00;
    --selection-bg: #444444;
}

/* Light Theme */
[data-theme="light"] {
    --bg-color: #f8f9fa;
    --terminal-bg: #ffffff;
    --text-color: #333333;
    --prompt-color: #28a745;
    --path-color: #007bff;
    --error-color: #dc3545;
    --success-color: #28a745;
    --warning-color: #ffc107;
    --directory-color: #007bff;
    --file-color: #333333;
    --executable-color: #28a745;
    --highlight-color: #fd7e14;
    --border-color: #dee2e6;
    --cursor-color: #28a745;
    --selection-bg: #e9ecef;
}

/* Matrix Theme */
[data-theme="matrix"] {
    --bg-color: #000000;
    --terminal-bg: #001100;
    --text-color: #00ff00;
    --prompt-color: #00ff00;
    --path-color: #00cc00;
    --error-color: #ff0000;
    --success-color: #00ff00;
    --warning-color: #ffff00;
    --directory-color: #00ff00;
    --file-color: #00cc00;
    --executable-color: #00ff00;
    --highlight-color: #ffff00;
    --border-color: #003300;
    --cursor-color: #00ff00;
    --selection-bg: #003300;
}

/* Cyberpunk Theme */
[data-theme="cyberpunk"] {
    --bg-color: #0f0f23;
    --terminal-bg: #1a1a2e;
    --text-color: #ff0080;
    --prompt-color: #00ffff;
    --path-color: #ff0080;
    --error-color: #ff4444;
    --success-color: #00ffff;
    --warning-color: #ffff00;
    --directory-color: #ff0080;
    --file-color: #ffffff;
    --executable-color: #00ffff;
    --highlight-color: #ffff00;
    --border-color: #16213e;
    --cursor-color: #00ffff;
    --selection-bg: #16213e;
}

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

body {
    font-family: 'Fira Code', 'Consolas', 'Monaco', 'Courier New', monospace;
    background: var(--bg-color);
    color: var(--text-color);
    overflow: hidden;
    user-select: none;
    height: 100vh;
    width: 100vw;
    display: flex;
    align-items: center;
    justify-content: center;
}

/* Terminal Container */
#terminal-container {
    height: 80vh;
    width: min(90vw, 900px);
    display: flex;
    flex-direction: column;
    background: var(--terminal-bg);
    border: 2px solid var(--border-color);
    border-top: none;
    border-radius: 8px;
    box-shadow: 0 0 30px rgba(0, 0, 0, 0.7), 0 0 60px rgba(0, 0, 0, 0.3);
    animation: terminal-boot 1s ease-in-out;
    position: relative;
    transition: width 0.3s ease, height 0.3s ease;
    overflow: hidden;
}

@keyframes terminal-boot {
    0% {
        opacity: 0;
    }
    100% {
        opacity: 1;
    }
}

/* Terminal Header */
#terminal-header {
    background: var(--border-color);
    padding: 8px 16px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    border-radius: 6px 6px 0 0;
    position: relative;
}

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

.control {
    width: 12px;
    height: 12px;
    border-radius: 50%;
    cursor: pointer;
    transition: opacity 0.2s;
}

.control.maximize:hover {
    opacity: 0.8;
}

.control.close,
.control.minimize {
    pointer-events: none;
    opacity: 0.6;
}

.control.close {
    background: #ff5f56;
}

.control.minimize {
    background: #ffbd2e;
}

.control.maximize {
    background: #27ca3f;
}

.terminal-title {
    font-size: 14px;
    font-weight: 500;
    color: var(--text-color);
    position: absolute;
    left: 50%;
    transform: translateX(-50%);
    pointer-events: none;
}

/* Terminal Content */
#terminal-content {
    flex: 1;
    padding: 20px;
    overflow-y: auto;
    overflow-x: hidden;
    position: relative;
    scroll-behavior: smooth;
}

/* Scrollbar Styling */
#terminal-content::-webkit-scrollbar {
    width: 8px;
}

#terminal-content::-webkit-scrollbar-track {
    background: var(--terminal-bg);
}

#terminal-content::-webkit-scrollbar-thumb {
    background: var(--border-color);
    border-radius: 4px;
}

#terminal-content::-webkit-scrollbar-thumb:hover {
    background: var(--text-color);
}

/* Welcome Message */
#welcome-message {
    margin-bottom: 12px;
    animation: fadeIn 2s ease-in-out;
}

@keyframes fadeIn {
    0% { opacity: 0; }
    100% { opacity: 1; }
}

#ascii-art {
    color: var(--prompt-color);
    font-size: 11px;
    line-height: 1.2;
    margin-bottom: 12px;
    text-align: center;
    animation: glow 2s ease-in-out infinite alternate;
    white-space: pre;
    overflow-x: hidden;
}

@keyframes glow {
    0% {
        text-shadow: 0 0 5px var(--prompt-color);
    }
    100% {
        text-shadow: 0 0 20px var(--prompt-color), 0 0 30px var(--prompt-color);
    }
}

.welcome-text {
    text-align: center;
    line-height: 1.4;
    font-size: 13px;
}

.welcome-text p {
    margin-bottom: 4px;
}

.highlight {
    color: var(--highlight-color);
    font-weight: 600;
    background: rgba(241, 196, 64, 0.1);
    padding: 2px 4px;
    border-radius: 3px;
}

/* Terminal Output */
#terminal-output {
    margin-bottom: 20px;
    transition: all 0.2s ease-out;
}

.output-line {
    margin-bottom: 4px;
    line-height: 1.4;
    animation: fadeInLine 0.3s ease-out;
    opacity: 0;
    animation-fill-mode: forwards;
}

@keyframes fadeInLine {
    0% { 
        opacity: 0; 
        transform: translateY(-5px);
    }
    100% { 
        opacity: 1; 
        transform: translateY(0);
    }
}

.command-line {
    color: var(--text-color);
    margin-bottom: 8px;
}

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

.command-path {
    color: var(--path-color);
}

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

.output-text {
    color: var(--text-color);
    white-space: pre-wrap;
    word-wrap: break-word;
}

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

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

/* OTP copy button */
.copy-btn {
    background: none;
    border: 1px solid var(--border-color);
    border-radius: 4px;
    cursor: pointer;
    font-size: 14px;
    padding: 2px 6px;
    margin-left: 6px;
    vertical-align: middle;
    transition: background 0.2s;
}
.copy-btn:hover {
    background: var(--selection-bg);
}
.otp-code {
    font-weight: 600;
    letter-spacing: 1px;
    color: var(--highlight-color);
}

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

/* Terminal Links */
.terminal-link {
    color: var(--path-color);
    text-decoration: underline;
    text-decoration-style: dotted;
    text-underline-offset: 2px;
    cursor: pointer;
    pointer-events: all;
    transition: opacity 0.2s;
}

.terminal-link:hover {
    opacity: 0.8;
}

/* File/Directory Colors */
.directory {
    color: var(--directory-color);
    font-weight: 600;
}

.file {
    color: var(--file-color);
}

.executable {
    color: var(--executable-color);
    font-weight: 600;
}

/* Input Line */
#input-line {
    position: relative;
    word-break: break-all;
    overflow-wrap: anywhere;
    line-height: 1.4;
    -webkit-user-select: none;
    user-select: none;
}

#prompt {
    color: var(--prompt-color);
    font-weight: 600;
    margin-right: 2px;
    white-space: nowrap;
}

#input-display {
    white-space: pre-wrap;
    word-break: break-all;
    overflow-wrap: anywhere;
    color: var(--text-color);
    font-family: inherit;
    font-size: inherit;
}

#cursor {
    color: var(--cursor-color);
    animation: blink 1s infinite;
    pointer-events: none;
    font-size: inherit;
    line-height: inherit;
    white-space: pre;
}

#after-cursor {
    white-space: pre-wrap;
    word-break: break-all;
    overflow-wrap: anywhere;
    color: var(--text-color);
    font-family: inherit;
    font-size: inherit;
}

#command-input {
    position: absolute;
    left: 0;
    top: 0;
    width: 100%;
    height: 100%;
    background: transparent;
    border: none;
    outline: none;
    color: transparent;
    font-family: inherit;
    font-size: inherit;
    caret-color: transparent;
    z-index: 1;
    -webkit-user-select: text;
    user-select: text;
    -webkit-text-fill-color: transparent;
    text-shadow: none;
    opacity: 1;
}

#command-input::selection {
    background: transparent;
    color: transparent;
}

#command-input::-moz-selection {
    background: transparent;
    color: transparent;
}
}

@keyframes blink {
    0%, 50% { opacity: 1; }
    51%, 100% { opacity: 0; }
}

/* Auto-complete */
#autocomplete-container {
    position: absolute;
    bottom: 100%;
    left: 0;
    right: 0;
    z-index: 1000;
}

#autocomplete-list {
    background: var(--terminal-bg);
    border: 1px solid var(--border-color);
    border-radius: 4px;
    padding: 8px;
    margin-bottom: 8px;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.3);
}

.autocomplete-item {
    padding: 4px 8px;
    cursor: pointer;
    border-radius: 3px;
    transition: background-color 0.2s;
}

.autocomplete-item:hover,
.autocomplete-item.selected {
    background: var(--selection-bg);
}

.autocomplete-item.valid {
    color: var(--success-color);
}

.autocomplete-item.invalid {
    color: var(--error-color);
}

/* Mobile Virtual Keyboard */
#mobile-keyboard {
    background: var(--border-color);
    padding: 16px;
    border-top: 1px solid var(--border-color);
}

.keyboard-row {
    display: flex;
    gap: 8px;
    margin-bottom: 8px;
    justify-content: center;
}

.keyboard-row:last-child {
    margin-bottom: 0;
}

.key-btn {
    background: var(--terminal-bg);
    color: var(--text-color);
    border: 1px solid var(--border-color);
    border-radius: 4px;
    padding: 8px 12px;
    font-family: inherit;
    font-size: 12px;
    cursor: pointer;
    transition: all 0.2s;
    min-width: 60px;
}

.key-btn:hover {
    background: var(--selection-bg);
    transform: translateY(-2px);
}

.key-btn:active {
    transform: translateY(0);
}

/* Theme Switcher */
#theme-switcher {
    position: relative;
    z-index: 2000;
    margin-left: auto;
}

#theme-btn {
    background: var(--terminal-bg);
    color: var(--text-color);
    border: 1px solid var(--border-color);
    border-radius: 50%;
    width: 28px;
    height: 28px;
    cursor: pointer;
    font-size: 14px;
    transition: all 0.3s;
    display: flex;
    align-items: center;
    justify-content: center;
}

#theme-btn:hover {
    transform: rotate(180deg);
    box-shadow: 0 0 15px var(--highlight-color);
}

.theme-menu {
    position: absolute;
    top: 100%;
    right: 0;
    background: var(--terminal-bg);
    border: 1px solid var(--border-color);
    border-radius: 8px;
    padding: 8px;
    margin-top: 8px;
    min-width: 120px;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.3);
    opacity: 0;
    transform: translateY(-10px);
    pointer-events: none;
    transition: all 0.3s;
}

.theme-menu.active {
    opacity: 1;
    transform: translateY(0);
    pointer-events: all;
}

.theme-menu button {
    display: block;
    width: 100%;
    background: transparent;
    color: var(--text-color);
    border: none;
    padding: 8px;
    text-align: left;
    cursor: pointer;
    border-radius: 4px;
    transition: background-color 0.2s;
    font-family: inherit;
}

.theme-menu button:hover {
    background: var(--selection-bg);
}

.header-controls {
    display: flex;
    align-items: center;
    gap: 6px;
    margin-left: auto;
    z-index: 2000;
}

/* Loading Indicator */
#loading {
    position: fixed;
    top: 20px;
    left: 20px;
    background: var(--terminal-bg);
    border: 1px solid var(--border-color);
    border-radius: 6px;
    padding: 8px 12px;
    display: flex;
    align-items: center;
    gap: 8px;
    z-index: 3000;
    transition: opacity 0.2s ease-in-out;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.3);
    font-size: 12px;
    color: var(--text-color);
}

.spinner {
    width: 16px;
    height: 16px;
    border: 2px solid var(--border-color);
    border-top: 2px solid var(--prompt-color);
    border-radius: 50%;
    animation: spin 0.8s linear infinite;
}

@keyframes spin {
    0% { transform: rotate(0deg); }
    100% { transform: rotate(360deg); }
}

/* Utility Classes */
.hidden {
    display: none !important;
}

.mobile-only {
    display: none;
}

/* Language Switcher */
#lang-btn {
    background: var(--terminal-bg);
    color: var(--text-color);
    border: 1px solid var(--border-color);
    border-radius: 4px;
    padding: 2px 8px;
    cursor: pointer;
    font-size: 11px;
    font-family: inherit;
    transition: all 0.3s;
    margin-right: 8px;
}

#lang-btn:hover {
    box-shadow: 0 0 10px var(--highlight-color);
}

/* Mobile Responsive */
@media (max-width: 768px) {
    body {
        font-size: 14px;
    }

    #terminal-container {
        border-radius: 0;
        border: none;
        height: 100vh;
        width: 100vw;
    }

    #terminal-header {
        border-radius: 0;
        padding: 12px 16px;
    }

    #terminal-content {
        padding: 16px;
    }

    #ascii-art {
        font-size: 7px;
    }

    .mobile-only {
        display: block;
    }

    #theme-btn {
        width: 28px;
        height: 28px;
        font-size: 14px;
    }
}

@media (max-width: 480px) {
    body {
        font-size: 12px;
    }
    
    #ascii-art {
        font-size: 6px;
    }
    
    .key-btn {
        font-size: 10px;
        padding: 6px 8px;
        min-width: 50px;
    }
    
    .keyboard-row {
        gap: 4px;
    }
}

/* Selection styling */
::selection {
    background: var(--selection-bg);
    color: var(--text-color);
}

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

/* Focus states */
#command-input:focus {
    outline: none;
}

/* Reduced motion accessibility */
@media (prefers-reduced-motion: reduce) {
    .output-line {
        animation: none;
        opacity: 1;
    }

    #terminal-container {
        animation: none;
    }

    #ascii-art {
        animation: none;
    }

    #welcome-message {
        animation: none;
    }

    .theme-menu {
        transition: none;
    }
}

/* Print styles */
@media print {
    body {
        background: white;
        color: black;
    }
    
    #terminal-container {
        border: 1px solid black;
        box-shadow: none;
    }
    
    #mobile-keyboard,
    #theme-switcher,
    #loading {
        display: none !important;
    }
}