/* Cherry Studio Design System CSS Variables */
:root {
  /* Colors - Dark Theme (Default) */
  --color-white: #ffffff;
  --color-white-soft: rgba(255, 255, 255, 0.8);
  --color-white-mute: rgba(255, 255, 255, 0.94);

  --color-black: #181818;
  --color-black-soft: #222222;
  --color-black-mute: #333333;

  --color-gray-1: #515c67;
  --color-gray-2: #414853;
  --color-gray-3: #32363f;

  --color-text-1: rgba(255, 255, 245, 0.9);
  --color-text-2: rgba(235, 235, 245, 0.6);
  --color-text-3: rgba(235, 235, 245, 0.38);

  --color-background: var(--color-black);
  --color-background-soft: var(--color-black-soft);
  --color-background-mute: var(--color-black-mute);
  --color-background-opacity: rgba(34, 34, 34, 0.7);
  --inner-glow-opacity: 0.3;

  --color-primary: #00b96b;
  --color-primary-soft: #00b96b99;
  --color-primary-mute: #00b96b33;

  --color-text: var(--color-text-1);
  --color-text-secondary: rgba(235, 235, 245, 0.7);
  --color-icon: #ffffff99;
  --color-icon-white: #ffffff;
  --color-border: #ffffff19;
  --color-border-soft: #ffffff10;
  --color-border-mute: #ffffff05;
  --color-error: #f44336;
  --color-success: #52c41a;
  --color-warning: #faad14;
  --color-link: #338cff;
  --color-code-background: #323232;
  --color-hover: rgba(40, 40, 40, 1);
  --color-active: rgba(55, 55, 55, 1);
  --color-frame-border: #333;
  --color-group-background: var(--color-background-soft);

  --color-reference: #404040;
  --color-reference-text: #ffffff;
  --color-reference-background: #0b0e12;

  --color-list-item: rgba(255, 255, 255, 0.1);
  --color-list-item-hover: rgba(255, 255, 255, 0.05);

  --modal-background: #111111;

  --color-highlight: rgba(0, 0, 0, 1);
  --color-background-highlight: rgba(255, 255, 0, 0.9);
  --color-background-highlight-accent: rgba(255, 150, 50, 0.9);

  --navbar-background-mac: rgba(20, 20, 20, 0.55);
  --navbar-background: #1f1f1f;

  /* Typography */
  --font-family: Ubuntu, -apple-system, BlinkMacSystemFont, 'Segoe UI', system-ui, Roboto, Oxygen, Cantarell, 'Open Sans', 'Helvetica Neue', Arial, 'Noto Sans', sans-serif, 'Apple Color Emoji', 'Segoe UI Emoji', 'Segoe UI Symbol', 'Noto Color Emoji';
  --font-family-mono: 'Cascadia Code', 'Fira Code', 'Consolas', Menlo, Courier, monospace;
  --font-family-serif: serif, -apple-system, BlinkMacSystemFont, 'Segoe UI', system-ui, Ubuntu, Roboto, Oxygen, Cantarell, 'Open Sans', 'Helvetica Neue', Arial, 'Noto Sans', 'Apple Color Emoji', 'Segoe UI Emoji', 'Segoe UI Symbol', 'Noto Color Emoji';

  /* Sizing */
  --navbar-height: 44px;
  --status-bar-height: 40px;
  --input-bar-height: 100px;
  --border-radius: 10px;
  --border-radius-small: 6px;
  --spacing-xs: 4px;
  --spacing-sm: 8px;
  --spacing-md: 12px;
  --spacing-lg: 16px;
  --spacing-xl: 24px;
  --spacing-xxl: 32px;
  --scrollbar-width: 5px;

  /* Chat styling */
  --chat-background: transparent;
  --chat-background-user: rgba(255, 255, 255, 0.08);
  --chat-background-assistant: transparent;
  --chat-text-user: var(--color-black);

  --list-item-border-radius: 10px;

  --color-status-success: #52c41a;
  --color-status-error: #ff4d4f;
  --color-status-warning: #faad14;

  /* Scrollbar colors */
  --color-scrollbar-thumb-dark: rgba(255, 255, 255, 0.15);
  --color-scrollbar-thumb-dark-hover: rgba(255, 255, 255, 0.2);
  --color-scrollbar-thumb: var(--color-scrollbar-thumb-dark);
  --color-scrollbar-thumb-hover: var(--color-scrollbar-thumb-dark-hover);

  /* Transitions */
  --transition-fast: 0.15s ease;
  --transition-normal: 0.2s ease;
  --transition-slow: 0.3s ease;
}

/* Light Theme */
[theme-mode='light'] {
  --color-white: #ffffff;
  --color-white-soft: rgba(0, 0, 0, 0.04);
  --color-white-mute: #eee;

  --color-black: #1b1b1f;
  --color-black-soft: #262626;
  --color-black-mute: #363636;

  --color-gray-1: #8e8e93;
  --color-gray-2: #aeaeb2;
  --color-gray-3: #c7c7cc;

  --color-text-1: rgba(0, 0, 0, 1);
  --color-text-2: rgba(0, 0, 0, 0.6);
  --color-text-3: rgba(0, 0, 0, 0.38);

  --color-background: var(--color-white);
  --color-background-soft: var(--color-white-soft);
  --color-background-mute: var(--color-white-mute);
  --color-background-opacity: rgba(243, 243, 243, 1);
  --inner-glow-opacity: 0.1;

  --color-primary: #00b96b;
  --color-primary-soft: #00b96b99;
  --color-primary-mute: #00b96b33;

  --color-text: var(--color-text-1);
  --color-text-secondary: rgba(0, 0, 0, 0.75);
  --color-icon: #00000099;
  --color-icon-white: #000000;
  --color-border: #00000019;
  --color-border-soft: #00000010;
  --color-border-mute: #00000005;
  --color-error: #f44336;
  --color-link: #1677ff;
  --color-code-background: #e3e3e3;
  --color-hover: var(--color-white-mute);
  --color-active: var(--color-white-soft);
  --color-frame-border: #ddd;
  --color-group-background: var(--color-white);

  --color-reference: #cfe1ff;
  --color-reference-text: #000000;
  --color-reference-background: #f1f7ff;

  --color-list-item: #fff;
  --color-list-item-hover: #fafafa;

  --modal-background: var(--color-white);

  --color-highlight: initial;
  --color-background-highlight: rgba(255, 255, 0, 0.5);
  --color-background-highlight-accent: rgba(255, 150, 50, 0.5);

  --navbar-background-mac: rgba(255, 255, 255, 0.55);
  --navbar-background: rgba(244, 244, 244);

  --chat-background: transparent;
  --chat-background-user: rgba(0, 0, 0, 0.045);
  --chat-background-assistant: transparent;
  --chat-text-user: var(--color-text);

  /* Scrollbar colors for light theme */
  --color-scrollbar-thumb-light: rgba(0, 0, 0, 0.15);
  --color-scrollbar-thumb-light-hover: rgba(0, 0, 0, 0.2);
  --color-scrollbar-thumb: var(--color-scrollbar-thumb-light);
  --color-scrollbar-thumb-hover: var(--color-scrollbar-thumb-light-hover);
}

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

body {
    font-family: var(--font-family);
    background-color: var(--color-background);
    color: var(--color-text);
    height: 100vh;
    overflow: hidden;
    font-size: 14px;
    line-height: 1.5;
    transition: background-color var(--transition-normal), color var(--transition-normal);
}

.container {
    display: flex;
    flex-direction: column;
    height: 100vh;
    position: relative;
}

header {
    background-color: var(--navbar-background);
    padding: var(--spacing-lg) var(--spacing-xl);
    border-bottom: 1px solid var(--color-border);
    display: flex;
    justify-content: space-between;
    align-items: center;
    height: var(--navbar-height);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    transition: background-color var(--transition-slow) linear, border-color var(--transition-normal);
    position: relative;
    z-index: 10;
    box-shadow: 0 1px 0 var(--color-border-soft);
}

/* macOS specific header styling */
body[os='darwin'] header {
    background-color: var(--navbar-background-mac);
}

header h1 {
    font-size: 1.25rem;
    font-weight: 600;
    color: var(--color-text);
    margin: 0;
    transition: color var(--transition-slow) linear;
    font-family: var(--font-family);
    letter-spacing: -0.01em;
}

.header-controls {
    display: flex;
    align-items: center;
    gap: var(--spacing-lg);
}

.status {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    padding: var(--spacing-xs) var(--spacing-md);
    background-color: var(--color-background-opacity);
    border-radius: var(--border-radius-small);
    border: 1px solid var(--color-border-soft);
    transition: all var(--transition-normal);
}

.status-connected {
    color: var(--color-success);
}

.status-disconnected {
    color: var(--color-error);
}

.status span:first-child {
    font-size: 12px;
    animation: pulse 2s infinite;
}

.status span:last-child {
    font-size: 13px;
    font-weight: 500;
    color: var(--color-text-secondary);
}

@keyframes pulse {
    0%, 100% { opacity: 1; }
    50% { opacity: 0.5; }
}

.chat-container {
    flex: 1;
    display: flex;
    flex-direction: column;
    overflow: hidden;
    position: relative;
}

.output-area {
    flex: 1;
    padding: var(--spacing-lg) var(--spacing-xl);
    overflow-y: auto;
    background-color: var(--color-background);
    font-family: var(--font-family);
    font-size: 14px;
    line-height: 1.6;
    scroll-behavior: smooth;
    position: relative;
}

.message {
    margin-bottom: var(--spacing-lg);
    padding: var(--spacing-md) var(--spacing-lg);
    border-radius: var(--border-radius);
    max-width: 100%;
    word-wrap: break-word;
    position: relative;
    transition: all var(--transition-normal);
    transform: translateZ(0);
    will-change: transform;
    animation: messageSlideIn 0.3s ease-out;
    display: flow-root;
}

.message:hover {
    transform: translateY(-1px);
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.15);
}

[theme-mode='light'] .message:hover {
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.08);
}

.message + .message {
    margin-top: var(--spacing-md);
}

/* User/Command Messages - styled like Cherry Studio user messages */
.message.command {
    background-color: var(--chat-background-user);
    color: var(--color-text);
    margin-left: auto;
    margin-right: 0;
    text-align: right;
    max-width: 85%;
    font-family: var(--font-family-mono);
    font-size: 14px;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.1);
    border: 1px solid var(--color-border-soft);
    align-self: flex-end;
}

[theme-mode='light'] .message.command {
    color: var(--chat-text-user);
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.05);
}

.message.command::before {
    content: "$ ";
    opacity: 0.7;
    font-weight: bold;
    color: var(--color-primary);
}

/* Assistant/Output Messages - styled like Cherry Studio assistant messages */
.message.output {
    background-color: var(--chat-background-assistant);
    border-left: 4px solid var(--color-success);
    border-radius: var(--border-radius);
    font-family: var(--font-family-mono);
    font-size: 14px;
    position: relative;
    box-shadow: 0 1px 3px rgba(0, 0, 0, 0.05);
    border: 1px solid var(--color-border-soft);
    border-left: 4px solid var(--color-success);
    padding-left: var(--spacing-xl);
    color: var(--color-text);
}

.message.output::before {
    content: "✓";
    position: absolute;
    left: -2px;
    top: var(--spacing-md);
    width: 16px;
    height: 16px;
    background-color: var(--color-success);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 10px;
    color: white;
    font-weight: bold;
    z-index: 1;
}

/* Error Messages */
.message.error {
    background-color: var(--chat-background-assistant);
    border-left: 4px solid var(--color-error);
    border-radius: var(--border-radius);
    font-family: var(--font-family-mono);
    font-size: 14px;
    position: relative;
    box-shadow: 0 1px 3px rgba(244, 67, 54, 0.1);
    border: 1px solid var(--color-border-soft);
    border-left: 4px solid var(--color-error);
    padding-left: var(--spacing-xl);
    color: var(--color-text);
}

.message.error::before {
    content: "✕";
    position: absolute;
    left: -2px;
    top: var(--spacing-md);
    width: 16px;
    height: 16px;
    background-color: var(--color-error);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 10px;
    color: white;
    font-weight: bold;
    z-index: 1;
}

/* System Messages */
.message.system {
    background-color: var(--chat-background-assistant);
    border-left: 4px solid var(--color-warning);
    font-style: italic;
    border-radius: var(--border-radius);
    font-size: 14px;
    position: relative;
    box-shadow: 0 1px 3px rgba(255, 152, 0, 0.1);
    border: 1px solid var(--color-border-soft);
    border-left: 4px solid var(--color-warning);
    color: var(--color-text-secondary);
    padding-left: var(--spacing-xl);
}

.message.system::before {
    content: "i";
    position: absolute;
    left: -2px;
    top: var(--spacing-md);
    width: 16px;
    height: 16px;
    background-color: var(--color-warning);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 12px;
    color: white;
    font-weight: bold;
    font-style: normal;
    z-index: 1;
}

.message pre {
    margin: 0;
    white-space: pre-wrap;
    word-break: break-word;
    font-family: var(--font-family-mono);
    font-size: 14px;
    line-height: 1.5;
    color: inherit;
}

.message pre code {
    font-family: var(--font-family-mono);
    background: transparent;
    padding: 0;
    border-radius: 0;
    color: inherit;
}

/* Consistent with Cherry Studio's code styling */
code {
    color: var(--color-text);
    font-family: var(--font-family-mono);
    background-color: var(--color-code-background);
    padding: 2px 4px;
    border-radius: 4px;
    font-size: 0.9em;
}

.input-area {
    background-color: var(--color-background-soft);
    padding: var(--spacing-lg) var(--spacing-xl);
    border-top: 1px solid var(--color-border);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    transition: all var(--transition-normal);
    position: relative;
    z-index: 5;
}

.command-input-container,
.user-input-container {
    display: flex;
    gap: var(--spacing-md);
    align-items: center;
    position: relative;
}

.user-input-container {
    margin-top: var(--spacing-md);
    padding-top: var(--spacing-md);
    border-top: 1px solid var(--color-border-soft);
}

input[type="text"] {
    flex: 1;
    padding: var(--spacing-md) var(--spacing-lg);
    border: 1px solid var(--color-border);
    border-radius: var(--border-radius);
    background-color: var(--color-background-opacity);
    color: var(--color-text);
    font-size: 14px;
    font-family: var(--font-family-mono);
    transition: all var(--transition-normal);
    backdrop-filter: blur(5px);
    -webkit-backdrop-filter: blur(5px);
}

input[type="text"]:focus {
    outline: none;
    border-color: var(--color-primary);
    box-shadow: 0 0 0 3px var(--color-primary-mute);
    background-color: var(--color-background);
    transform: translateY(-1px);
}

button {
    padding: var(--spacing-md) var(--spacing-xl);
    border: none;
    border-radius: var(--border-radius);
    font-size: 14px;
    font-weight: 600;
    cursor: pointer;
    transition: all var(--transition-normal);
    position: relative;
    overflow: hidden;
    font-family: var(--font-family);
    min-width: 80px;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-xs);
}

button::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.1), transparent);
    transition: left var(--transition-slow);
}

button:hover::before {
    left: 100%;
}

#run-btn {
    background-color: var(--color-success);
    color: white;
    box-shadow: 0 2px 8px rgba(82, 196, 26, 0.2);
}

#run-btn:hover:not(:disabled) {
    background-color: #45a049;
    transform: translateY(-2px);
    box-shadow: 0 4px 16px rgba(82, 196, 26, 0.3);
}

#run-btn:active:not(:disabled) {
    transform: translateY(0);
    box-shadow: 0 2px 8px rgba(82, 196, 26, 0.2);
}

#run-btn:disabled {
    background-color: var(--color-gray-3);
    cursor: not-allowed;
    opacity: 0.6;
    transform: none;
    box-shadow: none;
}

#kill-btn {
    background-color: var(--color-error);
    color: white;
    box-shadow: 0 2px 8px rgba(244, 67, 54, 0.2);
}

#kill-btn:hover:not(:disabled) {
    background-color: #da190b;
    transform: translateY(-2px);
    box-shadow: 0 4px 16px rgba(244, 67, 54, 0.3);
}

#kill-btn:active:not(:disabled) {
    transform: translateY(0);
    box-shadow: 0 2px 8px rgba(244, 67, 54, 0.2);
}

#kill-btn:disabled {
    background-color: var(--color-gray-3);
    cursor: not-allowed;
    opacity: 0.6;
    transform: none;
    box-shadow: none;
}

#send-btn {
    background-color: var(--color-primary);
    color: white;
    box-shadow: 0 2px 8px var(--color-primary-mute);
}

#send-btn:hover:not(:disabled) {
    background-color: #00a55e;
    transform: translateY(-2px);
    box-shadow: 0 4px 16px var(--color-primary-soft);
}

#send-btn:active:not(:disabled) {
    transform: translateY(0);
    box-shadow: 0 2px 8px var(--color-primary-mute);
}

#send-btn:disabled {
    background-color: var(--color-gray-3);
    cursor: not-allowed;
    opacity: 0.6;
    transform: none;
    box-shadow: none;
}

.timestamp {
    font-size: 11px;
    color: var(--color-text-3);
    margin-bottom: var(--spacing-xs);
    font-family: var(--font-family-mono);
    opacity: 0.8;
    transition: color var(--transition-normal);
}

/* Cherry Studio Scrollbar Styling */
::-webkit-scrollbar {
    width: var(--scrollbar-width);
    height: var(--scrollbar-width);
}

::-webkit-scrollbar-track,
::-webkit-scrollbar-corner {
    background: transparent;
}

::-webkit-scrollbar-thumb {
    border-radius: 10px;
    background: var(--color-scrollbar-thumb);
    transition: background-color var(--transition-normal);
}

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

/* Firefox scrollbar */
.output-area {
    scrollbar-width: thin;
    scrollbar-color: var(--color-scrollbar-thumb) transparent;
}

/* Hide scrollbar for screenshot capability */
.hide-scrollbar,
.hide-scrollbar * {
    scrollbar-width: none !important;
}

.hide-scrollbar::-webkit-scrollbar {
    display: none !important;
}

/* Theme Toggle Button */
.theme-toggle {
    background: none;
    border: 1px solid var(--color-border);
    color: var(--color-icon);
    border-radius: 50%;
    width: 36px;
    height: 36px;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    transition: all var(--transition-normal);
    font-size: 16px;
    padding: 0;
    min-width: 36px;
}

.theme-toggle:hover {
    background-color: var(--color-hover);
    color: var(--color-text);
    transform: scale(1.1);
}

/* Loading states */
.loading {
    position: relative;
    overflow: hidden;
}

.loading::after {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.1), transparent);
    animation: loading-shine 1.5s infinite;
}

@keyframes loading-shine {
    0% { left: -100%; }
    100% { left: 100%; }
}

/* Cherry Studio Animation Effects */
@keyframes messageSlideIn {
    from {
        opacity: 0;
        transform: translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes animation-pulse {
    0% {
        box-shadow: 0 0 0 0 rgba(var(--pulse-color), 0.5);
    }
    70% {
        box-shadow: 0 0 0 var(--pulse-size) rgba(var(--pulse-color), 0);
    }
    100% {
        box-shadow: 0 0 0 0 rgba(var(--pulse-color), 0);
    }
}

.animation-pulse {
    --pulse-color: 0, 185, 107;
    --pulse-size: 8px;
    animation: animation-pulse 1.5s infinite;
}

@keyframes flash {
    0%, 100% {
        opacity: 1;
    }
    50% {
        opacity: 0.5;
    }
}

.loader {
    width: 16px;
    height: 16px;
    border-radius: 50%;
    background-color: var(--color-text);
    box-shadow: 32px 0 var(--color-text), -32px 0 var(--color-text);
    position: relative;
    animation: flash 0.5s ease-out infinite alternate;
}

/* Empty state */
.output-area:empty::before {
    content: 'Welcome to Python CLI Web Interface\AStart by entering a Python command below';
    white-space: pre;
    display: block;
    text-align: center;
    color: var(--color-text-3);
    font-style: italic;
    margin-top: 25%;
    line-height: 1.8;
}

/* Enhanced Focus Indicators for Accessibility */
*:focus {
    outline: none;
}

button:focus-visible,
input:focus-visible,
.theme-toggle:focus-visible {
    outline: 2px solid var(--color-primary);
    outline-offset: 2px;
    border-radius: var(--border-radius);
}

/* High contrast mode support */
@media (prefers-contrast: high) {
    :root {
        --color-border: #666;
        --color-border-soft: #444;
        --color-text-secondary: rgba(255, 255, 255, 0.9);
    }
    
    [theme-mode='light'] {
        --color-border: #999;
        --color-border-soft: #bbb;
        --color-text-secondary: rgba(0, 0, 0, 0.9);
    }
}

/* Reduced motion support */
@media (prefers-reduced-motion: reduce) {
    * {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
    }
    
    .message {
        animation: none;
    }
    
    button::before {
        transition: none;
    }
}

/* Responsive design */
@media (max-width: 768px) {
    header {
        padding: var(--spacing-md) var(--spacing-lg);
    }
    
    .output-area {
        padding: var(--spacing-md) var(--spacing-lg);
    }
    
    .input-area {
        padding: var(--spacing-md) var(--spacing-lg);
    }
    
    .command-input-container,
    .user-input-container {
        flex-direction: column;
        gap: var(--spacing-sm);
    }
    
    button {
        width: 100%;
        order: 1;
    }
    
    input[type="text"] {
        order: 0;
    }
    
    .message {
        margin-bottom: var(--spacing-md);
    }
    
    .message.command {
        max-width: 100%;
    }
}

@media (max-width: 480px) {
    header h1 {
        font-size: 1.1rem;
    }
    
    .status {
        font-size: 12px;
    }
    
    button {
        padding: var(--spacing-sm) var(--spacing-md);
        font-size: 13px;
    }
    
    input[type="text"] {
        padding: var(--spacing-sm) var(--spacing-md);
        font-size: 13px;
    }
}