/**
 * CodeEditor Styles
 * 
 * Modern, lightweight code editor with dark theme
 * Optimized for coding interview experience
 */

/* ===================================
   CODE EDITOR CONTAINER
   =================================== */
.code-editor {
    display: flex;
    flex-direction: column;
    background: #1e1e2e;
    border-radius: 12px;
    border: 1px solid rgba(255, 255, 255, 0.1);
    overflow: hidden;
    font-family: 'Fira Code', 'Consolas', 'Monaco', monospace;
    box-shadow: 
        0 4px 20px rgba(0, 0, 0, 0.3),
        inset 0 1px 0 rgba(255, 255, 255, 0.05);
    transition: all 0.3s ease;
    min-height: 300px;
    max-height: 500px;
}

.code-editor.expanded {
    min-height: 500px;
    max-height: 80vh;
}

/* ===================================
   TOOLBAR
   =================================== */
.code-editor-toolbar {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 10px 14px;
    background: #252538;
    border-bottom: 1px solid rgba(255, 255, 255, 0.08);
    gap: 12px;
}

.toolbar-left,
.toolbar-right {
    display: flex;
    align-items: center;
    gap: 8px;
}

/* Language Selector */
.language-selector {
    position: relative;
}

.language-btn {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 6px 12px;
    background: rgba(255, 255, 255, 0.08);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: 8px;
    color: white;
    font-size: 13px;
    font-weight: 500;
    cursor: pointer;
    transition: all 0.15s ease;
}

.language-btn:hover {
    background: rgba(255, 255, 255, 0.12);
    border-color: rgba(255, 255, 255, 0.2);
}

.language-btn:disabled {
    opacity: 0.5;
    cursor: not-allowed;
}

.language-btn .lang-icon {
    font-size: 16px;
}

.language-btn svg {
    transition: transform 0.2s ease;
}

.language-btn svg.rotated {
    transform: rotate(180deg);
}

/* Language Dropdown */
.language-dropdown {
    position: absolute;
    top: calc(100% + 6px);
    left: 0;
    min-width: 180px;
    background: #2a2a3e;
    border: 1px solid rgba(255, 255, 255, 0.12);
    border-radius: 10px;
    padding: 6px;
    z-index: 100;
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.4);
    animation: dropdownSlide 0.15s ease;
}

@keyframes dropdownSlide {
    from {
        opacity: 0;
        transform: translateY(-8px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.lang-option {
    display: flex;
    align-items: center;
    gap: 10px;
    width: 100%;
    padding: 8px 12px;
    background: transparent;
    border: none;
    border-radius: 6px;
    color: rgba(255, 255, 255, 0.8);
    font-size: 13px;
    cursor: pointer;
    transition: all 0.15s ease;
}

.lang-option:hover {
    background: rgba(255, 255, 255, 0.08);
    color: white;
}

.lang-option.active {
    background: rgba(59, 130, 246, 0.2);
    color: #60a5fa;
}

.lang-option .lang-icon {
    font-size: 16px;
}

.lang-option .lang-name {
    flex: 1;
    text-align: left;
}

/* Toolbar Buttons */
.toolbar-btn {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 32px;
    height: 32px;
    background: rgba(255, 255, 255, 0.06);
    border: 1px solid transparent;
    border-radius: 8px;
    color: rgba(255, 255, 255, 0.6);
    cursor: pointer;
    transition: all 0.15s ease;
}

.toolbar-btn:hover {
    background: rgba(255, 255, 255, 0.1);
    color: white;
    border-color: rgba(255, 255, 255, 0.15);
}

.toolbar-btn.active {
    background: rgba(59, 130, 246, 0.2);
    color: #60a5fa;
}

.toolbar-btn:disabled {
    opacity: 0.4;
    cursor: not-allowed;
}

/* Run Button */
.run-btn {
    display: flex;
    align-items: center;
    gap: 6px;
    padding: 8px 16px;
    background: linear-gradient(135deg, #22c55e 0%, #16a34a 100%);
    border: none;
    border-radius: 8px;
    color: white;
    font-size: 13px;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.15s ease;
    box-shadow: 0 2px 8px rgba(34, 197, 94, 0.3);
}

.run-btn:hover:not(:disabled) {
    transform: translateY(-1px);
    box-shadow: 0 4px 12px rgba(34, 197, 94, 0.4);
}

.run-btn:active:not(:disabled) {
    transform: translateY(0);
}

.run-btn:disabled {
    opacity: 0.5;
    cursor: not-allowed;
    transform: none;
}

.run-btn.running {
    background: linear-gradient(135deg, #3b82f6 0%, #2563eb 100%);
    box-shadow: 0 2px 8px rgba(59, 130, 246, 0.3);
}

.run-btn .spin {
    animation: spin 1s linear infinite;
}

@keyframes spin {
    from { transform: rotate(0deg); }
    to { transform: rotate(360deg); }
}

/* ===================================
   STDIN CONTAINER
   =================================== */
.stdin-container {
    padding: 10px 14px;
    background: #1a1a28;
    border-bottom: 1px solid rgba(255, 255, 255, 0.06);
}

.stdin-container label {
    display: flex;
    align-items: center;
    gap: 6px;
    margin-bottom: 8px;
    color: rgba(255, 255, 255, 0.6);
    font-size: 11px;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.stdin-textarea {
    width: 100%;
    padding: 10px 12px;
    background: rgba(0, 0, 0, 0.3);
    border: 1px solid rgba(255, 255, 255, 0.08);
    border-radius: 8px;
    color: #e0e0e0;
    font-family: 'Fira Code', 'Consolas', monospace;
    font-size: 13px;
    line-height: 1.5;
    resize: vertical;
    min-height: 60px;
}

.stdin-textarea:focus {
    outline: none;
    border-color: rgba(59, 130, 246, 0.5);
}

.stdin-textarea::placeholder {
    color: rgba(255, 255, 255, 0.3);
}

/* ===================================
   EDITOR BODY
   =================================== */
.code-editor-body {
    display: flex;
    flex: 1;
    min-height: 200px;
    overflow: hidden;
}

/* Line Numbers */
.line-numbers {
    display: flex;
    flex-direction: column;
    padding: 14px 0;
    background: #1a1a28;
    border-right: 1px solid rgba(255, 255, 255, 0.06);
    min-width: 48px;
    text-align: right;
    overflow-y: hidden;
    user-select: none;
}

.line-number {
    padding: 0 12px;
    color: rgba(255, 255, 255, 0.25);
    font-size: 13px;
    line-height: 1.6;
    font-family: 'Fira Code', 'Consolas', monospace;
}

/* Code Textarea */
.code-textarea {
    flex: 1;
    padding: 14px 16px;
    background: transparent;
    border: none;
    color: #e0e0e0;
    font-family: 'Fira Code', 'Consolas', 'Monaco', monospace;
    font-size: 14px;
    line-height: 1.6;
    resize: none;
    overflow-y: auto;
    tab-size: 4;
    white-space: pre;
}

.code-textarea:focus {
    outline: none;
}

.code-textarea::placeholder {
    color: rgba(255, 255, 255, 0.25);
}

/* ===================================
   OUTPUT PANEL
   =================================== */
.output-panel {
    border-top: 1px solid rgba(255, 255, 255, 0.08);
    background: #1a1a28;
    max-height: 200px;
    overflow: hidden;
    display: flex;
    flex-direction: column;
}

.output-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 10px 14px;
    border-bottom: 1px solid rgba(255, 255, 255, 0.06);
}

.output-title {
    display: flex;
    align-items: center;
    gap: 6px;
    font-size: 12px;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.output-panel.success .output-title {
    color: #22c55e;
}

.output-panel.has-error .output-title {
    color: #ef4444;
}

.execution-time {
    font-size: 11px;
    color: rgba(255, 255, 255, 0.4);
    font-weight: 500;
}

.output-content {
    flex: 1;
    padding: 12px 14px;
    margin: 0;
    font-family: 'Fira Code', 'Consolas', monospace;
    font-size: 13px;
    line-height: 1.5;
    color: #a0a0a0;
    overflow-y: auto;
    white-space: pre-wrap;
    word-wrap: break-word;
}

.output-panel.success .output-content {
    color: #d1d5db;
}

.error-text {
    color: #f87171;
    margin-bottom: 8px;
}

/* ===================================
   KEYBOARD HINT
   =================================== */
.keyboard-hint {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 4px;
    padding: 8px;
    background: rgba(0, 0, 0, 0.2);
    border-top: 1px solid rgba(255, 255, 255, 0.05);
    font-size: 11px;
    color: rgba(255, 255, 255, 0.35);
}

.keyboard-hint kbd {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 2px 6px;
    background: rgba(255, 255, 255, 0.08);
    border: 1px solid rgba(255, 255, 255, 0.12);
    border-radius: 4px;
    font-family: inherit;
    font-size: 10px;
    color: rgba(255, 255, 255, 0.5);
}

/* ===================================
   LIGHT THEME ADJUSTMENTS
   =================================== */
[data-theme="light"] .code-editor {
    background: #ffffff;
    border-color: #e0e0e0;
}

[data-theme="light"] .code-editor-toolbar {
    background: #f5f5f5;
    border-color: #e0e0e0;
}

[data-theme="light"] .language-btn {
    background: #e8e8e8;
    border-color: #d0d0d0;
    color: #333;
}

[data-theme="light"] .language-dropdown {
    background: #ffffff;
    border-color: #e0e0e0;
}

[data-theme="light"] .lang-option {
    color: #555;
}

[data-theme="light"] .code-textarea {
    color: #333;
}

[data-theme="light"] .line-numbers {
    background: #f8f8f8;
    border-color: #e0e0e0;
}

[data-theme="light"] .line-number {
    color: #999;
}

[data-theme="light"] .output-panel {
    background: #f8f8f8;
    border-color: #e0e0e0;
}

[data-theme="light"] .output-content {
    color: #555;
}

/* ===================================
   RESPONSIVE
   =================================== */
@media (max-width: 768px) {
    .code-editor {
        min-height: 250px;
        max-height: 400px;
    }

    .code-editor-toolbar {
        flex-wrap: wrap;
        gap: 8px;
    }

    .toolbar-left,
    .toolbar-right {
        flex-wrap: wrap;
    }

    .language-btn .lang-name {
        display: none;
    }

    .run-btn span {
        display: none;
    }

    .keyboard-hint {
        display: none;
    }
}