:root {
    --bg-color: #0d1117;
    --surface-color: #161b22;
    --border-color: #30363d;
    --text-primary: #f0f6fc;
    --text-secondary: #8b949e;
    --accent-color: #58a6ff;
    --accent-hover: #1f6feb;
    --success-color: #238636;
    --font-heading: 'Inter', sans-serif;
    --font-mono: 'JetBrains Mono', monospace;
}

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

body {
    background-color: var(--bg-color);
    color: var(--text-primary);
    font-family: var(--font-heading);
    height: 100vh;
    display: flex;
    flex-direction: column;
    overflow: hidden;
}

.app-container {
    display: flex;
    flex-direction: column;
    height: 100%;
}

/* Navbar */
.navbar {
    height: 60px;
    background-color: var(--surface-color);
    border-bottom: 1px solid var(--border-color);
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0 20px;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.2);
}

.logo {
    display: flex;
    align-items: center;
    gap: 10px;
}

.logo-icon {
    background: linear-gradient(135deg, var(--accent-color), #bc8cff);
    color: white;
    width: 32px;
    height: 32px;
    border-radius: 8px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 700;
    font-family: var(--font-mono);
}

.logo h1 {
    font-size: 1.2rem;
    font-weight: 600;
    letter-spacing: -0.5px;
}

.controls {
    display: flex;
    gap: 15px;
    align-items: center;
}

select {
    background-color: var(--bg-color);
    border: 1px solid var(--border-color);
    color: var(--text-primary);
    padding: 8px 12px;
    border-radius: 6px;
    font-family: var(--font-heading);
    cursor: pointer;
    outline: none;
    transition: all 0.2s;
}

select:hover {
    border-color: var(--text-secondary);
}

.btn {
    border: none;
    padding: 8px 16px;
    border-radius: 6px;
    font-weight: 500;
    cursor: pointer;
    display: flex;
    align-items: center;
    gap: 8px;
    transition: all 0.2s;
    font-family: var(--font-heading);
}

.primary {
    background-color: var(--success-color);
    color: white;
}

.primary:hover {
    filter: brightness(1.1);
    transform: translateY(-1px);
}

.primary:active {
    transform: translateY(0);
}

.text-btn {
    background: transparent;
    color: var(--text-secondary);
    padding: 4px 8px;
    font-size: 0.85rem;
}

.text-btn:hover {
    color: var(--accent-color);
}

/* Workspace */
.editor-workspace {
    flex: 1;
    display: flex;
    overflow: hidden;
    padding: 20px;
    gap: 20px;
}

.editor-pane,
.output-pane {
    flex: 1;
    display: flex;
    flex-direction: column;
    background-color: var(--surface-color);
    border: 1px solid var(--border-color);
    border-radius: 12px;
    overflow: hidden;
}

.pane-header {
    padding: 12px 16px;
    background-color: rgba(255, 255, 255, 0.03);
    border-bottom: 1px solid var(--border-color);
    font-size: 0.9rem;
    font-weight: 500;
    color: var(--text-secondary);
    display: flex;
    justify-content: space-between;
    align-items: center;
}

textarea#code-editor {
    flex: 1;
    background-color: transparent;
    border: none;
    color: var(--text-primary);
    font-family: var(--font-mono);
    font-size: 1rem;
    padding: 16px;
    resize: none;
    outline: none;
    line-height: 1.6;
    z-index: 1;
}

.code-container {
    flex: 1;
    display: flex;
    position: relative;
    overflow: hidden;
}

.line-numbers {
    padding: 16px 10px;
    text-align: right;
    background-color: rgba(255, 255, 255, 0.02);
    border-right: 1px solid var(--border-color);
    color: var(--text-secondary);
    font-family: var(--font-mono);
    font-size: 1rem;
    line-height: 1.6;
    user-select: none;
    min-width: 40px;
}

.console {
    flex: 1;
    padding: 16px;
    font-family: var(--font-mono);
    font-size: 0.95rem;
    color: var(--text-primary);
    overflow-y: auto;
}

.console-line {
    margin-bottom: 4px;
}

.error {
    color: #ff7b72;
}

/* Keyboard Panel */
.keyboard-panel {
    background-color: var(--surface-color);
    border-top: 1px solid var(--border-color);
    transition: transform 0.3s cubic-bezier(0.16, 1, 0.3, 1);
    z-index: 10;
    position: relative;
}

.keyboard-header {
    padding: 10px 20px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    cursor: pointer;
    background-color: rgba(255, 255, 255, 0.02);
}

.keyboard-header:hover {
    background-color: rgba(255, 255, 255, 0.05);
}

.keyboard-wrapper {
    height: 0;
    overflow: hidden;
    transition: all 0.3s;
    display: flex;
    flex-direction: column;
}

.keyboard-panel.open .keyboard-wrapper {
    height: 350px;
    /* Increased height for full keyboard */
    overflow-y: auto;
    padding-bottom: 20px;
}

.keyboard-content {
    padding: 20px;
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(100px, 1fr));
    gap: 10px;
    border-bottom: 1px solid var(--border-color);
}

.simple-keyboard {
    color: black;
    /* simple-keyboard defaults */
    padding: 10px;
    background-color: #ececec;
}

.keyboard-panel.open #keyboard-chevron {
    transform: rotate(180deg);
}

.key-btn {
    background-color: var(--bg-color);
    border: 1px solid var(--border-color);
    color: var(--accent-color);
    padding: 10px;
    border-radius: 8px;
    cursor: pointer;
    font-family: var(--font-heading);
    text-align: center;
    transition: all 0.2s;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 4px;
}

.key-btn:hover {
    border-color: var(--accent-color);
    background-color: rgba(88, 166, 255, 0.1);
}

.key-label {
    font-size: 0.9rem;
    font-weight: 600;
}

.key-desc {
    font-size: 0.7rem;
    color: var(--text-secondary);
}

/* Modal */
.modal-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0, 0, 0, 0.5);
    display: flex;
    justify-content: center;
    align-items: center;
    z-index: 1000;
    backdrop-filter: blur(4px);
    opacity: 1;
    transition: opacity 0.3s;
}

.modal-overlay.hidden {
    opacity: 0;
    pointer-events: none;
}

.modal {
    background-color: var(--surface-color);
    border: 1px solid var(--border-color);
    border-radius: 12px;
    width: 500px;
    max-width: 90%;
    max-height: 80vh;
    display: flex;
    flex-direction: column;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.3);
}

.modal-header {
    padding: 16px 24px;
    border-bottom: 1px solid var(--border-color);
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.modal-header h2 {
    font-size: 1.1rem;
    font-weight: 600;
}

.modal-body {
    padding: 24px;
    overflow-y: auto;
}

.settings-info {
    margin-bottom: 20px;
    font-size: 0.9rem;
    color: var(--text-secondary);
    line-height: 1.5;
}

#keywords-form {
    display: grid;
    gap: 16px;
}

.form-group {
    display: flex;
    flex-direction: column;
    gap: 6px;
}

.form-group label {
    font-size: 0.85rem;
    color: var(--text-secondary);
    font-family: var(--font-mono);
}

.form-group input {
    background-color: var(--bg-color);
    border: 1px solid var(--border-color);
    color: var(--text-primary);
    padding: 10px;
    border-radius: 6px;
    font-family: var(--font-heading);
    font-size: 0.95rem;
    outline: none;
    transition: border-color 0.2s;
}

.form-group input:focus {
    border-color: var(--accent-color);
}

.modal-footer {
    padding: 16px 24px;
    border-top: 1px solid var(--border-color);
    display: flex;
    justify-content: flex-end;
    gap: 12px;
}