@import url('https://fonts.googleapis.com/css2?family=Poppins:wght@200;300;400;500;600;700&display=swap');
@import url('https://fonts.googleapis.com/css2?family=Fira+Code:wght@400;700&display=swap');

:root {
    --font-sans: 'Poppins', sans-serif;
    --font-mono: 'Fira Code', monospace;
    --radius: 0.5rem;

    /* Light Theme */
    --bg: #f4f4f5;
    --bg-alt: #ffffff;
    --fg: #18181b;
    --border: #e4e4e7;
    --primary: #2563eb;
    --primary-fg: #ffffff;
    --btn-bg: #ffffff;
    --btn-hover-bg: #f4f4f5;
}

.dark-mode {
    /* Dark Theme */
    --bg: #09090b;
    --bg-alt: #18181b;
    --fg: #f4f4f5;
    --border: #27272a;
    --primary: #3b82f6;
    --primary-fg: #ffffff;
    --btn-bg: #27272a;
    --btn-hover-bg: #3f3f46;
}

* {
    box-sizing: border-box;
}

body {
    font-family: var(--font-sans);
    background-color: var(--bg);
    color: var(--fg);
    margin: 0;
    display: flex;
    flex-direction: column;
    min-height: 100vh;
    transition: background-color 0.2s ease, color 0.2s ease;
}

header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 0.75rem 1.5rem;
    background-color: var(--bg-alt);
    border-bottom: 1px solid var(--border);
    flex-shrink: 0;
}

.logo {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    font-size: 1.125rem;
    font-weight: 600;
}

.logo .material-symbols-outlined {
    font-size: 2rem;
}

.header-actions {
    display: flex;
    align-items: center;
    gap: 1rem;
}

.theme-switch {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 40px;
    height: 40px;
    border-radius: 50%;
    border: none;
    background: none;
    cursor: pointer;
    color: var(--fg);
}

.theme-switch:hover {
    background-color: var(--btn-hover-bg);
}

main {
    flex-grow: 1;
    display: flex;
    flex-direction: column;
    padding: 1rem;
    gap: 1rem;
}

.controls-bar {
    display: flex;
    flex-wrap: wrap;
    gap: 1rem;
    align-items: center;
}

select,
.btn {
    background-color: var(--btn-bg);
    border: 1px solid var(--border);
    color: var(--fg);
    padding: 0.6rem 1rem;
    border-radius: var(--radius);
    font-family: var(--font-sans);
    font-size: 0.875rem;
    font-weight: 500;
    cursor: pointer;
    transition: background-color 0.2s ease, border-color 0.2s ease;
}

select:focus,
.btn:focus {
    outline: 2px solid var(--primary);
}

.btn:hover {
    background-color: var(--btn-hover-bg);
}

.btn.primary {
    background-color: var(--primary);
    color: var(--primary-fg);
    border-color: var(--primary);
}

.btn.primary:hover {
    background-color: #1d4ed8;
}

.dark-mode .btn.primary:hover {
    background-color: #60a5fa;
}

.btn {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
}

.editors-container {
    flex-grow: 1;
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 1rem;
    min-height: 65vh;
}

.editor-panel {
    background-color: var(--bg-alt);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    display: flex;
    flex-direction: column;
    position: relative;
    overflow: hidden;
}

.editor-header {
    padding: 0.5rem 1rem;
    border-bottom: 1px solid var(--border);
    display: flex;
    justify-content: space-between;
    align-items: center;
    font-weight: 500;
    font-size: 0.875rem;
}

.editor-actions {
    display: flex;
    gap: 0.5rem;
}

.editor-actions .btn {
    padding: 0.25rem;
    font-size: 1.1rem;
}

#input-editor,
pre[class*="language-"] {
    flex-grow: 1;
    width: 100%;
    height: 100%;
    padding: 0.75rem;
    margin: 0;
    border: none;
    background-color: transparent;
    color: var(--fg);
    font-family: var(--font-mono);
    font-size: 14px;
    line-height: 1.6;
    resize: none;
}

#input-editor:focus {
    outline: none;
}

.dark-mode #input-editor {
    color: var(--fg);
}

#drop-zone.drag-over {
    border: 2px dashed var(--primary);
    background-color: var(--btn-hover-bg);
}

.file-info {
    font-size: 0.75rem;
    color: #6b7280;
    align-self: center;
}

pre[class*="language-"] {
    overflow: auto;
}

.line-numbers .line-numbers-rows {
    border-right-color: var(--border) !important;
}

.toggle-group{
    display: flex;
    margin-left: auto;
    gap: 1rem;
    padding: 0.5rem;
    border: 1px dashed var(--fg);
    border-radius: 100px;
}

/* --- Pill Button Toggle CSS --- */
.pill-toggle {
    display: inline-block;
    cursor: pointer;
    user-select: none;
}

.pill-toggle input[type="checkbox"] {
    display: none;
    /* Hide the actual checkbox */
}

.pill-toggle .label-text {
    display: block;
    padding: 8px 16px;
    border-radius: 50px;
    font-size: 14px;
    font-weight: 500;
    transition: all 0.2s ease-in-out;

    /* "Off" state styles */
    background-color: var(--bg-alt);
    color: var(--fg);
    border: 1px solid transparent;
}

/* "On" state styles */
.pill-toggle input:checked+.label-text {
    background-color: rgba(8, 182, 235, 0.1);
    color: var(--primary);
    border-color: var(--primary);
}

#toast {
    position: fixed;
    bottom: -100px;
    left: 50%;
    transform: translateX(-50%);
    padding: 0.75rem 1.5rem;
    color: white;
    border-radius: var(--radius);
    font-weight: 500;
    transition: bottom 0.5s ease-in-out;
    z-index: 100;
}

#toast.show {
    bottom: 30px;
}

@media (max-width: 800px) {
    .editors-container {
        grid-template-columns: 1fr;
    }

    .controls-bar {
        flex-direction: column;
        align-items: stretch;
    }
}