/* --- Grundlegende Stile & Variablen (Dark Mode Default) --- */
:root {
    --bg-color: #1a1a1e;
    --text-color: #fff;
    --primary-color: #da4353;
    --primary-hover: #dc1e35;
    --secondary-color: #2a2a30;
    --border-color: #444;
    --input-bg: #2c2c33;
    --input-text: #fff;
    --log-bg: #111;
    --success-color: #da4353;
    --preview-bg: #2c2c33;
    --preview-text: #e0e0e0;
    --preview-code-bg: #111;
    --preview-table-border: #444;
    --preview-th-bg: #383840;

    --font-family:
        -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto,
        Helvetica, Arial, sans-serif;
    --focus-ring: 2px solid var(--primary-color);
}

/* --- Light Mode Override (Using data-theme for compatibility) --- */
[data-theme="light"] {
    --bg-color: #f5f5f7;
    --text-color: #333333;
    --primary-color: #da4353;
    --primary-hover: #dc1e35;
    --secondary-color: #ffffff;
    --border-color: #cccccc;
    --input-bg: #ffffff;
    --input-text: #333;
    --log-bg: #e0e0e0;
    --success-color: #da4353;
    --error-color: #da4353;
    --preview-bg: #ffffff;
    --preview-text: #000000;
    --preview-code-bg: #f0f0f0;
    --preview-table-border: #ccc;
    --preview-th-bg: #f0f0f0;
}

html,
body {
    height: 100vh;
    width: 100vw;
    margin: 0;
    padding: 0;
    overflow: hidden;
    font-family: var(--font-family);
    background-color: var(--bg-color);
    color: var(--text-color);
    font-size: 14px;
    transition:
        background-color 0.3s,
        color 0.3s;
    box-sizing: border-box;
}

*,
*::before,
*::after {
    box-sizing: inherit;
}

/* --- Layout-Struktur --- */
.container {
    display: grid;
    grid-template-columns: 380px 1fr;
    height: 100vh;
    gap: 10px;
    padding: 10px;
    box-sizing: border-box;
}

.main-content {
    display: flex;
    flex-direction: column;
    gap: 10px;
    height: 100%;
    min-height: 0;
    box-sizing: border-box;
    overflow: hidden;
}

.preview-area {
    display: flex;
    flex-direction: row;
    gap: 15px;
    flex: 1;
    min-height: 0;
}

.preview-area>div,
.preview-area>.output-wrapper {
    flex: 1;
    min-width: 0;
    display: flex;
    flex-direction: column;
    height: 100%;
}

/* --- Steuerungs-Panel (linke Spalte) --- */
.controls {
    background-color: var(--secondary-color);
    border-radius: 8px;
    padding: 15px;
    display: flex;
    flex-direction: column;
    gap: 10px;
    overflow-y: auto;
    border: 1px solid var(--border-color);
    position: relative;
    max-height: 100vh;
}

.header-row {
    display: flex;
    justify-content: space-between;
    align-items: center;
    border-bottom: 1px solid var(--border-color);
    margin-bottom: 10px;
    padding-bottom: 10px;
}

.title-group {
    display: flex;
    align-items: center;
}

.controls h1 {
    margin: 0;
    font-size: 1.2em;
    color: var(--primary-color);
}

.header-actions {
    display: flex;
    gap: 8px;
}

/* Header Buttons */
.header-btn {
    background-color: var(--border-color);
    border: 1px solid var(--border-color);
    color: var(--text-color);
    cursor: pointer;
    padding: 8px 12px;
    border-radius: 4px;
    font-size: 1.1em;
    line-height: 1;
    transition:
        background-color 0.2s,
        color 0.2s;
}

.header-btn:hover {
    background-color: var(--primary-hover);
    border-color: var(--primary-hover);
    color: white;
}

/* Input Row Combined */
.input-row-combined {
    display: flex;
    gap: 5px;
    align-items: stretch;
}

.input-row-combined input {
    flex: 1;
    min-width: 0;
}

.input-row-combined button {
    flex-shrink: 0;
    padding: 8px 12px;
}

.control-group {
    display: flex;
    flex-direction: column;
    gap: 5px;
}

.control-group label {
    font-weight: 600;
    font-size: 1em;
}

/* Quick Settings Layout */
.quick-settings-controls {
    display: grid;
    grid-template-columns: 1fr auto auto;
    gap: 5px;
}

/* Action Buttons Layout */
.action-buttons {
    display: grid;
    grid-template-columns: 1fr;
    gap: 5px;
    margin-top: 10px;
}

/* Unified Button Styles */
button {
    background-color: var(--border-color);
    color: var(--text-color);
    border: 1px solid var(--border-color);
    padding: 10px;
    border-radius: 4px;
    cursor: pointer;
    font-size: 1em;
    font-weight: 600;
    transition: all 0.2s;
}

button:hover:not(:disabled),
button.active,
.primary-btn:hover:not(:disabled),
.primary-btn.active {
    background-color: var(--primary-color);
    color: white;
    border-color: var(--primary-color);
}

.primary-btn {
    background-color: var(--border-color);
    color: var(--text-color);
    border: 1px solid var(--border-color);
}

button:disabled {
    background-color: #555 !important;
    color: #aaa !important;
    cursor: not-allowed !important;
}

/* --- Focus Styles for Accessibility --- */
:focus-visible {
    outline: 3px solid var(--primary-color);
    outline-offset: 2px;
}

/* Ensure headings/divs that are focusable also show the style */
h1:focus-visible,
h3:focus-visible,
.dropzone:focus-visible {
    border-radius: 4px;
}

/* Form Elements */
input[type="text"],
input[type="password"],
input[type="number"],
textarea,
select {
    width: 100%;
    background-color: var(--input-bg);
    color: var(--input-text);
    border: 1px solid var(--border-color);
    border-radius: 4px;
    padding: 8px;
    font-size: 1em;
    box-sizing: border-box;
    flex: 1;
}

/* --- Dropzone (OCR) --- */
.dropzone {
    border: 2px dashed var(--border-color);
    border-radius: 8px;
    padding: 20px;
    text-align: center;
    cursor: pointer;
    background: rgba(128, 128, 128, 0.05);
    transition: border-color 0.2s;
}

.dropzone:hover {
    border-color: var(--primary-color);
}

.dropzone.compact {
    padding: 10px;
    font-size: 0.9em;
}

/* --- Preview Panels --- */
.preview-panel {
    background-color: var(--secondary-color);
    border: 1px solid var(--border-color);
    border-radius: 8px;
    overflow: hidden;
    padding: 15px;
    box-sizing: border-box;
    display: flex;
    flex-direction: column;
    flex: 1;
    min-height: 0;
    position: relative;
}

.preview-panel-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    border-bottom: 1px solid var(--border-color);
    padding-bottom: 10px;
    margin-bottom: 10px;
    min-height: 35px;
}

.preview-panel-header h3 {
    margin: 0;
    font-size: 1em;
    color: var(--primary-color);
}

/* Editors */
.result-editor {
    flex: 1;
    border: 1px solid var(--border-color);
    border-radius: 4px;
    padding: 10px;
    overflow-y: auto;
    background-color: var(--input-bg);
    color: var(--text-color);
    outline: none;
}

/* --- Log Area --- */
.log-area {
    background-color: var(--log-bg);
    color: var(--text-color);
    border: 1px solid var(--border-color);
    border-radius: 8px;
    padding: 10px;
    height: 120px;
    flex-shrink: 0;
    overflow-y: auto;
    font-family: "Courier New", Courier, monospace;
    font-size: 0.9em;
    white-space: pre-wrap;
}

.log-entry {
    margin-bottom: 4px;
}

.log-time {
    opacity: 0.6;
    margin-right: 8px;
}

.log-success {
    color: #4caf50;
}

.log-error {
    color: var(--primary-color);
}

/* --- Structure Specific Stile --- */
.structure-row {
    display: flex;
    align-items: center;
    margin-bottom: 5px;
    padding: 5px;
    background: rgba(128, 128, 128, 0.1);
    border-radius: 4px;
    gap: 8px;
}

.row-controls {
    display: flex;
    gap: 4px;
}

.row-controls button {
    padding: 2px 6px;
    font-size: 0.8em;
}

.row-content {
    flex: 1;
    outline: none;
}

/* --- Structure Ebenen Styling --- */
[data-level="1"] .row-content {
    font-weight: bold;
    font-size: 1.15em;
    margin-left: 0;
}

[data-level="2"] .row-content {
    font-weight: bold;
    font-size: 1.15em;
    margin-left: 10px;
}

[data-level="3"] .row-content {
    font-weight: bold;
    font-size: 1.05em;
    margin-left: 20px;
}

[data-level="4"] .row-content {
    font-weight: normal;
    font-size: 1em;
    margin-left: 30px;
}

[data-level="5"] .row-content {
    font-weight: normal;
    font-size: 0.95em;
    margin-left: 40px;
}

[data-level="6"] .row-content {
    font-weight: normal;
    font-size: 0.9em;
    margin-left: 50px;
}

/* --- Modal --- */
.modal {
    position: fixed;
    top: 0;
    left: 0;
    width: 100vw;
    height: 100vh;
    z-index: 1000;
    display: none;
    justify-content: center;
    align-items: center;
}

.modal.open {
    display: flex;
}

.modal-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.7);
    backdrop-filter: blur(2px);
}

.modal-content {
    position: relative;
    background: var(--bg-color);
    border: 1px solid var(--border-color);
    padding: 20px;
    border-radius: 8px;
    width: 600px;
    max-width: 90vw;
    max-height: 90vh;
    overflow-y: auto;
    color: var(--text-color);
}

.modal-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 20px;
    border-bottom: 1px solid var(--border-color);
    padding-bottom: 10px;
}

/* --- Profile Management Styles --- */
.profile-header {
    display: flex;
    gap: 10px;
    margin-bottom: 20px;
    align-items: center;
}

.profile-select-wrapper {
    flex: 1;
}

/* --- Toggle Switch --- */
.switch-group {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 20px;
    padding: 10px 0;
    border-top: 1px solid var(--border-color);
}

.switch {
    position: relative;
    display: inline-block;
    width: 50px;
    height: 24px;
}

.switch input {
    opacity: 0;
    width: 0;
    height: 0;
}

.slider {
    position: absolute;
    cursor: pointer;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background-color: #ccc;
    transition: .4s;
    border-radius: 24px;
}

.slider:before {
    position: absolute;
    content: "";
    height: 18px;
    width: 18px;
    left: 3px;
    bottom: 3px;
    background-color: white;
    transition: .4s;
    border-radius: 50%;
}

input:checked+.slider {
    background-color: var(--primary-color);
}

input:checked+.slider:before {
    transform: translateX(26px);
}

/* --- Accordion Styles --- */
.accordion {
    border: 1px solid var(--border-color);
    border-radius: 4px;
    margin-bottom: 10px;
    overflow: hidden;
}

.accordion-header {
    background-color: var(--input-bg);
    padding: 12px 15px;
    cursor: pointer;
    display: flex;
    justify-content: space-between;
    align-items: center;
    font-weight: bold;
    user-select: none;
    transition: background-color 0.2s;
}

.accordion-header:hover {
    background-color: var(--secondary-color);
}

.accordion-header .icon {
    font-size: 1.2em;
    transition: transform 0.3s;
}

.accordion.open .accordion-header .icon {
    content: "-";
}

.accordion-content {
    display: none;
    padding: 15px;
    border-top: 1px solid var(--border-color);
    background-color: var(--bg-color);
}

.accordion.open .accordion-content {
    display: block;
}

.close-btn {
    background: none;
    border: none;
    color: var(--text-color);
    font-size: 1.5em;
    cursor: pointer;
}

/* --- Form Stile --- */
fieldset {
    border: 1px solid var(--border-color);
    border-radius: 4px;
    margin-bottom: 20px;
    padding: 15px;
}

legend {
    padding: 0 10px;
    font-weight: bold;
    color: var(--primary-color);
}

.form-group {
    margin-bottom: 15px;
}

.form-group label {
    display: block;
    margin-bottom: 5px;
    font-weight: 600;
}

.form-actions {
    display: flex;
    justify-content: flex-end;
    gap: 10px;
    margin-top: 20px;
}

.hidden {
    display: none;
}

/* Scrollbars */
::-webkit-scrollbar {
    width: 8px;
}

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

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

::-webkit-scrollbar-thumb:hover {
    background: #666;
}

/* --- Responsive Stile --- */
@media (max-width: 1024px) {

    html,
    body {
        height: auto;
        overflow: auto;
    }

    .container {
        grid-template-columns: 1fr;
        height: auto;
        overflow: visible;
        padding: 5px;
    }

    .main-content {
        height: auto;
        overflow: visible;
    }

    .preview-area {
        flex-direction: column;
        height: auto;
    }

    .preview-panel {
        min-height: 400px;
    }

    .controls {
        max-height: none;
        overflow-y: visible;
    }
}

@media (max-width: 768px) {
    .container {
        padding: 5px;
    }

    .header-row h1 {
        font-size: 1em;
    }
}

/* --- AI Warning Box --- */
.ai-warning {
    background-color: #fef2f2;
    border: 1px solid #ef4444;
    color: #b91c1c;
    padding: 10px;
    border-radius: 4px;
    margin-bottom: 5px;
    font-size: 0.9em;
    display: flex;
    align-items: center;
    gap: 8px;
}

[data-theme="dark"] .ai-warning {
    background-color: rgba(239, 68, 68, 0.1);
    border-color: #ef4444;
    color: #fca5a5;
}

/* --- Disclaimer Styling --- */
.disclaimer {
    font-size: 0.75rem;
    /* noticeably smaller */
    color: var(--secondary-text-color, #777);
    text-align: right;
    margin-top: 4px;
    margin-bottom: 4px;
    width: 100%;
}

/* --- Preprocessing Tabs --- */
.tab-nav {
    display: flex;
    border-bottom: 1px solid var(--border-color);
    margin-bottom: 15px;
    padding-left: 5px;
}

.tab-btn {
    padding: 8px 16px;
    border: 1px solid transparent;
    border-bottom: none;
    background: transparent;
    cursor: pointer;
    font-weight: 500;
    color: var(--text-color);
    opacity: 0.7;
    margin-right: 2px;
    border-radius: 4px 4px 0 0;
    transition: all 0.2s ease;
    margin-bottom: -1px;
}

.tab-btn:hover {
    background-color: rgba(127, 127, 127, 0.1);
    opacity: 1;
}

.tab-btn.active {
    background-color: var(--input-bg);
    border: 1px solid var(--border-color);
    border-bottom: 1px solid var(--input-bg);
    color: var(--text-color);
    opacity: 1;
    font-weight: 600;
    z-index: 10;
}

.tab-content {
    display: none;
}

.tab-content.active {
    display: block;
}

#preprocess-preview {
    width: 100%;
    height: 400px;
    overflow-y: auto;
    border: 1px solid var(--border-color);
    border-radius: 4px;
    padding: 15px;
    background-color: var(--input-bg);
    color: var(--input-text);
    font-family: 'Calibri', 'Arial', sans-serif;
    line-height: 1.5;
}

#preprocess-preview h1 {
    font-size: 1.8em;
    border-bottom: 1px solid var(--border-color);
    padding-bottom: 0.3em;
    color: var(--text-color);
}

#preprocess-preview h2 {
    font-size: 1.5em;
    margin-top: 1em;
    color: var(--text-color);
}

#preprocess-preview h3 {
    font-size: 1.3em;
    margin-top: 1em;
    color: var(--text-color);
}

[data-theme="dark"] #preprocess-preview {
    background-color: #333;
    color: #eee;
}