:root {
    --bg-color: #fdfdfc;
    --text-color: #111111;
    --menu-bg: rgba(255, 255, 255, 0.95);
    --menu-border: #e0e0e0;
    --font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
    --font-size: 18px;
    --line-height: 1.6;
}

[data-theme="dark"] {
    --bg-color: #1a1a1a;
    --text-color: #e0e0e0;
    --menu-bg: rgba(30, 30, 30, 0.95);
    --menu-border: #333333;
}

[data-theme="oled"] {
    --bg-color: #000000;
    --text-color: #cccccc;
    --menu-bg: rgba(10, 10, 10, 0.95);
    --menu-border: #222222;
}

html, body {
    overscroll-behavior-y: none; 
    scroll-behavior: smooth;
}

body {
    background-color: var(--bg-color);
    color: var(--text-color);
    font-family: var(--font-family);
    font-size: var(--font-size);
    line-height: var(--line-height);
    margin: 0;
    padding: 0;
    transition: background-color 0.3s, color 0.3s;
    overflow-x: hidden;
}

/* --- View Management --- */
.view { display: none; }
.view.active { display: block; }

/* --- Login Scherm Stijlen --- */
.login-container {
    max-width: 400px;
    margin: 100px auto;
    padding: 30px;
    text-align: center;
    background: var(--menu-bg);
    border: 1px solid var(--menu-border);
    border-radius: 12px;
    box-shadow: 0 10px 30px rgba(0,0,0,0.1);
}
.login-container h1 { margin-top: 0; }
.login-container input {
    width: 100%; box-sizing: border-box;
    padding: 12px; margin: 20px 0;
    border: 1px solid var(--menu-border);
    border-radius: 8px; background: var(--bg-color);
    color: var(--text-color); font-size: 16px;
}

/* --- Dashboard --- */
.dash-header {
    padding: 20px;
    max-width: 800px;
    margin: 0 auto;
    display: flex;
    justify-content: space-between;
    align-items: center;
    border-bottom: 1px solid var(--menu-border);
}
.dash-header h1 { font-size: 24px; margin: 0; }
.header-actions { display: flex; gap: 10px; }

.upload-btn {
    background: var(--text-color);
    color: var(--bg-color);
    border: none;
    font-weight: bold;
}

#story-list {
    max-width: 800px;
    margin: 20px auto;
    padding: 0 20px;
}

.story-card {
    background: var(--menu-bg);
    border: 1px solid var(--menu-border);
    padding: 15px 20px;
    border-radius: 12px;
    margin-bottom: 15px;
    cursor: pointer;
    transition: transform 0.1s;
}
.story-card:active { transform: scale(0.99); }
.story-card h3 { margin: 0 0 5px 0; font-size: 18px; }
.story-card p { margin: 0; font-size: 12px; opacity: 0.7; }
.loading-text { text-align: center; opacity: 0.6; margin-top: 40px; }

/* --- Reader --- */
#reader-content {
    padding: 40px 20px 80px 20px;
    max-width: 800px;
    margin: 0 auto;
    text-align: left;
    hyphens: auto;
    -webkit-hyphens: auto;
    min-height: 100vh; 
    box-sizing: border-box;
}

#reader-content h1, #reader-content h2 {
    margin-top: 2em; margin-bottom: 0.5em; line-height: 1.2;
}
#reader-content p { margin-top: 0; margin-bottom: 1.5em; }
#reader-content ul, #reader-content ol { margin-bottom: 1.5em; padding-left: 20px; }
#reader-content strong { font-weight: bold; }

#ui-overlay {
    position: fixed; top: 0; left: 0; width: 100%; height: 100%;
    pointer-events: none; z-index: 100; display: flex;
    flex-direction: column; justify-content: space-between;
    opacity: 0; transition: opacity 0.2s ease-in-out;
}
#ui-overlay.active { opacity: 1; pointer-events: auto; }

.menu-bar {
    background-color: var(--menu-bg);
    border-bottom: 1px solid var(--menu-border);
    padding: 15px 20px; display: flex;
    justify-content: space-around; align-items: center;
    backdrop-filter: blur(10px);
}
.menu-bar.bottom { border-bottom: none; border-top: 1px solid var(--menu-border); }

button.ui-btn {
    background: transparent; border: 1px solid var(--text-color);
    color: var(--text-color); padding: 8px 16px;
    border-radius: 20px; font-size: 14px; cursor: pointer; transition: all 0.2s;
}
button.ui-btn.active { background: var(--text-color); color: var(--bg-color); }

/* --- Modals --- */
.modal {
    display: none; position: fixed; top: 0; left: 0; width: 100%; height: 100%;
    background: rgba(0,0,0,0.6); z-index: 200; align-items: center; justify-content: center;
}
.modal.active { display: flex; }

.modal-content {
    background: var(--bg-color); padding: 20px; border-radius: 12px;
    width: 90%; max-width: 400px; border: 1px solid var(--menu-border);
    box-shadow: 0 10px 30px rgba(0,0,0,0.2);
}
.modal-header {
    display: flex; justify-content: space-between; align-items: center; 
    border-bottom: 1px solid var(--menu-border); padding-bottom: 15px; margin-bottom: 15px;
}
.modal-header h2 { margin: 0; font-size: 20px; }

.rule-item {
    display: flex; justify-content: space-between; align-items: center; 
    padding: 10px 0; border-bottom: 1px solid var(--menu-border);
}
.rule-item-text { font-size: 16px; }
.btn-delete-rule { color: #d9534f; border-color: #d9534f; }

.add-rule-form { display: flex; flex-direction: column; gap: 10px; margin-top: 20px; }
.add-rule-form input {
    padding: 12px; border: 1px solid var(--menu-border); border-radius: 8px; 
    background: var(--menu-bg); color: var(--text-color); font-size: 16px;
}

/* --- TOC --- */
.toc-item {
    display: block; padding: 12px 0; border-bottom: 1px solid var(--menu-border);
    color: var(--text-color); text-decoration: none; cursor: pointer;
}
.toc-item.h2 { padding-left: 20px; font-size: 0.9em; opacity: 0.8; }
.toc-item:active { opacity: 0.5; }