/* Reset & Variables */
:root {
    --bg-color: #ffffff;
    --text-color: #111111;
    --sub-color: #666666;
    --accent-color: #000000;
    --border-color: #e5e5e5;
    --font-serif: "Iowan Old Style", "Apple Garamond", "Baskerville", "Times New Roman", "Droid Serif", Times, "Source Serif Pro", serif, "Apple Color Emoji", "Segoe UI Emoji", "Segoe UI Symbol";
    --font-sans: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
}

[data-theme="dark"] {
    --bg-color: #111111;
    --text-color: #f0f0f0;
    --sub-color: #888888;
    --accent-color: #ffffff;
    --border-color: #333333;
}

body {
    background-color: var(--bg-color);
    color: var(--text-color);
    font-family: var(--font-sans);
    margin: 0;
    padding: 0;
    height: 100vh;
    display: flex;
    flex-direction: column;
    overflow: hidden;
    transition: background-color 0.4s ease, color 0.4s ease;
}

/* Header / Navigation */
.header {
    width: 100%;
    padding: 2rem;
    box-sizing: border-box;
    display: flex;
    justify-content: space-between;
    align-items: center;
    position: absolute;
    top: 0;
    left: 0;
    z-index: 10;
}

.brand {
    font-weight: 600;
    font-size: 0.9rem;
    letter-spacing: -0.01em;
    color: var(--text-color);
    text-decoration: none;
    opacity: 0.8;
}

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

/* Main Content Area */
.main-stage {
    flex: 1;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    padding: 2rem;
    text-align: center;
    cursor: pointer; /* Indicates clickable area */
    position: relative;
}

/* Typography Focus */
.quote-container {
    max-width: 900px;
    width: 100%;
}

.quote-text {
    font-family: var(--font-serif);
    font-size: clamp(2.5rem, 6vw, 5rem); /* Responsive sizing */
    font-weight: 400;
    line-height: 1.1;
    margin: 0 0 2rem 0;
    color: var(--text-color);
    letter-spacing: -0.02em;
    transition: opacity 0.3s ease;
}

.quote-author {
    font-family: var(--font-sans);
    font-size: 0.85rem;
    text-transform: uppercase;
    letter-spacing: 0.15em;
    color: var(--sub-color);
    margin: 0;
}

.quote-meta {
    margin-top: 1rem;
    display: inline-block;
}

.category-badge {
    font-size: 0.75rem;
    color: var(--sub-color);
    border: 1px solid var(--border-color);
    padding: 4px 10px;
    border-radius: 100px;
    opacity: 0.6;
}

/* Interactive Elements */
.select-wrapper {
    position: relative;
}

.category-select {
    appearance: none;
    background: transparent;
    border: none;
    color: var(--text-color);
    font-family: var(--font-sans);
    font-size: 0.9rem;
    padding-right: 1.2rem;
    cursor: pointer;
    opacity: 0.7;
    transition: opacity 0.2s;
}

.category-select:hover {
    opacity: 1;
}

.theme-btn {
    background: transparent;
    border: none;
    color: var(--text-color);
    cursor: pointer;
    padding: 5px;
    opacity: 0.7;
    transition: opacity 0.2s;
    display: flex;
    align-items: center;
}

.theme-btn:hover {
    opacity: 1;
}

/* Footer */
.footer {
    position: absolute;
    bottom: 2rem;
    left: 0;
    width: 100%;
    text-align: center;
    font-size: 0.75rem;
    color: var(--sub-color);
    pointer-events: none;
}

.footer a {
    color: var(--text-color);
    text-decoration: none;
    pointer-events: auto;
    margin: 0 10px;
    opacity: 0.5;
    transition: opacity 0.2s;
}

.footer a:hover {
    opacity: 1;
}

.hint {
    margin-bottom: 0.5rem;
    font-size: 0.7rem;
    opacity: 0.4;
    letter-spacing: 0.05em;
}

/* Animation */
.fade-in {
    animation: fadeInUp 0.5s cubic-bezier(0.16, 1, 0.3, 1);
}

@keyframes fadeInUp {
    from { 
        opacity: 0; 
        transform: translateY(10px); 
    }
    to { 
        opacity: 1; 
        transform: translateY(0); 
    }
}

/* Mobile Tweaks */
@media (max-width: 600px) {
    .header { padding: 1.5rem; }
    .quote-text { font-size: 2.2rem; }
}