/* === BASE VARIABLES === */
:root {
    --bg-color: #121212;
    --text-color: #e0e0e0;
    --accent-color: #ff3333;
    --secondary-color: #444;
    --font-main: 'Courier New', monospace;
    --border-style: 2px solid var(--accent-color);
}

/* === DAD MODE OVERRIDES === */
body.dad-mode {
    --bg-color: #f0f8ff;
    --text-color: #2c3e50;
    --accent-color: #ff6b6b;
    --secondary-color: #a8d8ea;
    --font-main: 'Comic Sans MS', 'Chalkboard SE', sans-serif;
    --border-style: 3px dashed var(--accent-color);
}

/* === RESET & BASE === */
* { box-sizing: border-box; transition: all 0.3s ease; }

body {
    background-color: var(--bg-color);
    color: var(--text-color);
    font-family: var(--font-main);
    margin: 0;
    padding: 20px;
    line-height: 1.6;
}

/* === HEADER === */
header {
    text-align: center;
    border-bottom: var(--border-style);
    padding-bottom: 20px;
    margin-bottom: 30px;
}

h1 { font-size: 2.5rem; margin: 0; text-transform: uppercase; letter-spacing: 2px; }
h2 { color: var(--accent-color); border-left: 4px solid var(--accent-color); padding-left: 10px; margin-top: 30px; }
h3 { color: var(--accent-color); margin-top: 20px; }

/* === TOGGLE BUTTON === */
.mode-toggle {
    position: fixed;
    top: 20px;
    right: 20px;
    z-index: 1000;
    background: var(--bg-color);
    border: var(--border-style);
    padding: 10px 15px;
    cursor: pointer;
    font-weight: bold;
    color: var(--accent-color);
    box-shadow: 0 4px 6px rgba(0,0,0,0.3);
    font-family: var(--font-main);
}
.mode-toggle:hover { transform: scale(1.05); }

/* === LAYOUT === */
.container { max-width: 800px; margin: 0 auto; }
.section { margin-bottom: 40px; padding: 20px; border: 1px solid var(--secondary-color); border-radius: 8px; }

/* === DAD-ONLY CONTENT === */
.dad-only { display: none; }
body.dad-mode .dad-only { display: block; }
body:not(.dad-mode) .dad-only { display: none; }

/* === FORMS === */
form { display: flex; flex-direction: column; gap: 15px; }
label { font-weight: bold; }
input, textarea {
    padding: 10px;
    border: 1px solid var(--secondary-color);
    border-radius: 4px;
    background: var(--bg-color);
    color: var(--text-color);
    font-family: inherit;
}
button[type="submit"] {
    padding: 12px;
    background: var(--accent-color);
    color: var(--bg-color);
    border: none;
    font-weight: bold;
    cursor: pointer;
    text-transform: uppercase;
    letter-spacing: 1px;
}
button[type="submit"]:hover { opacity: 0.9; }

/* === LINKS === */
a { color: var(--accent-color); text-decoration: none; }
a:hover { text-decoration: underline; }

/* === FOOTER === */
footer { text-align: center; margin-top: 50px; font-size: 0.8rem; opacity: 0.7; }

/* === NAVIGATION === */
nav {
    text-align: center;
    margin-bottom: 30px;
}
nav a {
    margin: 0 15px;
    font-weight: bold;
    color: var(--accent-color);
}
nav a:hover { text-decoration: underline; }