/* style.css */

:root {
    --primary-color: #4A90E2; /* Trustworthy Blue */
    --secondary-color: #50E3C2; /* Energetic Teal */
    --background-color: #f4f7f6;
    --card-background: #ffffff;
    --text-color: #333;
    --muted-text-color: #777;
    --border-color: #ddd;
    --input-background: #ffffff;
    --input-border-color: #ccc;
    --toggle-background: #ffffff;
    --toggle-text-color: #1f2937;
    --reset-background: #ccc;
    --reset-hover-background: #999;
    --shadow-color: rgba(0, 0, 0, 0.1);
}

body[data-theme="dark"] {
    --primary-color: #7cc6ff;
    --secondary-color: #59e1c4;
    --background-color: #111827;
    --card-background: #1f2937;
    --text-color: #f3f4f6;
    --muted-text-color: #cbd5e1;
    --border-color: #334155;
    --input-background: #0f172a;
    --input-border-color: #475569;
    --toggle-background: #0f172a;
    --toggle-text-color: #f8fafc;
    --reset-background: #475569;
    --reset-hover-background: #64748b;
    --shadow-color: rgba(15, 23, 42, 0.45);
}

body {
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
    background-color: var(--background-color);
    color: var(--text-color);
    line-height: 1.6;
    margin: 0;
    padding: 20px;
    transition: background-color 0.25s ease, color 0.25s ease;
}

header {
    text-align: center;
    margin-bottom: 40px;
}

.header-controls {
    display: flex;
    justify-content: flex-end;
    max-width: 900px;
    margin: 0 auto 16px;
}

.brand-kicker {
    display: inline-block;
    margin: 0 0 10px;
    padding: 6px 12px;
    border-radius: 999px;
    background-color: rgba(74, 144, 226, 0.12);
    color: var(--primary-color);
    font-size: 0.85rem;
    font-weight: 700;
    letter-spacing: 0.08em;
    text-transform: uppercase;
}

.branding h1 {
    color: var(--primary-color);
    margin: 0;
    font-size: clamp(2rem, 4vw, 3.2rem);
}

.branding p {
    color: var(--muted-text-color);
    margin: 10px auto 0;
    max-width: 640px;
}

main {
    display: grid;
    grid-template-columns: 1fr;
    gap: 20px;
    max-width: 900px;
    margin: 0 auto;
}

.card {
    background-color: var(--card-background);
    border-radius: 12px;
    padding: 25px;
    box-shadow: 0 4px 12px var(--shadow-color);
    transition: transform 0.2s, background-color 0.25s ease, box-shadow 0.25s ease;
}

.card:hover {
    transform: translateY(-5px);
}

.input-card h2, .result-card h2, .quest-card h2 {
    color: var(--primary-color);
    margin-top: 0;
    border-bottom: 2px solid var(--secondary-color);
    padding-bottom: 10px;
}

fieldset {
    border: 1px solid var(--border-color);
    border-radius: 8px;
    padding: 15px;
    margin-bottom: 20px;
}

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

input, select, textarea {
    width: 100%;
    padding: 10px;
    margin-bottom: 10px;
    border: 1px solid var(--input-border-color);
    border-radius: 4px;
    background-color: var(--input-background);
    color: var(--text-color);
    box-sizing: border-box; /* Important for padding and width */
}

input::placeholder, textarea::placeholder {
    color: var(--muted-text-color);
}

.form-buttons {
    text-align: center;
}

button {
    background-color: var(--primary-color);
    color: white;
    border: none;
    padding: 12px 25px;
    border-radius: 25px;
    cursor: pointer;
    font-size: 1em;
    transition: background-color 0.3s, box-shadow 0.3s;
    margin: 5px;
}

button:hover {
    background-color: #357ABD;
    box-shadow: 0 2px 8px rgba(0,0,0,0.2);
}

button.theme-toggle {
    background-color: var(--toggle-background);
    color: var(--toggle-text-color);
    border: 1px solid var(--border-color);
    box-shadow: none;
}

button.theme-toggle:hover {
    background-color: var(--primary-color);
    color: #ffffff;
}

button[type="reset"] {
    background-color: var(--reset-background);
}

button[type="reset"]:hover {
    background-color: var(--reset-hover-background);
}

#score-display {
    text-align: center;
    margin: 20px 0;
}

.score {
    font-size: 4em;
    font-weight: bold;
    color: var(--secondary-color);
    margin: 0;
}

.grade {
    font-size: 2em;
    font-weight: bold;
    color: var(--primary-color);
    margin: 0;
}

#score-details, #feedback, #quest-display {
    text-align: center;
}

#quest-display ul {
    margin: 16px 0 0;
    padding-left: 20px;
    text-align: left;
}

#quest-display li {
    margin-bottom: 8px;
}

/* Responsive Design */
@media (min-width: 768px) {
    main {
        grid-template-columns: repeat(2, 1fr);
    }
    .input-card {
        grid-column: 1 / 2;
        grid-row: 1 / 3;
    }
    .result-card {
        grid-column: 2 / 3;
    }
    .quest-card {
        grid-column: 2 / 3;
    }
}