/* =========================================
   GENEL DEĞİŞKENLER VE SAYFA YAPISI
   ========================================= */
:root {
    --primary-color: #4F46E5;
    --primary-hover: #4338CA;
    --bg-color: #F3F4F6;
    --card-bg: #FFFFFF;
    --text-main: #1F2937;
    --text-muted: #6B7280;
    --border-color: #E5E7EB;
    --success: #10B981;
    --error: #EF4444;
}

body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    background-color: var(--bg-color);
    color: var(--text-main);
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    min-height: 100vh;
    margin: 0;
    padding: 15px;
    box-sizing: border-box;
}

.page-wrapper {
    width: 100%;
    max-width: 500px;
    display: flex;
    flex-direction: column;
}

/* =========================================
   SORU KARTI VE ŞIKLAR (MİLYONER TARZI)
   ========================================= */
.question-card {
    background-color: var(--card-bg);
    padding: 25px 20px;
    border-radius: 16px;
    box-shadow: 0 10px 25px rgba(0, 0, 0, 0.05);
    text-align: center;
    width: 100%;
    box-sizing: border-box;
}

.question-counter {
    font-size: 0.85rem;
    font-weight: 700;
    color: var(--primary-color);
    text-transform: uppercase;
    margin-bottom: 5px;
    letter-spacing: 1px;
}

.instruction-note {
    font-size: 1.2rem;
    font-weight: 600;
    color: var(--text-main);
    margin-bottom: 20px;
    line-height: 1.4;
}

.choices-container {
    display: flex;
    flex-direction: column;
    gap: 0px; 
    width: 100%;
    margin-bottom: 15px;
    border-radius: 8px;
    overflow: hidden;
    border: 1px solid var(--border-color);
}

.choice-btn {
    width: 100%;
    padding: 15px 20px;
    font-size: 1rem;
    font-weight: 600;
    background-color: #FAFAFA;
    color: var(--text-main);
    border: none;
    border-bottom: 1px solid var(--border-color);
    text-align: left;
    cursor: pointer;
    transition: background 0.2s;
    display: flex;
    align-items: center;
}

.choice-btn:last-child {
    border-bottom: none;
}

.choice-btn:not(:disabled):hover {
    background-color: #ECEFEE;
}

.choice-label {
    font-weight: 800;
    color: var(--primary-color);
    margin-right: 10px;
    min-width: 25px; 
}

.choice-btn.correct-choice .choice-label,
.choice-btn.wrong-choice .choice-label {
    color: white;
}

.choice-btn.correct-choice {
    background-color: var(--success) !important;
    color: white !important;
}

.choice-btn.wrong-choice {
    background-color: var(--error) !important;
    color: white !important;
}

/* =========================================
   DÖNÜT VE ANA BUTONLAR
   ========================================= */
.feedback-area {
    min-height: 24px;
    font-weight: 700;
    margin-bottom: 15px;
    font-size: 1.05rem;
    text-align: center;
}

.feedback-success { color: var(--success); }
.feedback-error { color: var(--error); }

.main-btn {
    width: 100%;
    background-color: var(--primary-color);
    color: white;
    border: none;
    padding: 15px;
    font-size: 1.1rem;
    font-weight: 600;
    border-radius: 8px;
    cursor: pointer;
    box-shadow: 0 4px 0 var(--primary-hover);
    transition: transform 0.1s;
    margin-top: 0px; 
}

.main-btn:active {
    transform: translateY(2px);
    box-shadow: none;
}

.hidden {
    display: none !important;
}

.topic-name {
    font-size: 1.1rem;
    color: var(--text-muted);
    margin-bottom: 5px;
}

.score-text {
    font-size: 1.3rem;
    font-weight: 700;
    color: var(--primary-color);
    margin-bottom: 20px;
}