@import url('https://fonts.googleapis.com/css2?family=Prompt:wght@300;400;500;600;700&display=swap');

:root {
    /* Light Mode Variables */
    --bg-color: #f4f7fb;
    --glass-bg: rgba(255, 255, 255, 0.7);
    --glass-border: rgba(255, 255, 255, 0.5);
    --text-primary: #1d1d1f;
    --text-secondary: #86868b;
    --primary-color: #007AFF;
    --shadow: 0 8px 32px 0 rgba(31, 38, 135, 0.07);
}

[data-theme="dark"] {
    /* Dark Mode Variables */
    --bg-color: #0f0f11;
    --glass-bg: rgba(30, 30, 32, 0.6);
    --glass-border: rgba(255, 255, 255, 0.08);
    --text-primary: #f5f5f7;
    --text-secondary: #a1a1a6;
    --primary-color: #0A84FF;
    --shadow: 0 8px 32px 0 rgba(0, 0, 0, 0.5);
}

* {
    margin: 0; padding: 0; box-sizing: border-box;
    font-family: 'Prompt', sans-serif;
    transition: background-color 0.3s ease, color 0.3s ease;
}

body {
    background-color: var(--bg-color);
    color: var(--text-primary);
    min-height: 100vh;
    background-image: radial-gradient(circle at 15% 50%, rgba(0, 122, 255, 0.08), transparent 25%),
                      radial-gradient(circle at 85% 30%, rgba(255, 45, 85, 0.08), transparent 25%);
}

/* Glassmorphism Panel */
.glass-panel {
    background: var(--glass-bg);
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
    border: 1px solid var(--glass-border);
    border-radius: 24px;
    box-shadow: var(--shadow);
    padding: 2rem;
}

/* Buttons */
.btn {
    padding: 10px 20px;
    border-radius: 12px;
    border: none;
    font-weight: 500;
    cursor: pointer;
    transition: all 0.2s ease;
}
.btn-primary {
    background: linear-gradient(135deg, var(--primary-color), #0056b3);
    color: white;
    box-shadow: 0 4px 14px 0 rgba(0, 122, 255, 0.39);
}
.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(0, 122, 255, 0.4);
}

/* Inputs */
.modern-input {
    width: 100%;
    padding: 12px 16px;
    border-radius: 12px;
    border: 1px solid var(--glass-border);
    background: rgba(255, 255, 255, 0.05);
    color: var(--text-primary);
    margin-bottom: 15px;
    outline: none;
    transition: border-color 0.3s;
}
.modern-input:focus {
    border-color: var(--primary-color);
}

/* Dashboard Layout */
.dashboard-container {
    display: flex;
    height: 100vh;
    overflow: hidden;
}
.sidebar {
    width: 280px;
    padding: 2rem;
    border-right: 1px solid var(--glass-border);
    background: var(--glass-bg);
    backdrop-filter: blur(20px);
}
.main-content {
    flex: 1;
    padding: 2rem;
    overflow-y: auto;
}

/* Question Card */
.question-card {
    background: var(--glass-bg);
    border: 1px solid var(--glass-border);
    border-radius: 16px;
    padding: 20px;
    margin-bottom: 20px;
    position: relative;
    box-shadow: var(--shadow);
}
.ai-badge {
    position: absolute;
    top: -10px; right: 20px;
    background: linear-gradient(45deg, #FF2D55, #FF375F);
    color: white;
    padding: 4px 12px;
    border-radius: 20px;
    font-size: 0.8rem;
    font-weight: bold;
    animation: pulse 2s infinite;
}
@keyframes pulse {
    0% { transform: scale(1); box-shadow: 0 0 0 0 rgba(255, 45, 85, 0.7); }
    70% { transform: scale(1.05); box-shadow: 0 0 0 10px rgba(255, 45, 85, 0); }
    100% { transform: scale(1); }
}
/* แก้ปัญหา Dropdown มองไม่เห็น (ตัวหนังสือขาวบนพื้นขาว) */
select option {
    background-color: #1a1a2e; /* บังคับพื้นหลังให้เป็นสีเทาเข้ม/กรมท่า */
    color: #ffffff; /* บังคับตัวหนังสือให้เป็นสีขาว */
    padding: 10px;
}

/* ปรับแต่งตัว Select ให้ดูเข้ากับธีมมืดมากขึ้น (เผื่อไว้) */
select.modern-input {
    background-color: rgba(0, 0, 0, 0.2);
    color: #ffffff;
}