/* ==========================================================================
   Global Styles & New Theme
   ========================================================================== */
:root {
    --primary-purple: #46178F;
    --brand-pink: #dd2c73;
    --light-bg: #fdfcff;
    --text-dark: #333;
    --text-light: #f9f9f9;
    --white: #fff;
    --border-color: #e0e0e0;
    --shadow-color: rgba(0, 0, 0, 0.1);
    --accent-green: #26890C;
    --accent-blue: #1368CE;
    --accent-red: #E21B3C;
    --accent-yellow: #FFB800;
    --accent-gray: #555;
}
* { box-sizing: border-box; margin: 0; padding: 0; }
body { font-family: 'Montserrat', sans-serif; color: var(--text-dark); background-color: var(--primary-purple); -webkit-font-smoothing: antialiased; -moz-osx-font-smoothing: grayscale; }
main { width: 100%; max-width: 1100px; margin: 0 auto; padding: 2rem; }
h1, h2 { font-weight: 800; }
p { line-height: 1.6; color: #555; }
.page { display: none; }
.page.active { display: block; animation: fadeIn 0.5s ease-in-out; }
@keyframes fadeIn { from { opacity: 0; transform: translateY(10px); } to { opacity: 1; transform: translateY(0); } }

/* ==========================================================================
   Homepage Header & Navigation
   ========================================================================== */
#main-header { background: var(--primary-purple); color: var(--text-light); padding: 1rem 2rem; }
#main-header nav { display: flex; justify-content: center; align-items: center; max-width: 1100px; margin: 0 auto; }
.logo { font-size: 1.5rem; /* This is the base size, e.g., 24px */ }
/* NEW: Styles for the new logo structure */
.logo .quiz-whiz-text {
    font-size: 1.25em; /* Makes "QuizWhiz" larger (e.g., 30px) */
    font-weight: 800;
    vertical-align: middle;
}
.logo em {
    font-size: 0.5em; /* Makes "by NeuroLabs" smaller (e.g., 12px) */
    font-weight: 400; /* Lighter font weight */
    font-style: italic;
    margin-left: 0.5em;
    vertical-align: middle;
    opacity: 0.8;
}

/* ==========================================================================
   Button System (Unified)
   ========================================================================== */
.btn { font-family: 'Montserrat', sans-serif; font-size: 1rem; font-weight: 700; padding: 0.8rem 2rem; border-radius: 50px; border: 2px solid transparent; cursor: pointer; text-align: center; transition: all 0.2s ease-in-out; }
.btn-primary { background-color: var(--brand-pink); color: var(--white); border-color: var(--brand-pink); }
.btn-primary:hover { transform: translateY(-2px); box-shadow: 0 4px 10px rgba(221, 44, 115, 0.4); }
.btn-secondary { background-color: transparent; border-color: var(--primary-purple); color: var(--primary-purple); }
.btn-secondary:hover { background-color: var(--primary-purple); color: var(--white); }
.btn-danger { background-color: var(--accent-red); color: var(--white); border-color: var(--accent-red); }

/* ==========================================================================
   Homepage Hero Section
   ========================================================================== */
#home-page .hero-content { text-align: center; color: var(--text-light); padding: 4rem 1rem; }
#home-page h1 { font-size: 3.5rem; margin-bottom: 1rem; }
#home-page p { font-size: 1.2rem; max-width: 600px; margin: 0 auto 2rem auto; color: rgba(255,255,255,0.8); }
.role-selection { display: flex; justify-content: center; gap: 1rem; }
#home-page .role-selection .btn-primary { background-color: var(--brand-pink); border-color: var(--brand-pink); color: var(--white); }
#home-page .role-selection .btn-secondary { background-color: transparent; border-color: var(--white); color: var(--white); }
#home-page .role-selection .btn-secondary:hover { background-color: var(--white); color: var(--primary-purple); }

/* ==========================================================================
   Modals (Login, Import, Student List)
   ========================================================================== */
.modal-overlay { position: fixed; top: 0; left: 0; width: 100%; height: 100%; background: rgba(0,0,0,0.6); display: none; justify-content: center; align-items: center; z-index: 1000; }
.modal-content { background: var(--white); padding: 2.5rem; border-radius: 12px; width: 90%; max-width: 550px; position: relative; box-shadow: 0 10px 30px rgba(0,0,0,0.2); }
.modal-subtitle { font-size: 0.9rem; color: #777; margin: -1rem 0 1.5rem 0; text-align: center; line-height: 1.4; }
.close-btn { position: absolute; top: 10px; right: 15px; background: none; border: none; font-size: 2rem; cursor: pointer; color: #aaa; }
.modal-content input, .modal-content select { width: 100%; padding: 0.8rem; border: 1px solid var(--border-color); border-radius: 8px; font-size: 1rem; }
.modal-content form label { display: block; margin-bottom: 0.5rem; font-weight: 700; }
.modal-content form .btn { width: 100%; margin-top: 1.5rem; }
.form-row { display: flex; flex-wrap: wrap; gap: 1rem; margin-bottom: 1rem; }
.form-group { flex: 1; min-width: 200px; }
#import-students-form input[type="file"] { border: 2px dashed var(--border-color); padding: 1rem; background-color: #fafafa; }

/* ==========================================================================
   Dashboard & Content Pages
   ========================================================================== */
.page:not(#home-page) { background-color: var(--light-bg); padding: 2rem; border-radius: 12px; }
.page-header { display: flex; justify-content: space-between; align-items: center; margin-bottom: 2rem; padding-bottom: 1rem; border-bottom: 2px solid var(--border-color); }
.page-header h1 { font-size: 2rem; color: var(--primary-purple); text-align: left; }
.full-width-btn { width: 100%; max-width: 400px; margin: 0 auto 2rem auto; display: block; }
h2 { color: var(--primary-purple); margin-top: 2rem; margin-bottom: 1.5rem; text-align: center; }
.dashboard-controls { display: flex; flex-wrap: wrap; justify-content: center; align-items: flex-end; gap: 2rem; margin-bottom: 2rem; padding: 1.5rem; background: #f0ebf8; border-radius: 8px; }
.control-group { display: flex; flex-direction: column; gap: 0.5rem; }
.control-group label { font-weight: 700; text-align: left; }
.control-group select { padding: 0.5rem; border-radius: 6px; border: 1px solid var(--border-color); font-size: 1rem; min-width: 200px; height: calc(1.6rem + 1.2rem + 4px); }
.dropdown .btn.dropdown-toggle { padding: 0.6rem 1.5rem; border-radius: 6px; }
.dropdown { position: relative; display: inline-block; }
.dropdown-menu { display: none; position: absolute; background-color: var(--white); min-width: 180px; box-shadow: 0px 8px 16px 0px rgba(0,0,0,0.2); z-index: 1; border-radius: 8px; padding: 0.5rem 0; }
.dropdown-menu.show { display: block; }
.dropdown-menu a { color: black; padding: 12px 16px; text-decoration: none; display: block; font-weight: 700; }
.dropdown-menu a:hover { background-color: #f1f1f1; }

.quiz-list-container { display: flex; flex-direction: column; gap: 1.5rem; }
.quiz-card { background-color: var(--white); padding: 1.5rem; border-radius: 8px; box-shadow: 0 4px 10px var(--shadow-color); border-top: 4px solid var(--primary-purple); }
.quiz-card h3 { color: var(--primary-purple); }
.quiz-card-actions { margin-top: 1rem; display: flex; gap: 0.5rem; }
.quiz-card-actions button { width: 100%; padding: 0.5rem; font-size: 0.9rem; border-radius: 8px; font-weight: 700; border: none; cursor: pointer; }
.start-session-btn, .student-retake-btn { background-color: var(--accent-green); color: var(--white); }
.edit-quiz-btn, .student-view-details-btn { background-color: var(--accent-blue); color: var(--white); }
.view-results-btn { background-color: var(--accent-gray); color: var(--white); }

/* ==========================================================================
   Quiz Creator & Game Image Styles
   ========================================================================== */
#quiz-creator-form { display: flex; flex-direction: column; gap: 2rem; }
#quiz-creator-form input, #quiz-creator-form select { width: 100%; padding: 0.8rem; border: 1px solid var(--border-color); border-radius: 8px; font-size: 1rem; }
.quiz-meta-inputs { display: flex; flex-direction: column; gap: 0.5rem; }
.question-block { background: #f8f6fc; padding: 1.5rem; border-radius: 8px; border-left: 5px solid var(--primary-purple); display: grid; grid-template-columns: 1fr 1fr; gap: 1rem 1.5rem; grid-template-areas: "header header" "qtext qtext" "img-input img-input" "img-preview img-preview" "opt1 opt2" "opt3 opt4" "c-ans c-ans"; }
.question-block h4 { grid-area: header; margin-bottom: 0; }
.question-text-input { grid-area: qtext; }
.image-url-input { grid-area: img-input; }
.question-image-preview-container { grid-area: img-preview; display: none; margin: 0.5rem 0; }
.question-image-preview { max-width: 100%; max-height: 200px; border-radius: 8px; object-fit: contain; margin: auto; }
.question-block .option-input:nth-child(5) { grid-area: opt1; }
.question-block .option-input:nth-child(6) { grid-area: opt2; }
.question-block .option-input:nth-child(7) { grid-area: opt3; }
.question-block .option-input:nth-child(8) { grid-area: opt4; }
.correct-answer-select { grid-area: c-ans; }
.question-image-display { width: 100%; height: 250px; margin-bottom: 1.5rem; display: flex; justify-content: center; align-items: center; }
.question-image-display img { max-width: 100%; max-height: 100%; border-radius: 8px; object-fit: contain; }

.pin-display { font-size: 3.5rem; font-weight: bold; color: var(--white); background-color: var(--text-dark); padding: 2rem; border-radius: 8px; margin: 1rem auto 2rem; text-align: center; letter-spacing: 0.5rem; }
.answer-grid { display: grid; grid-template-columns: 1fr 1fr; grid-template-rows: 1fr 1fr; gap: 1rem; min-height: 60vh; }
.answer-btn, .practice-answer-btn { font-size: 1.5rem; font-weight: bold; color: white; border: none; width: 100%; height: 100%; margin: 0; }
.answer-btn[data-answer="0"], .practice-answer-btn[data-answer="0"] { background-color: var(--accent-red); }
.answer-btn[data-answer="1"], .practice-answer-btn[data-answer="1"] { background-color: var(--accent-blue); }
.answer-btn[data-answer="2"], .practice-answer-btn[data-answer="2"] { background-color: var(--accent-yellow); }
.answer-btn[data-answer="3"], .practice-answer-btn[data-answer="3"] { background-color: var(--accent-green); }
.page-header .back-btn { width: auto; padding: 0.6rem 1rem; border-radius: 50px; background: none; color: var(--text-dark); border: 1px solid var(--border-color); }