/* BilgiOkul ÖdevMatik - Public Styles */
.odevmatik-container {
    max-width: 1200px;
    margin: 0 auto;
    font-family: 'Nunito', sans-serif;
}

.odevmatik-header {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
    padding: 2rem;
    text-align: center;
    border-radius: 1rem;
    margin-bottom: 2rem;
}

.odevmatik-class-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 1rem;
    margin-bottom: 2rem;
}

.odevmatik-class-btn {
    background: linear-gradient(135deg, #f093fb 0%, #f5576c 100%);
    color: white;
    border: none;
    padding: 1.5rem;
    border-radius: 1rem;
    cursor: pointer;
    transition: all 0.3s ease;
    text-align: center;
}

.odevmatik-class-btn:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 30px rgba(0,0,0,0.2);
}

.odevmatik-class-btn.active {
    background: linear-gradient(135deg, #4facfe 0%, #00f2fe 100%);
    box-shadow: 0 0 20px rgba(79, 172, 254, 0.5);
}

.odevmatik-class-btn i {
    font-size: 2rem;
    display: block;
    margin-bottom: 0.5rem;
}

.odevmatik-topics-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 0.75rem;
    margin-bottom: 2rem;
}

.odevmatik-topic-btn {
    background: white;
    border: 2px solid #e0e0e0;
    padding: 1rem;
    border-radius: 0.75rem;
    cursor: pointer;
    transition: all 0.3s ease;
    display: flex;
    align-items: center;
    gap: 0.75rem;
}

.odevmatik-topic-btn:hover {
    border-color: #667eea;
    background: #f8f9ff;
}

.odevmatik-topic-btn.active {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
    border-color: transparent;
}

.odevmatik-topic-icon {
    width: 40px;
    height: 40px;
    background: rgba(102, 126, 234, 0.1);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: #667eea;
}

.odevmatik-topic-btn.active .odevmatik-topic-icon {
    background: rgba(255,255,255,0.2);
    color: white;
}

.odevmatik-settings {
    background: white;
    padding: 2rem;
    border-radius: 1rem;
    box-shadow: 0 4px 6px rgba(0,0,0,0.1);
    margin-bottom: 2rem;
}

.odevmatik-difficulty-btn {
    padding: 0.5rem 1rem;
    border: 2px solid;
    border-radius: 0.5rem;
    cursor: pointer;
    transition: all 0.3s;
    font-weight: 600;
}

.odevmatik-difficulty-btn[data-level="easy"] {
    border-color: #28a745;
    color: #28a745;
}

.odevmatik-difficulty-btn[data-level="medium"] {
    border-color: #ffc107;
    color: #ffc107;
}

.odevmatik-difficulty-btn[data-level="hard"] {
    border-color: #dc3545;
    color: #dc3545;
}

.odevmatik-difficulty-btn.active[data-level="easy"] {
    background: #28a745;
    color: white;
}

.odevmatik-difficulty-btn.active[data-level="medium"] {
    background: #ffc107;
    color: white;
}

.odevmatik-difficulty-btn.active[data-level="hard"] {
    background: #dc3545;
    color: white;
}

.odevmatik-generate-btn {
    background: linear-gradient(135deg, #11998e 0%, #38ef7d 100%);
    color: white;
    border: none;
    padding: 1rem 2rem;
    font-size: 1.25rem;
    font-weight: bold;
    border-radius: 0.75rem;
    cursor: pointer;
    transition: all 0.3s;
    animation: pulse 2s infinite;
}

@keyframes pulse {
    0%, 100% { box-shadow: 0 0 0 0 rgba(17, 153, 142, 0.4); }
    50% { box-shadow: 0 0 0 15px rgba(17, 153, 142, 0); }
}

.odevmatik-worksheet {
    background: white;
    padding: 2rem;
    border-radius: 1rem;
    box-shadow: 0 4px 20px rgba(0,0,0,0.1);
}

.odevmatik-worksheet-toolbar {
    display: flex;
    gap: 0.5rem;
    margin-bottom: 1.5rem;
    flex-wrap: wrap;
}

.odevmatik-btn {
    padding: 0.5rem 1rem;
    border: none;
    border-radius: 0.5rem;
    cursor: pointer;
    transition: all 0.3s;
    font-weight: 500;
}

.odevmatik-btn-primary { background: #667eea; color: white; }
.odevmatik-btn-success { background: #28a745; color: white; }
.odevmatik-btn-warning { background: #ffc107; color: #000; }
.odevmatik-btn-danger { background: #dc3545; color: white; }
.odevmatik-btn-secondary { background: #6c757d; color: white; }

.odevmatik-questions-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 1rem;
}

.odevmatik-question-box {
    background: #f8f9fa;
    border: 3px solid #e9ecef;
    border-radius: 0.75rem;
    padding: 1rem;
    transition: all 0.3s;
}

.odevmatik-question-box:hover {
    border-color: #667eea;
    transform: scale(1.02);
}

.odevmatik-question-number {
    width: 32px;
    height: 32px;
    background: #667eea;
    color: white;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: bold;
    margin-bottom: 0.5rem;
}

.odevmatik-math-input {
    border: 2px solid #dee2e6;
    border-radius: 0.5rem;
    padding: 0.5rem;
    font-size: 1.25rem;
    text-align: center;
    width: 100%;
    max-width: 120px;
    transition: all 0.3s;
}

.odevmatik-math-input:focus {
    border-color: #667eea;
    outline: none;
    box-shadow: 0 0 0 3px rgba(102, 126, 234, 0.1);
}

.odevmatik-math-input.correct {
    background: #d4edda !important;
    border-color: #28a745 !important;
}

.odevmatik-math-input.wrong {
    background: #f8d7da !important;
    border-color: #dc3545 !important;
}

.odevmatik-vertical-math {
    font-family: 'Courier New', monospace;
    text-align: right;
    line-height: 1.6;
}

.odevmatik-clock-face {
    width: 100px;
    height: 100px;
    border: 3px solid #333;
    border-radius: 50%;
    position: relative;
    margin: 0 auto;
    background: white;
}

.odevmatik-clock-hand {
    position: absolute;
    bottom: 50%;
    left: 50%;
    transform-origin: bottom center;
    background: #333;
}

.odevmatik-hour-hand {
    width: 3px;
    height: 25px;
    margin-left: -1.5px;
}

.odevmatik-minute-hand {
    width: 2px;
    height: 38px;
    margin-left: -1px;
}

.odevmatik-clock-center {
    width: 6px;
    height: 6px;
    background: #333;
    border-radius: 50%;
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
}

.odevmatik-feedback {
    position: fixed;
    top: 20px;
    right: 20px;
    padding: 1rem 1.5rem;
    border-radius: 0.5rem;
    color: white;
    font-weight: bold;
    z-index: 9999;
    animation: slideIn 0.3s ease;
}

@keyframes slideIn {
    from { transform: translateX(100%); opacity: 0; }
    to { transform: translateX(0); opacity: 1; }
}

.odevmatik-feedback.success { background: #28a745; }
.odevmatik-feedback.error { background: #dc3545; }

@media print {
    .odevmatik-no-print { display: none !important; }
    .odevmatik-worksheet { box-shadow: none; }
}

.hidden { display: none !important; }