/* Reset ve Temel Stiller */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    min-height: 100vh;
    color: #333;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 20px;
}

/* Header Stilleri */
.header {
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    border-radius: 20px;
    padding: 20px;
    margin-bottom: 30px;
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.1);
    border: 1px solid rgba(255, 255, 255, 0.2);
}

.header-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 15px;
}

.header h1 {
    color: #4a5568;
    font-size: 1.8rem;
    font-weight: 700;
    display: flex;
    align-items: center;
    gap: 10px;
}

.header h1 i {
    color: #667eea;
}

.date-display {
    background: linear-gradient(135deg, #667eea, #764ba2);
    color: white;
    padding: 10px 20px;
    border-radius: 25px;
    font-weight: 600;
    font-size: 0.9rem;
}

/* Form Stilleri */
.add-program-section {
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    border-radius: 20px;
    padding: 25px;
    margin-bottom: 30px;
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.1);
    border: 1px solid rgba(255, 255, 255, 0.2);
    max-width: 600px;
    margin-left: auto;
    margin-right: auto;
}

.form-container h2 {
    color: #4a5568;
    margin-bottom: 30px;
    font-size: 1.4rem;
    display: flex;
    align-items: center;
    gap: 10px;
    text-align: center;
    justify-content: center;
}

.form-container h2 i {
    color: #667eea;
}

.form-group {
    margin-bottom: 25px;
}

.form-row {
    display: flex;
    flex-direction: column;
    gap: 15px;
}

.form-group label {
    display: block;
    margin-bottom: 8px;
    font-weight: 600;
    color: #4a5568;
    font-size: 0.9rem;
}

.form-group input,
.form-group select,
.form-group textarea {
    width: 100%;
    padding: 15px 18px;
    border: 2px solid #e2e8f0;
    border-radius: 12px;
    font-size: 1rem;
    transition: all 0.3s ease;
    background: white;
    box-sizing: border-box;
}

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

.form-group textarea {
    resize: vertical;
    min-height: 80px;
}

/* Buton Stilleri */
.btn {
    padding: 12px 25px;
    border: none;
    border-radius: 10px;
    font-size: 1rem;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s ease;
    display: inline-flex;
    align-items: center;
    gap: 8px;
    text-decoration: none;
}

.btn-primary {
    background: linear-gradient(135deg, #667eea, #764ba2);
    color: white;
    width: 100%;
    padding: 18px;
    font-size: 1.1rem;
    margin-top: 10px;
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 25px rgba(102, 126, 234, 0.3);
}

.btn-secondary {
    background: #e2e8f0;
    color: #4a5568;
}

.btn-secondary:hover {
    background: #cbd5e0;
}

.btn-danger {
    background: linear-gradient(135deg, #f56565, #e53e3e);
    color: white;
}

.btn-danger:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 25px rgba(245, 101, 101, 0.3);
}

.btn-edit {
    background: linear-gradient(135deg, #48bb78, #38a169);
    color: white;
}

.btn-edit:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 25px rgba(72, 187, 120, 0.3);
}

/* Program Listesi Stilleri */
.programs-section {
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    border-radius: 20px;
    padding: 25px;
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.1);
    border: 1px solid rgba(255, 255, 255, 0.2);
}

.section-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 25px;
    flex-wrap: wrap;
    gap: 15px;
}

.section-controls {
    display: flex;
    align-items: center;
    gap: 20px;
    flex-wrap: wrap;
}

.section-header h2 {
    color: #4a5568;
    font-size: 1.4rem;
    display: flex;
    align-items: center;
    gap: 10px;
    text-align: left;
}

.section-header h2 i {
    color: #667eea;
}

.filter-controls {
    display: flex;
    gap: 10px;
    flex-wrap: wrap;
}

.filter-controls select {
    padding: 8px 15px;
    border: 2px solid #e2e8f0;
    border-radius: 8px;
    background: white;
    font-size: 0.9rem;
    cursor: pointer;
}

.action-controls {
    display: flex;
    gap: 10px;
}

#save-as-image {
    background: linear-gradient(135deg, #48bb78, #38a169);
    color: white;
    border: none;
    padding: 10px 20px;
    border-radius: 8px;
    font-size: 0.9rem;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s ease;
    display: flex;
    align-items: center;
    gap: 8px;
}

#save-as-image:hover {
    transform: translateY(-2px);
    box-shadow: 0 4px 15px rgba(72, 187, 120, 0.3);
}

#save-as-image:disabled {
    opacity: 0.6;
    cursor: not-allowed;
    transform: none;
}

/* Program Kartları */
.program-card {
    background: white;
    border-radius: 15px;
    padding: 20px;
    margin-bottom: 15px;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.1);
    border-left: 5px solid #667eea;
    transition: all 0.3s ease;
    position: relative;
    opacity: 1 !important;
    filter: none !important;
}

.program-card:hover {
    transform: translateY(-3px);
    box-shadow: 0 8px 25px rgba(0, 0, 0, 0.15);
}

.program-card.high-priority {
    border-left-color: #f56565;
}

.program-card.medium-priority {
    border-left-color: #ed8936;
}

.program-card.low-priority {
    border-left-color: #48bb78;
}

.program-header {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    margin-bottom: 15px;
    flex-wrap: wrap;
    gap: 10px;
}

.program-title {
    font-size: 1.2rem;
    font-weight: 700;
    color: #2d3748;
    flex: 1;
}

.program-priority {
    padding: 6px 14px;
    border-radius: 25px;
    font-size: 0.85rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.15);
    border: 2px solid transparent;
    position: relative;
    display: inline-flex;
    align-items: center;
    gap: 5px;
}

.program-priority::before {
    content: '';
    width: 8px;
    height: 8px;
    border-radius: 50%;
    background: currentColor;
    opacity: 0.8;
}

.priority-high {
    background: linear-gradient(135deg, #f56565, #e53e3e);
    color: white;
    border-color: #c53030;
}

.priority-medium {
    background: linear-gradient(135deg, #4299e1, #3182ce);
    color: white;
    border-color: #2b6cb0;
}

.priority-low {
    background: linear-gradient(135deg, #48bb78, #38a169);
    color: white;
    border-color: #2f855a;
}

.program-details {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 15px;
    margin-bottom: 15px;
}

.program-detail {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 0.9rem;
    color: #4a5568;
}

.program-detail i {
    color: #667eea;
    width: 16px;
}

.time-detail {
    background: linear-gradient(135deg, #667eea, #764ba2);
    color: white;
    padding: 10px 15px;
    border-radius: 10px;
    font-weight: 700;
    font-size: 1.1rem;
    margin-bottom: 15px;
    box-shadow: 0 4px 15px rgba(102, 126, 234, 0.3);
}

.time-detail i {
    color: white !important;
    font-size: 1.2rem;
    margin-right: 10px;
}

.time-text {
    font-size: 1.2rem;
    font-weight: 700;
    color: white;
}

.date-separator {
    margin: 30px 0 20px 0;
    text-align: center;
}

.date-title {
    background: linear-gradient(135deg, #667eea, #764ba2);
    color: white;
    padding: 15px 25px;
    border-radius: 15px;
    font-size: 1.3rem;
    font-weight: 700;
    display: inline-flex;
    align-items: center;
    gap: 10px;
    box-shadow: 0 4px 15px rgba(102, 126, 234, 0.3);
    margin: 0;
}

.date-title i {
    font-size: 1.2rem;
}

.program-description {
    color: #718096;
    font-size: 0.9rem;
    line-height: 1.5;
    margin-bottom: 15px;
    padding: 10px;
    background: #f7fafc;
    border-radius: 8px;
}

.program-actions {
    display: flex;
    gap: 10px;
    flex-wrap: wrap;
}

.program-actions .btn {
    padding: 10px;
    font-size: 1rem;
    width: 40px;
    height: 40px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    min-width: auto;
}

/* Modal Stilleri */
.modal {
    display: none;
    position: fixed;
    z-index: 1000;
    left: 0;
    top: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0, 0, 0, 0.5);
    backdrop-filter: blur(5px);
}

.modal-content {
    background: white;
    margin: 5% auto;
    padding: 0;
    border-radius: 20px;
    width: 90%;
    max-width: 600px;
    max-height: 90vh;
    overflow-y: auto;
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.3);
}

.modal-header {
    background: linear-gradient(135deg, #667eea, #764ba2);
    color: white;
    padding: 20px;
    border-radius: 20px 20px 0 0;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.modal-header h3 {
    margin: 0;
    font-size: 1.3rem;
}

.close {
    color: white;
    font-size: 28px;
    font-weight: bold;
    cursor: pointer;
    transition: opacity 0.3s;
}

.close:hover {
    opacity: 0.7;
}

#edit-form {
    padding: 25px;
}

.modal-buttons {
    display: flex;
    gap: 15px;
    margin-top: 20px;
    flex-wrap: wrap;
}

/* Boş Durum */
.empty-state {
    text-align: center;
    padding: 40px 20px;
    color: #718096;
}

.empty-state i {
    font-size: 3rem;
    color: #cbd5e0;
    margin-bottom: 15px;
}

.empty-state h3 {
    margin-bottom: 10px;
    color: #4a5568;
}

/* Responsive Tasarım */
@media (max-width: 768px) {
    .container {
        padding: 15px;
    }
    
    .header-content {
        flex-direction: column;
        text-align: center;
    }
    
    .header h1 {
        font-size: 1.5rem;
    }
    
    .form-row {
        flex-direction: column;
    }
    
    .section-header {
        flex-direction: column;
        align-items: stretch;
    }
    
    .section-controls {
        flex-direction: column;
        gap: 15px;
    }
    
    .filter-controls {
        justify-content: center;
    }
    
    .action-controls {
        justify-content: center;
    }
    
    .program-header {
        flex-direction: column;
        align-items: stretch;
    }
    
    .program-details {
        grid-template-columns: 1fr;
    }
    
    .program-actions {
        justify-content: center;
    }
    
    .modal-content {
        width: 95%;
        margin: 10% auto;
    }
    
    .modal-buttons {
        flex-direction: column;
    }
    
    .btn {
        width: 100%;
        justify-content: center;
    }
}

@media (max-width: 480px) {
    .header h1 {
        font-size: 1.3rem;
    }
    
    .form-container h2,
    .section-header h2 {
        font-size: 1.2rem;
    }
    
    .program-title {
        font-size: 1.1rem;
    }
    
    .program-card {
        padding: 15px;
    }
}

/* Animasyonlar */
@keyframes fadeIn {
    from {
        opacity: 0;
        transform: translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.program-card {
    animation: fadeIn 0.5s ease-out;
}

/* Özel Efektler */
.program-card.completed {
    opacity: 0.7;
    background: #f7fafc;
}

.program-card.completed .program-title {
    text-decoration: line-through;
    color: #a0aec0;
}

/* Loading Spinner */
.loading {
    display: inline-block;
    width: 20px;
    height: 20px;
    border: 3px solid #f3f3f3;
    border-top: 3px solid #667eea;
    border-radius: 50%;
    animation: spin 1s linear infinite;
}

@keyframes spin {
    0% { transform: rotate(0deg); }
    100% { transform: rotate(360deg); }
}



.header-content {
    display: flex;
    align-items: center;
    gap: 10px;
}