* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

/* body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    line-height: 1.6;
    color: #1f2937;
    background: #ffffff;
    min-height: 100vh;
} */

.container {
    max-width: 1240px;
    margin: 0 auto;
    padding: 20px;
}

/* Header Styles */
header {
    text-align: center;
     background: linear-gradient(135deg, #9CA1E2 0%, #4b85e6 50%, #9CA1E2 100%);
    color: white !important;
    padding: 20px;
    border-radius: 15px;
    margin-bottom: 30px;
    box-shadow: 0 10px 30px rgba(30, 58, 138, 0.2);
}




header h1 {
    font-size: 45px !important;
    font-weight: 700;
    margin-bottom: 10px;
    text-shadow: 2px 2px 4px rgba(0, 0, 0, 0.3);
}

header p {
    font-size: 1.1rem;
    color: white !important;
}

/* Main Content Layout */
.main-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 30px;
    align-items: start;
}

/* Controls Panel */
.controls-panel {
    background: #f8fafc !important;
    border: 1px solid #e5e7eb !important;
    border-radius: 12px !important;
    padding: 25px !important;
    box-shadow: 0 1px 3px rgba(0, 0, 0, 0.1);
}

.input-section {
    margin-bottom: 25px;
    padding-bottom: 20px;
    border-bottom: 1px solid #e5e7eb !important;
}

.input-section:last-of-type {
    border-bottom: none !important;
    margin-bottom: 20px;
}

.input-section h3 {
    font-size: 1.3rem;
    font-weight: 600;
    color: #1e40af !important;
    margin-bottom: 15px;
    display: flex;
    align-items: center;
}

/* Point Inputs */
.points-grid {
    display: grid;
    gap: 15px;
}

.point-input {
    background: white !important;
    padding: 15px !important;
    border-radius: 8px !important;
    border: 1px solid #d1d5db !important;
    transition: border-color 0.3s ease;
}

.point-input:hover {
    border-color: #3b82f6;
}

.point-input label {
    display: block;
    font-weight: 500;
    color: #374151;
    margin-bottom: 8px;
    font-size: 0.9rem;
}

.coordinate-input {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 10px;
}

/* Input Groups */
.axis-inputs,
.label-inputs {
    display: grid;
    gap: 15px;
}

.input-group {
    display: flex;
    flex-direction: column;
}

.input-group label {
    font-weight: 500;
    color: #374151;
    margin-bottom: 5px;
    font-size: 0.9rem;
}

/* Input Styling */
input[type="number"],
input[type="text"] {
    padding: 10px 12px !important;
    border: 1px solid #d1d5db !important;
    border-radius: 6px !important;
    font-size: 0.9rem;
    transition: all 0.3s ease;
    background: white !important;
}

input[type="number"]:focus,
input[type="text"]:focus {
    outline: none !important;
    border-color: #3b82f6 !important;
    box-shadow: 0 0 0 3px rgba(59, 130, 246, 0.1);
}

/* Buttons */
.button-group {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 12px;
    margin-top: 20px;
}

.btn {
    padding: 12px 20px !important;
    border-radius: 8px !important;
    font-weight: 600;
    font-size: 0.95rem;
    cursor: pointer !important;
    transition: all 0.3s ease;
    border: none !important;
    text-align: center;
    text-decoration: none;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-height: 44px;
}

.btn-primary {
    background: #3b82f6 !important;
    color: white !important;
    box-shadow: 0 2px 4px rgba(59, 130, 246, 0.3);
}

.btn-primary:hover {
    background: #2563eb !important;
    transform: translateY(-1px);
    box-shadow: 0 4px 8px rgba(59, 130, 246, 0.4);
}

.btn-secondary {
    background: #e0f2fe !important;
    color: #0369a1 !important;
    border: 1px solid #bae6fd !important;
}

.btn-secondary:hover {
    background: #bae6fd !important;
    transform: translateY(-1px) !important;
}

.btn-outline {
    background: white !important;
    color: #3b82f6 !important;
    border: 1px solid #3b82f6 !important;
}

.btn-outline:hover:not(:disabled) {
    background: #3b82f6 !important;
    color: white !important;
    transform: translateY(-1px);
}

.btn:disabled {
    opacity: 0.5;
    cursor: not-allowed;
    transform: none;
}

/* Equilibrium Panel */
.equilibrium-panel {
    background: #ecfdf5 !important;
    border: 1px solid #a7f3d0 !important;
    border-radius: 8px !important;
    padding: 20px !important;
    margin-top: 20px;
}

.equilibrium-panel h3 {
    color: #065f46;
    font-size: 1.2rem;
    margin-bottom: 15px;
}

.equilibrium-details {
    display: grid;
    gap: 10px;
}

.equilibrium-value {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 8px 0;
}

.equilibrium-value .label {
    font-weight: 500;
    color: #065f46;
}

.equilibrium-value span:last-child {
    font-weight: 700;
    color: #047857;
    font-family: 'Courier New', monospace;
}

/* Graph Panel */
.graph-panel {
    background: white;
    border: 1px solid #e5e7eb;
    border-radius: 12px;
    padding: 25px;
    box-shadow: 0 1px 3px rgba(0, 0, 0, 0.1);
    display: flex;
    flex-direction: column;
    align-items: center;
}

.canvas-container {
    border: 2px solid #e5e7eb !important;
    border-radius: 8px !important;
    overflow: hidden;
    margin-bottom: 20px;
    background: white !important;
}

#graphCanvas {
    display: block;
    max-width: 100%;
    height: auto;
}

.download-controls {
    display: flex;
    gap: 12px;
    width: 100%;
    justify-content: center;
}

.download-controls .btn {
    flex: 1;
    max-width: 150px;
}

/* Responsive Design */
@media (max-width: 1024px) {
    .main-content {
        grid-template-columns: 1fr;
        gap: 25px;
    }
    
    .graph-panel {
        order: -1;
    }
    
    header h1 {
        font-size: 2rem;
    }
}

@media (max-width: 768px) {
    .container {
        padding: 0px !important;
    }
    
    .controls-panel {
        padding: 20px;
    }
    
    .coordinate-input {
        grid-template-columns: 1fr;
    }
    
    .button-group {
        grid-template-columns: 1fr;
    }
    
    .download-controls {
        flex-direction: column;
    }
    
    .download-controls .btn {
        max-width: none;
    }
    
    header h1 {
        font-size:35px !important;
    }
    
    header p {
        font-size: 1rem;
    }
}

@media (max-width: 480px) {
    .axis-inputs,
    .label-inputs {
        gap: 12px;
    }
    
    .input-section {
        margin-bottom: 20px;
    }
    
    .point-input {
        padding: 12px;
    }
	.graph-panel{
		padding:10px !important;
	}
    #graphCanvas {
        width: 100%;
        height: auto;
    }
}

/* Loading and Error States */
.loading {
    opacity: 0.6;
    pointer-events: none;
}

.error-message {
    color: #dc2626 !important;
    font-size: 0.9rem;
    margin-top: 5px;
    padding: 8px 12px !important;
    background: #fef2f2 !important;
    border: 1px solid #fecaca !important;
    border-radius: 4px !important;
}