:root {
    /* Infotechi / Tech Theme Colors */
    --igcai-primary: #0056b3;        /* Professional Tech Blue */
    --igcai-primary-hover: #004494;  /* Darker Blue for hover */
    --igcai-bg: #f0f2f5;             /* Light Tech Gray Background */
    --igcai-card-bg: #ffffff;        /* White Cards */
    --igcai-text: #1a1a1a;           /* Dark Text */
    --igcai-text-muted: #5f6368;     /* Muted Text */
    --igcai-border: #dfe1e5;         /* Soft Border */
    --igcai-radius: 8px;             /* Consistent Radius */
    --igcai-shadow: 0 2px 8px rgba(0, 0, 0, 0.08); /* Soft, modern shadow */
}

.igcai-container {
    max-width: 800px;
    margin: 40px auto;
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
    color: var(--igcai-text);
    line-height: 1.6;
}

.igcai-header {
    text-align: center;
    margin-bottom: 2.5rem;
    padding: 0 10px;
}

.igcai-header h2 {
    font-size: 2.25rem;
    font-weight: 700;
    margin-bottom: 0.75rem;
    color: var(--igcai-primary);
    letter-spacing: -0.5px;
}

.igcai-header p {
    color: var(--igcai-text-muted);
    font-size: 1.1rem;
}

/* Form Styling */
.igcai-form {
    background: var(--igcai-card-bg);
    padding: 2.5rem;
    border-radius: var(--igcai-radius);
    box-shadow: var(--igcai-shadow);
    border: 1px solid var(--igcai-border);
}

.igcai-form-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
    gap: 1.25rem;
    margin-bottom: 2rem;
}

.igcai-field label {
    display: block;
    font-size: 0.9rem;
    font-weight: 600;
    margin-bottom: 0.5rem;
    color: #2c3e50;
}

.igcai-field input,
.igcai-field select {
    width: 100%;
    padding: 0.85rem 1rem;
    border: 1px solid var(--igcai-border);
    border-radius: 6px;
    font-size: 1rem;
    background-color: #fff;
    color: var(--igcai-text);
    transition: all 0.2s ease;
    box-sizing: border-box;
}

.igcai-field input:focus,
.igcai-field select:focus {
    outline: none;
    border-color: var(--igcai-primary);
    box-shadow: 0 0 0 4px rgba(0, 86, 179, 0.1);
}

.igcai-generate-btn {
    width: 100%;
    padding: 1rem;
    background-color: var(--igcai-primary);
    color: white;
    font-weight: 600;
    font-size: 1.05rem;
    border: none;
    border-radius: 6px;
    cursor: pointer;
    transition: background-color 0.2s ease, transform 0.1s;
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 10px;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.igcai-generate-btn:hover {
    background-color: var(--igcai-primary-hover);
    transform: translateY(-1px);
}

.igcai-generate-btn:active {
    transform: translateY(0);
}

.igcai-generate-btn:disabled {
    background-color: #9ca3af;
    cursor: not-allowed;
    transform: none;
}

/* Loader */
.loader {
    width: 20px;
    height: 20px;
    border: 3px solid rgba(255,255,255,0.3);
    border-radius: 50%;
    border-top-color: #fff;
    animation: spin 0.9s linear infinite;
}

@keyframes spin {
    to { transform: rotate(360deg); }
}

/* Results Styling */
.igcai-results {
    margin-top: 3rem;
}

.igcai-section {
    margin-bottom: 2.5rem;
}

.igcai-section h3 {
    font-size: 1.4rem;
    font-weight: 700;
    margin-bottom: 1rem;
    color: var(--igcai-text);
    padding-bottom: 0.5rem;
    border-bottom: 2px solid #eaeaea;
}

.igcai-card {
    background: var(--igcai-card-bg);
    border: 1px solid var(--igcai-border);
    border-radius: var(--igcai-radius);
    margin-bottom: 1rem;
    overflow: hidden;
    transition: box-shadow 0.2s ease, border-color 0.2s;
}

.igcai-card:hover {
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
    border-color: #cbd5e0;
}

.igcai-card-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 0.75rem 1.25rem;
    background-color: #f8f9fa;
    border-bottom: 1px solid #edf2f7;
}

.igcai-card-header .tag {
    font-size: 0.75rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    color: var(--igcai-primary);
}

.copy-btn {
    background-color: white;
    border: 1px solid var(--igcai-border);
    padding: 0.3rem 1rem;
    border-radius: 4px;
    font-size: 0.8rem;
    font-weight: 600;
    cursor: pointer;
    color: var(--igcai-text);
    transition: all 0.2s;
}

.copy-btn:hover {
    border-color: var(--igcai-primary);
    color: var(--igcai-primary);
    background-color: #f0f7ff;
}

.igcai-card-body {
    padding: 1.5rem 1.25rem;
    font-size: 1rem;
    color: #374151;
    white-space: pre-wrap;
    line-height: 1.7;
}

/* Messages */
.igcai-message {
    margin-top: 1rem;
    padding: 1rem;
    border-radius: 6px;
    font-weight: 500;
    display: none;
    font-size: 0.95rem;
}

.igcai-message.error {
    background-color: #fef2f2;
    color: #991b1b;
    border: 1px solid #fecaca;
}

.igcai-message.success {
    background-color: #f0fdf4;
    color: #166534;
    border: 1px solid #bbf7d0;
}

/* Responsive */
@media (max-width: 600px) {
    .igcai-container {
        padding: 0 15px;
        margin: 25px auto;
    }
    
    .igcai-form {
        padding: 1.5rem;
    }

    .igcai-card-header {
        flex-direction: column;
        gap: 0.75rem;
        align-items: flex-start;
    }
    
    .copy-btn {
        align-self: flex-end;
        width: 100%;
        text-align: center;
    }

    .igcai-header h2 {
        font-size: 1.8rem;
    }
}