/* Common Styles for ODB Locator Pro */

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

body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    min-height: 100vh;
    overflow-x: hidden;
}

/* Common Button Styles */
.btn {
    background: linear-gradient(90deg, #ff9a00, #ff6f00);
    color: white;
    border: none;
    padding: 0.75rem 1.5rem;
    border-radius: 8px;
    font-size: 1rem;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s ease;
    box-shadow: 0 2px 4px rgba(0,0,0,0.1);
}

.btn:hover {
    background: linear-gradient(90deg, #ff6f00, #ff9a00);
    transform: translateY(-2px);
    box-shadow: 0 4px 8px rgba(0,0,0,0.2);
}

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

.btn:disabled {
    opacity: 0.6;
    cursor: not-allowed;
    transform: none;
}

.btn-small {
    padding: 0.5rem 1rem;
    font-size: 0.9rem;
}

/* Common Form Styles */
.form-control {
    width: 100%;
    padding: 0.75rem;
    border: 2px solid #ddd;
    border-radius: 8px;
    font-size: 1rem;
    transition: border-color 0.3s ease;
}

.form-control:focus {
    outline: none;
    border-color: #ff9a00;
    box-shadow: 0 0 0 3px rgba(255, 154, 0, 0.1);
}

.form-group {
    margin-bottom: 1rem;
}

.form-group label {
    display: block;
    margin-bottom: 0.5rem;
    font-weight: 600;
    color: #333;
}

/* Common Error Styles */
.error-message {
    color: #e74c3c;
    font-size: 0.9rem;
    margin-top: 0.5rem;
    text-align: left;
    display: none;
}

.error-message.show {
    display: block;
}

/* Common Loading Styles */
.loading-spinner {
    width: 20px;
    height: 20px;
    border: 2px solid rgba(255, 255, 255, 0.3);
    border-top: 2px solid white;
    border-radius: 50%;
    animation: spin 1s linear infinite;
    display: none;
    margin-right: 0.5rem;
}

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

/* Common Animations */
@keyframes slideIn {
    from {
        opacity: 0;
        transform: translateY(-50px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes fadeIn {
    from {
        opacity: 0;
    }
    to {
        opacity: 1;
    }
}

/* Common Utility Classes */
.hidden {
    display: none !important;
}

.text-center {
    text-align: center;
}

.text-left {
    text-align: left;
}

.text-right {
    text-align: right;
}

.mb-1 { margin-bottom: 0.5rem; }
.mb-2 { margin-bottom: 1rem; }
.mb-3 { margin-bottom: 1.5rem; }

.mt-1 { margin-top: 0.5rem; }
.mt-2 { margin-top: 1rem; }
.mt-3 { margin-top: 1.5rem; }

.p-1 { padding: 0.5rem; }
.p-2 { padding: 1rem; }
.p-3 { padding: 1.5rem; }

/* Common Responsive Breakpoints */
@media (max-width: 768px) {
    .btn {
        padding: 0.8rem 1.5rem;
        font-size: 1rem;
        min-height: 48px;
    }
    
    .btn-small {
        padding: 0.6rem 1rem;
        font-size: 0.9rem;
        min-height: 44px;
    }
    
    .form-control {
        font-size: 16px; /* Prevents zoom on iOS */
        padding: 0.8rem;
    }
}

@media (max-width: 480px) {
    .btn {
        padding: 0.8rem 1.2rem;
        font-size: 0.9rem;
    }
    
    .btn-small {
        padding: 0.5rem 0.8rem;
        font-size: 0.8rem;
        min-height: 40px;
    }
}