/* UI/UX Improvements for QME Calculator */

/* Coffee comparison messaging */
.coffee-comparison {
    font-style: italic;
    margin-top: 8px;
    color: #666;
}

.coffee-comparison strong {
    color: var(--primary-color-light);
    font-weight: 600;
}

.dark-theme .coffee-comparison {
    color: #aaa;
}

.dark-theme .coffee-comparison strong {
    color: var(--primary-color-dark);
}

/* Professional tagline */
.professional-tagline {
    opacity: 0.9;
    transition: color 0.3s;
}

.dark-theme .professional-tagline {
    color: #4CAF50 !important;
}

/* Enhanced free plan depleted styling */
.free-plan-depleted {
    background-color: #fff3e0 !important;
    border: 1px solid #ffb74d !important;
}

.dark-theme .free-plan-depleted {
    background-color: #2d2416 !important;
    border: 1px solid #ff8f00 !important;
}

/* Button styling improvements */
.coffee-banner {
    background: linear-gradient(135deg, #2196F3, #1976D2);
    color: white;
    padding: 12px 20px;
    border-radius: 10px;
    text-align: center;
    margin-bottom: 15px;
    font-weight: 600;
    box-shadow: 0 4px 12px rgba(33, 150, 243, 0.25);
    border: 1px solid rgba(255, 255, 255, 0.1);
}

.btn.primary {
    background-color: #2196F3;
    border: none;
    color: white;
    padding: 10px 15px;
    border-radius: 4px;
    cursor: pointer;
    font-weight: 600;
    text-decoration: none;
    display: inline-block;
    transition: background-color 0.2s;
}

.btn.primary:hover {
    background-color: #1976D2;
}

.btn.secondary {
    background-color: transparent;
    border: 1px solid #4CAF50;
    color: #4CAF50;
    padding: 10px 15px;
    border-radius: 4px;
    cursor: pointer;
    font-weight: 600;
}

.dark-theme .btn.secondary {
    color: #4CAF50;
    border-color: #4CAF50;
}

.btn.secondary:hover {
    background-color: rgba(33, 150, 243, 0.1);
}

/* Enhanced Results Display */
.results-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 8px;
}

.results-section {
    background-color: var(--results-bg-light);
    padding: 12px;
    border-radius: 12px;
    margin-top: 8px;
    transition: background-color 0.3s;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.08);
    border: 1px solid rgba(33, 150, 243, 0.1);
}

.dark-theme .results-section {
    background-color: var(--results-bg-dark);
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.3);
    border: 1px solid rgba(33, 150, 243, 0.2);
}

.results-grid {
    display: flex;
    gap: 12px;
    justify-content: space-between;
    margin-bottom: 8px;
}

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

.copy-button, .print-button {
    background: linear-gradient(135deg, #f8f9fa, #e9ecef);
    border: 1px solid #dee2e6;
    color: #495057;
    padding: 8px 12px;
    border-radius: 6px;
    cursor: pointer;
    font-size: 14px;
    transition: all 0.2s;
    display: flex;
    align-items: center;
    gap: 5px;
    box-shadow: 0 1px 3px rgba(0, 0, 0, 0.1);
}

.dark-theme .copy-button,
.dark-theme .print-button {
    background: linear-gradient(135deg, #2d2d2d, #3a3a3a);
    border-color: #555;
    color: #e0e0e0;
    box-shadow: 0 1px 3px rgba(0, 0, 0, 0.3);
}

/* Equal width result boxes */
.results-grid .result-group {
    flex: 1;
    min-width: 0;
}

/* Subscription toggle for mobile */
@media (max-width: 768px) {
    .subscription-toggle {
        display: flex;
        justify-content: space-between;
        align-items: center;
        padding: 12px 15px;
        background: #f8f9fa;
        border: 1px solid #ddd;
        border-radius: 6px;
        cursor: pointer;
        margin-bottom: 10px;
        font-weight: 500;
    }
    
    .dark-theme .subscription-toggle {
        background: #2d2d2d;
        border-color: #555;
        color: #e0e0e0;
    }
    
    .subscription-toggle:hover {
        background: #e9ecef;
    }
    
    .dark-theme .subscription-toggle:hover {
        background: #3a3a3a;
    }
    
    .subscription-details {
        display: none;
        animation: slideDown 0.3s ease-out;
    }
    
    .subscription-details.expanded {
        display: block;
    }
    
    @keyframes slideDown {
        from {
            opacity: 0;
            transform: translateY(-10px);
        }
        to {
            opacity: 1;
            transform: translateY(0);
        }
    }
}

/* Hide toggle on desktop */
@media (min-width: 769px) {
    .subscription-toggle {
        display: none;
    }
    
    .subscription-details {
        display: block !important;
    }
}

/* Mobile results styling - more compact */
@media (max-width: 768px) {
    .mobile-close-btn {
        display: none !important;
    }
    
    .results-section {
        margin-top: 15px;
        padding: 12px;
    }
    
    .results-section h2 {
        font-size: 16px;
        margin-bottom: 10px;
    }
    
    .results-grid {
        flex-direction: column;
        gap: 8px;
    }
    
    .result-group {
        padding: 8px;
        margin: 0;
    }
    
    .result-group label {
        font-size: 11px;
        margin-bottom: 3px;
        font-weight: 500;
    }
    
    .result-group input {
        font-size: 14px;
        padding: 6px 8px;
        min-height: 36px;
    }
    
    .results-actions {
        margin-top: 10px;
        gap: 8px;
        display: flex;
        flex-direction: row;
    }
    
    .copy-button, .print-button {
        padding: 8px 12px;
        font-size: 12px;
        flex: 1;
    }
    
    /* Button layout - horizontal arrangement - force override */
    .button-section,
    div.button-section,
    .container .button-section {
        display: flex !important;
        flex-direction: row !important;
        gap: 15px !important;
        margin: 20px 0 !important;
        width: 100% !important;
        grid-template-columns: none !important;
        justify-content: center !important;
        align-items: center !important;
    }
    
    .calculate-button, .reset-button {
        flex: 1 !important;
        padding: 12px 20px !important;
        font-size: 16px !important;
        min-height: 48px !important;
        max-height: 48px !important;
        box-sizing: border-box !important;
        border: none !important;
        border-radius: 8px !important;
        font-weight: 500 !important;
        line-height: 1.2 !important;
        white-space: nowrap !important;
        overflow: hidden !important;
        text-overflow: ellipsis !important;
        width: auto !important;
        margin: 0 !important;
    }
}

/* Compact input layout for mobile */
@media (max-width: 768px) {
    .input-fields {
        display: grid;
        grid-template-columns: 1fr 1fr 1fr;
        gap: 12px;
    }
    
    .additional-fields {
        display: none !important;
        grid-template-columns: 1fr 1fr 1fr;
        gap: 12px;
    }
    
    .additional-fields.expanded {
        display: grid !important;
    }
    
    .input-group {
        margin-bottom: 0;
    }
    
    .input-group label {
        font-size: 11px;
        margin-bottom: 3px;
    }
    
    .input-group input {
        padding: 8px 6px;
        font-size: 16px;
    }
}

/* For very small screens, keep single column */
@media (max-width: 400px) {
    .input-fields,
    .additional-fields {
        grid-template-columns: 1fr;
    }
}

.result-unit {
    font-weight: 600;
    color: var(--primary-color-light);
    font-size: 16px;
}

.dark-theme .result-unit {
    color: var(--primary-color-dark);
}

.calculation-timestamp {
    text-align: center;
    margin-top: 15px;
    padding-top: 15px;
    border-top: 1px solid var(--input-border-light);
}

.dark-theme .calculation-timestamp {
    border-top-color: var(--input-border-dark);
}

.calculation-timestamp small {
    color: var(--text-color-light);
    opacity: 0.7;
}

.dark-theme .calculation-timestamp small {
    color: var(--text-color-dark);
}

/* Mobile responsive adjustments */
@media (max-width: 600px) {
    .results-header {
        flex-direction: column;
        gap: 15px;
        align-items: flex-start;
    }
    
    .results-actions {
        width: 100%;
        justify-content: center;
    }
    
    .copy-button, .print-button {
        flex: 1;
        justify-content: center;
    }
}

/* Mobile Optimizations */
@media (max-width: 768px) {
    .input-fields {
        grid-template-columns: 1fr 1fr 1fr !important;
        gap: 12px !important;
    }
    
    .input-group {
        margin-bottom: 0 !important; /* Compact spacing for grid */
    }
    
    .input-group label {
        font-size: 11px !important;
        margin-bottom: 3px !important;
    }
    
    .input-group input {
        min-height: 48px; /* Larger touch targets */
        font-size: 16px; /* Prevent zoom on iOS */
        padding: 10px 8px !important; /* Compact but touchable */
    }
    
    
    .calculate-button {
        min-height: 48px; /* Larger touch target */
        font-size: 18px;
        padding: 12px 24px;
        width: 100%;
        margin: 20px 0;
    }
    
    .expand-button {
        min-height: 44px; /* Larger touch target */
        font-size: 16px;
        padding: 10px 20px;
        width: 100%;
    }
    
    .results-grid {
        grid-template-columns: 1fr;
        gap: 16px;
    }
    
    .results-actions {
        flex-direction: row;
        gap: 12px;
        margin-top: 20px;
    }
    
    .results-actions button {
        flex: 1;
        min-height: 44px; /* Larger touch targets */
        font-size: 16px;
        padding: 12px 16px;
    }
    
    /* Better spacing for mobile results */
    .result-group {
        padding: 16px;
        margin-bottom: 12px;
    }
    
    .result-group input {
        min-height: 44px;
        font-size: 18px;
        text-align: center;
    }
}

/* Touch device optimizations */
@media (hover: none) and (pointer: coarse) {
    /* Swipe gesture support */
    .input-section {
        touch-action: pan-y;
    }
    
    /* Larger touch targets for all interactive elements */
    button, input, .expand-button {
        min-height: 44px;
    }
    
    /* Better visual feedback for touch */
    input:focus {
        transform: scale(1.02);
        transition: transform 0.2s ease;
    }
    
    button:active {
        transform: scale(0.98);
        transition: transform 0.1s ease;
    }
}

/* Security and Trust Messaging */
.security-notice {
    margin-top: 8px;
    padding: 8px;
    background-color: #f8f9fa;
    border-radius: 6px;
    border-left: 4px solid #2196F3;
}

.dark-theme .security-notice {
    background-color: #1a1a1a;
    border-left-color: #2196F3;
}

.security-badges {
    display: flex;
    flex-wrap: wrap;
    gap: 15px;
    justify-content: center;
}

.security-badge {
    display: flex;
    align-items: center;
    gap: 6px;
    font-size: 13px;
    color: #495057;
    font-weight: 500;
}

.dark-theme .security-badge {
    color: #adb5bd;
}

.security-badge i {
    color: #4CAF50;
    font-size: 14px;
}

@media (max-width: 600px) {
    .security-badges {
        flex-direction: column;
        align-items: center;
        gap: 10px;
    }
    
    /* Mobile optimization for pricing messages */
    .professional-tagline {
        font-size: 0.8em !important;
        text-align: center;
        line-height: 1.3;
    }
    
    .coffee-comparison {
        font-size: 0.85em !important;
        text-align: center;
        margin-top: 10px;
    }
    
    .plan-banner {
        flex-direction: column;
        text-align: center;
        gap: 15px;
        padding: 15px;
    }
    
    .plan-action {
        width: 100%;
    }
    
    .plan-action p {
        display: flex;
        flex-direction: column;
        gap: 10px;
        align-items: center;
    }
    
    .btn.primary, .btn.secondary {
        width: 100%;
        max-width: 280px;
        text-align: center;
        padding: 12px 20px;
        font-size: 16px;
    }
    
    /* Ensure upgrade buttons are prominent on mobile */
    .free-plan-depleted .btn.primary {
        background-color: #4CAF50 !important;
        color: white !important;
        font-weight: 600;
        margin-bottom: 10px;
    }
    
    /* Mobile results layout */
    .results-grid {
        flex-direction: column;
        gap: 15px;
    }
    
    .result-group {
        display: flex;
        flex-direction: row;
        justify-content: space-between;
        align-items: center;
        padding: 12px 15px;
        background-color: rgba(33, 150, 243, 0.1);
        border-radius: 6px;
        gap: 10px;
    }
    
    .result-group label {
        flex: 1;
        text-align: left;
        margin: 0;
        font-size: 16px;
    }
    
    .result-group input {
        max-width: 80px;
        font-size: 18px;
        font-weight: 600;
        flex-shrink: 0;
    }
    
    .result-unit {
        font-size: 18px;
        font-weight: 600;
        color: #2196F3;
        margin-left: 5px;
        flex-shrink: 0;
    }
}


/* Professional tagline styling */
.professional-tagline {
    text-align: left;
    color: #666;
    font-size: 14px;
    margin-bottom: 20px;
    font-weight: 500;
    line-height: 1.5;
}

.dark-theme .professional-tagline {
    color: #ccc;
}

/* Loading states and animations */
.loading-overlay {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(255, 255, 255, 0.8);
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 8px;
    z-index: 10;
}

.dark-theme .loading-overlay {
    background: rgba(0, 0, 0, 0.8);
}

.spinner {
    width: 24px;
    height: 24px;
    border: 2px solid #e3e3e3;
    border-top: 2px solid #2196F3;
    border-radius: 50%;
    animation: spin 1s linear infinite;
}

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

.success-feedback {
    position: fixed;
    top: 20px;
    right: 20px;
    background: #4CAF50;
    color: white;
    padding: 12px 20px;
    border-radius: 6px;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.2);
    z-index: 1000;
    animation: slideIn 0.3s ease-out;
}

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

/* Input validation feedback */
.input-group input.valid {
    border-color: #4CAF50;
    box-shadow: 0 0 0 2px rgba(76, 175, 80, 0.2);
}

.input-group input.invalid {
    border-color: #f44336;
    box-shadow: 0 0 0 2px rgba(244, 67, 54, 0.2);
}

.input-group input:focus {
    outline: none;
    border-color: #2196F3;
    box-shadow: 0 0 0 2px rgba(33, 150, 243, 0.2);
}

/* Hover effects */
.input-group input:hover {
    border-color: #2196F3;
    transition: border-color 0.2s;
}

.btn:hover {
    transform: translateY(-1px);
    box-shadow: 0 4px 8px rgba(0, 0, 0, 0.15);
    transition: all 0.2s;
}

/* Compact input fields */
.input-section {
    padding-top: 20px;
    position: relative;
}

.input-group {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 5px;
}

.input-group input[type="number"] {
    width: 100%;
    max-width: 100px;
    padding: 8px;
    text-align: center;
    font-size: 16px;
    font-weight: 500;
}

.input-group label {
    font-size: 13px;
    text-align: center;
    margin: 0;
}