/* 
===============================================================================
WIND LOAD SOLUTIONS - BUTTON COMPONENT SYSTEM
Professional button system extracted from your existing wind_styles.css
===============================================================================
*/

/* ===== BASE BUTTON SYSTEM ===== */
/* Your existing premium button styling as the foundation */

button {
    background: linear-gradient(135deg, var(--primary-blue) 0%, var(--primary-blue-dark) 100%);
    color: var(--text-white);
    border: none;
    padding: 14px 28px;
    border-radius: var(--radius-md);
    font-size: var(--text-base);
    font-weight: var(--font-semibold);
    cursor: pointer;
    transition: var(--transition-smooth);
    box-shadow: var(--shadow-button);
    position: relative;
    overflow: hidden;
    font-family: var(--font-family);
    line-height: 1;
    text-align: center;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-2);
    white-space: nowrap;
    user-select: none;
}

button::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.2), transparent);
    transition: left 0.6s;
}

button:hover::before {
    left: 100%;
}

button:hover {
    background: linear-gradient(135deg, var(--primary-blue-dark) 0%, var(--primary-blue-darker) 100%);
    transform: translateY(-2px);
    box-shadow: var(--shadow-button-hover);
}

button:active {
    transform: translateY(0);
    transition: var(--transition-fast);
}

button:disabled {
    opacity: 0.6;
    cursor: not-allowed;
    transform: none !important;
    box-shadow: var(--shadow-button);
}

button:disabled:hover {
    background: linear-gradient(135deg, var(--primary-blue) 0%, var(--primary-blue-dark) 100%);
}

/* ===== BUTTON VARIANTS ===== */

/* Primary button - Your existing primary styling */
button.primary,
.button.primary {
    background: linear-gradient(135deg, var(--primary-blue) 0%, var(--primary-blue-dark) 100%);
    color: var(--text-white);
    box-shadow: var(--shadow-button);
}

button.primary:hover,
.button.primary:hover {
    background: linear-gradient(135deg, var(--primary-blue-dark) 0%, var(--primary-blue-darker) 100%);
    box-shadow: var(--shadow-button-hover);
}

/* Secondary button - Your existing secondary styling */
button.secondary,
.button.secondary {
    background: var(--bg-glass);
    color: var(--text-white);
    border: 1px solid var(--border-medium);
    box-shadow: var(--shadow-card);
}

button.secondary:hover,
.button.secondary:hover {
    background: var(--bg-glass-hover);
    border-color: var(--border-strong);
    box-shadow: var(--shadow-card-hover);
}

/* Success button - Your existing success styling */
button.success,
.button.success {
    background: linear-gradient(135deg, var(--success-green) 0%, var(--success-green-dark) 100%);
    color: var(--text-white);
    box-shadow: var(--shadow-button-success);
}

button.success:hover,
.button.success:hover {
    background: linear-gradient(135deg, var(--success-green-dark) 0%, var(--success-green-darker) 100%);
    box-shadow: 0 8px 25px rgba(16, 185, 129, 0.4);
}

/* Danger button - Your existing danger styling */
button.danger,
.button.danger {
    background: linear-gradient(135deg, var(--danger-red) 0%, var(--danger-red-dark) 100%);
    color: var(--text-white);
    box-shadow: var(--shadow-button-danger);
}

button.danger:hover,
.button.danger:hover {
    background: linear-gradient(135deg, var(--danger-red-dark) 0%, #b91c1c 100%);
    box-shadow: 0 8px 25px rgba(239, 68, 68, 0.4);
}

/* Warning button */
button.warning,
.button.warning {
    background: linear-gradient(135deg, var(--warning-amber) 0%, var(--warning-amber-dark) 100%);
    color: var(--text-white);
    box-shadow: var(--shadow-button-warning);
}

button.warning:hover,
.button.warning:hover {
    background: linear-gradient(135deg, var(--warning-amber-dark) 0%, #b45309 100%);
    box-shadow: 0 8px 25px rgba(245, 158, 11, 0.4);
}

/* ===== BUTTON SIZES ===== */

/* Small buttons */
button.sm,
.button.sm {
    padding: 8px 16px;
    font-size: var(--text-sm);
    border-radius: var(--radius-sm);
    height: var(--button-sm);
}

/* Medium buttons (default) */
button.md,
.button.md {
    padding: 12px 24px;
    font-size: var(--text-base);
    border-radius: var(--radius-md);
    height: var(--button-md);
}

/* Large buttons */
button.lg,
.button.lg {
    padding: 16px 32px;
    font-size: var(--text-lg);
    border-radius: var(--radius-lg);
    height: var(--button-lg);
    font-weight: var(--font-bold);
}

/* ===== BUTTON WIDTHS ===== */

/* Full width buttons */
button.w-full,
.button.w-full {
    width: 100%;
    justify-content: center;
}

/* Auto width buttons (default) */
button.w-auto,
.button.w-auto {
    width: auto;
}

/* ===== SPECIALIZED BUTTONS ===== */

/* Navigation buttons - From your quick_start_wizard.py */
.nav-btn {
    padding: 12px 24px;
    border-radius: var(--radius-md);
    font-size: var(--text-base);
    font-weight: var(--font-semibold);
    cursor: pointer;
    transition: var(--transition-normal);
    border: none;
    display: flex;
    align-items: center;
    gap: var(--spacing-2);
    font-family: var(--font-family);
}

.nav-btn.prev {
    background: var(--bg-glass);
    color: var(--text-light);
    border: 1px solid var(--border-medium);
}

.nav-btn.prev:hover {
    background: var(--bg-glass-hover);
    border-color: var(--border-strong);
}

.nav-btn.next {
    background: var(--primary-blue);
    color: var(--text-white);
    box-shadow: var(--shadow-button);
}

.nav-btn.next:hover {
    background: var(--primary-blue-dark);
    transform: translateY(-1px);
    box-shadow: var(--shadow-button-hover);
}

.nav-btn.calculate {
    background: linear-gradient(135deg, var(--success-green), var(--success-green-dark));
    color: var(--text-white);
    font-size: var(--text-lg);
    padding: 15px 30px;
    box-shadow: var(--shadow-button-success);
}

.nav-btn.calculate:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 25px rgba(16, 185, 129, 0.3);
}

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

/* Action buttons - From your dashboard_main.py */
.action-button {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
    padding: var(--spacing-md) var(--spacing-lg);
    background: var(--bg-glass);
    border: 1px solid var(--border-medium);
    border-radius: var(--radius-lg);
    transition: var(--transition-normal);
    cursor: pointer;
    text-align: left;
    width: 100%;
    font-size: var(--text-sm);
    color: var(--text-light);
    font-family: var(--font-family);
}

.action-button:hover {
    background: var(--bg-glass-hover);
    border-color: var(--border-strong);
    transform: translateY(-2px) translateX(5px);
    box-shadow: var(--shadow-card);
}

.action-button.primary {
    background: linear-gradient(135deg, rgba(59, 130, 246, 0.2) 0%, rgba(37, 99, 235, 0.15) 100%);
    border-color: var(--border-primary);
    box-shadow: var(--shadow-button);
}

.action-button.primary:hover {
    background: linear-gradient(135deg, rgba(59, 130, 246, 0.3) 0%, rgba(37, 99, 235, 0.25) 100%);
    box-shadow: var(--shadow-button-hover);
}

/* Menu toggle button - From your wind_sidebar.py */
.menu-toggle-btn {
    background: rgba(30, 64, 175, 0.8) !important;
    border: 1px solid rgba(59, 130, 246, 0.3) !important;
    border-radius: var(--radius-sm) !important;
    width: 40px !important;
    height: 40px !important;
    cursor: pointer !important;
    transition: var(--transition-normal) !important;
    display: flex !important;
    align-items: center !important;
    justify-content: center !important;
    padding: 0 !important;
    margin: 0 !important;
    min-width: 40px !important;
    min-height: 40px !important;
    max-width: 40px !important;
    max-height: 40px !important;
    flex-shrink: 0 !important;
    box-sizing: border-box !important;
    position: relative !important;
    overflow: visible !important;
}

.menu-toggle-btn:hover {
    background: rgba(37, 99, 235, 0.9) !important;
    border-color: rgba(59, 130, 246, 0.8) !important;
}

/* Lookup button - From your quick_start_wizard.py */
.lookup-btn {
    background: var(--primary-blue);
    color: var(--text-white);
    border: none;
    padding: 12px 16px;
    border-radius: var(--radius-md);
    cursor: pointer;
    font-weight: var(--font-semibold);
    transition: var(--transition-normal);
    white-space: nowrap;
    font-family: var(--font-family);
}

.lookup-btn:hover {
    background: var(--primary-blue-dark);
    transform: translateY(-1px);
}

/* Suggestion buttons - From your help pages */
.suggestion-button {
    background: var(--bg-glass);
    border: 1px solid var(--border-medium);
    color: var(--text-light);
    padding: 12px 16px;
    width: 100%;
    text-align: left;
    border-radius: var(--radius-sm);
    margin-bottom: var(--spacing-2);
    transition: var(--transition-fast);
    cursor: pointer;
    font-family: var(--font-family);
}

.suggestion-button:hover {
    background: var(--bg-glass-hover);
    border-color: var(--border-strong);
    color: var(--text-white);
    transform: translateX(5px);
}

/* ===== BUTTON GROUPS ===== */

/* Button group - From your existing system */
.button-group {
    display: flex;
    flex-wrap: wrap;
    gap: var(--spacing-sm);
    align-items: center;
}

.button-group button {
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 14px 24px;
    font-size: var(--text-base);
    font-weight: var(--font-semibold);
    border-radius: var(--radius-sm);
    transition: var(--transition-fast);
    border: none;
    cursor: pointer;
}

.button-group button.primary {
    background: var(--primary-blue);
    color: var(--text-white);
}

.button-group button.primary:hover {
    background: var(--primary-blue-dark);
    transform: translateY(-1px);
}

.button-group button.success {
    background: var(--success-green);
    color: var(--text-white);
}

.button-group button.success:hover {
    background: var(--success-green-dark);
    transform: translateY(-1px);
}

.button-group button.secondary {
    background: var(--bg-glass);
    color: var(--text-light);
    border: 1px solid var(--border-medium);
}

.button-group button.secondary:hover {
    background: var(--bg-glass-hover);
    border-color: var(--border-strong);
    color: var(--text-white);
}

/* Quick start buttons - From your dashboard */
.quick-start-buttons {
    display: flex;
    gap: var(--spacing-sm);
    flex-wrap: wrap;
    width: 100%;
    margin-top: var(--spacing-sm);
}

.quick-start-buttons button {
    flex: 1;
    min-width: 160px;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

/* ===== SPECIAL BUTTON STYLES ===== */

/* AI Insight buttons - From your dashboard */
.insight-button {
    background: linear-gradient(135deg, var(--purple-accent) 0%, var(--purple-accent-dark) 100%);
    color: var(--text-white);
    border: none;
    padding: 12px 24px;
    border-radius: var(--radius-md);
    font-size: var(--text-sm);
    font-weight: var(--font-semibold);
    cursor: pointer;
    transition: var(--transition-normal);
    box-shadow: 0 4px 15px rgba(139, 92, 246, 0.3);
    font-family: var(--font-family);
}

.insight-button:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 25px rgba(139, 92, 246, 0.4);
}

/* ===== RESPONSIVE DESIGN ===== */

@media (max-width: 768px) {
    .button-group {
        flex-direction: column;
        width: 100%;
    }
    
    .button-group button {
        width: 100%;
        justify-content: center;
    }
    
    .quick-start-buttons {
        flex-direction: column;
        gap: var(--spacing-2);
    }
    
    .quick-start-buttons button {
        width: 100%;
        min-width: auto;
    }
    
    .action-button {
        flex-direction: column;
        text-align: center;
        gap: var(--spacing-sm);
    }
    
    button.lg,
    .button.lg {
        padding: 14px 28px;
        font-size: var(--text-base);
    }
    
    .nav-btn {
        padding: 10px 20px;
        font-size: var(--text-sm);
    }
}

@media (max-width: 480px) {
    button {
        padding: 12px 20px;
        font-size: var(--text-sm);
    }
    
    button.sm,
    .button.sm {
        padding: 8px 12px;
        font-size: var(--text-xs);
    }
    
    .menu-toggle-btn {
        width: 36px !important;
        height: 36px !important;
        min-width: 36px !important;
        min-height: 36px !important;
        max-width: 36px !important;
        max-height: 36px !important;
    }
    
    .suggestion-button {
        padding: 10px 12px;
        font-size: var(--text-sm);
    }
}

/* ===== UTILITY CLASSES ===== */

/* Margin utilities for buttons */
.btn-mt-sm { margin-top: var(--spacing-sm); }
.btn-mt-md { margin-top: var(--spacing-md); }
.btn-mt-lg { margin-top: var(--spacing-lg); }

.btn-mb-sm { margin-bottom: var(--spacing-sm); }
.btn-mb-md { margin-bottom: var(--spacing-md); }
.btn-mb-lg { margin-bottom: var(--spacing-lg); }

/* Loading state */
.button-loading {
    position: relative;
    pointer-events: none;
}

.button-loading::after {
    content: '';
    position: absolute;
    width: 16px;
    height: 16px;
    margin: auto;
    border: 2px solid transparent;
    border-top: 2px solid var(--text-white);
    border-radius: 50%;
    animation: spin 1s linear infinite;
}

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