/*
 * ========================================
 * Button Design System - AlRaebi Auto Car
 * ========================================
 * نظام موحد لجميع الأزرار في الموقع
 * يضمن التناسق والاحترافية عبر جميع الصفحات
 */

/* ========================================
   1. BASE BUTTON STYLES (الأساسيات)
   ======================================== */

.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    font-family: 'IBM Plex Sans Arabic', 'Inter', sans-serif;
    font-weight: 600;
    text-align: center;
    text-decoration: none;
    white-space: nowrap;
    vertical-align: middle;
    user-select: none;
    border: 2px solid transparent;
    transition: all 0.3s ease;
    cursor: pointer;
    position: relative;
    overflow: hidden;
}

.btn:focus {
    outline: 0;
    box-shadow: 0 0 0 0.2rem var(--focus-shadow-color);
}

.btn:disabled,
.btn.disabled {
    opacity: 0.5;
    cursor: not-allowed;
    pointer-events: none;
}

/* ========================================
   2. BUTTON SIZES (الأحجام)
   ======================================== */

/* Small Button */
.btn-sm {
    padding: 0.4rem 0.875rem;
    font-size: 0.8125rem;
    border-radius: 8px;
    min-height: 32px;
    text-align: center;
    justify-content: center;
}

/* Regular Button (Default) */
.btn {
    padding: 0.75rem 2rem;
    font-size: 1rem;
    border-radius: 12px;
    min-height: 48px;
}

/* Large Button */
.btn-lg {
    padding: 1rem 2.5rem;
    font-size: 1.125rem;
    border-radius: 16px;
    min-height: 56px;
}

/* Extra Large Button */
.btn-xl {
    padding: 1.25rem 3rem;
    font-size: 1.25rem;
    border-radius: 20px;
    min-height: 64px;
}

/* Block Button (Full Width) */
.btn-block {
    display: flex;
    width: 100%;
}

/* ========================================
   3. PRIMARY BUTTONS (الأزرار الأساسية)
   ======================================== */

.btn-primary {
    background: linear-gradient(135deg, var(--btn-primary-bg) 0%, var(--btn-primary-hover) 100%);
    color: var(--btn-primary-text);
    border-color: transparent;
    box-shadow: 0 4px 15px var(--btn-primary-shadow);
    transition: var(--theme-transition);
}

.btn-primary:hover {
    background: linear-gradient(135deg, var(--btn-primary-hover) 0%, var(--btn-primary-active) 100%);
    box-shadow: 0 6px 20px var(--btn-primary-hover-shadow);
    transform: translateY(-2px);
}

.btn-primary:active {
    background: var(--btn-primary-active);
    box-shadow: 0 2px 10px var(--btn-primary-shadow);
    transform: translateY(0);
}

/* ========================================
   4. OUTLINE BUTTONS (أزرار الحدود)
   ======================================== */

.btn-outline-primary {
    background: transparent;
    color: var(--btn-primary-bg);
    border-color: var(--btn-primary-bg);
    box-shadow: none;
    transition: var(--theme-transition);
}

.btn-outline-primary:hover {
    background: var(--btn-primary-bg);
    color: var(--btn-primary-text);
    border-color: var(--btn-primary-bg);
    box-shadow: 0 4px 15px var(--btn-primary-shadow);
    transform: translateY(-2px);
}

.btn-outline-primary:active {
    background: var(--btn-primary-hover);
    color: var(--btn-primary-text);
    border-color: var(--btn-primary-hover);
    transform: translateY(0);
}

/* ========================================
   5. LIGHT BUTTONS (أزرار فاتحة)
   ======================================== */

.btn-light {
    background: var(--btn-light-bg);
    color: var(--btn-light-text);
    border-color: transparent;
    box-shadow: 0 4px 15px var(--btn-light-shadow);
    transition: var(--theme-transition);
}

.btn-light:hover {
    background: var(--btn-light-hover-bg);
    color: var(--btn-light-hover-text);
    box-shadow: 0 6px 20px rgba(0, 0, 0, 0.15);
    transform: translateY(-2px);
}

.btn-light:active {
    background: var(--btn-light-active-bg);
    transform: translateY(0);
}

/* ========================================
   6. OUTLINE LIGHT BUTTONS (أزرار حدود فاتحة)
   ======================================== */

.btn-outline-light {
    background: transparent;
    color: var(--btn-light-bg);
    border-color: var(--btn-light-bg);
    box-shadow: none;
    transition: var(--theme-transition);
}

.btn-outline-light:hover {
    background: var(--btn-light-bg);
    color: var(--btn-light-text);
    border-color: var(--btn-light-bg);
    box-shadow: 0 15px 40px rgba(255, 255, 255, 0.3);
    transform: translateY(-5px);
}

.btn-outline-light:active {
    background: var(--btn-light-hover-bg);
    color: var(--btn-light-text);
    transform: translateY(0);
}

/* ========================================
   7. WHITE BUTTONS (أزرار بيضاء للـ Overlay)
   ======================================== */

.btn-white {
    background: var(--btn-white-bg);
    color: var(--btn-white-text);
    border-color: transparent;
    box-shadow: 0 4px 20px var(--btn-white-shadow);
    font-weight: 700;
    transition: var(--theme-transition);
}

.btn-white:hover {
    background: var(--btn-white-hover-bg);
    color: var(--btn-white-hover-text);
    box-shadow: 0 6px 25px var(--btn-primary-hover-shadow);
    transform: translateY(-2px) scale(1.05);
}

.btn-white:active {
    background: var(--btn-white-active-bg);
    transform: translateY(0) scale(1);
}

/* ========================================
   8. SECONDARY BUTTONS (أزرار ثانوية)
   ======================================== */

.btn-secondary {
    background: var(--btn-secondary-bg);
    color: var(--btn-secondary-text);
    border-color: transparent;
    box-shadow: 0 4px 15px var(--btn-secondary-shadow);
    transition: var(--theme-transition);
}

.btn-secondary:hover {
    background: var(--btn-secondary-hover);
    box-shadow: 0 6px 20px rgba(108, 117, 125, 0.4);
    transform: translateY(-2px);
}

/* ========================================
   9. SUCCESS BUTTONS (أزرار النجاح)
   ======================================== */

.btn-success {
    background: linear-gradient(135deg, var(--btn-success-bg) 0%, var(--btn-success-bg-end) 100%);
    color: var(--btn-success-text);
    border-color: transparent;
    box-shadow: 0 4px 15px var(--btn-success-shadow);
    transition: var(--theme-transition);
}

.btn-success:hover {
    background: linear-gradient(135deg, var(--btn-success-hover) 0%, var(--btn-success-hover-end) 100%);
    box-shadow: 0 6px 20px rgba(40, 167, 69, 0.4);
    transform: translateY(-2px);
}

/* ========================================
   10. DANGER BUTTONS (أزرار التحذير)
   ======================================== */

.btn-danger {
    background: linear-gradient(135deg, var(--btn-danger-bg) 0%, var(--btn-danger-bg-end) 100%);
    color: var(--btn-danger-text);
    border-color: transparent;
    box-shadow: 0 4px 15px var(--btn-danger-shadow);
    transition: var(--theme-transition);
}

.btn-danger:hover {
    background: linear-gradient(135deg, var(--btn-danger-hover) 0%, var(--btn-danger-hover-end) 100%);
    box-shadow: 0 6px 20px rgba(220, 53, 69, 0.4);
    transform: translateY(-2px);
}

/* ========================================
   11. SPECIAL BUTTONS (أزرار خاصة)
   ======================================== */

/* Hero Buttons - للاستخدام في Hero Sections */
.btn-hero-primary {
    background: linear-gradient(135deg, var(--btn-primary-bg) 0%, var(--btn-primary-hover) 100%);
    color: var(--btn-primary-text);
    border: none;
    padding: 1rem 2.5rem;
    font-size: 1.125rem;
    border-radius: 50px;
    box-shadow: 0 8px 25px var(--btn-primary-hover-shadow);
    font-weight: 700;
    transition: var(--theme-transition);
}

.btn-hero-primary:hover {
    background: linear-gradient(135deg, var(--btn-primary-hover) 0%, var(--btn-primary-active) 100%);
    box-shadow: 0 12px 35px rgba(0, 165, 223, 0.5);
    transform: translateY(-3px);
}

.btn-hero-outline {
    background: transparent;
    color: var(--btn-light-bg);
    border: 2px solid var(--btn-light-bg);
    padding: 1rem 2.5rem;
    font-size: 1.125rem;
    border-radius: 50px;
    font-weight: 700;
    transition: var(--theme-transition);
}

.btn-hero-outline:hover {
    background: var(--btn-light-bg);
    color: var(--btn-light-text);
    box-shadow: 0 8px 25px rgba(255, 255, 255, 0.3);
    transform: translateY(-3px);
}

/* CTA Buttons - للاستخدام في Call-to-Action Sections */
.btn-cta,
.cta-btn-primary {
    background: var(--btn-white-bg) !important;
    color: var(--btn-white-text) !important;
    border: none;
    padding: 15px 40px;
    font-size: 1rem;
    border-radius: 50px;
    box-shadow: 0 8px 25px rgba(255, 255, 255, 0.2);
    font-weight: 600;
    display: inline-flex;
    align-items: center;
    gap: 10px;
    transition: var(--theme-transition);
}

.btn-cta:hover,
.cta-btn-primary:hover {
    background: var(--btn-white-bg) !important;
    color: var(--btn-white-hover-bg) !important;
    box-shadow: 0 15px 40px rgba(255, 255, 255, 0.3);
    transform: translateY(-5px);
}

.cta-btn-primary i {
    color: inherit !important;
}

/* CTA Secondary Button - زر ثانوي للـ CTA */
.cta-btn-secondary {
    background: transparent !important;
    color: #ffffff !important;
    border: 2px solid #ffffff !important;
    padding: 15px 40px;
    font-size: 1rem;
    border-radius: 50px;
    font-weight: 600;
    display: inline-flex;
    align-items: center;
    gap: 10px;
    transition: var(--theme-transition);
}

.cta-btn-secondary:hover {
    background: #ffffff !important;
    color: var(--color-primary) !important;
    border-color: #ffffff !important;
    transform: translateY(-5px);
}

.cta-btn-secondary i {
    color: inherit !important;
}

/* Product Buttons - للاستخدام في بطاقات المنتجات */
.btn-product {
    background: var(--btn-light-bg);
    color: var(--btn-primary-bg);
    border: 2px solid var(--btn-primary-bg);
    padding: 0.75rem 1.5rem;
    font-size: 0.95rem;
    border-radius: 12px;
    font-weight: 600;
    transition: var(--theme-transition);
}

.btn-product:hover {
    background: var(--btn-primary-bg);
    color: var(--btn-primary-text);
    border-color: var(--btn-primary-bg);
    box-shadow: 0 6px 20px var(--btn-primary-shadow);
    transform: translateY(-2px);
}

/* ========================================
   12. ICON BUTTONS (أزرار مع أيقونات)
   ======================================== */

.btn i {
    font-size: 1em;
}

.btn-icon-left i {
    margin-left: 0.5rem;
}

.btn-icon-right i {
    margin-right: 0.5rem;
}

.btn-icon-only {
    padding: 0.75rem;
    min-width: 48px;
    aspect-ratio: 1;
}

.btn-icon-only.btn-sm {
    padding: 0.5rem;
    min-width: 36px;
}

.btn-icon-only.btn-lg {
    padding: 1rem;
    min-width: 56px;
}

/* ========================================
   13. BUTTON GROUPS (مجموعات الأزرار)
   ======================================== */

.btn-group {
    display: inline-flex;
    gap: 1rem;
    flex-wrap: wrap;
}

.btn-group-vertical {
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
}

/* ========================================
   14. LOADING STATE (حالة التحميل)
   ======================================== */

.btn-loading {
    position: relative;
    color: transparent !important;
    pointer-events: none;
}

.btn-loading::after {
    content: "";
    position: absolute;
    width: 16px;
    height: 16px;
    top: 50%;
    left: 50%;
    margin-left: -8px;
    margin-top: -8px;
    border: 2px solid transparent;
    border-top-color: currentColor;
    border-radius: 50%;
    animation: btn-spin 0.6s linear infinite;
}

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

/* ========================================
   15. RESPONSIVE ADJUSTMENTS (تعديلات الشاشات)
   ======================================== */

@media (max-width: 768px) {
    .btn-lg {
        padding: 0.875rem 2rem;
        font-size: 1rem;
        min-height: 48px;
    }
    
    .btn-xl {
        padding: 1rem 2.25rem;
        font-size: 1.125rem;
        min-height: 56px;
    }
    
    .btn-hero-primary,
    .btn-hero-outline {
        padding: 0.875rem 2rem;
        font-size: 1rem;
    }
    
    .btn-cta {
        padding: 1rem 2rem;
        font-size: 1.125rem;
    }
}

@media (max-width: 576px) {
    .btn {
        padding: 0.625rem 1.5rem;
        font-size: 0.9375rem;
    }
    
    .btn-lg {
        padding: 0.75rem 1.75rem;
        font-size: 0.9375rem;
    }
    
    .btn-group {
        width: 100%;
    }
    
    .btn-group .btn {
        flex: 1;
    }
}

/* ========================================
   16. RTL SUPPORT (دعم العربية)
   ======================================== */

[dir="rtl"] .btn-icon-left i {
    margin-left: 0;
    margin-right: 0.5rem;
}

[dir="rtl"] .btn-icon-right i {
    margin-right: 0;
    margin-left: 0.5rem;
}

/* ========================================
   17. ACCESSIBILITY (إمكانية الوصول)
   ======================================== */

.btn:focus-visible {
    outline: 3px solid var(--focus-shadow-color);
    outline-offset: 2px;
}

@media (prefers-reduced-motion: reduce) {
    .btn {
        transition: none;
    }
}

/* ========================================
   18. PRINT STYLES (أنماط الطباعة)
   ======================================== */

@media print {
    .btn {
        border: 1px solid var(--color-text);
        box-shadow: none;
    }
}