/* متغيرات CSS محسنة */
:root {
    /* الألوان الأساسية */
    --primary-green: #00d4aa;
    --primary-green-dark: #00b894;
    --primary-green-light: #00e6c3;
    --secondary-blue: #0984e3;
    --accent-purple: #6c5ce7;
    
    /* ألوان الخلفية */
    --bg-primary: #1a1a2e;
    --bg-secondary: #16213e;
    --bg-tertiary: #0f3460;
    --bg-glass: rgba(255, 255, 255, 0.05);
    --bg-glass-hover: rgba(255, 255, 255, 0.1);
    
    /* ألوان النص */
    --text-white: #ffffff;
    --text-light-gray: #b2bec3;
    --text-dark-gray: #636e72;
    --text-muted: rgba(255, 255, 255, 0.7);
    
    /* ألوان الحالة */
    --success-color: #00b894;
    --warning-color: #fdcb6e;
    --error-color: #e17055;
    --info-color: #74b9ff;
    
    /* ألوان البطاقات */
    --card-bg: rgba(255, 255, 255, 0.08);
    --card-border: rgba(255, 255, 255, 0.12);
    --card-hover: rgba(255, 255, 255, 0.15);
    
    /* ألوان الأسعار */
    --buy-color: #00b894;
    --sell-color: #fdcb6e;
    
    /* الظلال */
    --shadow-small: 0 2px 8px rgba(0, 0, 0, 0.1);
    --shadow-medium: 0 4px 20px rgba(0, 0, 0, 0.15);
    --shadow-large: 0 8px 32px rgba(0, 0, 0, 0.2);
    --shadow-xl: 0 12px 48px rgba(0, 0, 0, 0.25);
    --shadow-color: rgba(0, 0, 0, 0.3);
    --shadow-glow: 0 0 20px rgba(0, 212, 170, 0.3);
    
    /* نصف الأقطار */
    --border-radius-small: 8px;
    --border-radius-medium: 12px;
    --border-radius-large: 16px;
    --border-radius-xl: 24px;
    
    /* الانتقالات */
    --transition-fast: 0.2s;
    --transition-medium: 0.3s;
    --transition-slow: 0.5s;
    --transition-spring: cubic-bezier(0.68, -0.55, 0.265, 1.55);
    --transition-smooth: cubic-bezier(0.4, 0, 0.2, 1);
    
    /* المساحات */
    --spacing-xs: 4px;
    --spacing-sm: 8px;
    --spacing-md: 16px;
    --spacing-lg: 24px;
    --spacing-xl: 32px;
    --spacing-2xl: 48px;
}

/* إعادة تعيين أساسية محسنة */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
    font-size: 16px;
}

body {
    font-family: 'Cairo', 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    background: linear-gradient(135deg, var(--bg-primary) 0%, var(--bg-secondary) 50%, var(--bg-tertiary) 100%);
    background-attachment: fixed;
    color: var(--text-white);
    line-height: 1.6;
    min-height: 100vh;
    overflow-x: hidden;
    position: relative;
}

/* تأثير الخلفية المتحركة */
body::before {
    content: '';
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: 
        radial-gradient(circle at 20% 80%, rgba(0, 212, 170, 0.1) 0%, transparent 50%),
        radial-gradient(circle at 80% 20%, rgba(116, 185, 255, 0.1) 0%, transparent 50%),
        radial-gradient(circle at 40% 40%, rgba(108, 92, 231, 0.1) 0%, transparent 50%);
    pointer-events: none;
    z-index: -1;
    animation: backgroundFloat 20s ease-in-out infinite;
}

@keyframes backgroundFloat {
    0%, 100% { transform: translateY(0px) rotate(0deg); }
    50% { transform: translateY(-20px) rotate(1deg); }
}

/* الحاوي الرئيسي */
.main-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: var(--spacing-lg);
    position: relative;
    z-index: 1;
}

/* الرأس المحسن */
.header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: var(--spacing-xl);
    margin-bottom: var(--spacing-2xl);
    background: var(--card-bg);
    border-radius: var(--border-radius-xl);
    border: 1px solid var(--card-border);
    box-shadow: var(--shadow-large);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    position: relative;
    overflow: hidden;
}

.header::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(135deg, rgba(255, 255, 255, 0.1) 0%, transparent 50%, rgba(255, 255, 255, 0.05) 100%);
    pointer-events: none;
}

.logo-section {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
    position: relative;
    z-index: 1;
}

.logo {
    width: 60px;
    height: 60px;
    object-fit: contain;
    border-radius: var(--border-radius-medium);
    box-shadow: var(--shadow-medium);
    transition: transform var(--transition-medium) var(--transition-spring);
}

.logo:hover {
    transform: scale(1.1) rotate(5deg);
}

.brand-text {
    display: flex;
    flex-direction: column;
}

.brand-name {
    font-size: 2rem;
    font-weight: 700;
    background: linear-gradient(135deg, var(--primary-green), var(--primary-green-light));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    margin-bottom: var(--spacing-xs);
}

.brand-subtitle {
    font-size: 0.9rem;
    color: var(--text-muted);
    font-weight: 400;
}

/* زر تبديل الوضع محسن */
.theme-toggle {
    background: var(--card-bg);
    border: 1px solid var(--card-border);
    border-radius: 50%;
    width: 50px;
    height: 50px;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    font-size: 1.5rem;
    color: var(--text-white);
    transition: all var(--transition-medium) var(--transition-spring);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    position: relative;
    overflow: hidden;
}

.theme-toggle::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(135deg, var(--primary-green), var(--secondary-blue));
    opacity: 0;
    transition: opacity var(--transition-medium);
}

.theme-toggle:hover {
    transform: scale(1.1);
    box-shadow: var(--shadow-glow);
}

.theme-toggle:hover::before {
    opacity: 0.2;
}

.theme-icon {
    position: relative;
    z-index: 1;
    transition: transform var(--transition-medium);
}

.theme-toggle:hover .theme-icon {
    transform: rotate(180deg);
}

/* العنوان الرئيسي محسن */
.main-title-section {
    text-align: center;
    margin-bottom: var(--spacing-2xl);
    padding: var(--spacing-xl);
    background: var(--card-bg);
    border-radius: var(--border-radius-xl);
    border: 1px solid var(--card-border);
    box-shadow: var(--shadow-large);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    position: relative;
    overflow: hidden;
}

.main-title-section::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(135deg, rgba(0, 212, 170, 0.1) 0%, transparent 50%, rgba(116, 185, 255, 0.1) 100%);
    pointer-events: none;
}

.main-title {
    font-size: 2.5rem;
    font-weight: 800;
    margin-bottom: var(--spacing-md);
    position: relative;
    z-index: 1;
}

.highlight {
    background: linear-gradient(135deg, var(--primary-green), var(--secondary-blue), var(--accent-purple));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    background-size: 200% 200%;
    animation: gradientShift 3s ease-in-out infinite;
}

@keyframes gradientShift {
    0%, 100% { background-position: 0% 50%; }
    50% { background-position: 100% 50%; }
}

.date-info {
    font-size: 1.2rem;
    color: var(--text-white);
    font-weight: 500;
    position: relative;
    z-index: 1;
}

/* أقسام محسنة */
.currencies-section,
.gold-section,
.converter-section {
    margin-bottom: var(--spacing-2xl);
}

.section-header {
    text-align: center;
    margin-bottom: var(--spacing-xl);
}

.section-title {
    display: inline-block;
    font-size: 1.8rem;
    font-weight: 700;
    padding: var(--spacing-md) var(--spacing-xl);
    background: linear-gradient(135deg, var(--primary-green), var(--primary-green-dark));
    color: white;
    border-radius: var(--border-radius-xl);
    box-shadow: var(--shadow-medium);
    margin-bottom: var(--spacing-md);
    position: relative;
    overflow: hidden;
    transition: all var(--transition-medium) var(--transition-spring);
}

.section-title::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 var(--transition-slow);
}

.section-title:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-xl);
}

.section-title:hover::before {
    left: 100%;
}

.currency-note {
    font-size: 1rem;
    color: var(--text-muted);
    font-weight: 500;
}

/* شبكة العملات محسنة */
.currencies-grid,
.gold-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: var(--spacing-lg);
    margin-bottom: var(--spacing-xl);
}

/* بطاقات العملات محسنة - تخطيط 4 مربعات */
.currency-card-four-box {
    background: var(--card-bg);
    border-radius: var(--border-radius-large);
    border: 1px solid var(--card-border);
    padding: var(--spacing-md);
    box-shadow: var(--shadow-medium);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    transition: all var(--transition-medium) var(--transition-spring);
    position: relative;
    overflow: hidden;
    cursor: pointer;
    display: grid;
    grid-template-columns: 1fr 1fr;
    grid-template-rows: auto auto;
    gap: var(--spacing-md);
    align-items: center;
    justify-items: center;
    text-align: center;
}

.currency-card-four-box::before {
    content: \'\';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(135deg, rgba(255, 255, 255, 0.1) 0%, transparent 50%, rgba(255, 255, 255, 0.05) 100%);
    opacity: 0;
    transition: opacity var(--transition-medium);
    pointer-events: none;
}

.currency-card-four-box:hover {
    transform: translateY(-8px) scale(1.02);
    box-shadow: var(--shadow-xl);
    border-color: var(--primary-green);
}

.currency-card-four-box:hover::before {
    opacity: 1;
}

.currency-name-box {
    grid-column: 1 / -1;
    font-size: 1.4rem;
    font-weight: 700;
    color: var(--text-white);
    text-shadow: 0 2px 4px var(--shadow-color);
    width: 100%;
    padding: var(--spacing-sm);
    background: rgba(255, 255, 255, 0.08);
    border-radius: var(--border-radius-medium);
}

.rate-box-four-box {
    padding: var(--spacing-md);
    border-radius: var(--border-radius-medium);
    width: 100%;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    transition: all var(--transition-medium);
}

.sell-box {
    background: linear-gradient(135deg, rgba(253, 203, 110, 0.2), rgba(253, 203, 110, 0.1));
    border: 1px solid rgba(253, 203, 110, 0.3);
}

.buy-box {
    background: linear-gradient(135deg, rgba(0, 184, 148, 0.2), rgba(0, 184, 148, 0.1));
    border: 1px solid rgba(0, 184, 148, 0.3);
}

.rate-label-four-box {
    font-size: 1.1rem; /* Increased font size */
    font-weight: 600;
    color: var(--text-light-gray);
    margin-bottom: var(--spacing-xs);
}

.rate-value-four-box {
    font-size: 1.2rem;
    font-weight: 700;
    color: var(--text-white);
    text-shadow: 0 1px 2px var(--shadow-color);
}

.currency-flag-box-new {
    grid-column: 1 / -1;
    font-size: 3rem;
    margin-top: var(--spacing-md);
    position: relative;
    z-index: 1;
    width: 100%;
    padding: var(--spacing-sm);
    background: rgba(255, 255, 255, 0.08);
    border-radius: var(--border-radius-medium);
    display: flex;
    justify-content: center;
    align-items: center;
}

/* بطاقات الذهب */
.gold-price {
    text-align: center;
    margin-bottom: var(--spacing-lg);
}

.price-value {
    font-size: 2rem;
    font-weight: 800;
    background: linear-gradient(135deg, var(--warning-color), #f39c12);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

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

.gold-name {
    font-size: 1.3rem;
    font-weight: 600;
    color: var(--text-white);
    margin-bottom: var(--spacing-xs);
}

.gold-weight {
    font-size: 0.9rem;
    color: var(--text-muted);
    font-weight: 500;
}

/* محول العملات محسن */
.converter-section {
    margin-bottom: var(--spacing-2xl);
}

.converter-container {
    background: var(--card-bg);
    border-radius: var(--border-radius-xl);
    border: 1px solid var(--card-border);
    padding: var(--spacing-xl);
    box-shadow: var(--shadow-large);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    position: relative;
    overflow: hidden;
}

.converter-container::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(135deg, rgba(0, 212, 170, 0.1) 0%, transparent 50%, rgba(116, 185, 255, 0.1) 100%);
    pointer-events: none;
}

.converter-grid {
    display: grid;
    grid-template-columns: 1fr auto 1fr;
    grid-template-rows: auto auto auto;
    gap: var(--spacing-lg);
    align-items: end;
    position: relative;
    z-index: 1;
}

.currency-input-group {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-sm);
}

.currency-label {
    font-size: 1.1rem;
    font-weight: 600;
    color: var(--text-white);
    margin-bottom: var(--spacing-xs);
}

.currency-select,
.amount-input {
    background: rgba(255, 255, 255, 0.1);
    border: 1px solid var(--card-border);
    border-radius: var(--border-radius-medium);
    padding: var(--spacing-md);
    color: var(--text-white);
    font-size: 1rem;
    font-weight: 500;
    transition: all var(--transition-medium);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    height: 50px; /* Fixed height for alignment */
}

.currency-select:focus,
.amount-input:focus {
    outline: none;
    border-color: var(--primary-green);
    box-shadow: 0 0 0 3px rgba(0, 212, 170, 0.2);
    background: rgba(255, 255, 255, 0.15);
}

.currency-select option {
    background: var(--bg-secondary);
    color: var(--text-white);
    padding: var(--spacing-sm);
}

.swap-button {
    background: linear-gradient(135deg, var(--primary-green), var(--primary-green-dark));
    border: none;
    border-radius: 50%;
    width: 50px;
    height: 50px;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    font-size: 1.5rem;
    color: white;
    transition: all var(--transition-medium) var(--transition-spring);
    box-shadow: var(--shadow-medium);
    position: relative;
    overflow: hidden;
    align-self: center;
    grid-row: 2;
}

.swap-button::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(135deg, rgba(255, 255, 255, 0.2), transparent);
    opacity: 0;
    transition: opacity var(--transition-medium);
}

.swap-button:hover {
    transform: scale(1.1) rotate(180deg);
    box-shadow: var(--shadow-glow);
}

.swap-button:hover::before {
    opacity: 1;
}

.amount-group {
    grid-column: 1 / -1;
    display: flex;
    flex-direction: column;
    gap: var(--spacing-sm);
}

.amount-input-container {
    position: relative;
    display: flex;
    align-items: center;
}

.amount-icon {
    position: absolute;
    left: var(--spacing-md);
    font-size: 1.2rem;
    color: var(--primary-green);
    z-index: 1;
}

.amount-input {
    padding-left: calc(var(--spacing-md) + 30px); /* Space for icon */
    width: 100%;
}

.convert-button {
    background: linear-gradient(135deg, var(--primary-green), var(--secondary-blue));
    border: none;
    border-radius: var(--border-radius-medium);
    padding: var(--spacing-md) var(--spacing-xl);
    color: white;
    font-size: 1.1rem;
    font-weight: 600;
    cursor: pointer;
    transition: all var(--transition-medium) var(--transition-spring);
    box-shadow: var(--shadow-medium);
    position: relative;
    overflow: hidden;
    grid-column: 1 / -1;
    height: 50px; /* Same height as inputs */
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-sm);
}

.convert-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 var(--transition-slow);
}

.convert-button:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-xl);
}

.convert-button:hover::before {
    left: 100%;
}

.convert-icon {
    transition: transform var(--transition-medium);
}

.convert-button:hover .convert-icon {
    transform: rotate(360deg);
}

.result-section {
    grid-column: 1 / -1;
    margin-top: var(--spacing-lg);
    padding: var(--spacing-lg);
    background: rgba(255, 255, 255, 0.05);
    border-radius: var(--border-radius-medium);
    border: 1px solid rgba(255, 255, 255, 0.1);
    text-align: center;
}

.result-label {
    font-size: 1rem;
    color: var(--text-muted);
    margin-bottom: var(--spacing-sm);
}

.result-value {
    font-size: 2rem;
    font-weight: 800;
    background: linear-gradient(135deg, var(--primary-green), var(--secondary-blue));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    margin-bottom: var(--spacing-sm);
}

.result-info {
    font-size: 0.9rem;
    color: var(--text-muted);
    line-height: 1.4;
}

.result-loading {
    display: none;
    font-size: 1rem;
    color: var(--primary-green);
    animation: pulse 1.5s ease-in-out infinite;
}

@keyframes pulse {
    0%, 100% { opacity: 1; }
    50% { opacity: 0.5; }
}

/* تحسينات للشاشات الصغيرة */
@media (max-width: 768px) {
    .converter-grid {
        grid-template-columns: 1fr;
        grid-template-rows: auto auto auto auto auto;
        gap: var(--spacing-md);
    }
    
    .swap-button {
        grid-row: 3;
        justify-self: center;
    }
    
    .amount-group {
        grid-column: 1;
        order: 3;
    }
    
    .convert-button {
        grid-column: 1;
        order: 4;
    }
    
    .result-section {
        grid-column: 1;
        order: 5;
    }
}
.converter-section {
    position: relative;
}

.converter-card {
    background: var(--card-bg);
    border-radius: var(--border-radius-xl);
    border: 1px solid var(--card-border);
    padding: var(--spacing-2xl);
    box-shadow: var(--shadow-large);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    position: relative;
    overflow: hidden;
}

.converter-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(135deg, rgba(0, 212, 170, 0.1) 0%, transparent 50%, rgba(116, 185, 255, 0.1) 100%);
    pointer-events: none;
}

.converter-title {
    text-align: center;
    font-size: 2rem;
    font-weight: 700;
    margin-bottom: var(--spacing-xl);
    background: linear-gradient(135deg, var(--primary-green), var(--secondary-blue));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    position: relative;
    z-index: 1;
}

.converter-content {
    position: relative;
    z-index: 1;
}

.converter-row {
    display: grid;
    grid-template-columns: 1fr auto 1fr;
    gap: var(--spacing-lg);
    align-items: end;
    margin-bottom: var(--spacing-xl);
}

.currency-select-group,
.amount-input-group,
.result-group {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-sm);
}

.input-label {
    font-size: 1rem;
    font-weight: 600;
    color: var(--text-white);
    margin-bottom: var(--spacing-sm);
    position: relative;
}

.input-label::after {
    content: '';
    position: absolute;
    bottom: -4px;
    left: 0;
    width: 30px;
    height: 2px;
    background: linear-gradient(90deg, var(--primary-green), var(--secondary-blue));
    border-radius: 1px;
}

/* حقول الإدخال المحسنة */
.currency-select,
.amount-input {
    width: 100%;
    padding: var(--spacing-md) var(--spacing-lg);
    border-radius: var(--border-radius-medium);
    border: 2px solid var(--card-border);
    background: rgba(255, 255, 255, 0.05);
    color: var(--text-white);
    font-size: 1.1rem;
    font-weight: 500;
    outline: none;
    transition: all var(--transition-medium) var(--transition-spring);
    position: relative;
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
}

.currency-select:focus,
.amount-input:focus {
    border-color: var(--primary-green);
    background: rgba(255, 255, 255, 0.1);
    box-shadow: 0 0 0 4px rgba(0, 212, 170, 0.2);
    transform: translateY(-2px);
}

.currency-select:hover,
.amount-input:hover {
    border-color: var(--primary-green-light);
    background: rgba(255, 255, 255, 0.08);
}

/* تحسين القوائم المنسدلة */
.currency-select {
    cursor: pointer;
    appearance: none;
    background-image: url("data:image/svg+xml,%3csvg xmlns='http://www.w3.org/2000/svg' fill='none' viewBox='0 0 20 20'%3e%3cpath stroke='%2300d4aa' stroke-linecap='round' stroke-linejoin='round' stroke-width='1.5' d='M6 8l4 4 4-4'/%3e%3c/svg%3e");
    background-position: left 12px center;
    background-repeat: no-repeat;
    background-size: 16px;
    padding-left: 40px;
    font-family: 'Cairo', 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    font-weight: 600;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
    min-width: 200px;
}

.currency-select option {
    background: var(--bg-secondary);
    color: var(--text-white);
    padding: var(--spacing-sm);
    font-family: 'Cairo', 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    font-weight: 500;
    white-space: nowrap;
}

/* زر التبديل المحسن */
.swap-row {
    display: flex;
    align-items: center;
    justify-content: center;
}

.swap-button {
    background: linear-gradient(135deg, var(--primary-green), var(--primary-green-dark));
    color: var(--text-white);
    border: none;
    border-radius: 50%;
    width: 60px;
    height: 60px;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    font-size: 1.5rem;
    box-shadow: var(--shadow-medium);
    transition: all var(--transition-medium) var(--transition-spring);
    position: relative;
    overflow: hidden;
}

.swap-button::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(135deg, var(--secondary-blue), var(--accent-purple));
    opacity: 0;
    transition: opacity var(--transition-medium);
}

.swap-button:hover {
    transform: scale(1.1) rotate(180deg);
    box-shadow: var(--shadow-glow);
}

.swap-button:hover::before {
    opacity: 1;
}

.swap-button svg {
    position: relative;
    z-index: 1;
    transition: transform var(--transition-medium);
}

.swap-button:active {
    transform: scale(0.95) rotate(180deg);
}

/* عرض النتيجة المحسن */
.result-display {
    padding: var(--spacing-lg);
    border-radius: var(--border-radius-medium);
    background: linear-gradient(135deg, rgba(0, 184, 148, 0.2), rgba(116, 185, 255, 0.2));
    border: 2px solid rgba(0, 212, 170, 0.3);
    font-size: 1.8rem;
    font-weight: 700;
    text-align: center;
    color: var(--text-white);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    position: relative;
    overflow: hidden;
    min-height: 60px;
    display: flex;
    align-items: center;
    justify-content: center;
    word-break: break-all;
    white-space: nowrap;
    overflow-x: auto;
    font-family: 'Cairo', 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
}

.result-display::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.2), transparent);
    animation: shimmer 2s infinite;
}

@keyframes shimmer {
    0% { left: -100%; }
    100% { left: 100%; }
}

/* التذييل المحسن */
.footer {
    text-align: center;
    padding: var(--spacing-xl);
    margin-top: var(--spacing-2xl);
    background: var(--card-bg);
    border-radius: var(--border-radius-xl);
    border: 1px solid var(--card-border);
    box-shadow: var(--shadow-large);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    position: relative;
    overflow: hidden;
}

.footer::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(135deg, rgba(255, 255, 255, 0.05) 0%, transparent 50%, rgba(255, 255, 255, 0.02) 100%);
    pointer-events: none;
}

.footer-content {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-md);
    margin-bottom: var(--spacing-lg);
    position: relative;
    z-index: 1;
}

.footer-note {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-sm);
    font-size: 0.9rem;
    color: var(--text-muted);
}

.check-icon {
    color: var(--success-color);
    font-weight: 700;
}

.footer-stats {
    position: relative;
    z-index: 1;
}

.stat-item {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-sm);
    font-size: 0.9rem;
}

.stat-label {
    color: var(--text-muted);
}

.stat-value {
    color: var(--primary-green);
    font-weight: 600;
}

/* نظام الإشعارات المحسن */
.notifications-container {
    position: fixed;
    top: 20px;
    right: 20px;
    z-index: 1000;
    display: flex;
    flex-direction: column;
    gap: var(--spacing-sm);
}

.notification {
    background: var(--card-bg);
    border-radius: var(--border-radius-medium);
    padding: var(--spacing-md) var(--spacing-lg);
    border: 1px solid var(--card-border);
    box-shadow: var(--shadow-large);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    opacity: 0;
    transform: translateX(100%);
    animation: slideIn var(--transition-medium) forwards, fadeOut var(--transition-medium) 2.5s forwards;
    position: relative;
    overflow: hidden;
}

.notification::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 4px;
    height: 100%;
    background: var(--primary-green);
}

.notification-success::before {
    background: var(--success-color);
}

.notification-error::before {
    background: var(--error-color);
}

.notification-info::before {
    background: var(--info-color);
}

.notification-message {
    color: var(--text-white);
    font-size: 0.9rem;
    font-weight: 500;
}

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

@keyframes fadeOut {
    to {
        opacity: 0;
        transform: translateX(100%);
    }
}

/* تحسينات الاستجابة */
@media (max-width: 768px) {
    .main-container {
        padding: var(--spacing-md);
    }
    
    .header {
        flex-direction: column;
        gap: var(--spacing-lg);
        text-align: center;
    }
    
    .main-title {
        font-size: 2rem;
    }
    
    .section-title {
        font-size: 1.5rem;
        padding: var(--spacing-sm) var(--spacing-lg);
    }
    
    .currencies-grid,
    .gold-grid {
        grid-template-columns: 1fr;
        gap: var(--spacing-md);
    }
    
    .currency-card,
    .gold-card {
        padding: var(--spacing-lg);
    }
    
    .converter-row {
        grid-template-columns: 1fr;
        gap: var(--spacing-lg);
    }
    
    .swap-row {
        order: 3;
        margin: var(--spacing-md) 0;
    }
    
    .notifications-container {
        width: calc(100% - 40px);
        right: 20px;
        left: 20px;
    }
}

@media (max-width: 480px) {
    .main-title {
        font-size: 1.8rem;
    }
    
    .brand-name {
        font-size: 1.5rem;
    }
    
    .currency-card,
    .gold-card {
        padding: var(--spacing-md);
    }
    
    .converter-card {
        padding: var(--spacing-lg);
    }
    
    .currency-select,
    .amount-input {
        font-size: 1rem;
        padding: var(--spacing-sm) var(--spacing-md);
    }
    
    .result-display {
        font-size: 1.5rem;
        padding: var(--spacing-md);
    }
}

/* تحسينات إضافية للتفاعل */
.currency-card:active,
.gold-card:active {
    transform: translateY(-4px) scale(1.01);
}

.rate-box:active {
    transform: scale(0.98);
}

.swap-button:focus {
    outline: 2px solid var(--primary-green);
    outline-offset: 2px;
}

.currency-select:focus,
.amount-input:focus {
    outline: none;
}

/* تأثيرات التحميل */
.loading {
    position: relative;
    overflow: hidden;
}

.loading::after {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.2), transparent);
    animation: loading 1.5s infinite;
}

@keyframes loading {
    0% { left: -100%; }
    100% { left: 100%; }
}

/* تحسينات إمكانية الوصول */
@media (prefers-reduced-motion: reduce) {
    * {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
    }
}

/* تحسينات للطباعة */
@media print {
    body {
        background: white;
        color: black;
    }
    
    .theme-toggle,
    .swap-button,
    .notifications-container {
        display: none;
    }
    
    .currency-card,
    .gold-card,
    .converter-card {
        break-inside: avoid;
        box-shadow: none;
        border: 1px solid #ccc;
    }
}


/* تحسينات إضافية للحقول */
.field-hint {
    font-size: 0.8rem;
    color: var(--text-muted);
    margin-top: var(--spacing-xs);
    opacity: 0.8;
    transition: opacity var(--transition-medium);
}

.field-error {
    font-size: 0.8rem;
    color: var(--error-color);
    margin-top: var(--spacing-xs);
    display: flex;
    align-items: center;
    gap: var(--spacing-xs);
}

.field-error::before {
    content: '⚠️';
    font-size: 0.9rem;
}

.input-wrapper {
    position: relative;
    display: flex;
    align-items: center;
}

.input-icon {
    position: absolute;
    right: var(--spacing-md);
    font-size: 1.2rem;
    pointer-events: none;
    opacity: 0.7;
    transition: opacity var(--transition-medium);
}

.amount-input:focus + .input-icon {
    opacity: 1;
}

/* تحسينات عرض النتيجة */
.result-value {
    display: block;
    transition: all var(--transition-medium);
}

.result-loading {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
}

.loading-spinner {
    width: 24px;
    height: 24px;
    border: 3px solid rgba(255, 255, 255, 0.3);
    border-top: 3px solid var(--primary-green);
    border-radius: 50%;
    animation: spin 1s linear infinite;
}

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

/* معلومات المحول */
.converter-info {
    margin-top: var(--spacing-xl);
    padding: var(--spacing-lg);
    background: rgba(255, 255, 255, 0.03);
    border-radius: var(--border-radius-medium);
    border: 1px solid rgba(255, 255, 255, 0.08);
    display: flex;
    flex-direction: column;
    gap: var(--spacing-sm);
}

.rate-info,
.last-update {
    display: flex;
    justify-content: space-between;
    align-items: center;
    font-size: 0.9rem;
}

.rate-label,
.update-label {
    color: var(--text-muted);
    font-weight: 500;
}

.rate-value {
    color: var(--primary-green);
    font-weight: 600;
}

.update-time {
    color: var(--text-white);
    font-weight: 500;
}

/* حالات التحقق من صحة البيانات */
.amount-input.error {
    border-color: var(--error-color);
    box-shadow: 0 0 0 4px rgba(225, 112, 85, 0.2);
}

.amount-input.success {
    border-color: var(--success-color);
    box-shadow: 0 0 0 4px rgba(0, 184, 148, 0.2);
}

.currency-select.loading {
    background-image: 
        url("data:image/svg+xml,%3csvg xmlns='http://www.w3.org/2000/svg' fill='none' viewBox='0 0 20 20'%3e%3cpath stroke='%2300d4aa' stroke-linecap='round' stroke-linejoin='round' stroke-width='1.5' d='M6 8l4 4 4-4'/%3e%3c/svg%3e"),
        linear-gradient(45deg, transparent 30%, rgba(255,255,255,0.1) 50%, transparent 70%);
    background-position: left 12px center, 0 0;
    background-size: 16px, 200% 100%;
    animation: shimmerSelect 1.5s infinite;
}

@keyframes shimmerSelect {
    0% { background-position: left 12px center, -200% 0; }
    100% { background-position: left 12px center, 200% 0; }
}

/* تحسينات الاستجابة للعناصر الجديدة */
@media (max-width: 768px) {
    .converter-info {
        padding: var(--spacing-md);
    }
    
    .rate-info,
    .last-update {
        flex-direction: column;
        align-items: flex-start;
        gap: var(--spacing-xs);
    }
    
    .input-icon {
        right: var(--spacing-sm);
        font-size: 1rem;
    }
}

@media (max-width: 480px) {
    .field-hint,
    .field-error {
        font-size: 0.75rem;
    }
    
    .converter-info {
        margin-top: var(--spacing-lg);
        padding: var(--spacing-sm);
    }
    
    .rate-info,
    .last-update {
        font-size: 0.8rem;
    }
}

/* تأثيرات تفاعلية إضافية */
.currency-select-group:hover .field-hint,
.amount-input-group:hover .field-hint {
    opacity: 1;
}

.input-wrapper:hover .input-icon {
    opacity: 1;
    transform: scale(1.1);
}

/* تحسينات إمكانية الوصول */
.currency-select:focus,
.amount-input:focus {
    outline: 2px solid var(--primary-green);
    outline-offset: 2px;
}

@media (prefers-reduced-motion: reduce) {
    .loading-spinner {
        animation: none;
    }
    
    .shimmerSelect {
        animation: none;
    }
}

/* تحسينات للوضع المظلم */
@media (prefers-color-scheme: dark) {
    :root {
        --bg-primary: #0a0a0f;
        --bg-secondary: #0f0f1a;
        --bg-tertiary: #1a1a2e;
    }
}

/* تحسينات للطباعة */
@media print {
    .field-hint,
    .field-error,
    .converter-info {
        display: none;
    }
    
    .input-wrapper {
        border: 1px solid #ccc;
        border-radius: 4px;
        padding: 8px;
    }
    
    .input-icon {
        display: none;
    }
}



.currency-symbol-four-box {
    font-size: 1.2rem;
    font-weight: 600;
    color: var(--text-light-gray);
    margin-left: var(--spacing-xs);
}






body {
    background-image: url("background.webp");
    background-size: cover;
    background-position: center;
    background-attachment: fixed;
    background-blend-mode: overlay;
    background-color: rgba(0, 0, 0, 0.5); /* Dark overlay for transparency */
}



/* زر التحويل الجديد */
.convert-button-group {
    display: flex;
    align-items: center;
    justify-content: center;
}

.convert-button {
    background: linear-gradient(135deg, var(--primary-green), var(--primary-green-dark));
    color: var(--text-white);
    border: none;
    border-radius: var(--border-radius-medium);
    padding: var(--spacing-md) var(--spacing-xl);
    font-size: 1.1rem;
    font-weight: 600;
    cursor: pointer;
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    box-shadow: var(--shadow-medium);
    transition: all var(--transition-medium) var(--transition-spring);
    position: relative;
    overflow: hidden;
    min-width: 120px;
    justify-content: center;
}

.convert-button::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(135deg, var(--secondary-blue), var(--accent-purple));
    opacity: 0;
    transition: opacity var(--transition-medium);
}

.convert-button:hover {
    transform: translateY(-2px) scale(1.05);
    box-shadow: var(--shadow-glow);
}

.convert-button:hover::before {
    opacity: 1;
}

.convert-button:active {
    transform: translateY(0) scale(0.98);
}

.convert-text,
.convert-icon {
    position: relative;
    z-index: 1;
    transition: transform var(--transition-medium);
}

.convert-button:hover .convert-icon {
    transform: rotate(180deg);
}

/* تحسينات الاستجابة للزر */
@media (max-width: 768px) {
    .convert-button {
        padding: var(--spacing-sm) var(--spacing-lg);
        font-size: 1rem;
        min-width: 100px;
    }
}

@media (max-width: 480px) {
    .convert-button {
        padding: var(--spacing-sm) var(--spacing-md);
        font-size: 0.9rem;
        min-width: 80px;
    }
    
    .convert-text {
        display: none;
    }
    
    .convert-icon {
        font-size: 1.2rem;
    }
}



/* تحسينات محول العملات */
.converter-section {
    font-family: 'Roboto', 'Arial', sans-serif; /* استخدام خط حديث وواضح */
}

.currency-select,
.amount-input,
.result-display {
    font-family: 'Roboto Mono', 'Consolas', monospace; /* خط أحادي المسافة للأرقام والرموز */
    font-size: 1.2rem; /* زيادة حجم الخط للوضوح */
    font-weight: 500; /* جعل الخط أثقل قليلاً */
    color: var(--primary-green); /* لون مميز للعملة */
    background-color: var(--bg-glass); /* خلفية شفافة */
    border: 1px solid var(--primary-green-light); /* حدود واضحة */
    border-radius: var(--border-radius-small); /* حواف مستديرة */
    padding: var(--spacing-sm); /* مسافة داخلية */
    transition: all 0.3s ease; /* انتقال سلس */
}

.currency-select:focus,
.amount-input:focus {
    border-color: var(--accent-purple); /* تغيير لون الحدود عند التركيز */
    box-shadow: 0 0 0 3px rgba(108, 92, 231, 0.3); /* إضافة ظل عند التركيز */
}

.currency-select option {
    background-color: var(--bg-secondary); /* خلفية خيارات القائمة */
    color: var(--text-white); /* لون نص الخيارات */
}

.input-label {
    font-weight: 600; /* جعل تسميات الإدخال أكثر وضوحًا */
    color: var(--text-white); /* لون أبيض لتسميات الإدخال */
}

.field-hint {
    font-size: 0.85rem; /* حجم أصغر للتلميحات */
    color: var(--text-light-gray); /* لون رمادي فاتح للتلميحات */
}

.result-value {
    font-size: 1.8rem; /* حجم أكبر لنتيجة التحويل */
    font-weight: 700; /* خط سميك لنتيجة التحويل */
    color: var(--primary-green); /* لون مميز لنتيجة التحويل */
}

.converter-card {
    background: var(--card-bg);
    border-radius: var(--border-radius-xl);
    border: 1px solid var(--card-border);
    box-shadow: var(--shadow-large);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    padding: var(--spacing-xl);
    position: relative;
    overflow: hidden;
}

.converter-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(135deg, rgba(0, 212, 170, 0.1) 0%, transparent 50%, rgba(116, 185, 255, 0.1) 100%);
    pointer-events: none;
}

.converter-title {
    font-size: 2rem;
    font-weight: 700;
    text-align: center;
    margin-bottom: var(--spacing-xl);
    color: var(--text-white);
    text-shadow: 0 2px 4px var(--shadow-color);
}

.converter-row {
    display: flex;
    justify-content: space-between;
    align-items: flex-end;
    gap: var(--spacing-lg);
    margin-bottom: var(--spacing-xl);
}

.currency-select-group,
.amount-input-group,
.result-group {
    flex: 1;
    display: flex;
    flex-direction: column;
}

.swap-row {
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: var(--spacing-md);
}

.swap-button {
    background: var(--primary-green);
    border: none;
    border-radius: 50%;
    width: 48px;
    height: 48px;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    color: white;
    font-size: 1.5rem;
    box-shadow: var(--shadow-medium);
    transition: all var(--transition-medium) var(--transition-spring);
}

.swap-button:hover {
    background: var(--primary-green-dark);
    transform: rotate(180deg);
}

.convert-button-group {
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: var(--spacing-md);
}

.convert-button {
    background: var(--secondary-blue);
    border: none;
    border-radius: var(--border-radius-medium);
    padding: var(--spacing-md) var(--spacing-xl);
    cursor: pointer;
    color: white;
    font-size: 1.2rem;
    font-weight: 600;
    box-shadow: var(--shadow-medium);
    transition: all var(--transition-medium) var(--transition-spring);
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
}

.convert-button:hover {
    background: #077cd9;
    transform: translateY(-2px);
    box-shadow: var(--shadow-xl);
}

.input-wrapper {
    position: relative;
    display: flex;
    align-items: center;
}

.input-icon {
    position: absolute;
    left: var(--spacing-sm);
    color: var(--text-light-gray);
}

.amount-input {
    padding-left: var(--spacing-xl);
    text-align: center;
}

.result-display {
    min-height: 48px; /* للحفاظ على الارتفاع متناسقًا */
    display: flex;
    align-items: center;
    justify-content: center;
    text-align: center;
}

.result-loading {
    display: flex;
    align-items: center;
    justify-content: center;
    min-height: 48px;
}

.loading-spinner {
    border: 4px solid rgba(255, 255, 255, 0.3);
    border-top: 4px solid var(--primary-green);
    border-radius: 50%;
    width: 24px;
    height: 24px;
    animation: spin 1s linear infinite;
}

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

.converter-info {
    display: flex;
    justify-content: space-around;
    margin-top: var(--spacing-xl);
    padding-top: var(--spacing-lg);
    border-top: 1px solid var(--card-border);
}

.rate-info,
.last-update {
    display: flex;
    flex-direction: column;
    align-items: center;
    color: var(--text-light-gray);
    font-size: 0.95rem;
}

.rate-value,
.update-time {
    font-weight: 600;
    color: var(--text-white);
    margin-top: var(--spacing-xs);
}

/* الاستجابة */
@media (max-width: 768px) {
    .converter-row {
        flex-direction: column;
        align-items: stretch;
    }

    .swap-row {
        margin: var(--spacing-md) 0;
    }

    .swap-button {
        transform: rotate(90deg); /* تدوير زر التبديل في الوضع العمودي */
    }

    .converter-info {
        flex-direction: column;
        gap: var(--spacing-md);
    }
}

@media (max-width: 480px) {
    .converter-title {
        font-size: 1.8rem;
    }

    .currency-select,
    .amount-input,
    .result-display {
        font-size: 1rem;
    }

    .result-value {
        font-size: 1.5rem;
    }
}