:root {
    --primary-blue: #0d6efd;
    --primary-blue-dark: #0a58ca;
    --secondary-blue: #6ea8fe;
    --accent-blue: #cfe2ff;
    --dark-bg: #0d1117;
    --dark-card: #161b22;
    --dark-border: #30363d;
    --text-primary: #f0f6fc;
    --text-secondary: #8b949e;
    --success-color: #238636;
    --danger-color: #da3633;
    --warning-color: #f85149;
}

* {
    box-sizing: border-box;
}

body {
    font-family: 'Inter', sans-serif;
    background: linear-gradient(135deg, var(--dark-bg) 0%, #21262d 100%);
    color: var(--text-primary);
    min-height: 100vh;
}

.main-container {
    background: var(--dark-card);
    border: 1px solid var(--dark-border);
    border-radius: 16px;
    box-shadow: 0 16px 40px rgba(0, 0, 0, 0.4);
    overflow: hidden;
    margin: 20px auto;
    max-width: 1200px;
    min-height: 600px;
}

.header-section {
    background: linear-gradient(135deg, var(--primary-blue) 0%, var(--primary-blue-dark) 100%);
    color: white;
    padding: 3rem 2rem;
    text-align: center;
    position: relative;
    overflow: hidden;
}

.header-section::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: url("data:image/svg+xml,%3Csvg width='60' height='60' viewBox='0 0 60 60' xmlns='http://www.w3.org/2000/svg'%3E%3Cg fill='none' fill-rule='evenodd'%3E%3Cg fill='%23ffffff' fill-opacity='0.05'%3E%3Ccircle cx='30' cy='30' r='4'/%3E%3C/g%3E%3C/g%3E%3C/svg%3E");
}

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

.header-title {
    font-size: 2.5rem;
    font-weight: 700;
    margin-bottom: 0.5rem;
}

.header-subtitle {
    font-size: 1.1rem;
    opacity: 0.9;
    font-weight: 400;
}

.nav-tabs-custom {
    background-color: var(--dark-bg);
    border-bottom: 1px solid var(--dark-border);
}

.nav-tabs-custom .nav-link {
    background: none;
    border: none;
    color: var(--text-secondary);
    font-weight: 600;
    padding: 1.25rem 2rem;
    border-radius: 0;
    transition: all 0.3s ease;
    position: relative;
}

.nav-tabs-custom .nav-link:hover {
    color: var(--primary-blue);
    background: rgba(13, 110, 253, 0.1);
}

.nav-tabs-custom .nav-link.active {
    color: var(--primary-blue);
    background: var(--dark-card);
    border-bottom: 3px solid var(--primary-blue);
}

.content-section {
    padding: 2rem;
    background: var(--dark-card);
    min-height: 400px;
    overflow: hidden;
}

.portfolio-summary {
    background: linear-gradient(135deg, rgba(13, 110, 253, 0.1) 0%, rgba(110, 168, 254, 0.05) 100%);
    border: 1px solid rgba(13, 110, 253, 0.2);
    border-radius: 16px;
    padding: 2rem;
    margin-bottom: 2rem;
}

.total-value {
    font-size: 2.5rem;
    font-weight: 700;
    color: var(--primary-blue);
    text-align: center;
    margin-bottom: 1.5rem;
}

.asset-card {
    background: var(--dark-bg);
    border: 1px solid var(--dark-border);
    border-radius: 12px;
    padding: 1.5rem;
    margin-bottom: 1rem;
    transition: all 0.3s ease;
}

.asset-card:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 25px rgba(0, 0, 0, 0.3);
    border-color: var(--primary-blue);
}

.asset-header {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    margin-bottom: 1rem;
}

.asset-icon {
    width: 40px;
    height: 40px;
    background: linear-gradient(135deg, var(--primary-blue) 0%, var(--secondary-blue) 100%);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-size: 1.1rem;
}

.asset-name {
    font-size: 1.25rem;
    font-weight: 600;
    color: var(--text-primary);
    margin: 0;
}

.asset-status {
    margin-left: auto;
    padding: 0.25rem 0.75rem;
    border-radius: 50px;
    font-size: 0.8rem;
    font-weight: 600;
}

.status-active {
    background: rgba(35, 134, 54, 0.2);
    color: var(--success-color);
}

.asset-details {
    color: #e2e8f0;
    font-size: 0.9rem;
    line-height: 1.6;
}

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

.asset-value .value {
    font-size: 1.3rem;
    font-weight: 700;
    color: #22c55e;
    margin-bottom: 4px;
}

.asset-value .count {
    color: #64748b;
    font-size: 0.85rem;
}

.price-change {
    font-size: 0.85rem;
    font-weight: 600;
    margin-top: 4px;
}

.price-change-positive {
    color: var(--success-color);
}

.price-change-negative {
    color: var(--danger-color);
}

.form-section {
    background: var(--dark-bg);
    border: 1px solid var(--dark-border);
    border-radius: 16px;
    padding: 2rem;
    margin-bottom: 2rem;
}

.form-section h2 {
    color: var(--text-primary);
    font-weight: 600;
    margin-bottom: 1.5rem;
    display: flex;
    align-items: center;
    gap: 0.75rem;
}

.form-control, .form-select {
    background-color: var(--dark-card);
    border: 1px solid var(--dark-border);
    color: var(--text-primary);
    border-radius: 8px;
    padding: 0.75rem 1rem;
}

.form-control:focus, .form-select:focus {
    background-color: var(--dark-card);
    border-color: var(--primary-blue);
    color: var(--text-primary);
    box-shadow: 0 0 0 0.2rem rgba(13, 110, 253, 0.25);
}

.form-control::placeholder {
    color: var(--text-secondary);
}

.form-label {
    color: var(--text-primary);
    font-weight: 600;
    margin-bottom: 0.5rem;
    font-size: 0.9rem;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.suggestions-dropdown {
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    background: var(--dark-card);
    border: 1px solid var(--dark-border);
    border-radius: 8px;
    max-height: 200px;
    overflow-y: auto;
    z-index: 1000;
    margin-top: 4px;
    box-shadow: 0 8px 25px rgba(0, 0, 0, 0.3);
}

.suggestion-item {
    padding: 0.75rem 1rem;
    cursor: pointer;
    border-bottom: 1px solid var(--dark-border);
    transition: background 0.2s ease;
    color: var(--text-primary);
}

.suggestion-item:hover {
    background: rgba(13, 110, 253, 0.1);
}

.suggestion-item:last-child {
    border-bottom: none;
}

.loading {
    color: var(--text-secondary);
    font-style: italic;
}

.error {
    color: var(--danger-color);
    font-size: 0.85rem;
    margin-top: 6px;
}

.alert-warning-custom {
    background: rgba(248, 81, 73, 0.1);
    border: 1px solid rgba(248, 81, 73, 0.3);
    color: #fbbf24;
    border-radius: 8px;
    padding: 1rem;
    margin-bottom: 1.5rem;
}

.btn-primary-custom {
    background: linear-gradient(135deg, var(--primary-blue) 0%, var(--primary-blue-dark) 100%);
    border: none;
    color: white;
    font-weight: 600;
    padding: 0.75rem 2rem;
    border-radius: 8px;
    transition: all 0.3s ease;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.btn-primary-custom:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 25px rgba(13, 110, 253, 0.4);
}

.transaction-card {
    background: var(--dark-bg);
    border: 1px solid var(--dark-border);
    border-radius: 12px;
    padding: 1.5rem;
    margin-bottom: 1rem;
    transition: all 0.3s ease;
}

.transaction-card:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 25px rgba(0, 0, 0, 0.3);
    border-color: var(--primary-blue);
}

.transaction-icon {
    width: 48px;
    height: 48px;
    background: linear-gradient(135deg, var(--success-color) 0%, #2ea043 100%);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-size: 1.2rem;
}

.transaction-details h5 {
    color: var(--text-primary);
    font-weight: 600;
    margin-bottom: 0.25rem;
}

.transaction-details small {
    color: var(--text-secondary);
}

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

.amount-primary {
    font-size: 1.1rem;
    font-weight: 700;
    color: var(--text-primary);
}

.amount-secondary {
    font-size: 0.9rem;
    color: #e2e8f0;
}

.amount-total {
    font-size: 1.1rem;
    font-weight: 700;
    color: var(--primary-blue);
    margin-top: 0.25rem;
}

.btn-danger-custom {
    background: var(--danger-color);
    border: none;
    color: white;
    padding: 0.5rem 0.75rem;
    border-radius: 6px;
    transition: all 0.3s ease;
}

.btn-danger-custom:hover {
    background: #b91c1c;
    transform: translateY(-1px);
}

.empty-state {
    text-align: center;
    padding: 3rem 1rem;
    color: var(--text-secondary);
}

.empty-state i {
    font-size: 3rem;
    margin-bottom: 1rem;
    color: var(--text-secondary);
}

.empty-state h4 {
    color: var(--text-primary);
    margin-bottom: 0.5rem;
}

/* Custom Scrollbar */
::-webkit-scrollbar {
    width: 8px;
}

::-webkit-scrollbar-track {
    background: var(--dark-bg);
}

::-webkit-scrollbar-thumb {
    background: var(--primary-blue);
    border-radius: 4px;
}

::-webkit-scrollbar-thumb:hover {
    background: var(--primary-blue-dark);
}

@media (max-width: 768px) {
    .header-title {
        font-size: 2rem;
    }
    
    .content-section {
        padding: 1rem;
    }
    
    .total-value {
        font-size: 2rem;
    }
}

.text-muted {
    color: #a0a9b8 !important;
}

/* .text-muted {
    color: #c1c7d0 !important;
}

small.text-muted {
    color: #b8c5d1 !important;
    font-weight: 500;
} */



.share-card {
    background: linear-gradient(135deg, var(--primary-blue) 0%, var(--secondary-blue) 100%);
    color: white;
    padding: 2rem;
    border-radius: 16px;
    text-align: center;
    position: relative;
    overflow: hidden;
}

.share-card::before {
    content: '';
    position: absolute;
    top: -50%;
    left: -50%;
    width: 200%;
    height: 200%;
    background: url("data:image/svg+xml,%3Csvg width='60' height='60' viewBox='0 0 60 60' xmlns='http://www.w3.org/2000/svg'%3E%3Cg fill='none' fill-rule='evenodd'%3E%3Cg fill='%23ffffff' fill-opacity='0.05'%3E%3Ccircle cx='30' cy='30' r='4'/%3E%3C/g%3E%3C/g%3E%3C/svg%3E");
    animation: float 20s ease-in-out infinite;
}

@keyframes float {
    0%, 100% { transform: rotate(0deg) translate(-50%, -50%); }
    50% { transform: rotate(180deg) translate(-50%, -50%); }
}

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

.modal-content {
    background: var(--dark-card) !important;
    border: 1px solid var(--dark-border) !important;
}

.share-buttons .btn {
    border-radius: 8px;
    font-weight: 600;
    padding: 0.75rem;
}




.social-icons {
    display: flex;
    justify-content: center;
    gap: 1rem;
    margin-top: 1.5rem;
}

.social-icon {
    width: 45px;
    height: 45px;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.1);
    color: white;
    display: flex;
    align-items: center;
    justify-content: center;
    text-decoration: none;
    font-size: 1.2rem;
    transition: all 0.3s ease;
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.2);
}

.social-icon:hover {
    transform: translateY(-3px);
    background: rgba(255, 255, 255, 0.2);
    color: white;
    box-shadow: 0 8px 25px rgba(0, 0, 0, 0.3);
}

.social-icon:nth-child(1):hover {
    background: rgba(52, 152, 219, 0.8); /* Ana sayfa - mavi */
}

.social-icon:nth-child(2):hover {
    background: rgba(29, 161, 242, 0.8); /* Twitter */
}

.social-icon:nth-child(3):hover {
    background: linear-gradient(45deg, #f09433 0%, #e6683c 25%, #dc2743 50%, #cc2366 75%, #bc1888 100%); /* Instagram gradient */
}

.social-icon:nth-child(4):hover {
    background: rgba(24, 119, 242, 0.8); /* Facebook */
}

/* Mobil responsive */
@media (max-width: 768px) {
    .social-icons {
        gap: 0.8rem;
    }
    
    .social-icon {
        width: 40px;
        height: 40px;
        font-size: 1rem;
    }
}