/* Base CSS - Ortak Stiller */
body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    margin: 0;
    padding: 0;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    min-height: 100vh;
    line-height: 1.6;
}

/* Navigation Bar */
.navbar {
    background: white;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
    position: sticky;
    top: 0;
    z-index: 1000;
}

.nav-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    height: 70px;
}

.nav-brand {
    display: flex;
    align-items: center;
    font-size: 1.5em;
    font-weight: 600;
    color: #333;
}

.brand-emoji {
    margin-right: 10px;
    font-size: 1.2em;
}

.nav-menu {
    display: flex;
    gap: 30px;
}

.nav-link {
    display: flex;
    align-items: center;
    text-decoration: none;
    color: #666;
    font-weight: 500;
    padding: 8px 16px;
    border-radius: 8px;
    transition: all 0.3s ease;
}

.nav-link:hover {
    color: #667eea;
    background: rgba(102, 126, 234, 0.1);
}

.nav-link.active {
    color: #667eea;
    background: rgba(102, 126, 234, 0.15);
    font-weight: 600;
}

.nav-emoji {
    margin-right: 8px;
    font-size: 1.1em;
}

/* Navigation Dropdown */
.nav-dropdown {
    position: relative;
    display: inline-block;
}

.dropdown-arrow {
    margin-left: 5px;
    font-size: 0.8em;
    transition: transform 0.3s ease;
}

.nav-dropdown:hover .dropdown-arrow {
    transform: rotate(180deg);
}

.dropdown-content {
    display: none;
    position: absolute;
    top: 100%;
    left: 0;
    background: white;
    min-width: 200px;
    box-shadow: 0 8px 25px rgba(0, 0, 0, 0.15);
    border-radius: 12px;
    padding: 10px 0;
    z-index: 1001;
    border: 1px solid #f0f0f0;
}

.nav-dropdown:hover .dropdown-content {
    display: block;
    animation: fadeInDown 0.3s ease;
}

@keyframes fadeInDown {
    from {
        opacity: 0;
        transform: translateY(-10px);
    }

    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.dropdown-item {
    display: flex;
    align-items: center;
    padding: 12px 20px;
    text-decoration: none;
    color: #666;
    font-weight: 500;
    transition: all 0.3s ease;
    border-radius: 8px;
    margin: 0 10px;
}

.dropdown-item:hover {
    background: rgba(102, 126, 234, 0.1);
    color: #667eea;
    transform: translateX(5px);
}

.dropdown-item.active {
    background: rgba(102, 126, 234, 0.15);
    color: #667eea;
    font-weight: 600;
}

.dropdown-item.coming-soon {
    color: #999;
    font-style: italic;
    cursor: not-allowed;
}

.dropdown-item.coming-soon:hover {
    background: none;
    color: #999;
    transform: none;
}

/* Main Content */
.main-content {
    min-height: calc(100vh - 70px);
}

/* Page Container */
.page-container {
    max-width: 1600px;
    margin: 0 auto;
    padding: 0 20px;
}

/* Content Wrapper */
.content-wrapper {
    background: white;
    border-radius: 15px;
    padding: 20px 20px 20px 20px;
    box-shadow: 0 5px 20px rgba(0, 0, 0, 0.1);
    margin: 20px 0 40px 0;
}

/* Breadcrumb */
.breadcrumb {
    padding: 20px 0 10px;
    font-size: 0.9em;
    color: #666;
}

.breadcrumb a {
    color: #667eea;
    text-decoration: none;
    transition: color 0.3s ease;
}

.breadcrumb a:hover {
    color: #5a6fd8;
}

.breadcrumb-separator {
    margin: 0 10px;
    color: #ccc;
}

.breadcrumb-current {
    color: #333;
    font-weight: 500;
}

/* Mobile Responsive */
@media (max-width: 768px) {
    .nav-container {
        padding: 0 15px;
        height: auto;
        flex-direction: column;
        padding: 15px;
    }

    .nav-menu {
        flex-direction: column;
        gap: 10px;
        width: 100%;
        align-items: center;
        order: 1;
    }

    .nav-brand {
        margin-bottom: 15px;
        order: 2;
    }

    .nav-link {
        padding: 8px 15px;
        font-size: 1em;
        width: 100%;
        text-align: center;
    }

    .page-container {
        padding: 0 15px;
    }

    .content-wrapper {
        padding: 20px;
        margin: 10px;
    }
}