* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
    line-height: 1.6;
    color: #202124;
    background-color: #ffffff;
}

/* Minimal Header */
.minimal-header {
    background: white;
    border-bottom: 1px solid #e8eaed;
    padding: 12px 0;
    position: sticky;
    top: 0;
    z-index: 100;
    box-shadow: 0 1px 2px rgba(0,0,0,0.05);
}

.header-container {
    max-width: 1400px;
    margin: 0 auto;
    padding: 0 24px;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.logo-section {
    flex-shrink: 0;
}

.logo-area {
    display: block;
    width: 300px;
    height: 50px;
    text-decoration: none;
}

.logo-img {
    display: block;
    width: 100%;
    height: 100%;
    object-fit: contain;
    object-position: left center;
}

.minimal-nav {
    display: flex;
    align-items: center;
    gap: 8px;
    flex-wrap: wrap;
}

.minimal-nav .nav-link {
    padding: 8px 14px;
    color: #5f6368;
    text-decoration: none;
    border-radius: 6px;
    font-size: 1.125rem;
    font-weight: 300;
    letter-spacing: 0.02em;
    transition: background 0.2s, color 0.2s;
}

.minimal-nav .nav-link:hover {
    background: #f1f3f4;
    color: #202124;
}

.minimal-nav .admin-link {
    padding: 8px 16px;
    color: #5f6368;
    text-decoration: none;
    border-radius: 4px;
    font-size: 1.125rem;
    font-weight: 300;
    transition: background 0.2s;
}

.minimal-nav .admin-link:hover {
    background: #f1f3f4;
}

/* Hamburger - sadece mobilde görünür */
.nav-toggle {
    display: none;
    flex-direction: column;
    justify-content: center;
    gap: 5px;
    width: 44px;
    height: 44px;
    padding: 10px;
    background: none;
    border: none;
    cursor: pointer;
    border-radius: 8px;
    transition: background 0.2s;
}
.nav-toggle:hover {
    background: #f1f3f4;
}
.nav-toggle-bar {
    display: block;
    width: 22px;
    height: 2px;
    background: #5f6368;
    border-radius: 1px;
    transition: transform 0.25s, opacity 0.25s;
}
.nav-toggle[aria-expanded="true"] .nav-toggle-bar:nth-child(1) {
    transform: translateY(7px) rotate(45deg);
}
.nav-toggle[aria-expanded="true"] .nav-toggle-bar:nth-child(2) {
    opacity: 0;
}
.nav-toggle[aria-expanded="true"] .nav-toggle-bar:nth-child(3) {
    transform: translateY(-7px) rotate(-45deg);
}

/* Main Content */
main {
    max-width: 1400px;
    margin: 0 auto;
    padding: 24px;
    min-height: calc(100vh - 120px);
}

/* Buttons */
.btn {
    padding: 10px 20px;
    border: none;
    border-radius: 4px;
    cursor: pointer;
    font-size: 14px;
    font-weight: 500;
    transition: all 0.2s;
    text-decoration: none;
    display: inline-block;
}

.btn-primary {
    background: #1a73e8;
    color: white;
}

.btn-primary:hover {
    background: #1557b0;
    box-shadow: 0 1px 3px rgba(0,0,0,0.12);
}

.btn-secondary {
    background: white;
    color: #5f6368;
    border: 1px solid #dadce0;
}

.btn-secondary:hover {
    background: #f8f9fa;
    border-color: #d2d3d4;
}

/* Alert Messages */
.alert {
    padding: 16px 20px;
    border-radius: 8px;
    margin-bottom: 20px;
    font-size: 14px;
    line-height: 1.5;
}

.alert-success {
    background: #e6f4ea;
    color: #137333;
    border-left: 4px solid #34a853;
}

.alert-error {
    background: #fce8e6;
    color: #c5221f;
    border-left: 4px solid #ea4335;
}

.alert-info {
    background: #e8f0fe;
    color: #174ea6;
    border-left: 4px solid #1a73e8;
}

/* Footer */
footer {
    background: #f8f9fa;
    border-top: 1px solid #e8eaed;
    padding: 24px 0;
    margin-top: 40px;
}

.footer-container {
    max-width: 1400px;
    margin: 0 auto;
    padding: 0 24px;
    text-align: center;
    color: #5f6368;
    font-size: 13px;
}

/* Admin Panel Specific Styles */
.btn-sm {
    padding: 6px 12px;
    font-size: 13px;
}

.btn-warning {
    background: #f9ab00;
    color: white;
}

.btn-warning:hover {
    background: #ea8600;
}

.btn-danger {
    background: #ea4335;
    color: white;
}

.btn-danger:hover {
    background: #d33828;
}

.form-group {
    margin-bottom: 15px;
}

.form-group label {
    display: block;
    margin-bottom: 5px;
    font-weight: 500;
    color: #202124;
}

.form-group input,
.form-group textarea,
.form-group select {
    width: 100%;
    padding: 10px;
    border: 1px solid #dadce0;
    border-radius: 4px;
    font-size: 14px;
    font-family: inherit;
}

.form-group input:focus,
.form-group textarea:focus,
.form-group select:focus {
    outline: none;
    border-color: #1a73e8;
    box-shadow: 0 0 0 2px rgba(26, 115, 232, 0.1);
}

.form-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 15px;
    margin-bottom: 15px;
}

.form-actions {
    display: flex;
    gap: 10px;
    margin-top: 20px;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 20px;
}

/* Responsive */
@media (max-width: 768px) {
    .header-container {
        padding: 0 16px;
        flex-wrap: wrap;
    }
    
    .logo-area {
        width: 180px;
        height: 60px;
    }
    
    .nav-toggle {
        display: flex;
        order: 2;
        margin-left: auto;
    }
    
    .minimal-nav {
        display: none;
        flex-basis: 100%;
        order: 3;
        flex-direction: column;
        gap: 0;
        padding: 12px 0 0;
        margin-top: 8px;
        border-top: 1px solid #e8eaed;
    }
    
    .minimal-nav.nav-open {
        display: flex;
    }
    
    .minimal-nav .nav-link {
        padding: 12px 0;
        border-radius: 0;
        border-bottom: 1px solid #f1f3f4;
    }
    
    .minimal-nav .nav-link:last-child {
        border-bottom: none;
    }
    
    main {
        padding: 16px;
    }
    
    .form-row {
        grid-template-columns: 1fr;
    }
}