:root {
    --primary-color: #535f6e;
    --secondary-color: #29be7d;
    --bg-overlay: rgba(33, 37, 41, 0.85);
}

body {
    font-family: 'Inter', sans-serif;
    background: linear-gradient(var(--bg-overlay), var(--bg-overlay)), url('resimler/arkaplan.jpg');
    background-attachment: fixed;
    background-position: center;
    background-repeat: no-repeat;
    background-size: cover;
    min-height: 100vh;
    display: flex;
    flex-direction: column;
}

.main-content-wrapper {
    flex: 1;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 5px 5px;
}

.corporate-card {
    background: #ffffff;
    border-radius: 16px;
    box-shadow: 0 20px 40px rgba(0,0,0,0.2);
    padding: 40px;
    width: 100%;
    max-width: 700px;
    border-top: 6px solid var(--secondary-color);
}

.logo-container {
    text-align: center;
    margin-bottom: 30px;
    padding-bottom: 20px;
    border-bottom: 1px solid #eee;
}

.main-logo {
    width: 100%;
    max-width: 300px;
}

.page-title {
    color: var(--primary-color);
    font-weight: 700;
    font-size: 1.75rem;
    text-align: center;
    margin-bottom: 10px;
}

.page-subtitle {
    color: #6c757d;
    text-align: center;
    margin-bottom: 30px;
    font-weight: 400;
}

.nav-pills {
    display: flex;
    justify-content: center;
    padding: 0;
    margin-bottom: 40px;
    border: none;
    background: transparent;
    flex-wrap: nowrap;
    width: 100%;
    max-width: 500px;
    margin-left: auto;
    margin-right: auto;
}

.nav-item {
    flex: 1;
    display: flex;
}

.nav-link {
    background-color: var(--primary-color);
    color: white;
    font-weight: 600;
    padding: 12px 5px;
    text-align: center;
    transition: all 0.3s ease;
    border: 1px solid var(--primary-color);
    width: 100%;
    display: flex;
    align-items: center;
    justify-content: center;
    white-space: nowrap;
    font-size: 1rem;
}

.nav-item:first-child .nav-link {
    border-top-left-radius: 25px;
    border-bottom-left-radius: 25px;
    border-top-right-radius: 0;
    border-bottom-right-radius: 0;
    border-right: none;
}

.nav-item:last-child .nav-link {
    border-top-left-radius: 0;
    border-bottom-left-radius: 0;
    border-top-right-radius: 25px;
    border-bottom-right-radius: 25px;
}

.nav-link:hover {
    color: white;
    opacity: 0.9;
    background-color: #3e4853;
}

.nav-link.active {
    background-color: var(--secondary-color) !important;
    border-color: var(--secondary-color) !important;
    color: white !important;
}

@media (max-width: 450px) {
    .nav-link {
        font-size: 0.85rem;
        padding: 10px 2px;
    }
}

.search-group {
    position: relative;
}

.search-input {
    height: 55px;
    border-radius: 8px;
    padding-left: 5px;
    padding-right: 120px;
    font-size: 14px;
    border: 2px solid #e9ecef;
    width: 100%;
    transition: border-color 0.3s;
}

.search-input:focus {
    border-color: var(--secondary-color);
    outline: none;
    box-shadow: 0 0 0 4px rgba(41, 190, 125, 0.1);
}

.search-btn {
    position: absolute;
    right: 5px;
    top: 5px;
    bottom: 5px;
    background-color: var(--primary-color);
    color: white;
    border: none;
    /* padding: 0 25px; */
    border-radius: 6px;
    font-weight: 600;
    transition: background-color 0.3s;
}

.search-btn:hover {
    background-color: #3e4853;
}

.result-card {
    background: white;
    border-radius: 12px;
    box-shadow: 0 10px 30px rgba(0,0,0,0.1);
    overflow: hidden;
    margin-top: 30px;
    display: none;
    border: 1px solid #eee;
}

.status-header {
    padding: 15px 20px;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    text-align: center;
    color: white;
}

.status-success { background-color: var(--secondary-color); }
.status-danger { background-color: #dc3545; }
.status-info { background-color: #0dcaf0; }
.status-warning { background-color: #ffc107; color: #333; }

.result-body {
    padding: 10px;
}

.info-row {
    display: flex;
    justify-content: space-between;
    padding: 12px 0;
    border-bottom: 1px solid #f1f1f1;
}
.info-row:last-child { border-bottom: none; }

.info-label { font-weight: 600; color: #6c757d; }
.info-value { font-weight: 600; color: #212529; text-align: right; }

.brand-area {
    text-align: center;
    margin-bottom: 25px;
    padding-bottom: 20px;
    border-bottom: 1px solid #eee;
}
.brand-logo-img { height: 50px; object-fit: contain; margin-bottom: 10px; }

.simple-footer {
    text-align: center;
    color: rgba(255,255,255,0.6);
    padding: 20px;
    font-size: 0.9rem;
}
.simple-footer a { color: rgba(255,255,255,0.8); text-decoration: none; }

.alert-custom {
    border-left: 4px solid;
    background-color: #f8f9fa;
}
.alert-info-custom { border-color: #0dcaf0; }