body {
    font-family: 'Segoe UI', Arial, sans-serif;
    background: #f8f9fa;
    margin: 0;
    padding: 0;
}
.container {
    max-width: 1400px;
    margin: 40px auto;
    background: #fff;
    border-radius: 8px;
    box-shadow: 0 2px 8px rgba(0,0,0,0.08);
    padding: 32px;
}
input[type="file"], select, button {
    margin: 8px 0;
}
#output {
    margin-top: 24px;
    background: #f4f4f4;
    padding: 24px;
    border-radius: 6px;
    overflow-x: auto;
    min-height: 400px;
    font-size: 1.1rem;
    width: 100%;
    box-sizing: border-box;
}
.header-banner {
    width: 100%;
    background: linear-gradient(90deg, #0d47a1 0%, #1976d2 100%);
    color: #fff;
    padding: 32px 0 16px 0;
    text-align: center;
    margin-bottom: 32px;
    box-shadow: 0 2px 8px rgba(13,71,161,0.08);
    border-radius: 0 0 16px 16px;
}
.header-banner h1 {
    margin: 0;
    font-size: 2.8rem;
    letter-spacing: 2px;
    font-weight: 700;
}
.header-banner .system-title {
    margin: 0;
    font-size: 1.5rem;
    font-weight: 400;
    letter-spacing: 1px;
    opacity: 0.95;
}
.dashboard-cards {
    display: flex;
    gap: 32px;
    margin-top: 32px;
    flex-wrap: wrap;
    justify-content: center;
}
.dashboard-card {
    background: #e3eafc;
    border: 2px solid #1976d2;
    border-radius: 12px;
    padding: 32px 48px;
    font-size: 1.3rem;
    font-weight: 600;
    color: #0d47a1;
    cursor: pointer;
    transition: box-shadow 0.2s, background 0.2s;
    min-width: 220px;
    min-height: 120px;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
}
.dashboard-card:hover {
    background: #1976d2;
    color: #fff;
    box-shadow: 0 4px 16px rgba(25,118,210,0.15);
}
.dashboard-card span {
    font-size: 2.5rem;
    margin-bottom: 12px;
}
.xml-panel {
    background: #f8fafc;
    border-radius: 18px;
    box-shadow: 0 6px 32px 0 rgba(25, 118, 210, 0.10), 0 1.5px 6px 0 rgba(25, 118, 210, 0.08);
    padding: 40px 40px 32px 40px;
    margin: 0 auto 32px auto;
    max-width: 1600px;
    border: 1.5px solid #e3eafc;
    position: relative;
}

.xml-panel-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 36px;
    border-bottom: 1.5px solid #e3eafc;
    padding-bottom: 18px;
}

.xml-panel-header h2 {
    display: flex;
    align-items: center;
    gap: 12px;
    font-size: 2.1rem;
    margin: 0;
    color: #1976d2;
    font-weight: 700;
    letter-spacing: 1px;
}

.back-btn {
    background: linear-gradient(90deg, #e3eafc 0%, #bbdefb 100%);
    color: #1976d2;
    border: none;
    border-radius: 8px;
    padding: 10px 22px;
    font-size: 1.1rem;
    font-weight: 600;
    display: flex;
    align-items: center;
    gap: 8px;
    cursor: pointer;
    transition: background 0.2s, color 0.2s;
    box-shadow: 0 2px 8px rgba(25, 118, 210, 0.07);
}
.back-btn:hover {
    background: #1976d2;
    color: #fff;
}

.xml-form-row {
    display: flex;
    gap: 32px;
    flex-wrap: wrap;
    margin-bottom: 32px;
    justify-content: flex-start;
}

.form-group {
    display: flex;
    flex-direction: column;
    min-width: 220px;
    flex: 1;
    background: #fff;
    border-radius: 10px;
    box-shadow: 0 1.5px 6px 0 rgba(25, 118, 210, 0.07);
    padding: 18px 18px 12px 18px;
    margin-bottom: 0;
    border: 1.2px solid #e3eafc;
}

.form-group label {
    font-weight: 600;
    margin-bottom: 8px;
    color: #1976d2;
    display: flex;
    align-items: center;
    gap: 6px;
    font-size: 1.08rem;
}

.form-control, select, input[type="file"] {
    border: 1.5px solid #b0bec5;
    border-radius: 6px;
    padding: 8px 10px;
    font-size: 1.08rem;
    background: #f4f8fb;
    color: #0d47a1;
    transition: border 0.2s;
    margin-bottom: 0;
}

.form-control:focus, select:focus, input[type="file"]:focus {
    border: 1.5px solid #1976d2;
    outline: none;
}

.align-end {
    display: flex;
    align-items: flex-end;
}

.btn.btn-primary {
    background: linear-gradient(90deg, #1976d2 0%, #42a5f5 100%);
    color: #fff;
    border: none;
    border-radius: 6px;
    padding: 12px 28px;
    font-size: 1.1rem;
    font-weight: 600;
    display: flex;
    align-items: center;
    gap: 8px;
    cursor: pointer;
    transition: background 0.2s;
    box-shadow: 0 2px 8px rgba(25, 118, 210, 0.07);
}
.btn.btn-primary:disabled {
    background: #b0bec5;
    cursor: not-allowed;
}

.xml-output-panel {
    margin-top: 24px;
    background: #f4f4f4;
    padding: 24px;
    border-radius: 6px;
    min-height: 400px;
    font-size: 1.1rem;
    width: 100%;
    box-sizing: border-box;
    overflow-x: auto;
    max-width: 100%;
}

/* Google Material Icons için */
.material-icons {
    font-family: 'Material Icons';
    font-style: normal;
    font-weight: normal;
    font-size: 1.3em;
    line-height: 1;
    letter-spacing: normal;
    text-transform: none;
    display: inline-block;
    white-space: nowrap;
    direction: ltr;
    -webkit-font-feature-settings: 'liga';
    -webkit-font-smoothing: antialiased;
}

.xml-export-row {
    display: flex;
    gap: 16px;
    margin-bottom: 16px;
}
.btn.btn-secondary {
    background: #e3eafc;
    color: #1976d2;
    border: none;
    border-radius: 6px;
    padding: 10px 24px;
    font-size: 1rem;
    font-weight: 600;
    cursor: pointer;
    transition: background 0.2s, color 0.2s;
    box-shadow: 0 2px 8px rgba(25, 118, 210, 0.07);
}
.btn.btn-secondary:hover {
    background: #1976d2;
    color: #fff;
}

.site-footer {
    width: 100%;
    background: #0d47a1;
    color: #fff;
    text-align: center;
    padding: 18px 0 12px 0;
    font-size: 1.1rem;
    letter-spacing: 1px;
    position: fixed;
    left: 0;
    bottom: 0;
    z-index: 100;
    box-shadow: 0 -2px 8px rgba(13,71,161,0.08);
}
.footer-content {
    opacity: 0.95;
}