:root {
    --bg: #0f172a;
    --surface: #1e293b;
    --surface-2: #334155;
    --text: #e2e8f0;
    --muted: #94a3b8;
    --primary: #2563eb;
    --primary-hover: #1d4ed8;
    --danger: #dc2626;
    --success: #16a34a;
    --warning: #ca8a04;
    --border: #475569;
    --radius: 10px;
}

* {
    box-sizing: border-box;
}

body {
    margin: 0;
    font-family: "Segoe UI", Tahoma, Geneva, Verdana, sans-serif;
    background: var(--bg);
    color: var(--text);
    min-height: 100vh;
}

.layout {
    max-width: 1400px;
    margin: 0 auto;
    padding: 24px 20px 64px;
}

.header {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    gap: 16px;
    margin-bottom: 24px;
}

.header h1 {
    margin: 0 0 4px;
    font-size: 1.75rem;
}

.header-sub {
    margin: 0;
    color: var(--muted);
    font-size: 0.95rem;
}

.db-status {
    padding: 8px 14px;
    border-radius: 999px;
    font-size: 0.85rem;
    background: var(--surface);
    border: 1px solid var(--border);
    white-space: nowrap;
}

.db-status.ok {
    border-color: var(--success);
    color: #86efac;
}

.db-status.warn {
    border-color: var(--warning);
    color: #fde047;
}

.db-status.err {
    border-color: var(--danger);
    color: #fca5a5;
}

.tabs {
    display: flex;
    gap: 6px;
    margin-bottom: 20px;
    border-bottom: 1px solid var(--border);
    padding-bottom: 8px;
    flex-wrap: wrap;
}

.tab {
    background: transparent;
    border: none;
    color: var(--muted);
    padding: 10px 18px;
    border-radius: var(--radius);
    cursor: pointer;
    font-size: 0.95rem;
}

.tab:hover {
    background: var(--surface);
    color: var(--text);
}

.tab.active {
    background: var(--primary);
    color: #fff;
}

.panel {
    display: none;
}

.panel.active {
    display: block;
}

.panel-toolbar {
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 12px;
    margin-bottom: 16px;
}

.panel-toolbar h2 {
    margin: 0;
    font-size: 1.2rem;
}

.muted-hint {
    font-size: 0.8rem;
    color: var(--muted);
    white-space: nowrap;
}

.toolbar-right {
    display: flex;
    gap: 10px;
    align-items: center;
}

.btn {
    border: 1px solid var(--border);
    background: var(--surface);
    color: var(--text);
    padding: 8px 14px;
    border-radius: 8px;
    cursor: pointer;
    font-size: 0.9rem;
}

.btn:hover {
    background: var(--surface-2);
}

.btn-primary {
    background: var(--primary);
    border-color: var(--primary);
    color: #fff;
}

.btn-primary:hover {
    background: var(--primary-hover);
}

.btn-danger {
    background: transparent;
    border-color: var(--danger);
    color: #fca5a5;
}

.btn-sm {
    padding: 5px 10px;
    font-size: 0.8rem;
}

.input-select,
.modal-form input,
.modal-form select,
.modal-form textarea,
.firmware-upload input,
.firmware-upload select {
    width: 100%;
    background: #020617;
    border: 1px solid var(--border);
    color: var(--text);
    border-radius: 8px;
    padding: 9px 12px;
    font-size: 0.9rem;
}

.input-select {
    width: auto;
    min-width: 180px;
}

.table-wrap {
    overflow-x: auto;
    border: 1px solid var(--border);
    border-radius: var(--radius);
    background: var(--surface);
}

.data-table {
    width: 100%;
    border-collapse: collapse;
    font-size: 0.9rem;
}

.data-table th,
.data-table td {
    padding: 12px 14px;
    text-align: left;
    border-bottom: 1px solid var(--border);
}

.data-table th {
    color: var(--muted);
    font-weight: 600;
    background: #0b1220;
}

.data-table tbody tr:hover {
    background: rgba(255, 255, 255, 0.03);
}

.data-table .actions {
    display: flex;
    gap: 6px;
}

.badge {
    display: inline-block;
    padding: 3px 8px;
    border-radius: 999px;
    font-size: 0.75rem;
    background: var(--surface-2);
}

.badge.ok {
    background: rgba(22, 163, 74, 0.2);
    color: #86efac;
}

.empty-row td {
    text-align: center;
    color: var(--muted);
    padding: 28px;
}

.footer {
    position: fixed;
    right: 16px;
    bottom: 12px;
}

.version-info {
    font-size: 0.8rem;
    color: var(--muted);
}

.firmware-upload {
    display: flex;
    align-items: flex-end;
    gap: 16px;
    flex-wrap: wrap;
    background: var(--surface-2);
    padding: 16px;
    border-radius: 6px;
    margin-bottom: 16px;
}

.firmware-upload-disabled,
.firmware-upload[hidden] {
    display: none !important;
}

.firmware-auto-note {
    margin: 0 0 16px;
    font-size: 0.85rem;
    color: var(--muted);
}

.firmware-upload .form-group {
    margin: 0;
    min-width: 160px;
}

.modal-backdrop {
    position: fixed;
    inset: 0;
    background: rgba(0, 0, 0, 0.6);
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 20px;
    z-index: 100;
}

.modal-backdrop.hidden {
    display: none;
}

.modal {
    width: 100%;
    max-width: 520px;
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: 14px;
    padding: 20px;
    max-height: 90vh;
    overflow-y: auto;
}

.modal.modal-wide {
    max-width: 640px;
}

.modal-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 16px;
}

.modal-header h3 {
    margin: 0;
}

.btn-icon {
    background: transparent;
    border: none;
    color: var(--muted);
    font-size: 1.1rem;
    cursor: pointer;
}

.modal-form {
    display: grid;
    gap: 12px;
}

.form-group label {
    display: block;
    margin-bottom: 4px;
    font-size: 0.85rem;
    color: var(--muted);
}

.modal-actions {
    display: flex;
    justify-content: flex-end;
    gap: 10px;
    margin-top: 16px;
}

.toast {
    position: fixed;
    bottom: 48px;
    left: 50%;
    transform: translateX(-50%);
    background: var(--surface-2);
    border: 1px solid var(--border);
    padding: 12px 20px;
    border-radius: 8px;
    z-index: 200;
}

.toast.hidden {
    display: none;
}

.toast.error {
    border-color: var(--danger);
    color: #fecaca;
}

.toast.success {
    border-color: var(--success);
    color: #bbf7d0;
}

.stat-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(140px, 1fr));
    gap: 14px;
    margin-top: 16px;
}

.stat-card {
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 18px;
    text-align: center;
}

.stat-card.ok {
    border-color: var(--success);
}

.stat-card.warn {
    border-color: var(--warning);
}

.stat-value {
    font-size: 1.75rem;
    font-weight: 700;
    margin-bottom: 4px;
}

.stat-label {
    font-size: 0.85rem;
    color: var(--muted);
}

.form-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 12px;
}

.form-hint {
    font-size: 0.85rem;
    color: var(--muted);
    margin: 0 0 12px;
}

.sensor-list {
    list-style: none;
    padding: 0;
    margin: 0 0 12px;
}

.sensor-list li {
    padding: 8px 0;
    border-bottom: 1px solid var(--border);
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 8px;
}

.yontem-cell,
.hata-cell {
    font-size: 0.78rem;
    max-width: none;
    vertical-align: top;
}

.olcum-mq .yontem-cell {
    font-size: 0.546rem;
}

.olcum-yontem-th,
.yontem-cell {
    width: 1%;
    white-space: nowrap;
}

.yontem-col {
    min-width: 0;
    width: max-content;
    font-family: ui-monospace, SFMono-Regular, Menlo, monospace;
}

.yontem-col.empty {
    color: var(--muted);
}

.ufl-3satir {
    display: flex;
    flex-direction: column;
    gap: 2px;
    line-height: 1.35;
}

.ufl-3satir strong,
.ufl-3satir span {
    color: #38bdf8;
    font-weight: 400;
}

.ufl-3satir .ufl-sonuc {
    font-weight: 700;
    color: #f8fafc;
}

.pencere-3satir {
    display: flex;
    flex-direction: column;
    gap: 2px;
    line-height: 1.35;
}

.pencere-3satir > span,
.pencere-3satir > strong {
    color: #38bdf8;
    font-weight: 400;
    display: grid;
    grid-template-columns: 2.4rem 1fr;
    column-gap: 6px;
    align-items: baseline;
}

.pencere-etiket {
    color: #94a3b8;
    font-size: 0.62rem;
    font-weight: 700;
    letter-spacing: 0.04em;
}

.pencere-sonuc > strong.ufl-sonuc {
    color: #f8fafc;
    font-weight: 700;
}

.trim-kalibrasyon {
    display: flex;
    flex-direction: column;
    gap: 1px;
    line-height: 1.3;
    font-size: 0.72rem;
}

.trim-kalibrasyon > span {
    color: #38bdf8;
    font-weight: 400;
    display: grid;
    grid-template-columns: 4.6rem 1fr;
    column-gap: 6px;
    align-items: baseline;
}

.trim-kalibrasyon > span.trim-sonuc {
    color: #facc15;
    font-weight: 800;
    background: rgba(250, 204, 21, 0.18);
    border-radius: 4px;
    padding: 4px 6px;
    margin-top: 6px;
    border-top: 1px solid #facc15;
    font-size: 1.05em;
    grid-template-columns: 4.6rem minmax(7.5rem, 1fr);
    white-space: nowrap;
}

.trim-kalibrasyon > span.trim-sonuc + span.trim-sonuc {
    margin-top: 2px;
}

.trim-kalibrasyon > span.trim-sonuc .pencere-etiket {
    color: #facc15;
}

.son-4satir {
    display: flex;
    flex-direction: column;
    gap: 2px;
    line-height: 1.35;
}

.son-4satir strong,
.son-4satir span {
    color: #38bdf8;
    font-weight: 400;
}

.son-4satir .ufl-sonuc {
    font-weight: 700;
    color: #f8fafc;
}

.agiz-2satir {
    display: flex;
    flex-direction: column;
    gap: 2px;
    line-height: 1.35;
}

.agiz-2satir span {
    color: #38bdf8;
    font-weight: 400;
}

.yontem-genel {
    display: flex;
    justify-content: space-between;
    gap: 10px;
    margin-bottom: 6px;
    padding-bottom: 4px;
    border-bottom: 1px solid var(--border);
    color: #f8fafc;
}

.yontem-genel strong {
    color: #38bdf8;
}

.yontem-row {
    display: flex;
    justify-content: space-between;
    gap: 12px;
    line-height: 1.35;
}

.yontem-val {
    color: #38bdf8;
    font-weight: 500;
}

.musteri-3col {
    display: flex;
    flex-direction: column;
    gap: 4px;
    font-family: ui-monospace, SFMono-Regular, Menlo, monospace;
    font-size: 0.9rem;
}

.musteri-3col div {
    display: flex;
    justify-content: space-between;
    gap: 12px;
}

.musteri-3col span {
    color: var(--muted);
}

.musteri-3col strong {
    color: #f8fafc;
}

.musteri-tek {
    font-family: ui-monospace, SFMono-Regular, Menlo, monospace;
}

.version-history {
    display: flex;
    flex-direction: column;
    align-items: flex-end;
    gap: 2px;
    font-size: 0.75rem;
    line-height: 1.2;
}

.version-history .version-new {
    color: #4ade80;
    font-weight: 700;
}

.version-history span {
    color: var(--muted);
}

/* Cihaz Izleme: metinler %20 kucuk (yalniz bu ekran) */
#panel-izleme .panel-toolbar h2 {
    font-size: 0.96rem;
}

#panel-izleme .btn {
    font-size: 0.72rem;
    padding: 6px 11px;
}

#panel-izleme .btn-sm {
    font-size: 0.64rem;
    padding: 4px 8px;
}

#panel-izleme .input-select {
    font-size: 0.72rem;
    padding: 7px 10px;
}

#panel-izleme .data-table {
    font-size: 0.72rem;
}

#panel-izleme .data-table th,
#panel-izleme .data-table td {
    padding: 10px 11px;
}

#panel-izleme .badge {
    font-size: 0.6rem;
}

/* Olcumler: siki HAZ/SON sutunlari icin daha kucuk yazi ve hucre */
#panel-olcumler .panel-toolbar h2 {
    font-size: 1rem;
}

#panel-olcumler .input-select {
    font-size: 0.78rem;
    padding: 6px 10px;
}

#panel-olcumler .data-table {
    font-size: 0.75rem;
}

#panel-olcumler .data-table th,
#panel-olcumler .data-table td {
    padding: 7px 8px;
}

#panel-olcumler .badge {
    font-size: 0.62rem;
}

#panel-olcumler .yontem-cell,
#panel-olcumler .hata-cell {
    font-size: 0.66rem;
}

#panel-olcumler .olcum-mq .yontem-cell {
    font-size: 0.5rem;
}

#panel-olcumler .pencere-etiket {
    font-size: 0.55rem;
}

#panel-olcumler .trim-kalibrasyon {
    font-size: 0.62rem;
}

#panel-olcumler .trim-kalibrasyon > span.trim-sonuc {
    padding: 2px 4px;
    margin-top: 3px;
}

#panel-olcumler .trim-kalibrasyon > span.trim-sonuc-ana {
    font-size: 1.15rem;
    font-weight: 800;
    padding: 8px 10px;
    margin-bottom: 8px;
    letter-spacing: 0.02em;
}

span.promil-warn,
.ufl-3satir span.promil-warn,
.pencere-3satir span.promil-warn,
.musteri-3col span.promil-warn,
.yontem-val .promil-warn,
strong .promil-warn {
    color: #ef4444;
}

@media (max-width: 768px) {
    .header {
        flex-direction: column;
    }

    .panel-toolbar {
        flex-direction: column;
        align-items: flex-start;
    }

    .toolbar-right {
        width: 100%;
        flex-wrap: wrap;
    }

    .input-select {
        width: 100%;
    }
}