:root {
            --font: "Plus Jakarta Sans", system-ui, -apple-system, "Segoe UI", sans-serif;
            --text: #0f172a;
            --text-secondary: #475569;
            --text-muted: #94a3b8;
            --bg: #f1f5f9;
            --surface: #ffffff;
            --surface-2: #f8fafc;
            --border: #e2e8f0;
            --border-strong: #cbd5e1;
            --primary: #0e7490;
            --primary-dark: #155e75;
            --accent: #d97706;
            --accent-soft: #fffbeb;
            --success: #166534;
            --success-bg: #dcfce7;
            --success-border: #86efac;
            --warning: #9a3412;
            --warning-bg: #ffedd5;
            --warning-border: #fdba74;
            --danger: #b91c1c;
            --danger-bg: #fee2e2;
            --ring: #38bdf8;
            --shadow-sm: 0 1px 2px rgba(15, 23, 42, 0.06);
            --shadow: 0 4px 6px -1px rgba(15, 23, 42, 0.07), 0 2px 4px -2px rgba(15, 23, 42, 0.05);
            --shadow-md: 0 12px 24px -6px rgba(15, 23, 42, 0.1);
            --radius: 16px;
            --radius-sm: 12px;
            --radius-xs: 10px;
        }
        * { box-sizing: border-box; }
        html { -webkit-text-size-adjust: 100%; scroll-behavior: smooth; }
        body {
            margin: 0;
            font-family: var(--font);
            background: var(--bg);
            color: var(--text);
            line-height: 1.6;
            font-size: 1rem;
        }
        .wrap {
            max-width: 1080px;
            margin: 0 auto;
            padding: clamp(1rem, 4vw, 2rem) clamp(0.75rem, 3vw, 1.25rem) 3.5rem;
        }

        /* Üst bölüm */
        .hero {
            margin-bottom: 1.75rem;
        }
        .hero-inner {
            text-align: center;
            padding: clamp(1.75rem, 5vw, 2.85rem) 1.35rem;
            background: linear-gradient(165deg, var(--surface) 0%, #f0fdfa 55%, #ecfeff 100%);
            border: 1px solid var(--border);
            border-radius: var(--radius);
            box-shadow: var(--shadow);
            position: relative;
            overflow: hidden;
        }
        .hero-inner::before {
            content: "";
            position: absolute;
            top: 0; left: 0; right: 0;
            height: 4px;
            background: linear-gradient(90deg, var(--primary), #f59e0b 45%, var(--primary));
            opacity: 0.95;
        }
        .hero-badge {
            display: inline-block;
            font-size: 0.7rem;
            font-weight: 700;
            letter-spacing: 0.08em;
            text-transform: uppercase;
            color: var(--primary-dark);
            background: rgba(14, 116, 144, 0.12);
            padding: 0.4rem 0.85rem;
            border-radius: 999px;
            margin-bottom: 1rem;
        }
        .hero h1 {
            margin: 0;
            font-size: clamp(1.85rem, 5.5vw, 2.5rem);
            font-weight: 800;
            letter-spacing: -0.03em;
            color: var(--text);
            line-height: 1.12;
        }
        .hero .sub {
            margin: 0.75rem auto 0;
            font-size: 1.05rem;
            color: var(--text-secondary);
            font-weight: 500;
            font-style: normal;
            max-width: 36rem;
            line-height: 1.5;
        }
        .hero .date {
            margin: 1.1rem 0 0;
            font-size: 0.875rem;
            color: var(--text-muted);
        }

        /* KPI */
        .kpi-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
            gap: 1rem;
            margin: 0 0 0.75rem;
        }
        .kpi {
            background: var(--surface);
            border-radius: var(--radius-sm);
            padding: 1.15rem 1.25rem;
            border: 1px solid var(--border);
            box-shadow: var(--shadow-sm);
            transition: border-color 0.18s, box-shadow 0.18s;
        }
        .kpi:hover {
            border-color: var(--border-strong);
            box-shadow: var(--shadow);
        }
        .kpi span {
            display: block;
            font-size: 0.68rem;
            font-weight: 700;
            text-transform: uppercase;
            letter-spacing: 0.06em;
            color: var(--text-muted);
            margin-bottom: 0.45rem;
        }
        .kpi strong {
            display: block;
            font-size: 1.42rem;
            font-weight: 800;
            color: var(--text);
            letter-spacing: -0.02em;
        }
        .kpi-grid + .note { margin-top: 0; }

        /* Rapor bölümleri */
        section:not(.canli-section) {
            margin-bottom: 1.5rem;
            padding: 1.5rem 1.35rem;
            background: var(--surface);
            border: 1px solid var(--border);
            border-radius: var(--radius);
            box-shadow: var(--shadow-sm);
        }
        section:not(.canli-section) h2 {
            font-size: 1.22rem;
            margin: 0 0 0.85rem;
            padding-bottom: 0.65rem;
            border-bottom: 1px solid var(--border);
            color: var(--text);
            font-weight: 800;
            letter-spacing: -0.02em;
        }
        section:not(.canli-section) h3 {
            font-size: 1.02rem;
            color: var(--primary-dark);
            margin: 1.35rem 0 0.55rem;
            font-weight: 700;
        }
        section:not(.canli-section) p {
            margin: 0 0 0.85rem;
            color: var(--text-secondary);
            max-width: 68ch;
        }
        section:not(.canli-section) p:last-child { margin-bottom: 0; }

        .note {
            font-style: normal;
            color: var(--text-muted);
            font-size: 0.9rem;
            line-height: 1.55;
        }

        .chart-box {
            background: var(--surface-2);
            border-radius: var(--radius-sm);
            padding: 1rem;
            margin: 1rem 0;
            border: 1px solid var(--border);
            height: 360px;
            position: relative;
        }
        .chart-box.tall { height: 420px; }

        table.data {
            width: 100%;
            border-collapse: collapse;
            font-size: 0.9rem;
            border-radius: var(--radius-sm);
            overflow: hidden;
            border: 1px solid var(--border);
        }
        table.data th {
            background: var(--text);
            color: #f8fafc;
            padding: 0.85rem 0.75rem;
            text-align: left;
            font-weight: 700;
            font-size: 0.72rem;
            text-transform: uppercase;
            letter-spacing: 0.05em;
        }
        table.data td {
            padding: 0.72rem 0.65rem;
            border-bottom: 1px solid var(--border);
            background: var(--surface);
        }
        table.data tr:last-child td { border-bottom: none; }
        table.data tr:nth-child(even) td { background: var(--surface-2); }
        table.data .center { text-align: center; }
        table.data .up { color: var(--success); font-weight: 700; }
        table.data .down { color: var(--danger); font-weight: 700; }
        table.data .highlight { background: var(--accent-soft) !important; font-weight: 700; }
        table.data th.alt { background: var(--primary-dark); }

        ul.findings {
            padding-left: 1.25rem;
            color: var(--text-secondary);
        }
        ul.findings li { margin-bottom: 0.55rem; }

        footer.foot {
            text-align: center;
            padding: 2rem 1rem;
            color: var(--text-muted);
            font-size: 0.8125rem;
            border-top: 1px solid var(--border);
            margin-top: 2rem;
        }

        /* Canlı fiyat kartı */
        .canli-section {
            background: var(--surface);
            border-radius: var(--radius);
            padding: 0;
            margin-bottom: 1.75rem;
            border: 1px solid var(--border);
            box-shadow: var(--shadow-md);
            overflow: hidden;
        }
        .canli-toolbar {
            display: flex;
            flex-wrap: wrap;
            align-items: flex-start;
            justify-content: space-between;
            gap: 1rem;
            padding: 1.35rem 1.35rem 1.15rem;
            background: linear-gradient(180deg, var(--surface-2) 0%, var(--surface) 100%);
            border-bottom: 1px solid var(--border);
        }
        .canli-title {
            margin: 0;
            font-size: 1.28rem;
            font-weight: 800;
            color: var(--text);
            letter-spacing: -0.02em;
        }
        .canli-lead {
            margin: 0.35rem 0 0;
            font-size: 0.875rem;
            color: var(--text-muted);
            line-height: 1.45;
        }
        .canli-actions {
            display: flex;
            flex-wrap: wrap;
            align-items: center;
            gap: 0.65rem;
        }
        .status-pill {
            font-size: 0.78rem;
            color: var(--text-secondary);
            background: var(--surface-2);
            padding: 0.5rem 0.95rem;
            border-radius: 999px;
            border: 1px solid var(--border);
            max-width: 100%;
            line-height: 1.35;
        }
        .btn-yenile {
            font: inherit;
            cursor: pointer;
            padding: 0.65rem 1.4rem;
            border-radius: 999px;
            border: none;
            background: var(--primary);
            color: #fff;
            font-weight: 700;
            font-size: 0.9rem;
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 0.5rem;
            box-shadow: var(--shadow-sm);
            transition: background 0.15s, transform 0.1s;
        }
        .btn-yenile:hover:not(:disabled) { background: var(--primary-dark); }
        .btn-yenile:active:not(:disabled) { transform: scale(0.98); }
        .btn-yenile:disabled { opacity: 0.55; cursor: not-allowed; }
        .btn-yenile:focus-visible { outline: 3px solid var(--ring); outline-offset: 2px; }
        .btn-yenile .spin {
            width: 1em;
            height: 1em;
            border: 2px solid rgba(255,255,255,0.35);
            border-top-color: #fff;
            border-radius: 50%;
            animation: canli-spin 0.7s linear infinite;
            display: none;
        }
        .btn-yenile.loading .spin { display: inline-block; }
        @keyframes canli-spin { to { transform: rotate(360deg); } }

        .canli-body {
            padding: 1.15rem 1.35rem 0;
        }
        .help-text {
            margin: 0 0 1rem;
            font-size: 0.875rem;
            color: var(--text-muted);
            line-height: 1.5;
        }
        .table-scroll {
            overflow-x: auto;
            -webkit-overflow-scrolling: touch;
            margin: 0 -0.15rem;
            padding: 0 0.15rem 1.25rem;
        }
        #canli-icerik table.data { min-width: 560px; }
        #canli-icerik .canli-box h3 {
            margin: 0 0 0.75rem;
            font-size: 0.92rem;
            font-weight: 700;
            color: var(--text-secondary);
            text-transform: uppercase;
            letter-spacing: 0.04em;
        }
        #canli-icerik .canli-box table.data { font-size: 0.82rem; }
        #canli-icerik .canli-box table.data th { padding: 0.6rem 0.45rem; font-size: 0.68rem; }
        #canli-icerik .canli-box table.data td { padding: 0.52rem 0.4rem; }
        #canli-icerik .canli-box table.data tbody tr.canli-row-selectable {
            cursor: pointer;
            transition: background-color 0.15s ease, box-shadow 0.15s ease;
        }
        #canli-icerik .canli-box table.data tbody tr.canli-row-selectable:hover td {
            background: rgba(253, 230, 138, 0.42) !important;
        }
        .canli-row-highlight td {
            background: linear-gradient(105deg, #fef3c7 0%, #fde047 35%, #f59e0b 50%, #fde047 65%, #fef3c7 100%) !important;
            box-shadow: inset 0 0 0 2px rgba(146, 64, 14, 0.35);
            color: #78350f;
            font-weight: 700;
        }
        .canli-row-highlight td .up,
        .canli-row-highlight td .down {
            color: #a16207;
            font-weight: 800;
        }
        .canli-err {
            color: var(--danger);
            padding: 0.9rem 1rem;
            background: var(--danger-bg);
            border-radius: var(--radius-xs);
            font-size: 0.9rem;
            border: 1px solid #fecaca;
        }

        /* Hesaplayıcı */
        .cevirici {
            margin: 0;
            padding: 1.4rem 1.35rem 1.6rem;
            border-top: 1px solid var(--border);
            background: linear-gradient(180deg, var(--surface-2) 0%, var(--surface) 48%);
        }
        .calc-heading { margin: 0; font-size: 1.12rem; font-weight: 800; color: var(--text); letter-spacing: -0.02em; }
        .calc-sub {
            margin: 0.4rem 0 1.1rem;
            font-size: 0.875rem;
            color: var(--text-muted);
            line-height: 1.45;
            max-width: 52ch;
        }
        .cevirici-aciklama {
            background: var(--surface);
            border: 1px solid var(--border);
            border-radius: var(--radius-sm);
            padding: 1rem 1.15rem;
            margin: 0 0 1.25rem;
            font-size: 0.875rem;
            color: var(--text-secondary);
            line-height: 1.6;
            border-left: 3px solid var(--primary);
        }
        .cevirici-aciklama strong { color: var(--text); }

        .cev-hesap-panel {
            background: var(--surface);
            border: 1px solid var(--border);
            border-radius: var(--radius-sm);
            padding: 1.35rem 1.25rem;
            box-shadow: var(--shadow-sm);
        }
        .cev-urun-wrap {
            margin-bottom: 0.15rem;
        }
        .cev-urun-wrap label,
        .cevirici-form label {
            display: block;
            font-size: 0.72rem;
            font-weight: 700;
            text-transform: uppercase;
            letter-spacing: 0.07em;
            color: var(--text-muted);
            margin-bottom: 0.45rem;
        }
        .cev-urun-wrap select {
            width: 100%;
            font: inherit;
            padding: 0.8rem 2.65rem 0.8rem 1rem;
            border: 1px solid var(--border-strong);
            border-radius: var(--radius-xs);
            min-height: 52px;
            font-size: 1rem;
            background-color: var(--surface);
            background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' fill='none' viewBox='0 0 24 24' stroke='%23475569'%3E%3Cpath stroke-linecap='round' stroke-linejoin='round' stroke-width='2' d='M19 9l-7 7-7-7'%3E%3C/path%3E%3C/svg%3E");
            background-repeat: no-repeat;
            background-position: right 0.85rem center;
            background-size: 1.2rem;
            appearance: none;
            cursor: pointer;
            transition: border-color 0.15s, box-shadow 0.15s;
        }
        .cev-urun-wrap select:focus {
            outline: none;
            border-color: var(--primary);
            box-shadow: 0 0 0 3px rgba(14, 116, 144, 0.2);
        }
        .cev-urun-wrap select:disabled {
            opacity: 0.55;
            cursor: not-allowed;
            background-color: var(--surface-2);
        }

        .cev-segmented {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 0.35rem;
            padding: 0.35rem;
            background: var(--surface-2);
            border: 1px solid var(--border);
            border-radius: var(--radius-sm);
            margin: 1.15rem 0 0.65rem;
        }
        .cev-seg {
            cursor: pointer;
            margin: 0;
            position: relative;
        }
        .cev-seg input {
            position: absolute;
            opacity: 0;
            width: 0;
            height: 0;
            pointer-events: none;
        }
        .cev-seg-text {
            display: block;
            text-align: center;
            padding: 0.78rem 0.45rem;
            border-radius: var(--radius-xs);
            font-size: 0.84rem;
            font-weight: 600;
            color: var(--text-muted);
            transition: background 0.15s, color 0.15s, box-shadow 0.15s;
        }
        .cev-seg input:focus-visible + .cev-seg-text {
            outline: 2px solid var(--ring);
            outline-offset: 2px;
        }
        .cev-seg:hover .cev-seg-text { color: var(--text-secondary); }
        .cev-seg input:checked + .cev-seg-text {
            background: var(--surface);
            color: var(--text);
            font-weight: 700;
            box-shadow: var(--shadow-sm);
            border: 1px solid var(--border);
        }

        .cev-birim-etiket {
            font-size: 0.8125rem;
            color: var(--text-muted);
            margin: 0 0 0.85rem;
            line-height: 1.45;
        }
        .cevirici-form input[type="text"] {
            font: inherit;
            padding: 0.8rem 1rem;
            border: 1px solid var(--border-strong);
            border-radius: var(--radius-xs);
            width: 100%;
            font-size: 1rem;
            min-height: 52px;
            transition: border-color 0.15s, box-shadow 0.15s;
            background: var(--surface);
        }
        .cevirici-form input:focus {
            outline: none;
            border-color: var(--primary);
            box-shadow: 0 0 0 3px rgba(14, 116, 144, 0.18);
        }
        .cevirici-form input:disabled {
            background: var(--surface-2);
            opacity: 0.6;
            cursor: not-allowed;
        }

        .cev-hesap-sonuc { margin-top: 1.2rem; }
        .cevirici-sonuc-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
            gap: 1rem;
        }
        .cevirici-kart {
            border-radius: var(--radius-sm);
            padding: 1.2rem 1.2rem;
            border: 1px solid transparent;
        }
        .cevirici-kart h4 {
            margin: 0 0 0.5rem;
            font-size: 0.72rem;
            font-weight: 700;
            text-transform: uppercase;
            letter-spacing: 0.06em;
            line-height: 1.35;
            opacity: 0.92;
        }
        .cevirici-kart .buyuk {
            display: block;
            font-size: 1.38rem;
            font-weight: 800;
            letter-spacing: -0.02em;
            line-height: 1.2;
        }
        .cevirici-kart .birim {
            display: block;
            margin-top: 0.55rem;
            font-size: 0.8rem;
            line-height: 1.45;
            color: var(--text-secondary);
        }
        .cevirici-kart.bozdur {
            background: var(--success-bg);
            border-color: var(--success-border);
        }
        .cevirici-kart.bozdur .buyuk { color: var(--success); }
        .cevirici-kart.bozdur h4 { color: var(--success); }
        .cevirici-kart.alim {
            background: var(--warning-bg);
            border-color: var(--warning-border);
        }
        .cevirici-kart.alim .buyuk { color: var(--warning); }
        .cevirici-kart.alim h4 { color: var(--warning); }
        .cevirici-bekle {
            margin: 0;
            color: var(--text-muted);
            font-size: 0.9rem;
            padding: 0.9rem 1rem;
            background: var(--surface-2);
            border-radius: var(--radius-xs);
            border: 1px dashed var(--border-strong);
            line-height: 1.5;
        }

        @media (max-width: 640px) {
            .canli-toolbar {
                flex-direction: column;
                align-items: stretch;
                padding: 1.15rem 1rem;
            }
            .canli-title { font-size: 1.08rem; }
            .canli-actions {
                flex-direction: column;
                align-items: stretch;
            }
            .btn-yenile {
                width: 100%;
                min-height: 50px;
                font-size: 0.95rem;
            }
            .status-pill { text-align: center; }
            .canli-body { padding: 0.85rem 1rem 0; }
            .cevirici { padding: 1.15rem 1rem 1.35rem; }
            .cev-hesap-panel { padding: 1.15rem 1rem; }
            .chart-box { height: min(300px, 72vw); }
            .chart-box.tall { height: min(340px, 78vw); }
            .kpi strong { font-size: 1.3rem; }
            table.data { font-size: 0.8rem; }
            table.data th, table.data td { padding: 0.5rem 0.35rem; }
            section:not(.canli-section) { padding: 1.15rem 1rem; }
            section:not(.canli-section) h2 { font-size: 1.1rem; }
            .cevirici-kart .buyuk { font-size: 1.22rem; }
            .cevirici-sonuc-grid { grid-template-columns: 1fr; }
        }

        @media print {
            body { background: #fff; }
            .chart-box { break-inside: avoid; }
            .canli-toolbar, .btn-yenile { break-inside: avoid; }
        }