/* ==========================================================
   MERİT TORNA — Stok Takip Sistemi
   Tasarım dili: atölye/torna teması. Koyu grafit + bakır talaşı
   vurgusu. Başlıklarda "Space Grotesk", gövde ve verilerde "Inter".
   ========================================================== */

@import url('https://fonts.googleapis.com/css2?family=Space+Grotesk:wght@500;600;700&family=Inter:wght@400;500;600;700&display=swap');

:root {
    --graphite: #23262B;
    --graphite-2: #2E323A;
    --graphite-3: #3A3F49;
    --bg: #F3F1EC;
    --surface: #FFFFFF;
    --copper: #C1622D;
    --copper-light: #E2905A;
    --copper-dim: rgba(193, 98, 45, 0.12);
    --steel: #667085;
    --line: #E4E1D8;
    --success: #3F7A56;
    --success-bg: #E7F1EA;
    --danger: #B3382E;
    --danger-bg: #FBEAE8;
    --text: #23262B;
    --text-soft: #5B6472;
    --radius: 10px;
    --shadow: 0 1px 2px rgba(35,38,43,0.06), 0 8px 24px rgba(35,38,43,0.06);
}

* { box-sizing: border-box; }

html, body {
    margin: 0;
    padding: 0;
    background: var(--bg);
    color: var(--text);
    font-family: 'Inter', -apple-system, sans-serif;
    font-size: 15px;
    line-height: 1.5;
}

h1, h2, h3, .marka {
    font-family: 'Space Grotesk', 'Inter', sans-serif;
    font-weight: 600;
    letter-spacing: -0.01em;
}

a { color: inherit; text-decoration: none; }

button, input, select, textarea { font-family: inherit; font-size: inherit; }

/* ---------- Lathe-chuck signature mark ---------- */
.chuck-mark {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}
.chuck-mark svg { display: block; }
@media (prefers-reduced-motion: no-preference) {
    .chuck-mark.donen svg { animation: donDur 40s linear infinite; }
}
@keyframes donDur {
    from { transform: rotate(0deg); }
    to { transform: rotate(360deg); }
}

/* ==========================================================
   AUTH SAYFALARI (login / register)
   ========================================================== */
.auth-wrap {
    min-height: 100vh;
    display: grid;
    grid-template-columns: 1fr 1fr;
}
@media (max-width: 860px) {
    .auth-wrap { grid-template-columns: 1fr; }
    .auth-vitrin { display: none; }
}

.auth-vitrin {
    background:
        radial-gradient(circle at 20% 85%, rgba(193,98,45,0.18), transparent 45%),
        var(--graphite);
    color: #F3F1EC;
    padding: 56px;
    display: flex;
    flex-direction: column;
    justify-content: space-between;
    position: relative;
    overflow: hidden;
}
.auth-vitrin .halka-dekor {
    position: absolute;
    right: -120px;
    bottom: -120px;
    opacity: 0.35;
}
.auth-vitrin .marka {
    display: flex;
    align-items: center;
    gap: 12px;
    font-size: 22px;
    position: relative;
    z-index: 1;
}
.auth-vitrin .slogan {
    position: relative;
    z-index: 1;
    max-width: 380px;
}
.auth-vitrin .slogan h2 {
    font-size: 30px;
    line-height: 1.25;
    margin: 0 0 14px;
}
.auth-vitrin .slogan p {
    color: #C7CAD1;
    margin: 0;
    font-size: 15px;
}
.auth-vitrin .alt-bilgi {
    position: relative;
    z-index: 1;
    color: #8B92A0;
    font-size: 13px;
    text-transform: uppercase;
    letter-spacing: 0.08em;
}

.auth-form-alan {
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 40px 24px;
}
.auth-kart {
    width: 100%;
    max-width: 380px;
}
.auth-kart .marka-mobil {
    display: none;
    align-items: center;
    gap: 10px;
    margin-bottom: 28px;
    font-size: 19px;
    color: var(--graphite);
}
@media (max-width: 860px) {
    .auth-kart .marka-mobil { display: flex; }
}
.auth-kart h1 {
    font-size: 24px;
    margin: 0 0 6px;
}
.auth-kart .alt-baslik {
    color: var(--text-soft);
    margin: 0 0 28px;
    font-size: 14px;
}

.alan {
    margin-bottom: 16px;
}
.alan label {
    display: block;
    font-size: 13px;
    font-weight: 600;
    margin-bottom: 6px;
    color: var(--graphite);
}
.alan input,
.alan select,
.alan textarea {
    width: 100%;
    padding: 11px 13px;
    border: 1.5px solid var(--line);
    border-radius: 8px;
    background: var(--surface);
    color: var(--text);
    transition: border-color .15s ease, box-shadow .15s ease;
}
.alan input:focus,
.alan select:focus,
.alan textarea:focus {
    outline: none;
    border-color: var(--copper);
    box-shadow: 0 0 0 3px var(--copper-dim);
}
.alan textarea { resize: vertical; min-height: 80px; }

.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    border: none;
    border-radius: 8px;
    padding: 11px 20px;
    font-weight: 600;
    font-size: 14px;
    cursor: pointer;
    transition: transform .1s ease, filter .15s ease;
}
.btn:active { transform: translateY(1px); }
.btn-bakir {
    background: var(--copper);
    color: #fff;
    width: 100%;
}
.btn-bakir:hover { filter: brightness(1.08); }
.btn-hat {
    background: transparent;
    border: 1.5px solid var(--line);
    color: var(--text);
}
.btn-hat:hover { border-color: var(--copper); color: var(--copper); }
.btn-tehlike {
    background: var(--danger-bg);
    color: var(--danger);
}
.btn-tehlike:hover { filter: brightness(0.96); }
.btn-kucuk { padding: 7px 12px; font-size: 13px; }

.auth-alt-link {
    text-align: center;
    margin-top: 22px;
    font-size: 14px;
    color: var(--text-soft);
}
.auth-alt-link a { color: var(--copper); font-weight: 600; }

.uyari {
    padding: 11px 14px;
    border-radius: 8px;
    font-size: 13.5px;
    margin-bottom: 18px;
    font-weight: 500;
}
.uyari-basari { background: var(--success-bg); color: var(--success); }
.uyari-hata { background: var(--danger-bg); color: var(--danger); }

/* ==========================================================
   UYGULAMA KABUĞU (sidebar + içerik)
   ========================================================== */
.kabuk {
    display: grid;
    grid-template-columns: 240px 1fr;
    min-height: 100vh;
}
@media (max-width: 780px) {
    .kabuk { grid-template-columns: 1fr; }
    .kenar-cubugu {
        position: sticky;
        top: 0;
        z-index: 50;
        height: auto;
        flex-direction: row;
        align-items: center;
        flex-wrap: wrap;
        gap: 10px 16px;
        padding: 14px 16px;
    }
    .kenar-cubugu .marka {
        border-bottom: none;
        margin-bottom: 0;
        padding: 0;
        font-size: 16px;
        flex: none;
    }
    .nav-liste {
        display: flex;
        flex: 1 1 auto;
        gap: 4px;
        overflow-x: auto;
        -webkit-overflow-scrolling: touch;
    }
    .nav-liste a {
        margin-bottom: 0;
        white-space: nowrap;
        padding: 8px 12px;
        font-size: 13.5px;
    }
    .kenar-alt {
        border-top: none;
        padding-top: 0;
        flex: none;
    }
    .kullanici-etiket { display: none; }
    .cikis-link { padding: 8px 14px; }
}
@media (max-width: 480px) {
    .kenar-cubugu .marka span:last-child { display: none; }
}

.kenar-cubugu {
    background: var(--graphite);
    color: #E7E8EA;
    padding: 26px 18px;
    display: flex;
    flex-direction: column;
    position: sticky;
    top: 0;
    height: 100vh;
}
.kenar-cubugu .marka {
    color: #fff;
    font-size: 18px;
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 0 8px 26px;
    border-bottom: 1px solid rgba(255,255,255,0.08);
    margin-bottom: 18px;
}
.nav-liste { list-style: none; padding: 0; margin: 0; flex: 1; }
.nav-liste a {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 11px 12px;
    border-radius: 8px;
    color: #B9BDC6;
    font-weight: 500;
    font-size: 14.5px;
    margin-bottom: 4px;
    transition: background .15s ease, color .15s ease;
}
.nav-liste a:hover { background: var(--graphite-2); color: #fff; }
.nav-liste a.aktif { background: var(--copper); color: #fff; }

.kenar-alt {
    border-top: 1px solid rgba(255,255,255,0.08);
    padding-top: 16px;
}
.kullanici-etiket {
    font-size: 13px;
    color: #9BA1AC;
    margin-bottom: 10px;
    padding: 0 4px;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}
.kullanici-etiket strong { display: block; color: #fff; font-size: 14px; }
.cikis-link {
    display: block;
    text-align: center;
    padding: 9px;
    border-radius: 8px;
    border: 1px solid rgba(255,255,255,0.14);
    color: #E7E8EA;
    font-size: 13.5px;
    font-weight: 500;
}
.cikis-link:hover { border-color: var(--copper); color: var(--copper-light); }

.icerik { padding: 32px 36px; max-width: 1180px; }
@media (max-width: 600px) {
    .icerik { padding: 18px 14px; }
    .form-kart { padding: 18px; }
    .sayfa-basligi { align-items: flex-start; }
    .sayfa-basligi h1 { font-size: 21px; }
    .istatistikler { grid-template-columns: 1fr 1fr; }
    .filtre-cubugu { flex-direction: column; align-items: stretch; }
    .filtre-cubugu select,
    .filtre-cubugu .btn { width: 100%; }
    .auth-form-alan { padding: 28px 18px; }
}
@media (max-width: 380px) {
    .istatistikler { grid-template-columns: 1fr; }
}

.sayfa-basligi {
    display: flex;
    align-items: flex-end;
    justify-content: space-between;
    gap: 16px;
    margin-bottom: 24px;
    flex-wrap: wrap;
}
.sayfa-basligi h1 { font-size: 24px; margin: 0 0 4px; }
.sayfa-basligi p { margin: 0; color: var(--text-soft); font-size: 14px; }

/* İstatistik kartları */
.istatistikler {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
    gap: 14px;
    margin-bottom: 26px;
}
.istatistik-kart {
    background: var(--surface);
    border: 1px solid var(--line);
    border-radius: var(--radius);
    padding: 18px 20px;
}
.istatistik-kart .etiket {
    font-size: 12.5px;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    color: var(--text-soft);
    font-weight: 600;
}
.istatistik-kart .deger {
    font-family: 'Space Grotesk', sans-serif;
    font-size: 28px;
    font-weight: 700;
    margin-top: 6px;
}
.istatistik-kart.uyarili .deger { color: var(--danger); }

/* Filtre çubuğu */
.filtre-cubugu {
    display: flex;
    gap: 10px;
    margin-bottom: 18px;
    flex-wrap: wrap;
    align-items: center;
}
.filtre-cubugu input[type="text"],
.filtre-cubugu select {
    padding: 10px 13px;
    border: 1.5px solid var(--line);
    border-radius: 8px;
    background: var(--surface);
}
.filtre-cubugu input[type="text"] { flex: 1; min-width: 200px; }

/* Tablo kartı */
.tablo-kart {
    background: var(--surface);
    border: 1px solid var(--line);
    border-radius: var(--radius);
    overflow-x: auto;
    -webkit-overflow-scrolling: touch;
    box-shadow: var(--shadow);
}
table { width: 100%; min-width: 720px; border-collapse: collapse; }
thead th {
    text-align: left;
    font-size: 12px;
    text-transform: uppercase;
    letter-spacing: 0.06em;
    color: var(--text-soft);
    background: #FAF9F6;
    padding: 13px 16px;
    border-bottom: 1px solid var(--line);
    font-weight: 700;
}
tbody td {
    padding: 14px 16px;
    border-bottom: 1px solid var(--line);
    font-size: 14.5px;
    vertical-align: middle;
}
tbody tr:last-child td { border-bottom: none; }
tbody tr:hover { background: #FAF9F6; }

.urun-adi { font-weight: 600; color: var(--graphite); }
.urun-kategori { color: var(--text-soft); font-size: 13px; }

.rozet {
    display: inline-flex;
    align-items: center;
    gap: 5px;
    padding: 4px 10px;
    border-radius: 999px;
    font-size: 12.5px;
    font-weight: 600;
}
.rozet-normal { background: var(--success-bg); color: var(--success); }
.rozet-kritik { background: var(--danger-bg); color: var(--danger); }

.islem-hucre { display: flex; gap: 8px; justify-content: flex-end; }

.bos-durum {
    text-align: center;
    padding: 60px 20px;
    color: var(--text-soft);
}
.bos-durum .chuck-mark { margin-bottom: 14px; opacity: 0.5; }
.bos-durum h3 { color: var(--graphite); margin: 0 0 6px; }

/* Form sayfası (ürün ekle/düzenle) */
.form-kart {
    background: var(--surface);
    border: 1px solid var(--line);
    border-radius: var(--radius);
    padding: 28px;
    max-width: 640px;
    box-shadow: var(--shadow);
}
.form-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4px 16px;
}
.form-grid .alan-genis { grid-column: 1 / -1; }
@media (max-width: 560px) { .form-grid { grid-template-columns: 1fr; } }
.form-aksiyonlar {
    display: flex;
    gap: 10px;
    margin-top: 8px;
}

.geri-link {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    color: var(--text-soft);
    font-size: 13.5px;
    font-weight: 600;
    margin-bottom: 18px;
}
.geri-link:hover { color: var(--copper); }

/* ---------- Görsel yükleme (ürün ekle/düzenle) ---------- */
.gorsel-yukleme {
    display: flex;
    gap: 16px;
    align-items: flex-start;
}
.gorsel-onizleme {
    width: 84px;
    height: 84px;
    border-radius: 10px;
    background: #FAF9F6;
    border: 1.5px dashed var(--line);
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: hidden;
    flex-shrink: 0;
}
.gorsel-onizleme img { width: 100%; height: 100%; object-fit: cover; }
.yardim-metni { font-size: 12.5px; color: var(--text-soft); margin: 6px 0 0; }
.onay-kutusu {
    display: flex;
    align-items: center;
    gap: 6px;
    font-size: 13px;
    color: var(--text-soft);
    margin-top: 10px;
    cursor: pointer;
    font-weight: 500;
}
.onay-kutusu input { width: auto; }

/* ---------- Tabloda küçük ürün görseli ---------- */
.tablo-gorsel {
    display: flex;
    width: 40px;
    height: 40px;
    border-radius: 8px;
    overflow: hidden;
    background: #FAF9F6;
    border: 1px solid var(--line);
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}
.tablo-gorsel img { width: 100%; height: 100%; object-fit: cover; }

/* ---------- Ürün detay sayfası ---------- */
.detay-duzen {
    display: grid;
    grid-template-columns: 320px 1fr;
    gap: 22px;
    align-items: start;
}
@media (max-width: 760px) {
    .detay-duzen { grid-template-columns: 1fr; }
}
.detay-gorsel {
    background: var(--surface);
    border: 1px solid var(--line);
    border-radius: var(--radius);
    overflow: hidden;
    aspect-ratio: 1 / 1;
    box-shadow: var(--shadow);
}
.detay-gorsel img { width: 100%; height: 100%; object-fit: cover; display: block; }
.detay-gorsel-yer-tutucu {
    width: 100%;
    height: 100%;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 10px;
    color: var(--text-soft);
    font-size: 13px;
    background: #FAF9F6;
}

.detay-bilgi-kart {
    background: var(--surface);
    border: 1px solid var(--line);
    border-radius: var(--radius);
    padding: 24px;
    box-shadow: var(--shadow);
}
.detay-durum { margin-bottom: 18px; }
.detay-liste {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 18px 20px;
    margin: 0;
}
@media (max-width: 480px) {
    .detay-liste { grid-template-columns: 1fr; }
}
.detay-liste dt {
    font-size: 12px;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    color: var(--text-soft);
    font-weight: 600;
    margin-bottom: 4px;
}
.detay-liste dd {
    margin: 0;
    font-size: 17px;
    font-weight: 600;
    color: var(--graphite);
    font-family: 'Space Grotesk', sans-serif;
}
.detay-aciklama {
    margin-top: 22px;
    padding-top: 20px;
    border-top: 1px solid var(--line);
}
.detay-aciklama dt {
    font-size: 12px;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    color: var(--text-soft);
    font-weight: 600;
    margin-bottom: 8px;
}
.detay-aciklama p {
    margin: 0;
    color: var(--text);
    line-height: 1.6;
}