/* =============================================================================
   Tedarikçi Teklif Portalı (teklifver.sericapos.com) — Apple UX
   Bağımsız site; Hub root değişkenlerine bağlı değil. Kendi değişkenleri.
   ============================================================================= */

:root {
    --tv-primary: #0f172a;
    --tv-primary-hover: #1e293b;
    --tv-accent: #009ef7;
    --tv-yesil: #10b981;
    --tv-kirmizi: #ef4444;
    --tv-turuncu: #f97316;
    --tv-bg: #f4f6f9;
    --tv-yuzey: #ffffff;
    --tv-border: #e2e8f0;
    --tv-text-koyu: #0f172a;
    --tv-text-orta: #475569;
    --tv-text-hafif: #64748b;
    --tv-radius-l: 16px;
    --tv-radius-m: 12px;
    --tv-radius-s: 8px;
    --tv-shadow-hafif: 0 1px 3px rgba(15, 23, 42, .06);
    --tv-shadow: 0 1px 3px rgba(15, 23, 42, .06), 0 8px 24px rgba(15, 23, 42, .04);
    --tv-shadow-yuksek: 0 12px 36px rgba(15, 23, 42, .12);
    --tv-font: -apple-system, BlinkMacSystemFont, "SF Pro Text", "Segoe UI", "Inter", system-ui, sans-serif;
}

* { box-sizing: border-box; }

html, body {
    margin: 0;
    padding: 0;
    background: var(--tv-bg);
    color: var(--tv-text-koyu);
    font-family: var(--tv-font);
    font-size: 15px;
    line-height: 1.55;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

a { color: var(--tv-accent); text-decoration: none; }
a:hover { text-decoration: underline; }

/* ---- Header (tenant marka) ---- */
.tv-header {
    background: var(--tv-yuzey);
    border-bottom: 1px solid var(--tv-border);
    box-shadow: var(--tv-shadow-hafif);
    padding: 22px 24px;
}
.tv-header__ic {
    max-width: 1200px;
    margin: 0 auto;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 24px;
    flex-wrap: wrap;
}
.tv-header__marka { display: flex; gap: 16px; align-items: center; min-width: 0; }
.tv-header__logo {
    width: 56px;
    height: 56px;
    object-fit: contain;
    border-radius: 12px;
    background: var(--tv-bg);
    padding: 6px;
    border: 1px solid var(--tv-border);
}
.tv-header__logo--fallback {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    font-size: 26px;
    color: var(--tv-accent);
}
.tv-header__firma {
    margin: 0;
    font-size: 20px;
    font-weight: 700;
    letter-spacing: -.015em;
    color: var(--tv-text-koyu);
}
.tv-header__alt { margin: 4px 0 0; color: var(--tv-text-hafif); font-size: 13px; }
.tv-header__iletisim {
    list-style: none;
    padding: 0;
    margin: 0;
    display: flex;
    gap: 20px;
    flex-wrap: wrap;
    font-size: 13px;
    color: var(--tv-text-orta);
}
.tv-header__iletisim li { display: inline-flex; align-items: center; gap: 6px; }
.tv-header__iletisim i { color: var(--tv-accent); }

/* ---- İçerik ---- */
.tv-icerik {
    max-width: 1080px;
    margin: 32px auto;
    padding: 0 24px 60px;
    display: flex;
    flex-direction: column;
    gap: 20px;
}

/* ---- Form başı ---- */
.tv-form-basi {
    background: linear-gradient(135deg, var(--tv-primary) 0%, #1e3a8a 100%);
    color: #fff;
    padding: 26px 28px;
    border-radius: var(--tv-radius-l);
    box-shadow: var(--tv-shadow);
}
.tv-form-basi h2 {
    margin: 0 0 10px;
    font-size: 22px;
    font-weight: 700;
    letter-spacing: -.015em;
    display: inline-flex;
    align-items: center;
    gap: 10px;
}
.tv-form-basi__meta { margin: 0; display: flex; gap: 20px; flex-wrap: wrap; font-size: 13px; color: rgba(255, 255, 255, .85); }
.tv-form-basi__meta strong { color: #fff; margin-right: 4px; font-weight: 600; }
.tv-davet-not {
    margin-top: 14px;
    padding: 12px 14px;
    background: rgba(255, 255, 255, .12);
    border-radius: var(--tv-radius-m);
    font-size: 13px;
    line-height: 1.6;
}
.tv-davet-not i { margin-right: 6px; opacity: .85; }

/* ---- Genel kart ---- */
.tv-kart {
    background: var(--tv-yuzey);
    border: 1px solid var(--tv-border);
    border-radius: var(--tv-radius-l);
    padding: 22px 24px;
    box-shadow: var(--tv-shadow);
}
.tv-kart h3 {
    margin: 0 0 16px;
    font-size: 15px;
    font-weight: 600;
    color: var(--tv-text-koyu);
    display: inline-flex;
    gap: 8px;
    align-items: center;
    letter-spacing: -.01em;
}
.tv-kart h3 i { color: var(--tv-accent); }

/* ---- Kalem tablosu ---- */
.tv-tablo-kap { overflow-x: auto; margin: 0 -12px; padding: 0 12px; }
.tv-tablo {
    width: 100%;
    border-collapse: separate;
    border-spacing: 0;
    min-width: 780px;
    font-size: 13px;
}
.tv-tablo th {
    text-align: left;
    padding: 10px 12px;
    background: var(--tv-bg);
    color: var(--tv-text-hafif);
    font-weight: 600;
    font-size: 11px;
    text-transform: uppercase;
    letter-spacing: .04em;
    border-bottom: 1px solid var(--tv-border);
    white-space: nowrap;
}
.tv-tablo td {
    padding: 10px 12px;
    border-bottom: 1px solid var(--tv-border);
    vertical-align: top;
}
.tv-tablo tr:last-child td { border-bottom: 0; }
.tv-tablo tfoot td {
    border-top: 2px solid var(--tv-primary);
    padding-top: 14px;
    font-weight: 600;
}
.tv-tablo__foot-label { text-align: right; color: var(--tv-text-orta); }
.tv-arat-hucre strong { color: var(--tv-primary); font-size: 14px; }
.tv-hucre-urun strong { display: block; color: var(--tv-text-koyu); font-size: 13px; }
.tv-alt-metin { font-size: 11px; color: var(--tv-text-hafif); margin-top: 3px; }

/* ---- Form kontrolleri ---- */
.tv-input {
    width: 100%;
    padding: 10px 12px;
    font: inherit;
    font-size: 13px;
    color: var(--tv-text-koyu);
    background: #fff;
    border: 1px solid var(--tv-border);
    border-radius: var(--tv-radius-s);
    outline: none;
    transition: border-color .15s, box-shadow .15s;
}
.tv-input:focus,
.tv-input:focus-visible {
    border-color: var(--tv-accent);
    box-shadow: 0 0 0 3px color-mix(in srgb, var(--tv-accent) 25%, transparent);
}
.tv-input[readonly], .tv-input[disabled] { background: var(--tv-bg); color: var(--tv-text-hafif); }
textarea.tv-input { resize: vertical; min-height: 88px; }
select.tv-input { cursor: pointer; }

.tv-label {
    display: block;
    font-size: 12px;
    color: var(--tv-text-orta);
    font-weight: 600;
    margin-bottom: 6px;
    letter-spacing: .01em;
}
.tv-grid-2 {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 16px;
}
.tv-grid-2 > div:last-child { grid-column: 1 / -1; }
@media (max-width: 640px) {
    .tv-grid-2 { grid-template-columns: 1fr; }
    .tv-grid-2 > div:last-child { grid-column: auto; }
}

/* ---- Dosya seçici ---- */
.tv-dosya-kutu { position: relative; }
.tv-dosya-kutu input[type=file] { position: absolute; inset: 0; opacity: 0; width: 100%; cursor: pointer; }
.tv-dosya-cta {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 6px;
    text-align: center;
    padding: 30px 20px;
    background: var(--tv-bg);
    border: 2px dashed var(--tv-border);
    border-radius: var(--tv-radius-m);
    cursor: pointer;
    color: var(--tv-text-orta);
    transition: border-color .15s, background .15s;
}
.tv-dosya-cta:hover { border-color: var(--tv-accent); background: color-mix(in srgb, var(--tv-accent) 6%, var(--tv-bg)); color: var(--tv-primary); }
.tv-dosya-cta i { font-size: 34px; color: var(--tv-accent); }
.tv-dosya-cta small { font-size: 11px; color: var(--tv-text-hafif); }
.tv-dosya-listesi { list-style: none; padding: 0; margin: 12px 0 0; display: flex; flex-direction: column; gap: 6px; }
.tv-dosya-listesi li {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 8px 12px;
    background: var(--tv-bg);
    border: 1px solid var(--tv-border);
    border-radius: var(--tv-radius-s);
    font-size: 12px;
    color: var(--tv-text-koyu);
}
.tv-dosya-listesi li.tv-dosya-hata { border-color: var(--tv-kirmizi); color: var(--tv-kirmizi); background: color-mix(in srgb, var(--tv-kirmizi) 6%, var(--tv-yuzey)); }
.tv-dosya-listesi small { color: var(--tv-text-hafif); margin-left: auto; }

/* ---- Alt aksiyon ---- */
.tv-alt-aksiyon {
    display: flex;
    justify-content: space-between;
    gap: 20px;
    align-items: center;
    flex-wrap: wrap;
    padding: 20px 22px;
    background: var(--tv-yuzey);
    border: 1px solid var(--tv-border);
    border-radius: var(--tv-radius-l);
    box-shadow: var(--tv-shadow);
    position: sticky;
    bottom: 12px;
}
.tv-alt-aksiyon__bilgi { font-size: 12px; color: var(--tv-text-hafif); display: inline-flex; align-items: center; gap: 6px; }
.tv-alt-aksiyon__bilgi i { color: var(--tv-yesil); }

.tv-btn {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    font: inherit;
    font-size: 14px;
    font-weight: 600;
    padding: 12px 22px;
    border-radius: var(--tv-radius-m);
    border: 1px solid transparent;
    cursor: pointer;
    background: var(--tv-bg);
    color: var(--tv-text-koyu);
    transition: background .15s, transform .1s, box-shadow .15s;
    letter-spacing: -.005em;
}
.tv-btn:focus-visible { outline: 2px solid color-mix(in srgb, var(--tv-accent) 45%, transparent); outline-offset: 2px; }
.tv-btn:active { transform: translateY(1px); }
.tv-btn--birincil {
    background: var(--tv-primary);
    color: #fff;
    border-color: var(--tv-primary);
    min-height: 44px;
}
.tv-btn--birincil:hover { background: var(--tv-primary-hover); box-shadow: var(--tv-shadow-hafif); }
.tv-btn--birincil[disabled] { opacity: .6; cursor: not-allowed; }

/* ---- Hata / başarı kartı ---- */
.tv-hata-kart {
    background: var(--tv-yuzey);
    border: 1px solid var(--tv-border);
    border-radius: var(--tv-radius-l);
    padding: 40px 32px;
    text-align: center;
    box-shadow: var(--tv-shadow);
    max-width: 620px;
    margin: 0 auto;
}
.tv-hata-kart__ikon {
    width: 72px;
    height: 72px;
    margin: 0 auto 16px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    background: color-mix(in srgb, var(--tv-turuncu) 15%, transparent);
    color: var(--tv-turuncu);
    border-radius: 50%;
    font-size: 32px;
}
.tv-hata-kart h2 { margin: 0 0 10px; font-size: 22px; letter-spacing: -.015em; }
.tv-hata-kart p { margin: 0 0 12px; color: var(--tv-text-orta); font-size: 14px; }
.tv-hata-kart__iletisim { padding-top: 14px; border-top: 1px solid var(--tv-border); margin-top: 20px; font-size: 13px; }

.tv-hata-kart--basari .tv-hata-kart__ikon { background: color-mix(in srgb, var(--tv-yesil) 18%, transparent); color: var(--tv-yesil); }
.tv-teklif-ozet {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(140px, 1fr));
    gap: 12px;
    margin: 20px 0;
    text-align: left;
}
.tv-teklif-ozet div {
    background: var(--tv-bg);
    padding: 12px 14px;
    border-radius: var(--tv-radius-m);
    border: 1px solid var(--tv-border);
}
.tv-teklif-ozet span { display: block; font-size: 11px; color: var(--tv-text-hafif); text-transform: uppercase; letter-spacing: .04em; margin-bottom: 4px; }
.tv-teklif-ozet strong { font-size: 14px; color: var(--tv-primary); }
.tv-mevcut-ekler { text-align: left; margin-top: 16px; }
.tv-mevcut-ekler ul { list-style: none; padding: 0; margin: 8px 0 0; }
.tv-mevcut-ekler li { padding: 6px 10px; background: var(--tv-bg); border-radius: var(--tv-radius-s); font-size: 13px; margin-bottom: 4px; display: inline-flex; gap: 6px; align-items: center; }

/* ---- Footer ---- */
.tv-footer {
    text-align: center;
    padding: 20px;
    color: var(--tv-text-hafif);
    font-size: 12px;
    border-top: 1px solid var(--tv-border);
    background: var(--tv-yuzey);
}

/* ---- Responsive tweaks ---- */
@media (max-width: 720px) {
    .tv-header { padding: 16px 18px; }
    .tv-header__ic { flex-direction: column; align-items: flex-start; gap: 16px; }
    .tv-form-basi { padding: 20px; }
    .tv-form-basi h2 { font-size: 18px; }
    .tv-kart { padding: 18px; }
    .tv-alt-aksiyon { flex-direction: column; align-items: stretch; }
    .tv-btn--birincil { justify-content: center; }
}