/* ============================================================
   Burak Özcan Gym Center — Ana Stil
   Renkler: #0D0D0D (arka), #A8C800 (vurgu), #FFFFFF (metin)
   ============================================================ */

:root {
    --siyah:       #0D0D0D;
    --siyah-2:     #141414;
    --siyah-3:     #1A1A1A;
    --siyah-4:     #222222;
    --siyah-5:     #2C2C2C;
    --yesil:       #A8C800;
    --yesil-koyu:  #7A9400;
    --yesil-acik:  #C4E000;
    --beyaz:       #FFFFFF;
    --gri-2:       #CCCCCC;
    --gri-3:       #888888;
    --gri-4:       #555555;
    --hata:        #FF4444;
    --uyari:       #FFB347;
    --bilgi:       #4FC3F7;

    --kenar-genislik: 256px;
    --ust-yukseklik:  64px;
    --cerceve:        12px;
    --cerceve-buyuk:  18px;
    --gecis:          0.2s ease;

    --font-baslik: 'Barlow Condensed', sans-serif;
    --font-metin:  'Barlow', sans-serif;
}

/* ─── Reset ──────────────────────────────────────────────── */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { font-size: 16px; }
body {
    font-family: var(--font-metin);
    background: var(--siyah);
    color: var(--beyaz);
    line-height: 1.6;
    min-height: 100vh;
    -webkit-font-smoothing: antialiased;
}
a { text-decoration: none; color: inherit; }
img { max-width: 100%; display: block; }
svg { fill: none; stroke: currentColor; stroke-width: 2; stroke-linecap: round; stroke-linejoin: round; }
button, input, select, textarea { font-family: var(--font-metin); }

/* ─── Mizanpaj ───────────────────────────────────────────── */
.mizanpaj {
    display: grid;
    grid-template-columns: var(--kenar-genislik) 1fr;
    min-height: 100vh;
}

/* ─── Kenar Çubuğu ───────────────────────────────────────── */
.kenar-cubugu {
    background: var(--siyah-2);
    border-right: 1px solid var(--siyah-5);
    display: flex;
    flex-direction: column;
    position: sticky;
    top: 0;
    height: 100vh;
    overflow-y: auto;
    scrollbar-width: thin;
    scrollbar-color: var(--siyah-5) transparent;
}

.kenar-cubugu__logo {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 22px 18px;
    border-bottom: 1px solid var(--siyah-5);
    flex-shrink: 0;
}

.logo-sekil {
    width: 42px; height: 42px;
    background: var(--yesil);
    color: var(--siyah);
    display: flex; align-items: center; justify-content: center;
    font-family: var(--font-baslik);
    font-weight: 800; font-size: 1.5rem;
    clip-path: polygon(0 0, 80% 0, 100% 20%, 100% 100%, 20% 100%, 0 80%);
    flex-shrink: 0;
}

.logo-yazi { display: flex; flex-direction: column; }
.logo-yazi__isim {
    font-family: var(--font-baslik);
    font-weight: 700; font-size: 0.95rem;
    letter-spacing: 0.05em; line-height: 1.2;
}
.logo-yazi__etiket {
    font-size: 0.62rem; color: var(--gri-3);
    letter-spacing: 0.15em; font-weight: 500;
}

/* Navigasyon */
.kenar-nav { flex: 1; padding: 12px 0; overflow-y: auto; }

.kenar-nav__baslik {
    display: block;
    font-size: 0.62rem; font-weight: 700;
    letter-spacing: 0.15em; color: var(--gri-4);
    padding: 14px 18px 5px;
}

.kenar-nav__link {
    display: flex; align-items: center; gap: 10px;
    padding: 10px 18px;
    color: var(--gri-3);
    font-size: 0.855rem; font-weight: 500;
    transition: all var(--gecis);
    border-left: 3px solid transparent;
    position: relative;
}
.kenar-nav__link svg { width: 17px; height: 17px; flex-shrink: 0; }
.kenar-nav__link:hover { color: var(--beyaz); background: var(--siyah-3); }
.kenar-nav__link.aktif {
    color: var(--yesil);
    background: rgba(168,200,0,0.07);
    border-left-color: var(--yesil);
}

.rozet {
    margin-left: auto;
    background: var(--yesil); color: var(--siyah);
    font-size: 0.68rem; font-weight: 700;
    padding: 1px 7px; border-radius: 10px;
}

/* Alt */
.kenar-cubugu__alt {
    padding: 14px 18px;
    border-top: 1px solid var(--siyah-5);
    display: flex; align-items: center; gap: 10px;
    flex-shrink: 0;
}
.admin-bilgi { display: flex; align-items: center; gap: 10px; flex: 1; min-width: 0; }
.admin-avatar {
    width: 34px; height: 34px;
    background: var(--yesil); color: var(--siyah);
    border-radius: 50%;
    display: flex; align-items: center; justify-content: center;
    font-family: var(--font-baslik); font-weight: 700; font-size: 0.95rem;
    flex-shrink: 0;
}
.admin-metin { min-width: 0; }
.admin-metin__isim { display: block; font-size: 0.8rem; font-weight: 600; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.admin-metin__rol  { display: block; font-size: 0.67rem; color: var(--gri-3); }

.cikis-btn {
    color: var(--gri-3); transition: color var(--gecis);
    padding: 6px; border-radius: 6px;
    background: none; border: none; cursor: pointer;
}
.cikis-btn svg { width: 17px; height: 17px; }
.cikis-btn:hover { color: var(--hata); background: rgba(255,68,68,0.1); }

/* ─── Ana İçerik ─────────────────────────────────────────── */
.ana-icerik { display: flex; flex-direction: column; min-height: 100vh; }

.ust-bar {
    height: var(--ust-yukseklik);
    background: var(--siyah-2);
    border-bottom: 1px solid var(--siyah-5);
    padding: 0 24px;
    display: flex; align-items: center; justify-content: space-between;
    gap: 16px;
    position: sticky; top: 0; z-index: 50;
    flex-shrink: 0;
}
.ust-bar__baslik h1 {
    font-family: var(--font-baslik);
    font-size: 1.4rem; font-weight: 700; letter-spacing: 0.03em;
}
.ekmek-kirintisi {
    display: flex; align-items: center; gap: 6px;
    font-size: 0.76rem; color: var(--gri-3); margin-top: 2px;
}
.ekmek-kirintisi a:hover { color: var(--yesil); }
.ekmek-kirintisi .aktif { color: var(--yesil); }
.ust-bar__eylemler { display: flex; align-items: center; gap: 10px; }
.tarih-saat { font-size: 0.76rem; color: var(--gri-3); white-space: nowrap; }

.icerik-alani { flex: 1; padding: 24px; }

/* ─── Flash Mesajlar ─────────────────────────────────────── */
.flash {
    display: flex; align-items: center; gap: 12px;
    padding: 13px 16px; border-radius: var(--cerceve);
    margin-bottom: 18px; font-size: 0.875rem; font-weight: 500;
    animation: flashGir 0.25s ease;
}
@keyframes flashGir { from { opacity:0; transform:translateY(-6px); } to { opacity:1; transform:none; } }
.flash__ikon {
    width: 22px; height: 22px; border-radius: 50%;
    display: flex; align-items: center; justify-content: center;
    font-size: 0.75rem; font-weight: 700; flex-shrink: 0;
}
.flash--basari { background: rgba(168,200,0,0.1); border: 1px solid rgba(168,200,0,0.25); color: #c4e000; }
.flash--basari .flash__ikon { background: var(--yesil); color: var(--siyah); }
.flash--hata    { background: rgba(255,68,68,0.1);  border: 1px solid rgba(255,68,68,0.25);  color: #ff8080; }
.flash--hata    .flash__ikon { background: var(--hata);  color: var(--beyaz); }
.flash--uyari   { background: rgba(255,179,71,0.1); border: 1px solid rgba(255,179,71,0.25); color: var(--uyari); }
.flash--bilgi   { background: rgba(79,195,247,0.1); border: 1px solid rgba(79,195,247,0.25); color: var(--bilgi); }

/* ─── Kartlar ────────────────────────────────────────────── */
.kart {
    background: var(--siyah-2);
    border: 1px solid var(--siyah-5);
    border-radius: var(--cerceve-buyuk);
    padding: 22px;
}
.kart__baslik {
    font-family: var(--font-baslik); font-size: 1rem; font-weight: 700;
    letter-spacing: 0.05em; margin-bottom: 18px;
    padding-bottom: 12px; border-bottom: 1px solid var(--siyah-5);
    display: flex; align-items: center; gap: 8px;
}
.kart__baslik::before {
    content: ''; width: 4px; height: 18px;
    background: var(--yesil); border-radius: 2px; display: block;
}

/* ─── Form Elemanları ────────────────────────────────────── */
.form-izgara { display: grid; grid-template-columns: repeat(auto-fill, minmax(260px,1fr)); gap: 18px; }
.form-izgara--2 { grid-template-columns: repeat(2,1fr); }
.form-izgara--3 { grid-template-columns: repeat(3,1fr); }
.form-izgara--tam { grid-column: 1/-1; }

.form-grubu { display: flex; flex-direction: column; gap: 5px; }
.form-grubu--tam { grid-column: 1/-1; }

.etiket { font-size: 0.72rem; font-weight: 700; color: var(--gri-2); letter-spacing: 0.08em; text-transform: uppercase; }
.etiket .zorunlu { color: var(--yesil); margin-left: 2px; }

.giris {
    background: var(--siyah-3);
    border: 1.5px solid var(--siyah-5);
    border-radius: 8px;
    color: var(--beyaz);
    padding: 10px 13px;
    font-size: 0.875rem;
    transition: border-color var(--gecis), box-shadow var(--gecis);
    width: 100%;
}
.giris:focus { outline: none; border-color: var(--yesil); box-shadow: 0 0 0 3px rgba(168,200,0,0.1); }
.giris::placeholder { color: var(--gri-4); }
.giris:disabled { opacity: 0.5; cursor: not-allowed; }
.giris--hata { border-color: var(--hata) !important; }

select.giris { cursor: pointer; }
select.giris option { background: var(--siyah-3); }
textarea.giris { resize: vertical; min-height: 80px; }

.giris-ipucu { font-size: 0.71rem; color: var(--gri-3); }
.giris-hata  { font-size: 0.71rem; color: var(--hata); display: none; }
.giris-hata.goster { display: block; }

/* Seçim Kartları (radio/checkbox) */
.secim-grubu { display: flex; gap: 8px; flex-wrap: wrap; }
.secim-karti {
    flex: 1; min-width: 90px;
    background: var(--siyah-3); border: 2px solid var(--siyah-5);
    border-radius: 8px; padding: 9px 12px;
    display: flex; align-items: center; gap: 7px;
    cursor: pointer; transition: all var(--gecis); font-size: 0.855rem;
}
.secim-karti:hover { border-color: var(--gri-4); }
.secim-karti input { accent-color: var(--yesil); width: 15px; height: 15px; cursor: pointer; }
.secim-karti:has(input:checked) { border-color: var(--yesil); background: rgba(168,200,0,0.07); color: var(--yesil); }

/* ─── Butonlar ───────────────────────────────────────────── */
.btn {
    display: inline-flex; align-items: center; gap: 7px;
    padding: 10px 20px; border-radius: 8px;
    font-size: 0.855rem; font-weight: 600;
    cursor: pointer; border: none; transition: all var(--gecis);
    white-space: nowrap;
}
.btn svg { width: 15px; height: 15px; }
.btn--ana     { background: var(--yesil); color: var(--siyah); }
.btn--ana:hover { background: var(--yesil-acik); transform: translateY(-1px); box-shadow: 0 4px 14px rgba(168,200,0,0.2); }
.btn--ikincil { background: var(--siyah-4); color: var(--beyaz); border: 1px solid var(--siyah-5); }
.btn--ikincil:hover { background: var(--siyah-5); }
.btn--tehlike { background: rgba(255,68,68,0.08); color: var(--hata); border: 1px solid rgba(255,68,68,0.2); }
.btn--tehlike:hover { background: var(--hata); color: var(--beyaz); }
.btn--kucuk   { padding: 6px 13px; font-size: 0.78rem; }
.btn--tam     { width: 100%; justify-content: center; }
.btn:disabled { opacity: 0.5; cursor: not-allowed; transform: none !important; }

/* ─── Tablo ──────────────────────────────────────────────── */
.tablo-sarici { overflow-x: auto; }
.tablo { width: 100%; border-collapse: collapse; font-size: 0.855rem; }
.tablo th {
    background: var(--siyah-3); color: var(--gri-2);
    font-size: 0.68rem; font-weight: 700; letter-spacing: 0.1em; text-transform: uppercase;
    padding: 11px 15px; text-align: left; white-space: nowrap;
    border-bottom: 1px solid var(--siyah-5);
}
.tablo td { padding: 13px 15px; border-bottom: 1px solid var(--siyah-4); vertical-align: middle; }
.tablo tr:last-child td { border-bottom: none; }
.tablo tr:hover td { background: rgba(255,255,255,0.018); }
.eylem-grup { display: flex; gap: 5px; }

/* ─── Durum Rozetleri ────────────────────────────────────── */
.durum {
    display: inline-flex; align-items: center; gap: 5px;
    font-size: 0.7rem; font-weight: 600;
    padding: 3px 10px; border-radius: 20px;
}
.durum::before { content:''; width:5px; height:5px; border-radius:50%; background:currentColor; }
.durum--aktif  { background: rgba(168,200,0,0.1);  color: var(--yesil); }
.durum--pasif  { background: rgba(136,136,136,0.1); color: var(--gri-3); }
.durum--askida { background: rgba(255,179,71,0.1);  color: var(--uyari); }
.durum--iptal  { background: rgba(255,68,68,0.1);   color: var(--hata);  }

/* ─── İstatistik Kartları ────────────────────────────────── */
.stat-izgara { display: grid; grid-template-columns: repeat(5, 1fr); gap: 14px; margin-bottom: 24px; }
.stat-karti {
    background: var(--siyah-2); border: 1px solid var(--siyah-5);
    border-radius: var(--cerceve); padding: 18px;
    position: relative; overflow: hidden;
}
.stat-karti::before { content:''; position:absolute; top:0; left:0; right:0; height:3px; background:var(--yesil); }
.stat-karti__etiket { font-size: 0.68rem; font-weight: 700; color: var(--gri-3); letter-spacing: 0.1em; text-transform: uppercase; margin-bottom: 7px; }
.stat-karti__deger  { font-family: var(--font-baslik); font-size: 1.9rem; font-weight: 700; line-height: 1; }
.stat-karti__alt    { font-size: 0.72rem; color: var(--gri-3); margin-top: 5px; }
.stat-karti__ikon   { position:absolute; right:14px; top:50%; transform:translateY(-50%); opacity:0.06; }
.stat-karti__ikon svg { width:52px; height:52px; }

/* ─── Form Bölümleri ─────────────────────────────────────── */
.form-bolum {
    background: var(--siyah-2); border: 1px solid var(--siyah-5);
    border-radius: var(--cerceve-buyuk); padding: 24px; margin-bottom: 18px;
}
.form-bolum__baslik {
    display: flex; align-items: center; gap: 10px;
    font-family: var(--font-baslik); font-size: 0.95rem; font-weight: 700;
    letter-spacing: 0.08em; text-transform: uppercase; color: var(--yesil);
    margin-bottom: 20px; padding-bottom: 12px; border-bottom: 1px solid var(--siyah-5);
}
.bolum-no {
    width: 24px; height: 24px; background: var(--yesil); color: var(--siyah);
    border-radius: 50%; display: flex; align-items: center; justify-content: center;
    font-size: 0.75rem; font-weight: 800; flex-shrink: 0;
}
.form-aksiyonlar {
    display: flex; gap: 10px; justify-content: flex-end;
    padding-top: 18px; border-top: 1px solid var(--siyah-5); margin-top: 18px;
}

/* ─── Arama Çubuğu ───────────────────────────────────────── */
.arama-cubugu {
    display: flex; gap: 10px; align-items: center; flex-wrap: wrap;
    background: var(--siyah-2); border: 1px solid var(--siyah-5);
    border-radius: var(--cerceve); padding: 14px 18px; margin-bottom: 18px;
}
.arama-cubugu .giris { flex: 1; min-width: 180px; }

/* ─── Profil Satırı ──────────────────────────────────────── */
.profil-satir { display: flex; align-items: center; gap: 10px; }
.profil-satir__foto {
    width: 38px; height: 38px; border-radius: 50%;
    background: var(--siyah-4); border: 2px solid var(--siyah-5);
    display: flex; align-items: center; justify-content: center;
    font-family: var(--font-baslik); font-weight: 700; color: var(--gri-3);
    font-size: 0.95rem; flex-shrink: 0; overflow: hidden;
}
.profil-satir__foto img { width: 100%; height: 100%; object-fit: cover; }
.profil-satir__isim    { font-weight: 600; font-size: 0.855rem; }
.profil-satir__telefon { font-size: 0.74rem; color: var(--gri-3); }

/* ─── Sayfalama ──────────────────────────────────────────── */
.sayfalama { display: flex; gap: 5px; justify-content: center; margin-top: 22px; }
.sayfalama__btn {
    width: 34px; height: 34px; border-radius: 7px;
    display: flex; align-items: center; justify-content: center;
    font-size: 0.83rem; font-weight: 600; color: var(--gri-3);
    background: var(--siyah-3); border: 1px solid var(--siyah-5);
    transition: all var(--gecis);
}
.sayfalama__btn:hover { border-color: var(--yesil); color: var(--yesil); }
.sayfalama__btn--aktif { background: var(--yesil); color: var(--siyah); border-color: var(--yesil); }

/* ─── Fotoğraf Yükleme ───────────────────────────────────── */
.foto-yukle {
    border: 2px dashed var(--siyah-5); border-radius: 10px;
    padding: 24px; text-align: center; cursor: pointer;
    transition: all var(--gecis); position: relative;
}
.foto-yukle:hover { border-color: var(--yesil); background: rgba(168,200,0,0.03); }
.foto-yukle input { position: absolute; inset: 0; opacity: 0; cursor: pointer; width: 100%; height: 100%; }
.foto-yukle__ikon { font-size: 2.2rem; margin-bottom: 6px; }
.foto-yukle__metin { font-size: 0.82rem; color: var(--gri-3); }
.foto-yukle__metin strong { color: var(--yesil); }
.foto-onizleme {
    width: 90px; height: 90px; border-radius: 50%;
    object-fit: cover; border: 3px solid var(--yesil);
    margin: 0 auto; display: none;
}

/* ─── BMI Göstergesi ─────────────────────────────────────── */
.bmi-kutu { background: var(--siyah-3); border: 1px solid var(--siyah-5); border-radius: 8px; padding: 14px; margin-top: 8px; display: none; }
.bmi-kutu.goster { display: block; }
.bmi-deger { font-family: var(--font-baslik); font-size: 2rem; font-weight: 700; }
.bmi-etiket { font-size: 0.78rem; font-weight: 600; padding: 2px 10px; border-radius: 20px; display: inline-block; margin-top: 4px; }

/* ─── Giriş Sayfası ──────────────────────────────────────── */
.giris-sayfasi {
    min-height: 100vh; display: flex; align-items: center; justify-content: center;
    background: var(--siyah);
    background-image:
            radial-gradient(ellipse at 15% 50%, rgba(168,200,0,0.07) 0%, transparent 55%),
            radial-gradient(ellipse at 85% 20%, rgba(168,200,0,0.04) 0%, transparent 50%);
}
.giris-kutu {
    background: var(--siyah-2); border: 1px solid var(--siyah-5);
    border-radius: var(--cerceve-buyuk); padding: 44px 36px;
    width: 100%; max-width: 400px;
}
.giris-kutu__logo { text-align: center; margin-bottom: 32px; }
.giris-kutu__logo .logo-sekil { width: 52px; height: 52px; font-size: 1.8rem; margin: 0 auto 12px; }
.giris-kutu__baslik { font-family: var(--font-baslik); font-size: 1.7rem; font-weight: 800; letter-spacing: 0.05em; }
.giris-kutu__alt { font-size: 0.74rem; color: var(--gri-3); margin-top: 3px; letter-spacing: 0.08em; }

/* ─── Boş Durum ──────────────────────────────────────────── */
.bos-durum { text-align: center; padding: 52px 20px; color: var(--gri-3); }
.bos-durum svg { width: 44px; height: 44px; margin: 0 auto 14px; opacity: 0.25; }
.bos-durum h3 { font-size: 1rem; color: var(--gri-2); margin-bottom: 6px; }
.bos-durum p  { font-size: 0.85rem; }

/* ─── Hamburger & Mobil Menü ─────────────────────────────── */
.hamburger {
    display: none;
    flex-direction: column; gap: 5px;
    background: none; border: none; cursor: pointer;
    padding: 6px; border-radius: 6px;
    transition: background var(--gecis);
}
.hamburger:hover { background: var(--siyah-4); }
.hamburger span {
    display: block; width: 22px; height: 2px;
    background: var(--beyaz); border-radius: 2px;
    transition: all var(--gecis);
}
.hamburger.acik span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.hamburger.acik span:nth-child(2) { opacity: 0; }
.hamburger.acik span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

.mobil-overlay {
    display: none;
    position: fixed; inset: 0;
    background: rgba(0,0,0,0.6);
    z-index: 99;
}
.mobil-overlay.acik { display: block; }

@media (max-width: 768px) {
    .hamburger { display: flex; }
    .kenar-cubugu {
        display: flex !important;
        position: fixed; left: -260px; top: 0;
        width: 260px; height: 100vh;
        z-index: 100;
        transition: left var(--gecis);
    }
    .kenar-cubugu.acik { left: 0; }

    /* Panel alt grid mobilede tek sütun */
    [style*="grid-template-columns:1fr 320px"] {
        display: block !important;
    }
    [style*="grid-template-columns:1fr 320px"] > * + * {
        margin-top: 14px;
    }

    /* Stat kartları 2 sütun */
    .stat-izgara { grid-template-columns: repeat(2,1fr) !important; }

    /* Genel taşma engeli */
    .icerik-alani { overflow-x: hidden; }
    .kart { overflow: hidden; }
}

/* ─── Panel Alt Grid ─────────────────────────────────────── */
.panel-alt-grid {
    display: grid;
    grid-template-columns: 1fr 320px;
    gap: 18px;
    align-items: start;
}
@media (max-width: 1100px) {
    .panel-alt-grid {
        grid-template-columns: 1fr !important;
    }
}

/* ─── Scrollbar ──────────────────────────────────────────── */
::-webkit-scrollbar { width: 5px; height: 5px; }
::-webkit-scrollbar-track { background: transparent; }
::-webkit-scrollbar-thumb { background: var(--siyah-5); border-radius: 3px; }
::-webkit-scrollbar-thumb:hover { background: var(--gri-4); }

/* ─── Responsive ─────────────────────────────────────────── */
@media (max-width: 1280px) {
    .stat-izgara { grid-template-columns: repeat(3, 1fr); }
}
@media (max-width: 1024px) {
    :root { --kenar-genislik: 210px; }
    .stat-izgara { grid-template-columns: repeat(3, 1fr); }
    .form-izgara--3 { grid-template-columns: repeat(2,1fr); }
}
@media (max-width: 900px) {
    .stat-izgara { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 768px) {
    .mizanpaj { grid-template-columns: 1fr; }
    .icerik-alani { padding: 14px; overflow-x: hidden; }
    .stat-izgara { grid-template-columns: repeat(2, 1fr) !important; }
    .form-izgara, .form-izgara--2, .form-izgara--3 { grid-template-columns: 1fr; }
    .ust-bar { padding: 0 14px; }
    .ust-bar__baslik h1 { font-size: 1.1rem; }
    .tarih-saat { display: none; }
}
@media (max-width: 480px) {
    .icerik-alani { padding: 10px; }
    .kart { padding: 14px; overflow: hidden; }
}