/* ============================================================
   Düşünür Koleji CRM - Kurumsal arayüz v3
   Palet (kurumsal web sitesiyle uyumlu): gece laciverti zemin,
   marka kırmızısı aksiyon rengi, beyaz kalkan logo.
   Tipografi: Sora (başlık) / Inter (gövde)
   ============================================================ */

:root {
    --lacivert: #0E1E36;
    --lacivert-koyu: #081120;
    --murekkep: #1D2734;
    --gri: #667085;
    --kagit: #F4F6F9;
    --kart: #FFFFFF;
    --cizgi: #E4E8EE;
    --kirmizi: #E2231A;
    --kirmizi-koyu: #BE1A13;
    --mavi: #24488C;
    --radius: 16px;
    --golge: 0 1px 2px rgba(9, 14, 29, 0.04), 0 10px 28px -14px rgba(9, 14, 29, 0.16);
    --font-baslik: 'Sora', 'Segoe UI', sans-serif;
    --font-govde: 'Inter', 'Segoe UI', sans-serif;
}

body.app-body,
body.login-body {
    font-family: var(--font-govde);
    color: var(--murekkep);
    background: var(--kagit);
    font-size: 0.925rem;
}

h1, h2, h3, h4, h5, h6 {
    font-family: var(--font-baslik);
    font-weight: 600;
    color: var(--murekkep);
}

a { color: var(--mavi); }

/* ---- Uygulama yerleşimi: kenar çubuğu + içerik ---- */

.app-yerlesim {
    display: flex;
    min-height: 100vh;
}

.sidebar {
    width: 250px;
    flex-shrink: 0;
    background: linear-gradient(180deg, var(--lacivert) 0%, var(--lacivert-koyu) 100%);
    color: #fff;
    display: flex;
    flex-direction: column;
    border: none;
}

@media (min-width: 992px) {
    .sidebar {
        position: sticky;
        top: 0;
        height: 100vh;
        overflow-y: auto;
    }
}

.sidebar-marka {
    padding: 1.5rem 1.4rem 1.15rem;
    border-bottom: 1px solid rgba(255, 255, 255, 0.08);
}

.marka-logo {
    width: 42px;
    height: 42px;
    background: #fff;
    border-radius: 50%;
    padding: 4px;
    object-fit: contain;
    flex-shrink: 0;
}

.login-logo {
    display: block;
    width: 130px;
    margin-bottom: 1.5rem;
}

.marka-isim {
    font-family: var(--font-baslik);
    font-weight: 700;
    font-size: 1.02rem;
    letter-spacing: 0.04em;
    color: #fff;
}

.marka-isim span { color: var(--kirmizi); }

.marka-alt {
    font-size: 0.66rem;
    letter-spacing: 0.22em;
    text-transform: uppercase;
    color: rgba(255, 255, 255, 0.5);
    margin-top: 3px;
}

.sidebar-nav { padding-bottom: 1rem; }

.nav-grup {
    font-size: 0.66rem;
    font-weight: 600;
    letter-spacing: 0.16em;
    text-transform: uppercase;
    color: rgba(255, 255, 255, 0.38);
    padding: 1.2rem 1.4rem 0.4rem;
}

.nav-oge {
    display: flex;
    align-items: center;
    gap: 0.7rem;
    margin: 2px 0.8rem;
    padding: 0.55rem 0.85rem;
    color: rgba(255, 255, 255, 0.75);
    text-decoration: none;
    font-weight: 500;
    font-size: 0.88rem;
    border-radius: 10px;
    transition: background 0.15s, color 0.15s;
}

.nav-oge i { font-size: 1rem; width: 1.15rem; text-align: center; }

.nav-oge:hover {
    color: #fff;
    background: rgba(255, 255, 255, 0.06);
}

.nav-oge.aktif {
    color: #fff;
    background: rgba(255, 255, 255, 0.10);
}

.nav-oge.aktif i { color: var(--kirmizi); }

.nav-grup { padding-left: 1.65rem; }

.sidebar-alt {
    margin-top: auto;
    padding: 1.1rem 1.4rem 1.3rem;
    border-top: 1px solid rgba(255, 255, 255, 0.08);
}

.kullanici-ad { font-weight: 600; font-size: 0.88rem; color: #fff; }

.kullanici-rol {
    font-size: 0.74rem;
    color: rgba(255, 255, 255, 0.55);
    margin-top: 1px;
}

.alt-link {
    color: rgba(255, 255, 255, 0.65);
    text-decoration: none;
    font-size: 0.8rem;
}

.alt-link:hover { color: #fff; }

/* ---- Üst çubuk ve içerik ---- */

.app-icerik {
    flex: 1;
    min-width: 0;
    display: flex;
    flex-direction: column;
}

.topbar {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    background: rgba(255, 255, 255, 0.85);
    backdrop-filter: blur(8px);
    border-bottom: 1px solid var(--cizgi);
    padding: 0.75rem 1.6rem;
    position: sticky;
    top: 0;
    z-index: 1010;
}

.avatar {
    width: 36px;
    height: 36px;
    border-radius: 50%;
    background: var(--lacivert);
    color: #fff;
    display: grid;
    place-items: center;
    font-weight: 600;
    font-size: 0.78rem;
    text-decoration: none;
    flex-shrink: 0;
}

.avatar:hover { background: var(--kirmizi); color: #fff; }

.topbar-baslik {
    font-family: var(--font-baslik);
    font-weight: 600;
    font-size: 0.98rem;
}

.icerik-alan { padding: 1.6rem; flex: 1; }

@media (max-width: 767px) {
    .icerik-alan { padding: 1rem; }
}

/* ---- Kartlar ---- */

.card {
    border: none;
    border-radius: var(--radius);
    box-shadow: var(--golge);
}

.card-header {
    background: transparent !important;
    border-bottom: 1px solid #EEF1F5;
    font-family: var(--font-baslik);
    font-weight: 600;
    font-size: 0.84rem;
    padding: 0.95rem 1.2rem;
}

/* KPI kartları */

a.kpi-kart, a.kpi-kart:hover, a.kpi-kart * {
    text-decoration: none !important;
    color: inherit;
}

a.kpi-kart { transition: transform 0.15s, box-shadow 0.15s; }

a.kpi-kart:hover {
    transform: translateY(-2px);
    box-shadow: 0 2px 4px rgba(9, 14, 29, 0.05), 0 16px 32px -14px rgba(9, 14, 29, 0.22);
}

.kpi-etiket {
    font-size: 0.68rem;
    font-weight: 600;
    letter-spacing: 0.12em;
    text-transform: uppercase;
    color: var(--gri);
}

.kpi-deger {
    font-family: var(--font-baslik);
    font-weight: 700;
    font-size: 1.9rem;
    line-height: 1.2;
    font-variant-numeric: tabular-nums;
}

.kpi-ikon {
    width: 46px;
    height: 46px;
    border-radius: 14px;
    display: grid;
    place-items: center;
    font-size: 1.25rem;
    flex-shrink: 0;
}

.tint-danger  { background: #FEE4E2; color: #B42318; }
.tint-warning { background: #FDF0D3; color: #93630A; }
.tint-primary { background: #DEE9FB; color: #24488C; }
.tint-success { background: #D6F4E3; color: #12724B; }

/* ---- Tablolar ---- */

.table { color: var(--murekkep); }

.table thead th {
    font-size: 0.68rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.09em;
    color: var(--gri);
    background: transparent !important;
    border-bottom: 1px solid #EEF1F5;
}

.table > :not(caption) > * > * {
    padding: 0.8rem 0.9rem;
    vertical-align: middle;
    border-bottom-color: #F1F3F7;
}

.table tbody tr:last-child > * { border-bottom: 0; }

.table-hover tbody tr:hover { background: #F7F8FB; }

/* ---- Rozetler: yumuşak zemin, koyu metin ---- */

.badge {
    font-weight: 600;
    border-radius: 999px;
    padding: 0.38em 0.85em;
    font-size: 0.72rem;
    letter-spacing: 0.01em;
}

.badge.bg-danger    { background: #FEE4E2 !important; color: #B42318; }
.badge.bg-success   { background: #D6F4E3 !important; color: #12724B; }
.badge.bg-warning   { background: #FDF0D3 !important; color: #93630A; }
.badge.bg-primary   { background: #DEE9FB !important; color: #24488C; }
.badge.bg-info      { background: #D8F1F7 !important; color: #0E6C7E; }
.badge.bg-secondary { background: #EAECF0 !important; color: #475467; }
.badge.bg-dark      { background: #E6E4F2 !important; color: #4A3F86; }
.badge.bg-light     { background: #F5F6F8 !important; color: var(--gri); }

.badge.bg-koyu, .bg-koyu {
    background: var(--lacivert) !important;
    color: #fff;
}

/* ---- Butonlar ve formlar ---- */

.btn { border-radius: 999px; font-weight: 600; }

.btn-primary {
    --bs-btn-bg: var(--kirmizi);
    --bs-btn-border-color: var(--kirmizi);
    --bs-btn-hover-bg: var(--kirmizi-koyu);
    --bs-btn-hover-border-color: var(--kirmizi-koyu);
    --bs-btn-active-bg: var(--kirmizi-koyu);
    --bs-btn-active-border-color: var(--kirmizi-koyu);
}

.btn-outline-primary {
    --bs-btn-color: var(--lacivert);
    --bs-btn-border-color: #C6CFDD;
    --bs-btn-hover-bg: var(--lacivert);
    --bs-btn-hover-border-color: var(--lacivert);
    --bs-btn-active-bg: var(--lacivert);
    --bs-btn-active-border-color: var(--lacivert);
}

.btn-outline-secondary { --bs-btn-border-color: #C6CFDD; }

.form-control, .form-select {
    border-radius: 8px;
    border-color: var(--cizgi);
}

.form-control:focus, .form-select:focus {
    border-color: var(--mavi);
    box-shadow: 0 0 0 0.2rem rgba(36, 72, 140, 0.12);
}

.form-label { font-weight: 500; font-size: 0.85rem; }

/* ---- Yazışma balonları ---- */

.yorum-balon {
    background: var(--kart);
    border: 1px solid var(--cizgi);
    border-radius: var(--radius);
    padding: 0.85rem 1.05rem;
}

.yorum-balon.benim {
    background: #F3F6FC;
    border-color: #D9E1EF;
}

a.satir-link { color: inherit; text-decoration: none; }
a.satir-link:hover { color: var(--kirmizi); }

.progress { background: #EEF1F5; border-radius: 999px; }

.pagination .page-link { color: var(--lacivert); border-radius: 6px; margin-right: 4px; }
.pagination .page-item.active .page-link { background: var(--kirmizi); border-color: var(--kirmizi); }

.alert { border: none; border-radius: var(--radius); }

/* ---- Konu rehberi ve onay akışı ---- */

.rehber-kutu {
    background: #F7F8FB;
    border: 1px solid var(--cizgi);
    border-left: 4px solid var(--kirmizi);
    border-radius: var(--radius);
    padding: 0.9rem 1.1rem;
    font-size: 0.85rem;
    color: #3A4657;
}

.rehber-kutu .rehber-birim {
    font-weight: 700;
    color: var(--kirmizi);
    font-size: 0.72rem;
    text-transform: uppercase;
    letter-spacing: 0.08em;
}

.onay-adim {
    display: flex;
    gap: 0.6rem;
    align-items: flex-start;
    padding: 0.5rem 0;
    border-bottom: 1px dashed var(--cizgi);
}

.onay-adim:last-of-type { border-bottom: 0; }

.onay-adim i { font-size: 1rem; margin-top: 1px; }

/* ---- Giriş ekranı ---- */

.login-yerlesim {
    display: grid;
    grid-template-columns: 1.05fr 1fr;
    min-height: 100vh;
}

.login-panel {
    background: linear-gradient(160deg, var(--lacivert) 0%, var(--lacivert-koyu) 90%);
    color: #fff;
    display: flex;
    flex-direction: column;
    justify-content: space-between;
    padding: 3rem 3.2rem;
}

.login-panel .marka-isim { font-size: 1.25rem; }

.login-slogan {
    font-family: var(--font-baslik);
    font-weight: 700;
    font-size: 1.9rem;
    line-height: 1.3;
    max-width: 22ch;
    color: #fff;
}

.login-slogan em {
    font-style: normal;
    color: var(--kirmizi);
}

.login-ozellik {
    display: flex;
    align-items: baseline;
    gap: 0.7rem;
    color: rgba(255, 255, 255, 0.72);
    font-size: 0.9rem;
    margin-top: 0.65rem;
}

.login-ozellik::before {
    content: "";
    width: 7px;
    height: 7px;
    border-radius: 50%;
    background: var(--kirmizi);
    flex-shrink: 0;
    transform: translateY(-1px);
}

.login-dipnot { color: rgba(255, 255, 255, 0.4); font-size: 0.78rem; }

.login-form-alan {
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--kart);
    padding: 2rem;
}

.login-form-kutu { width: 100%; max-width: 360px; }

@media (max-width: 899px) {
    .login-yerlesim { grid-template-columns: 1fr; }
    .login-panel { display: none; }
    .login-form-alan { background: var(--kagit); }
    .login-form-kutu {
        background: var(--kart);
        border-radius: var(--radius);
        padding: 2rem 1.6rem;
        box-shadow: 0 1px 3px rgba(16, 24, 40, 0.08);
    }
}

/* ---- Erişilebilirlik ---- */

:focus-visible { outline: 2px solid var(--mavi); outline-offset: 2px; }

@media (prefers-reduced-motion: reduce) {
    * { transition: none !important; animation: none !important; }
}