/* Giriş sayfaları — admin (teal) ve portal (ARDEK lacivert + altın) ortak.
 * Tema: <body class="login-body login-theme-admin|login-theme-portal">
 */
.login-body {
    --bg: #f4f6fb;
    --surface: #ffffff;
    --surface-2: #f8fafc;
    --border: #e6e9f0;
    --border-strong: #d4d9e3;
    --ink: #0f172a;
    --ink-2: #334155;
    --muted: #64748b;
    --muted-2: #94a3b8;
    --danger: #dc2626;
    --danger-50: #fef2f2;
    --warning: #b45309;
    --shadow-lg: 0 24px 60px rgba(15, 23, 42, .16);
    /* admin varsayılanı */
    --accent: #0d9488;
    --accent-600: #0f766e;
    --accent-50: #e6f6f4;
    --accent-100: #c8ece7;
    --accent-rgb: 13, 148, 136;
    --shade-rgb: 6, 18, 34;
    --gold: #e0b322;
    --focus-ring: 0 0 0 4px rgba(var(--accent-rgb), .14);

    margin: 0;
    min-height: 100vh;
    background: #0b1726;
    color: var(--ink);
    font-family: 'Plus Jakarta Sans', system-ui, -apple-system, 'Segoe UI', sans-serif;
    font-size: .95rem;
    line-height: 1.5;
    -webkit-font-smoothing: antialiased;
}
.login-theme-portal {
    --accent: #1c458b;
    --accent-600: #143670;
    --accent-50: #eef3fb;
    --accent-100: #d3e0f4;
    --accent-rgb: 28, 69, 139;
    --shade-rgb: 8, 22, 52;
}
.login-body *, .login-body *::before, .login-body *::after { box-sizing: border-box; }
.login-body a { text-decoration: none; }
.login-body ul { list-style: none; margin: 0; padding: 0; }
.login-body [hidden] { display: none !important; }

/* Sayfa ekrana sabit — sayfa kaydırma çubuğu yok; kısa ekranlarda aşağıdaki
   max-height kuralları içeriği sıkıştırır. Aşırı küçük ekranda yalnızca form
   paneli (çubuğu gizli) kayar. */
.login-body { overflow: hidden; }
.login-shell {
    display: grid;
    grid-template-columns: 1.25fr 1fr;
    height: 100vh;
    height: 100dvh;
    overflow: hidden;
}
.login-visual, .login-panel { min-height: 0; }

/* ——— Sol görsel alan ——— */
.login-visual { position: relative; overflow: hidden; color: #fff; isolation: isolate; }
.login-media {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    object-fit: cover;
    z-index: -2;
    animation: loginZoom 24s ease-in-out infinite alternate;
}
@keyframes loginZoom { from { transform: scale(1); } to { transform: scale(1.12); } }
.login-visual-shade {
    position: absolute;
    top: 0;
    right: 0;
    bottom: 0;
    left: 0;
    z-index: -1;
    background:
        linear-gradient(180deg, rgba(var(--shade-rgb), .55) 0%, rgba(var(--shade-rgb), .25) 30%, rgba(var(--shade-rgb), .8) 70%, rgba(var(--shade-rgb), .94) 100%),
        linear-gradient(135deg, rgba(var(--accent-rgb), .35), transparent 60%);
}
.login-visual-content {
    position: relative;
    height: 100%;
    display: flex;
    flex-direction: column;
    justify-content: space-between;
    gap: 32px;
    padding: 44px 56px;
}
.login-brand { display: flex; align-items: center; gap: 12px; font-weight: 700; font-size: 1.05rem; }
.login-logo { max-height: 56px; max-width: 320px; width: auto; }
.login-visual-text { max-width: 560px; animation: loginUp .9s ease both; }
.login-kicker {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    margin-bottom: 14px;
    padding: 6px 12px;
    border-radius: 99px;
    font-size: .78rem;
    font-weight: 700;
    letter-spacing: .08em;
    text-transform: uppercase;
    color: var(--gold);
    background: rgba(224, 179, 34, .12);
    border: 1px solid rgba(224, 179, 34, .35);
}
.login-visual-text h2 {
    font-size: clamp(2rem, 3.2vw, 3rem);
    font-weight: 800;
    line-height: 1.12;
    letter-spacing: -.02em;
    margin: 0 0 16px;
}
.login-visual-text h2 em { font-style: normal; color: var(--gold); }
.login-visual-text p { font-size: 1.05rem; color: rgba(255, 255, 255, .85); line-height: 1.6; margin: 0 0 26px; }

.login-points { display: flex; flex-direction: column; gap: 10px; }
.login-points li {
    display: inline-flex;
    align-items: center;
    gap: 12px;
    font-size: .95rem;
    font-weight: 500;
    width: -moz-fit-content;
    width: fit-content;
    background: rgba(255, 255, 255, .1);
    border: 1px solid rgba(255, 255, 255, .18);
    -webkit-backdrop-filter: blur(10px);
    backdrop-filter: blur(10px);
    padding: 9px 16px 9px 10px;
    border-radius: 99px;
}
.login-points li i {
    width: 30px;
    height: 30px;
    border-radius: 50%;
    background: rgba(255, 255, 255, .18);
    display: inline-flex;
    align-items: center;
    justify-content: center;
    font-size: .85rem;
}

/* Portal modül kartları */
.login-modules { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 12px; max-width: 580px; }
.login-module {
    display: flex;
    align-items: flex-start;
    gap: 12px;
    padding: 14px 16px;
    border-radius: 16px;
    background: rgba(255, 255, 255, .08);
    border: 1px solid rgba(255, 255, 255, .16);
    -webkit-backdrop-filter: blur(12px);
    backdrop-filter: blur(12px);
    transition: background .2s ease, border-color .2s ease, transform .2s ease;
}
.login-module:hover { background: rgba(255, 255, 255, .13); border-color: rgba(255, 255, 255, .28); transform: translateY(-2px); }
.login-module > i {
    width: 36px;
    height: 36px;
    flex-shrink: 0;
    border-radius: 10px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    font-size: .95rem;
    color: #0b1726;
    background: var(--module-accent, var(--gold));
}
.login-module strong { display: block; font-size: .92rem; font-weight: 700; color: #fff; }
.login-module span { display: block; font-size: .8rem; color: rgba(255, 255, 255, .72); line-height: 1.4; margin-top: 2px; }

/* ——— Sağ form alanı ——— */
.login-panel {
    display: flex;
    flex-direction: column;
    align-items: center;
    padding: 32px 24px 48px;
    position: relative;
    overflow-y: auto;
    scrollbar-width: none;
    -ms-overflow-style: none;
    background: radial-gradient(700px 400px at 100% 0%, rgba(var(--accent-rgb), .08), transparent 60%), var(--bg);
}
.login-panel::-webkit-scrollbar { display: none; }
/* margin:auto → dikeyde ortalar, taşarsa üstü kırpılmaz */
.login-card { width: 100%; max-width: 420px; margin: auto 0; animation: loginUp .7s ease both; }
.login-card-head { margin-bottom: 24px; }
.login-brand-mark {
    width: 46px;
    height: 46px;
    border-radius: 14px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    font-size: 1.15rem;
    background: var(--accent-50);
    border: 1px solid var(--accent-100);
    color: var(--accent-600);
}
.login-card-head h1 { font-size: 1.85rem; font-weight: 800; letter-spacing: -.02em; margin: 18px 0 6px; color: var(--ink); }
.login-card-head p { color: var(--muted); margin: 0; }

/* Personel / dış üye seçici */
.login-mode {
    display: grid;
    grid-auto-flow: column;
    grid-auto-columns: minmax(0, 1fr);
    gap: 4px;
    padding: 4px;
    margin-bottom: 20px;
    background: var(--surface-2);
    border: 1px solid var(--border);
    border-radius: 14px;
}
.login-mode input { position: absolute; opacity: 0; pointer-events: none; }
.login-mode label {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    padding: 10px 8px;
    border-radius: 10px;
    font-size: .86rem;
    font-weight: 700;
    color: var(--muted);
    cursor: pointer;
    transition: background .15s ease, color .15s ease, box-shadow .15s ease;
    text-align: center;
}
.login-mode label:hover { color: var(--ink); }
.login-mode input:checked + label {
    background: var(--surface);
    color: var(--accent-600);
    box-shadow: 0 1px 2px rgba(15, 23, 42, .06), 0 4px 12px rgba(15, 23, 42, .06);
}
.login-mode input:focus-visible + label { box-shadow: var(--focus-ring); }
/* Öğrenci girişi: öğrenim türü (önlisans/lisans – enstitü) */
.login-tur { margin-bottom: 0; }
.login-tur label { font-size: .82rem; }
.is-eksik .login-tur { border-color: #fca5a5; box-shadow: 0 0 0 3px rgba(239, 68, 68, .15); }
.login-mode-hint {
    display: flex;
    gap: 10px;
    align-items: flex-start;
    margin: -8px 0 20px;
    padding: 10px 12px;
    border-radius: 12px;
    background: var(--accent-50);
    border: 1px solid var(--accent-100);
    color: var(--accent-600);
    font-size: .84rem;
    font-weight: 500;
    line-height: 1.5;
}
.login-mode-hint i { margin-top: 3px; }
.login-mode-hint code { font-family: inherit; font-weight: 700; }

/* Uyarı kutuları */
.login-alert {
    display: flex;
    gap: 12px;
    align-items: flex-start;
    background: var(--danger-50);
    color: #b91c1c;
    border: 1px solid #fecaca;
    border-radius: 14px;
    padding: 12px 14px;
    font-size: .9rem;
    font-weight: 600;
    margin-bottom: 18px;
    animation: loginShake .4s ease;
}
.login-alert > i { margin-top: 3px; color: var(--danger); }
.login-alert-body { flex: 1; min-width: 0; }
.login-alert-tips {
    margin: 8px 0 0 !important;
    padding: 8px 0 0 !important;
    border-top: 1px dashed #fecaca;
    font-weight: 500;
    font-size: .82rem;
    color: #7f1d1d;
    display: flex;
    flex-direction: column;
    gap: 4px;
}
.login-alert-tips li { position: relative; padding-left: 14px; }
.login-alert-tips li::before { content: '•'; position: absolute; left: 2px; }
.login-alert-tips a { color: #991b1b; text-decoration: underline; }
.login-alert.is-warning { background: #fffbeb; color: #92400e; border-color: #fde68a; animation: none; }
.login-alert.is-warning > i { color: #d97706; }
.login-alert.is-success { background: #f0fdf4; color: #15803d; border-color: #bbf7d0; animation: none; }
.login-alert.is-success > i { color: #16a34a; }

/* Alanlar */
.login-field { margin-bottom: 18px; }
.login-field label { display: block; font-size: .85rem; font-weight: 700; color: var(--ink-2); margin-bottom: 8px; }
.login-input { position: relative; display: flex; align-items: center; }
.login-input > i {
    position: absolute;
    left: 16px;
    color: var(--muted-2);
    font-size: 1rem;
    pointer-events: none;
    transition: color .2s;
}
.login-input input {
    width: 100%;
    height: 54px;
    border-radius: 14px;
    border: 1.5px solid var(--border-strong);
    background: var(--surface);
    padding: 0 48px 0 46px;
    font-size: 1rem;
    font-family: inherit;
    color: var(--ink);
    transition: border-color .2s, box-shadow .2s;
    outline: none;
}
.login-input input::placeholder { color: var(--muted-2); }
.login-input input:focus { border-color: var(--accent); box-shadow: var(--focus-ring); }
.login-input:focus-within > i { color: var(--accent); }
.login-domain-chip {
    position: absolute;
    right: 10px;
    padding: 4px 9px;
    border-radius: 99px;
    font-size: .7rem;
    font-weight: 700;
    letter-spacing: .02em;
    background: var(--accent-50);
    color: var(--accent-600);
    border: 1px solid var(--accent-100);
    pointer-events: none;
}
.login-eye {
    position: absolute;
    right: 8px;
    width: 38px;
    height: 38px;
    border: 0;
    background: none;
    color: var(--muted);
    border-radius: 10px;
    cursor: pointer;
}
.login-eye:hover { background: var(--surface-2); color: var(--ink); }
.login-caps { margin-top: 8px; font-size: .8rem; color: var(--warning); font-weight: 600; }

.login-row { display: flex; align-items: center; justify-content: space-between; gap: 12px; margin: -4px 0 18px; }
.login-forgot { font-size: .86rem; font-weight: 600; color: var(--accent); text-decoration: none; white-space: nowrap; }
.login-forgot:hover { text-decoration: underline; }
.login-forgot[hidden] { display: none; }
.login-info-list { margin: 0 0 18px; padding: 0; list-style: none; display: flex; flex-direction: column; gap: 6px; font-size: .86rem; color: var(--ink-2); }
.login-info-list li { position: relative; padding-left: 16px; line-height: 1.5; }
.login-info-list li::before { content: '•'; position: absolute; left: 3px; color: var(--accent); }
.login-info-list a { color: var(--accent); }
.login-switch { display: inline-flex; align-items: center; gap: 10px; cursor: pointer; font-size: .88rem; font-weight: 600; color: var(--ink-2); user-select: none; }
.login-switch input { position: absolute; opacity: 0; pointer-events: none; }
.login-switch-track {
    position: relative;
    width: 38px;
    height: 22px;
    border-radius: 99px;
    background: var(--border-strong);
    transition: background .2s ease;
    flex-shrink: 0;
}
.login-switch-track::after {
    content: '';
    position: absolute;
    top: 3px;
    left: 3px;
    width: 16px;
    height: 16px;
    border-radius: 50%;
    background: #fff;
    box-shadow: 0 1px 3px rgba(15, 23, 42, .25);
    transition: transform .2s ease;
}
.login-switch input:checked + .login-switch-track { background: var(--accent); }
.login-switch input:checked + .login-switch-track::after { transform: translateX(16px); }
.login-switch input:focus-visible + .login-switch-track { box-shadow: var(--focus-ring); }

.login-submit {
    width: 100%;
    height: 54px;
    border: 0;
    border-radius: 14px;
    margin-top: 6px;
    color: #fff;
    font-weight: 700;
    font-size: 1rem;
    font-family: inherit;
    cursor: pointer;
    background: linear-gradient(135deg, var(--accent), var(--accent-600));
    box-shadow: 0 12px 28px rgba(var(--accent-rgb), .32);
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
    transition: transform .2s, box-shadow .2s, opacity .2s;
}
.login-submit:hover:not(:disabled) { transform: translateY(-2px); box-shadow: 0 16px 34px rgba(var(--accent-rgb), .4); }
.login-submit i { transition: transform .2s; }
.login-submit:hover:not(:disabled) i { transform: translateX(3px); }
.login-submit:disabled { opacity: .8; cursor: progress; }

.login-divider {
    display: flex;
    align-items: center;
    gap: 12px;
    margin: 22px 0 14px;
    color: var(--muted-2);
    font-size: .8rem;
    font-weight: 600;
}
.login-divider::before, .login-divider::after { content: ''; flex: 1; height: 1px; background: var(--border); }
.login-alt-btn {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
    height: 48px;
    border-radius: 14px;
    border: 1.5px solid var(--border-strong);
    background: var(--surface);
    color: var(--ink-2);
    font-weight: 700;
    font-size: .92rem;
    transition: border-color .15s ease, color .15s ease, background .15s ease;
}
.login-alt-btn:hover { border-color: var(--accent); color: var(--accent-600); background: var(--accent-50); }

.login-links {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    justify-content: center;
    gap: 6px 18px;
    margin-top: 22px;
    font-size: .88rem;
    font-weight: 600;
}
.login-links a { display: inline-flex; align-items: center; gap: 6px; color: var(--muted); }
.login-links a:hover { color: var(--accent-600); }
.login-links a.is-accent { color: var(--accent-600); }
.login-foot { position: absolute; bottom: 18px; margin: 0; color: var(--muted-2); font-size: .8rem; text-align: center; padding: 0 16px; }

/* ——— Kayıt formu (geniş kart, iki sütun) ——— */
.login-card.is-wide { max-width: 540px; }
.login-grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 0 14px; }
.login-grid .login-field.is-full { grid-column: 1 / -1; }
.login-req { color: var(--danger); font-weight: 800; }
.login-field-note {
    display: flex;
    align-items: flex-start;
    gap: 6px;
    margin: 6px 0 0;
    font-size: .78rem;
    color: var(--muted);
    line-height: 1.45;
}
.login-field-note i { margin-top: 2px; }
.login-field-note.is-warn { color: #b45309; }
.login-field-note.is-warn a { color: var(--accent-600); font-weight: 700; text-decoration: underline; }
.login-field-note.is-ok { color: #15803d; }
.login-field-note.is-bad { color: #b91c1c; }
.login-strength { display: flex; gap: 4px; margin-top: 6px; }
.login-strength span { flex: 1; height: 4px; border-radius: 4px; background: var(--border); transition: background .2s ease; }
.login-strength[data-level="1"] span:nth-child(-n+1) { background: #ef4444; }
.login-strength[data-level="2"] span:nth-child(-n+2) { background: #f59e0b; }
.login-strength[data-level="3"] span:nth-child(-n+3) { background: #22c55e; }
.login-strength[data-level="4"] span { background: #16a34a; }
.login-input.no-icon-right input { padding-right: 16px; }
.login-secure {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    margin-top: 12px;
    font-size: .78rem;
    color: var(--muted);
}
.login-secure i { color: var(--accent); }

/* Uyarı/başarı kutusu varken form sıkışık moda geçer (ipuçları kutunun içinde) */
.login-has-alert .login-brand-mark,
.login-has-alert .login-card-head p,
.login-has-alert .login-mode-hint,
.login-has-alert .login-divider { display: none; }
.login-has-alert .login-card-head { margin-bottom: 14px; }
.login-has-alert .login-card-head h1 { font-size: 1.5rem; margin: 0 0 4px; }
.login-has-alert .login-alert { padding: 10px 12px; margin-bottom: 12px; font-size: .85rem; }
.login-has-alert .login-alert-tips { font-size: .78rem; }
.login-has-alert .login-mode { margin-bottom: 12px; }
.login-has-alert .login-mode label { padding: 8px 6px; }
.login-has-alert .login-field { margin-bottom: 12px; }
.login-has-alert .login-field label { margin-bottom: 6px; font-size: .82rem; }
.login-has-alert .login-input input { height: 46px; border-radius: 12px; font-size: .95rem; }
.login-has-alert .login-row { margin: 0 0 12px; }
.login-has-alert .login-submit { height: 48px; border-radius: 12px; margin-top: 0; }
.login-has-alert .login-alt-btn { height: 42px; border-radius: 12px; margin-top: 12px; }
.login-has-alert .login-links { margin-top: 12px; }

@keyframes loginUp { from { opacity: 0; transform: translateY(18px); } to { opacity: 1; transform: none; } }
@keyframes loginShake { 0%, 100% { transform: none; } 25% { transform: translateX(-6px); } 75% { transform: translateX(6px); } }

@media (max-width: 1199px) {
    .login-module span { display: none; }
    .login-module { align-items: center; }
}

/* ——— Kısa ekran / mobil: form sıkışık düzen ——— */
@media (max-height: 860px), (max-width: 991px) {
    .login-brand-mark { display: none; }
    .login-card-head { margin-bottom: 16px; }
    .login-card-head h1 { font-size: 1.5rem; margin: 0 0 4px; }
    .login-card-head p { font-size: .88rem; }
    .login-mode { margin-bottom: 12px; }
    .login-mode label { padding: 8px 6px; }
    .login-mode-hint { margin: -2px 0 14px; padding: 8px 10px; font-size: .8rem; }
    .login-alert { padding: 10px 12px; margin-bottom: 12px; font-size: .85rem; }
    .login-alert-tips { font-size: .78rem; }
    .login-field { margin-bottom: 12px; }
    .login-field label { margin-bottom: 6px; font-size: .82rem; }
    .login-input input { height: 46px; border-radius: 12px; font-size: .95rem; }
    .login-row { margin: 0 0 12px; }
    .login-submit { height: 48px; border-radius: 12px; margin-top: 0; }
    .login-divider { margin: 14px 0 10px; }
    .login-alt-btn { height: 42px; border-radius: 12px; }
    .login-links { margin-top: 14px; }
}
/* Kısa ekran: sol görsel alan */
@media (max-height: 860px) {
    .login-visual-content { padding: 30px 44px; gap: 18px; }
    .login-logo { max-height: 46px; }
    .login-kicker { margin-bottom: 10px; }
    .login-visual-text h2 { font-size: clamp(1.7rem, 4.6vh, 2.6rem); margin-bottom: 10px; }
    .login-visual-text p { font-size: .95rem; margin-bottom: 16px; }
    .login-points { gap: 8px; }
    .login-module { padding: 10px 12px; align-items: center; }
    .login-module span { display: none; }
    .login-foot { display: none; }
}
/* Çok kısa ekran */
@media (max-height: 700px) {
    .login-card-head p, .login-mode-hint, .login-divider, .login-visual-text p, .login-kicker,
    .login-field-note:not(.is-warn):not(.is-bad), .login-secure { display: none; }
    .login-alt-btn { margin-top: 12px; }
    .login-panel { padding-top: 20px; padding-bottom: 20px; }
    .login-has-alert .login-alert-tips { display: none; }
}
@media (max-width: 340px) {
    .login-grid { grid-template-columns: 1fr; }
}
/* Mobil + kısa ekran: kayıt formunda ikincil satırları kısalt */
@media (max-width: 991px) and (max-height: 760px) {
    .login-card-head { margin-bottom: 12px; }
    .login-card-head h1 { font-size: 1.35rem; }
    .login-field { margin-bottom: 10px; }
    .login-field label { margin-bottom: 4px; }
    .login-input input { height: 44px; }
    .login-alt-btn { height: 40px; margin-top: 10px; }
    .login-links { margin-top: 10px; }
    .login-strength { margin-top: 4px; }
    .login-card { padding: 18px 16px; }
    .login-has-alert .login-links { display: none; }
}
@media (max-width: 480px) {
    .login-input > i { left: 14px; }
    .login-input input { padding-left: 40px; padding-right: 42px; }
    .login-input.no-icon-right input { padding-right: 12px; }
    .login-eye { right: 4px; width: 34px; }
}

@media (max-width: 991px) {
    .login-shell { grid-template-columns: 1fr; }
    .login-visual { position: fixed; top: 0; right: 0; bottom: 0; left: 0; }
    .login-visual-content { display: none; }
    .login-panel { background: transparent; padding: 16px 14px; }
    .login-card {
        background: rgba(255, 255, 255, .95);
        -webkit-backdrop-filter: blur(16px);
        backdrop-filter: blur(16px);
        border-radius: 20px;
        padding: 22px 18px;
        box-shadow: var(--shadow-lg);
    }
    .login-foot { display: none; }
}
@media (prefers-reduced-motion: reduce) {
    .login-media, .login-visual-text, .login-card, .login-alert { animation: none; }
}