/* EPORTAL: sinava giris sayfasi (public/exam-portal.php) */
.ep .container { max-width: 1040px; }
.ep-flags { display: flex; flex-wrap: wrap; gap: 18px; justify-content: center; }
.ep-flag { flex: 0 1 190px; display: flex; flex-direction: column; align-items: center; gap: 12px; padding: 22px 14px 18px; border: 1px solid var(--th-line, #e3e8ef); border-radius: 18px; background: #ffffff; color: inherit; text-align: center; text-decoration: none; box-shadow: 0 8px 26px rgba(11, 80, 116, .06); transition: transform .15s, box-shadow .15s, border-color .15s; }
.ep-flag img { width: 132px; max-width: 100%; height: auto; aspect-ratio: 3 / 2; object-fit: cover; border-radius: 10px; box-shadow: 0 2px 10px rgba(0, 0, 0, .15); }
.ep-flag span { font-size: 1.05rem; font-weight: 800; line-height: 1.25; }
.ep-flag:hover, .ep-flag:focus-visible { border-color: var(--th-sky, #1a73e8); box-shadow: 0 12px 30px rgba(11, 80, 116, .14); transform: translateY(-3px); }
@media (hover: none) { .ep-flag:hover { transform: none; } }
.ep-how { display: flex; gap: 10px; align-items: flex-start; justify-content: center; margin: 24px auto 0; max-width: 640px; color: #5f6b7a; font-size: .92rem; text-align: center; }
.ep-pick { display: grid; grid-template-columns: 220px minmax(0, 1fr); gap: 24px; align-items: start; max-width: 860px; margin: 0 auto; }
.ep-pick-flag { display: flex; flex-direction: column; align-items: center; gap: 10px; padding: 22px 16px; border: 1px solid var(--th-line, #e3e8ef); border-radius: 18px; background: #ffffff; text-align: center; }
.ep-pick-flag img { width: 120px; height: auto; border-radius: 8px; box-shadow: 0 2px 10px rgba(0, 0, 0, .15); }
.ep-pick-flag strong { font-size: 1.1rem; }
.ep-back { display: inline-flex; gap: 6px; align-items: center; min-height: 44px; font-size: .9rem; }
.ep-form { display: grid; gap: 18px; padding: 24px; border: 1px solid var(--th-line, #e3e8ef); border-radius: 18px; background: #ffffff; box-shadow: 0 8px 30px rgba(11, 80, 116, .05); }
.ep-cats { display: grid; grid-template-columns: repeat(auto-fill, minmax(min(180px, 100%), 1fr)); gap: 10px; margin: 0; padding: 0; border: 0; }
.ep-cats legend { margin-bottom: 10px; font-weight: 800; }
.ep-cat { position: relative; display: block; cursor: pointer; }
.ep-cat input { position: absolute; opacity: 0; }
.ep-cat span { display: flex; align-items: center; min-height: 52px; padding: 10px 14px; border: 2px solid var(--th-line, #e3e8ef); border-radius: 12px; font-weight: 700; }
.ep-cat input:checked + span { border-color: var(--th-sky, #1a73e8); background: #eef5ff; }
.ep-cat input:focus-visible + span { outline: 3px solid rgba(26, 115, 232, .35); }
.ep-grade { display: grid; gap: 8px; font-weight: 800; }
.ep-grade select { min-height: 48px; padding: 8px 12px; border: 1px solid #cfd8e3; border-radius: 10px; font: inherit; font-weight: 600; }
.ep-go { justify-self: start; }
.ep-form .ep-how { justify-content: flex-start; margin: 0; text-align: start; }
@media (max-width: 640px) {
    .ep-pick { grid-template-columns: 1fr; }
    .ep-flags { gap: 12px; }
    .ep-flag { flex-basis: calc(50% - 6px); }
    .ep-flag img { width: 100%; }
    .ep-go { justify-self: stretch; justify-content: center; }
}
/* Sinav sayfasi (olympiad-exam.php): hangi sinav + ID onay adimi */
.ox-subject { display: inline-flex; flex-wrap: wrap; gap: 8px; align-items: center; margin: 10px 0 0; padding: 8px 14px; border-radius: 999px; background: rgba(255, 255, 255, .16); font-size: 1.02rem; }
.ox-subject strong { font-weight: 800; }
.ox-confirm { display: grid; gap: 16px; justify-items: stretch; padding: 24px; }
.ox-confirm h2 { margin: 0; }
.ox-confirm-list { display: grid; gap: 10px; margin: 0; }
.ox-confirm-list > div { display: grid; grid-template-columns: 170px minmax(0, 1fr); gap: 10px; padding: 12px 14px; border-radius: 12px; background: #f3f7fc; }
.ox-confirm-list dt { color: #5f6b7a; font-weight: 700; }
.ox-confirm-list dd { margin: 0; font-weight: 800; font-size: 1.05rem; }
.ox-confirm-list dd small { font-weight: 600; color: #3c4858; }
.ox-confirm .es-start { justify-self: start; }
.ox-confirm-back { justify-self: start; display: inline-flex; align-items: center; min-height: 44px; }
.ox-alert a { font-weight: 800; text-decoration: underline; }
@media (max-width: 640px) {
    .ox-confirm-list > div { grid-template-columns: 1fr; gap: 2px; }
    .ox-confirm .es-start { justify-self: stretch; justify-content: center; }
}
.ep-none p { display: flex; gap: 10px; align-items: center; margin: 0; font-size: 1.05rem; font-weight: 600; }
/* Ust menu: "Sinava giris" dugmesi (header.php, Basvur'un solunda) */
.main-nav .nav-btn.nav-portal { gap: 6px; background: #6d28d9; color: #fff; }
.main-nav .nav-btn.nav-portal i { color: #e9d5ff; }
@media (hover: hover) { .main-nav .nav-btn.nav-portal:hover { background: #4c1d95; color: #fff; } }
.main-nav li + li > .nav-btn.nav-portal { margin-inline-start: 4px; }
/* Dugme sayisi artti: masaustunde menu yazilari tek satirda kalsin, dar masaustunde aralik/dolgu kuculur */
@media (min-width: 1101px) {
    .main-nav .nav-btn { white-space: nowrap; }
}
@media (min-width: 1101px) and (max-width: 1440px) {
    .main-nav .nav-btn { padding-inline: 12px; }
    .main-nav > ul, .main-nav .nav-menu { gap: 2px; }
    .main-nav .nav-link { padding-inline: 8px; }
}
/* ---- 2026-10-30: ders -> ulke -> kategori kartlari ---- */
.ep-hero { padding: 34px 0 28px; background: radial-gradient(1200px 400px at 85% -60%, rgba(127, 227, 240, .35), transparent 60%), linear-gradient(135deg, #0b2545 0%, #13315c 55%, #4c1d95 130%); color: #fff; }
.ep-hero h1 { display: flex; gap: 12px; align-items: center; margin: 6px 0 6px; color: #fff; font-size: clamp(1.6rem, 3.6vw, 2.3rem); font-weight: 800; letter-spacing: -.02em; }
.ep-hero p { margin: 0; color: rgba(255, 255, 255, .85); font-size: 1.05rem; }
.ep-crumbs { display: flex; flex-wrap: wrap; gap: 8px; align-items: center; color: rgba(255, 255, 255, .7); font-size: .88rem; }
.ep-crumbs a { color: #bfe9f2; text-decoration: none; }
.ep-crumbs a:hover { text-decoration: underline; }
.ep-crumbs i { font-size: .7rem; }
.ep-hero-flag { display: flex; gap: 18px; align-items: center; margin-top: 8px; }
.ep-hero-flag img { width: 84px; height: auto; border-radius: 10px; box-shadow: 0 6px 18px rgba(0, 0, 0, .3); }
.ep-subjects { display: grid; grid-template-columns: repeat(auto-fit, minmax(min(220px, 100%), 1fr)); gap: 14px; }
.ep-subject { display: flex; gap: 14px; align-items: center; padding: 18px 20px; border: 1px solid var(--th-line, #e3e8ef); border-radius: 16px; background: #fff; color: #0b2545; text-decoration: none; transition: border-color .15s, box-shadow .15s; --ep-c: #1d4ed8; --ep-soft: #eef4ff; }
.ep-tone-1 { --ep-c: #6d28d9; --ep-soft: #f4eefe; }
.ep-tone-2 { --ep-c: #0f766e; --ep-soft: #e9f8f6; }
.ep-tone-3 { --ep-c: #b45309; --ep-soft: #fdf4e6; }
.ep-subject-ico { display: grid; flex: none; width: 48px; height: 48px; border-radius: 14px; background: var(--ep-soft); color: var(--ep-c); font-size: 1.3rem; place-items: center; }
.ep-subject-body { display: grid; flex: 1; gap: 4px; min-width: 0; }
.ep-subject strong { font-size: 1.15rem; font-weight: 800; }
.ep-subject small { color: #5f6b7a; font-size: .85rem; }
.ep-subject-arrow { flex: none; color: #94a3b8; transition: color .15s, transform .15s; }
.ep-subject:hover, .ep-subject:focus-visible { border-color: var(--ep-c); box-shadow: 0 8px 22px rgba(11, 37, 69, .08); }
.ep-subject:hover .ep-subject-arrow { color: var(--ep-c); transform: translateX(3px); }
[dir="rtl"] .ep-subject-arrow { transform: scaleX(-1); }
.ep-empty { display: grid; justify-items: center; gap: 10px; padding: 40px 16px; border-radius: 18px; background: #fff; color: #5f6b7a; text-align: center; }
.ep-empty i { font-size: 2rem; color: #94a3b8; }
.ep-back-row { margin: 18px 0 0; text-align: center; }
.ep-cats-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(min(280px, 100%), 1fr)); gap: 18px; }
.ep-catcard { display: flex; flex-direction: column; gap: 12px; padding: 22px; border: 1px solid var(--th-line, #e3e8ef); border-radius: 20px; background: #fff; box-shadow: 0 10px 28px rgba(11, 80, 116, .07); }
.ep-catcard header { display: flex; flex-wrap: wrap; gap: 8px; align-items: center; justify-content: space-between; }
.ep-catcard-name { padding: 6px 12px; border-radius: 999px; background: #0b2545; color: #fff; font-size: .9rem; font-weight: 800; }
.ep-catcard-grades { padding: 6px 12px; border-radius: 999px; background: #eef5ff; color: #1d4ed8; font-size: .9rem; font-weight: 800; }
.ep-catcard h2 { margin: 0; font-size: 1.15rem; line-height: 1.35; }
.ep-catcard dl { display: grid; gap: 6px; margin: 0; }
.ep-catcard dl > div { display: flex; flex-wrap: wrap; gap: 4px 10px; justify-content: space-between; font-size: .9rem; }
.ep-catcard dt { color: #5f6b7a; }
.ep-catcard dt i { width: 16px; color: #94a3b8; }
.ep-catcard dd { margin: 0; font-weight: 700; }
.ep-catcard-state { display: flex; gap: 8px; align-items: center; margin: 0; font-size: .9rem; font-weight: 700; }
.ep-dot { width: 10px; height: 10px; border-radius: 50%; background: #f59e0b; }
.ep-catcard.is-open .ep-dot { background: #16a34a; box-shadow: 0 0 0 4px rgba(22, 163, 74, .18); }
.ep-catcard.is-ended .ep-dot { background: #94a3b8; }
.ep-catcard-go { display: inline-flex; gap: 8px; align-items: center; justify-content: center; min-height: 48px; margin-top: auto; padding: 0 20px; border-radius: 14px; background: linear-gradient(135deg, #6d28d9, #4c1d95); color: #fff; font-weight: 800; text-decoration: none; }
.ep-catcard.is-open .ep-catcard-go { background: linear-gradient(135deg, #16a34a, #15803d); }
.ep-catcard-go:hover { filter: brightness(1.08); color: #fff; }
.ep .ep-how { margin-top: 22px; }
/* Ust menu acilir dugmesi */
.main-nav .nav-link.nav-portal { gap: 6px; padding: 8px 14px; border-radius: 999px; background: #6d28d9; color: #fff; font-weight: 700; }
.main-nav .nav-link.nav-portal i { color: #e9d5ff; }
@media (hover: hover) { .main-nav .nav-portal-dd:hover > .nav-link.nav-portal { background: #4c1d95; } }
.ep-dropdown a { display: flex; gap: 10px; align-items: center; }
.ep-dropdown a i { width: 20px; color: #6d28d9; text-align: center; }
@media (max-width: 1100px) {
    .main-nav .nav-link.nav-portal { border-radius: 12px; }
}
@media (max-width: 640px) {
    .ep-hero { padding: 24px 0 20px; }
    .ep-hero-flag img { width: 64px; }
}
/* Masaustu menu tek satir: yazilar kirilmaz; dar masaustunde bastaki simgeler gizlenir, yazi biraz kuculur */
@media (min-width: 1101px) {
    .main-nav .nav-link, .main-nav .nav-btn { white-space: nowrap; }
}
@media (min-width: 1101px) and (max-width: 1440px) {
    .main-nav .nav-link { font-size: .9rem; }
    .main-nav .nav-btn { font-size: .85rem; }
    .main-nav > ul > li > .nav-link:not(.nav-portal):not(.nav-bell):not(.nav-profile) > i:first-child { display: none; }
}
@media (min-width: 1101px) and (max-width: 1240px) {
    .main-nav .nav-btn > i:first-child, .main-nav .nav-link.nav-portal > i:first-child { display: none; }
}
@media (min-width: 1101px) and (max-width: 1320px) {
    .main-nav > ul > li > .nav-link { padding-left: 9px; padding-right: 9px; }
    .main-nav .nav-btn { padding-left: 12px; padding-right: 12px; }
    .main-nav ul { gap: 2px; }
}
@media (min-width: 1101px) and (max-width: 1200px) {
    .main-nav > ul > li > .nav-link { padding-left: 6px; padding-right: 6px; font-size: .85rem; }
    .main-nav .nav-btn { padding-left: 9px; padding-right: 9px; font-size: .8rem; }
    .main-nav .nav-profile .nav-profile-name, .main-nav .nav-profile > span:not(.nav-avatar) { display: none; }
}
@media (min-width: 641px) and (max-width: 1100px) { .ep-subjects { grid-template-columns: 1fr 1fr; } }
/* Denemesi olmayan bayrak: soluk, yine tiklanir ("su an sinav girisi yok") */
.ep-flag.is-empty { opacity: .62; }
.ep-flag.is-empty img { filter: grayscale(.35); }