/* ============================================
   KOD16 - Ana Stil Dosyası
   Türkiye Atletizm Federasyonu - Etkinlik Paneli
   Tasarım Dili: Otoriter, keskin köşeler, navy+slate+anthracite
   ============================================ */

:root {
    --navy:         #0B1E3F;
    --navy-dark:    #061531;
    --slate:        #334155;
    --anthracite:   #1F2937;
    --steel:        #64748B;
    --line:         #E2E8F0;
    --line-strong:  #CBD5E1;
    --bg:           #FFFFFF;
    --bg-alt:       #F8FAFC;
    --text:         #0F172A;
    --text-muted:   #64748B;
    --accent:       #E30613; /* TAF resmi kırmızısı — birincil CTA */
    --accent-dark:  #BD0510;
    --success:      #15803D;
    --warning:      #B45309;
    --danger:       #B91C1C;
    --radius:       3px;
    --space:        1rem;
}

/* Reset ve temel */
*, *::before, *::after { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; scroll-behavior: smooth; }
body {
    margin: 0;
    font-family: 'Inter', 'Helvetica Neue', Arial, sans-serif;
    font-size: 15px;
    line-height: 1.55;
    color: var(--text);
    background: var(--bg);
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

img, picture, video, svg { max-width: 100%; height: auto; display: block; }
a { color: var(--navy); text-decoration: none; transition: color .15s ease; }
a:hover { color: var(--accent); }
button { font-family: inherit; }

/* Tipografi */
h1, h2, h3, h4, h5, h6 {
    font-family: 'Inter', 'Helvetica Neue', sans-serif;
    font-weight: 700;
    line-height: 1.2;
    letter-spacing: 0.02em; /* Premium vurgu */
    color: var(--anthracite);
    margin: 0 0 .6em;
}
h1 { font-size: clamp(1.75rem, 3.2vw, 2.6rem); letter-spacing: 0.03em; }
h2 { font-size: clamp(1.35rem, 2.2vw, 1.8rem); }
h3 { font-size: 1.15rem; }
p  { margin: 0 0 1rem; }

/* Konteyner */
.container {
    width: 100%;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 1.25rem;
}

/* Header / Navigasyon */
.site-header {
    position: sticky; top: 0; z-index: 100;
    background: #FFFFFFEE;
    backdrop-filter: saturate(140%) blur(6px);
    border-bottom: 1px solid var(--line);
}
.nav-wrap {
    display: flex; align-items: center; justify-content: space-between;
    min-height: 68px; gap: 1rem;
}
.nav-brand {
    display: flex; align-items: center; gap: .75rem;
    font-weight: 800; letter-spacing: 0.04em;
    color: var(--navy);
    font-size: 1.05rem;
    text-transform: uppercase;
}
.nav-brand img { height: 40px; width: auto; }
.nav-brand span { display: none; }
@media (min-width: 640px) { .nav-brand span { display: inline; } }

.nav-menu {
    display: flex; align-items: center; gap: 1.5rem;
    list-style: none; margin: 0; padding: 0;
}
.nav-menu a {
    color: var(--slate); font-weight: 500; font-size: .95rem;
    padding: .5rem 0; position: relative;
}
.nav-menu a:hover { color: var(--navy); }
.nav-menu a.active::after {
    content: ''; position: absolute; left: 0; right: 0; bottom: -1px;
    height: 2px; background: var(--accent);
}

/* Hamburger */
.hamburger {
    display: none; background: none; border: 1px solid var(--line);
    width: 44px; height: 44px; cursor: pointer; padding: 0;
    align-items: center; justify-content: center;
    border-radius: var(--radius);
}
.hamburger span {
    display: block; width: 22px; height: 2px; background: var(--anthracite);
    position: relative;
}
.hamburger span::before, .hamburger span::after {
    content: ''; position: absolute; left: 0; width: 22px; height: 2px;
    background: var(--anthracite); transition: transform .2s ease, top .2s ease;
}
.hamburger span::before { top: -7px; }
.hamburger span::after  { top:  7px; }
.hamburger[aria-expanded="true"] span { background: transparent; }
.hamburger[aria-expanded="true"] span::before { top: 0; transform: rotate(45deg); }
.hamburger[aria-expanded="true"] span::after  { top: 0; transform: rotate(-45deg); }

/* Mobil menü */
@media (max-width: 860px) {
    .hamburger { display: inline-flex; }
    .nav-menu {
        position: fixed; inset: 68px 0 0 0;
        flex-direction: column; align-items: stretch; gap: 0;
        background: #FFFFFF;
        padding: 1rem 1.25rem;
        transform: translateX(100%); transition: transform .25s ease;
        border-top: 1px solid var(--line);
        overflow-y: auto;
        z-index: 200;         /* sticky header'ın (100) ve artifact'lerin üstünde */
        visibility: hidden;   /* kapalıyken tıklama alınmasın */
        box-shadow: -4px 0 12px rgba(0,0,0,.08);
    }
    .nav-menu.is-open { transform: translateX(0); visibility: visible; }
    .nav-menu li { border-bottom: 1px solid var(--line); list-style: none; }
    .nav-menu a { display: block; padding: 1rem 0; font-size: 1rem; }

    /* Menü açıkken sayfanın arkasını karartan backdrop */
    .nav-backdrop {
        position: fixed; inset: 68px 0 0 0;
        background: rgba(15, 23, 42, .35);
        opacity: 0; visibility: hidden;
        transition: opacity .2s ease;
        z-index: 150;
    }
    .nav-backdrop.is-open { opacity: 1; visibility: visible; }

    body.nav-open { overflow: hidden; }
}

/* Butonlar - keskin köşe, 1px border */
.btn {
    display: inline-flex; align-items: center; justify-content: center;
    gap: .5rem;
    padding: .7rem 1.3rem;
    border: 1px solid transparent;
    border-radius: var(--radius);
    font-weight: 600;
    font-size: .95rem;
    letter-spacing: .02em;
    cursor: pointer;
    text-decoration: none;
    transition: background .15s ease, color .15s ease, border-color .15s ease;
    min-height: 44px;
    user-select: none;
}
.btn-primary   { background: var(--accent);     color: #fff; border-color: var(--accent); }
.btn-primary:hover   { background: var(--accent-dark); color: #fff; border-color: var(--accent-dark); }
.btn-navy      { background: var(--navy);       color: #fff; border-color: var(--navy); }
.btn-navy:hover      { background: var(--navy-dark); color: #fff; }
.btn-secondary { background: #fff; color: var(--navy); border-color: var(--line-strong); }
.btn-secondary:hover { border-color: var(--navy); color: var(--navy); }
.btn-accent    { background: var(--accent);     color: #fff; border-color: var(--accent); }
.btn-accent:hover    { background: var(--accent-dark); border-color: var(--accent-dark); }
.btn-ghost     { background: transparent; color: var(--slate); border-color: var(--line); }
.btn-ghost:hover { color: var(--navy); border-color: var(--navy); }
.btn-block     { width: 100%; }

/* Formlar */
.form-group { margin-bottom: 1.25rem; }
.form-label {
    display: block;
    font-weight: 600;
    font-size: .88rem;
    letter-spacing: .02em;
    color: var(--anthracite);
    margin-bottom: .4rem;
}
.form-control, select, textarea {
    width: 100%;
    padding: .75rem .9rem;
    border: 1px solid var(--line-strong);
    border-radius: var(--radius);
    font-size: 1rem;
    font-family: inherit;
    color: var(--text);
    background: #fff;
    transition: border-color .15s ease, background .15s ease;
    min-height: 44px;
}
.form-control:focus, select:focus, textarea:focus {
    outline: none;
    border-color: var(--navy);
    background: #fff;
}
textarea.form-control { min-height: 120px; resize: vertical; }
.form-hint { font-size: .82rem; color: var(--text-muted); margin-top: .25rem; }
.form-error { font-size: .82rem; color: var(--danger); margin-top: .25rem; }
.form-row { display: grid; grid-template-columns: 1fr; gap: 1rem; }
@media (min-width: 640px) { .form-row-2 { grid-template-columns: 1fr 1fr; } }

/* Checkbox / Radio */
.check { display: flex; gap: .6rem; align-items: flex-start; font-size: .95rem; color: var(--slate); cursor: pointer; }
.check input { margin-top: .25rem; }

/* Kartlar */
.card {
    background: #fff;
    border: 1px solid var(--line);
    border-radius: var(--radius);
    padding: 1.5rem;
}
.card-title { margin-top: 0; font-size: 1.1rem; letter-spacing: .03em; text-transform: uppercase; }

/* Grid */
.grid { display: grid; grid-template-columns: 1fr; gap: 1.25rem; }
@media (min-width: 640px) { .grid-2 { grid-template-columns: repeat(2, 1fr); } }
@media (min-width: 960px) { .grid-3 { grid-template-columns: repeat(3, 1fr); } .grid-4 { grid-template-columns: repeat(4, 1fr); } }

/* Alert */
.alert {
    padding: 1rem 1.15rem;
    border: 1px solid var(--line);
    border-left-width: 4px;
    border-radius: var(--radius);
    margin-bottom: 1.25rem;
    font-size: .95rem;
}
.alert-success { border-left-color: var(--success); background: #F0FDF4; color: #14532D; }
.alert-error   { border-left-color: var(--danger);  background: #FEF2F2; color: #7F1D1D; }
.alert-warning { border-left-color: var(--warning); background: #FFFBEB; color: #78350F; }
.alert-info    { border-left-color: var(--navy);    background: #EEF4FF; color: var(--navy-dark); }

/* Hero */
.hero {
    padding: clamp(3rem, 6vw, 5rem) 0;
    background: linear-gradient(180deg, #F8FAFC 0%, #FFFFFF 100%);
    border-bottom: 1px solid var(--line);
}
.hero-title { font-size: clamp(2rem, 4vw, 3rem); margin-bottom: 1rem; }
.hero-sub   { color: var(--text-muted); font-size: 1.1rem; max-width: 720px; }
.hero-cta   { margin-top: 2rem; display: flex; gap: .75rem; flex-wrap: wrap; }

/* Tablolar */
.table-wrap { overflow-x: auto; border: 1px solid var(--line); border-radius: var(--radius); }
table.table { width: 100%; border-collapse: collapse; min-width: 720px; }
.table th, .table td {
    text-align: left;
    padding: .9rem 1rem;
    border-bottom: 1px solid var(--line);
    font-size: .92rem;
}
.table th {
    background: var(--bg-alt);
    font-weight: 600;
    letter-spacing: .02em;
    color: var(--anthracite);
    text-transform: uppercase;
    font-size: .78rem;
}
.table tbody tr:hover { background: #FBFDFF; }

/* Rozetler */
.badge {
    display: inline-block; padding: .25rem .55rem;
    border: 1px solid var(--line-strong);
    border-radius: var(--radius);
    font-size: .75rem;
    font-weight: 600;
    letter-spacing: .04em;
    text-transform: uppercase;
    color: var(--slate);
    background: #fff;
}
.badge-talep_alindi { color: var(--slate); }
.badge-hazirlaniyor { color: var(--warning); border-color: #FDE68A; background: #FFFBEB; }
.badge-tamamlandi   { color: var(--success); border-color: #BBF7D0; background: #F0FDF4; }
.badge-iptal        { color: var(--danger); border-color: #FECACA; background: #FEF2F2; }

/* Sihirbaz adım göstergesi */
.wizard {
    display: flex; gap: .5rem;
    margin-bottom: 2rem;
    flex-wrap: wrap;
}
.wizard-step {
    flex: 1 1 160px;
    padding: .9rem 1rem;
    border: 1px solid var(--line);
    border-radius: var(--radius);
    background: #fff;
    font-size: .88rem;
    color: var(--text-muted);
    min-width: 140px;
}
.wizard-step.is-active { border-color: var(--navy); color: var(--navy); background: #F8FAFC; }
.wizard-step.is-done { border-color: var(--success); color: var(--success); }

/* Tema kartları */
.theme-card {
    border: 1px solid var(--line);
    border-radius: var(--radius);
    overflow: hidden;
    background: #fff;
    cursor: pointer;
    transition: border-color .15s ease, background .15s ease;
    display: flex; flex-direction: column;
}
.theme-card:hover { border-color: var(--navy); }
.theme-card input[type="radio"] { position: absolute; opacity: 0; pointer-events: none; }
.theme-card.is-selected { border-color: var(--accent); background: #FFFBFC; }
.theme-card .shot { aspect-ratio: 16/10; background: #F1F5F9; overflow: hidden; }
.theme-card .shot img { width: 100%; height: 100%; object-fit: cover; }
.theme-card .info { padding: 1rem; }
.theme-card .info h3 { margin: 0 0 .4rem; }
.theme-card .info p { color: var(--text-muted); font-size: .9rem; margin: 0 0 .75rem; }
.theme-card .features { list-style: none; padding: 0; margin: 0; display: flex; flex-wrap: wrap; gap: .35rem; }
.theme-card .features li {
    font-size: .72rem; border: 1px solid var(--line-strong);
    padding: .2rem .5rem; border-radius: var(--radius);
    color: var(--slate);
}
.theme-card .demo { margin-top: .6rem; font-size: .85rem; }

/* Footer */
.site-footer {
    margin-top: 4rem;
    padding: 2.5rem 0 2rem;
    background: var(--anthracite);
    color: #CBD5E1;
    font-size: .9rem;
    letter-spacing: .02em;
}
.site-footer a { color: #fff; }
.footer-grid { display: grid; grid-template-columns: 1fr; gap: 1.5rem; }
@media (min-width: 740px) { .footer-grid { grid-template-columns: 2fr 1fr 1fr; } }
.footer-copy {
    border-top: 1px solid #334155;
    margin-top: 2rem;
    padding-top: 1rem;
    color: #94A3B8;
    font-size: .82rem;
    display: flex;
    flex-direction: column;
    gap: 1rem;
    align-items: flex-start;
    justify-content: space-between;
}
@media (min-width: 740px) {
    .footer-copy { flex-direction: row; align-items: center; }
}

/* KOD16 imza */
.kod16-sign {
    display: inline-flex;
    align-items: center;
    gap: .75rem;
    text-decoration: none;
    color: #94A3B8 !important;
    transition: opacity .15s ease;
}
.kod16-sign:hover { opacity: .85; }
.kod16-label {
    font-size: .72rem;
    font-weight: 600;
    letter-spacing: .14em;
    color: #94A3B8;
    text-transform: uppercase;
    white-space: nowrap;
}
.kod16-badge {
    display: inline-flex;
    align-items: center;
    gap: .5rem;
    background: #fff;
    color: #0B1E3F !important;
    padding: .45rem .85rem;
    border-radius: 3px;
    font-weight: 700;
    font-size: .82rem;
    white-space: nowrap;
    line-height: 1.1;
}
.kod16-tag {
    color: var(--accent);
    font-family: 'Courier New', ui-monospace, monospace;
    font-weight: 800;
    letter-spacing: 0;
}
.kod16-name { color: #0B1E3F; }

/* Auth / sihirbaz sayfa yapısı */
.page { padding: 2.5rem 0; }
.page-narrow { max-width: 520px; margin: 0 auto; }
.page-mid    { max-width: 860px; margin: 0 auto; }

/* Admin Sidebar */
.admin-shell { display: grid; grid-template-columns: 1fr; gap: 0; min-height: calc(100vh - 68px); }
@media (min-width: 960px) { .admin-shell { grid-template-columns: 240px 1fr; } }
.admin-sidebar {
    background: var(--navy);
    color: #CBD5E1;
    padding: 1.5rem 0;
}
.admin-sidebar a {
    display: block; padding: .8rem 1.5rem; color: #CBD5E1;
    border-left: 3px solid transparent;
    font-size: .92rem; letter-spacing: .02em;
}
.admin-sidebar a:hover, .admin-sidebar a.active {
    color: #fff; border-left-color: var(--accent); background: var(--navy-dark);
}
.admin-main { padding: 2rem 1.5rem; background: var(--bg-alt); }

/* Dashboard cards */
.stat-card {
    padding: 1.2rem;
    background: #fff;
    border: 1px solid var(--line);
    border-radius: var(--radius);
}
.stat-card .label { font-size: .78rem; text-transform: uppercase; letter-spacing: .05em; color: var(--text-muted); }
.stat-card .value { font-size: 1.8rem; font-weight: 700; color: var(--navy); margin-top: .2rem; }

/* Logo preview (upload) */
.logo-preview {
    width: 160px; height: 160px; border: 1px dashed var(--line-strong);
    background: var(--bg-alt); display: flex; align-items: center; justify-content: center;
    overflow: hidden; margin-bottom: .75rem; border-radius: var(--radius);
}
.logo-preview img { max-width: 100%; max-height: 100%; object-fit: contain; }

/* Yardımcı */
.muted { color: var(--text-muted); }
.text-center { text-align: center; }
.mt-1 { margin-top: .5rem; } .mt-2 { margin-top: 1rem; } .mt-3 { margin-top: 1.5rem; } .mt-4 { margin-top: 2rem; }
.mb-0 { margin-bottom: 0; } .mb-2 { margin-bottom: 1rem; } .mb-3 { margin-bottom: 1.5rem; }
.flex { display: flex; gap: .75rem; flex-wrap: wrap; }
.flex-between { display: flex; justify-content: space-between; align-items: center; gap: .75rem; flex-wrap: wrap; }

/* Erişilebilirlik */
.visually-hidden {
    position: absolute !important; height: 1px; width: 1px;
    overflow: hidden; clip: rect(1px,1px,1px,1px); white-space: nowrap;
}
:focus-visible { outline: 2px solid var(--navy); outline-offset: 2px; }

/* Print */
@media print {
    .site-header, .site-footer, .hamburger, .nav-menu { display: none !important; }
    body { color: #000; background: #fff; }
}

/* Kurulum Sihirbazı adım göstergesi */
.wizard-steps {
    list-style: none;
    padding: 0;
    margin: 0 0 1.5rem;
    display: flex;
    gap: .5rem;
    flex-wrap: wrap;
    counter-reset: wiz;
}
.wizard-steps .step {
    flex: 1 1 auto;
    min-width: 140px;
    display: flex;
    align-items: center;
    gap: .5rem;
    padding: .6rem .75rem;
    background: #F8FAFC;
    border: 1px solid var(--border);
    border-radius: 3px;
    font-size: .9rem;
    color: var(--text-muted);
}
.wizard-steps .step-num {
    width: 1.75rem;
    height: 1.75rem;
    border-radius: 3px;
    background: #fff;
    border: 1px solid var(--border);
    display: inline-flex;
    align-items: center;
    justify-content: center;
    font-weight: 600;
}
.wizard-steps .step.is-done {
    background: #EEF2FF;
    border-color: var(--navy);
    color: var(--navy);
}
.wizard-steps .step.is-done .step-num {
    background: var(--navy);
    color: #fff;
    border-color: var(--navy);
}
.wizard-steps .step.is-current {
    background: #FFFBFC;
    border-color: var(--accent);
    color: var(--anthracite);
    font-weight: 600;
}
.wizard-steps .step.is-current .step-num {
    background: var(--accent);
    color: #fff;
    border-color: var(--accent);
}
@media (max-width: 640px) {
    .wizard-steps .step { min-width: 0; flex: 1 1 45%; }
    .wizard-steps .step-label { font-size: .8rem; }
}

/* Tema kartı placeholder (screenshot yoksa) */
.theme-card .shot-placeholder {
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 3rem;
    font-weight: 700;
    color: var(--navy);
    background: linear-gradient(135deg, #F1F5F9 0%, #E2E8F0 100%);
}

/* Domain adım: radio sırası + input yanında buton */
.radio-row {
    display: flex;
    align-items: flex-start;
    gap: .6rem;
    padding: .6rem .75rem;
    border: 1px solid var(--border);
    border-radius: 3px;
    margin-bottom: .5rem;
    cursor: pointer;
    background: #fff;
}
.radio-row input[type="radio"] { margin-top: .25rem; }
.radio-row:hover { border-color: var(--navy); }

.input-with-button {
    display: flex;
    gap: .5rem;
    align-items: stretch;
}
.input-with-button .form-control { flex: 1 1 auto; }
.input-with-button .btn { flex: 0 0 auto; white-space: nowrap; }

/* Yarış türleri grid */
.race-grid .race-row {
    display: grid;
    grid-template-columns: auto 1fr;
    grid-template-areas:
        "chk name"
        "chk dist";
    align-items: center;
    gap: .25rem .6rem;
    padding: .6rem .75rem;
    border: 1px solid var(--border);
    border-radius: 3px;
    background: #fff;
    cursor: pointer;
}
.race-grid .race-row input[type="checkbox"] { grid-area: chk; }
.race-grid .race-row .race-name { grid-area: name; font-weight: 500; }
.race-grid .race-row .form-control-sm {
    grid-area: dist;
    padding: .35rem .5rem;
    font-size: .85rem;
}
.race-grid .race-row:hover { border-color: var(--navy); }

/* Küçük form inputu */
.form-control-sm {
    width: 100%;
    padding: .35rem .5rem;
    font-size: .85rem;
    border: 1px solid var(--border);
    border-radius: 3px;
}

/* Ayraç */
.divider {
    border: 0;
    border-top: 1px solid var(--border);
    margin: 1rem 0;
}

/* Başarı işareti */
.success-mark {
    width: 64px;
    height: 64px;
    border-radius: 50%;
    background: #DCFCE7;
    color: #166534;
    font-size: 2.25rem;
    font-weight: 700;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 1rem;
    border: 2px solid #86EFAC;
}

/* Durum rozetleri (dashboard + özet) */
.badge-talep_alindi { background: #FEF3C7; color: #92400E; }
.badge-hazirlaniyor { background: #DBEAFE; color: #1E40AF; }
.badge-tamamlandi   { background: #DCFCE7; color: #166534; }
.badge-iptal        { background: #FEE2E2; color: #991B1B; }

/* Ekran-okuyucu-only */
.sr-only {
    position: absolute !important;
    width: 1px; height: 1px;
    padding: 0; margin: -1px;
    overflow: hidden; clip: rect(0,0,0,0);
    white-space: nowrap; border: 0;
}

/* mb-1 eksikse ekle */
.mb-1 { margin-bottom: .5rem; }
.page-narrow { max-width: 560px; margin: 0 auto; }

/* Küçük buton */
.btn-sm {
    padding: .3rem .65rem;
    font-size: .82rem;
}

/* Satır sonu yasak (aksiyon sütunları) */
.nowrap { white-space: nowrap; }

/* Zaman çizelgesi */
.timeline {
    list-style: none;
    padding: 0;
    margin: 0;
}
.timeline li {
    border-left: 3px solid var(--border);
    padding: .5rem 0 .75rem 1rem;
    margin-left: .5rem;
    position: relative;
}
.timeline li::before {
    content: '';
    position: absolute;
    left: -7px;
    top: .85rem;
    width: 11px;
    height: 11px;
    border-radius: 50%;
    background: var(--navy);
}
.timeline li:first-child::before { background: var(--accent); }
.timeline li + li { margin-top: .25rem; }