/* ══════════════════════════════════════════════════════════════
   AUTH PAGES - Premium Split Layout Login / Register
   Corporate Gray Design System v3
   ══════════════════════════════════════════════════════════════ */

*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700;800&display=swap');

:root {
    --birincil: #475569;
    --birincil-koyu: #334155;
    --birincil-vurgu: #6366f1;
    --birincil-vurgu-hover: #4f46e5;
    --basari: #059669;
    --basari-bg: #ecfdf5;
    --tehlike: #dc2626;
    --tehlike-bg: #fef2f2;
    --uyari: #d97706;
    --zemin: #f0f2f5;
    --zemin-2: #ffffff;
    --zemin-3: #f8f9fb;
    --metin: #1e293b;
    --metin-2: #64748b;
    --metin-3: #94a3b8;
    --sinir: #e2e8f0;
    --sinir-2: #cbd5e1;
    --yaricap: 12px;
    --gecis: 0.25s cubic-bezier(0.4, 0, 0.2, 1);
    --golge-kucuk: 0 1px 3px rgba(0,0,0,0.06), 0 1px 2px rgba(0,0,0,0.04);
    --golge-orta: 0 4px 6px -1px rgba(0,0,0,0.07), 0 2px 4px -2px rgba(0,0,0,0.05);
    --golge-buyuk: 0 10px 25px -5px rgba(0,0,0,0.08), 0 8px 10px -6px rgba(0,0,0,0.04);
}

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', system-ui, sans-serif;
    font-variant-numeric: tabular-nums;
    background: var(--zemin);
    color: var(--metin);
    min-height: 100vh;
    line-height: 1.6;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    font-size: 14px;
    overflow-x: hidden;
}

a { color: var(--birincil-vurgu); text-decoration: none; transition: color var(--gecis); }
a:hover { color: var(--birincil-vurgu-hover); }

/* ══════════════════════════════════════
   SPLIT LAYOUT CONTAINER
   ══════════════════════════════════════ */
.giris-kapsayici {
    min-height: 100vh;
    display: flex;
    flex-direction: column;
}

.giris-govde {
    flex: 1;
    display: flex;
    min-height: 100vh;
}

/* ── LEFT PANEL (Dark Branding) ── */
.giris-sol {
    width: 42%;
    min-width: 380px;
    background: linear-gradient(165deg, #0f172a 0%, #1e293b 40%, #334155 100%);
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    padding: 2rem 2.5rem;
    position: relative;
    overflow: hidden;
}

/* Decorative gradient orbs */
.giris-sol::before {
    content: '';
    position: absolute;
    top: -120px;
    right: -80px;
    width: 350px;
    height: 350px;
    background: radial-gradient(circle, rgba(99, 102, 241, 0.12) 0%, transparent 70%);
    border-radius: 50%;
    animation: pulseSlow 8s ease-in-out infinite;
}

.giris-sol::after {
    content: '';
    position: absolute;
    bottom: -80px;
    left: -80px;
    width: 280px;
    height: 280px;
    background: radial-gradient(circle, rgba(99, 102, 241, 0.08) 0%, transparent 70%);
    border-radius: 50%;
    animation: pulseSlow 10s ease-in-out infinite reverse;
}

@keyframes pulseSlow {
    0%, 100% { transform: scale(1); opacity: 1; }
    50% { transform: scale(1.1); opacity: 0.7; }
}

/* Admin panel left panel variant */
.yonetim-sol {
    background: linear-gradient(165deg, #0c0a1a 0%, #1a1640 40%, #2e1065 100%);
}

.yonetim-sol::before {
    background: radial-gradient(circle, rgba(139, 92, 246, 0.15) 0%, transparent 70%);
}

.yonetim-sol::after {
    background: radial-gradient(circle, rgba(139, 92, 246, 0.1) 0%, transparent 70%);
}

/* ── Branding ── */
.giris-marka {
    text-align: center;
    position: relative;
    z-index: 2;
    margin-bottom: 2rem;
}

.giris-logo {
    height: 72px;
    max-width: 180px;
    object-fit: contain;
    margin-bottom: 1.25rem;
    filter: brightness(0) invert(1);
    opacity: 0.9;
    transition: opacity var(--gecis);
}

.giris-logo:hover { opacity: 1; }

.giris-marka-baslik {
    font-size: 1.25rem;
    font-weight: 300;
    color: rgba(255,255,255,0.5);
    letter-spacing: 0.2em;
    text-transform: uppercase;
}

/* ── Feature List ── */
.ozellik-listesi {
    list-style: none;
    padding: 0;
    display: flex;
    flex-direction: column;
    gap: 0.625rem;
    position: relative;
    z-index: 2;
    width: 100%;
    max-width: 300px;
}

.ozellik-oge {
    display: flex;
    align-items: center;
    gap: 0.875rem;
    color: rgba(255,255,255,0.65);
    font-size: 0.8125rem;
    font-weight: 400;
    padding: 0.625rem 0.875rem;
    border-radius: 10px;
    transition: all var(--gecis);
    background: rgba(255,255,255,0.03);
    border: 1px solid rgba(255,255,255,0.04);
}

.ozellik-oge:hover {
    background: rgba(255,255,255,0.06);
    color: rgba(255,255,255,0.85);
    transform: translateX(4px);
}

.ozellik-ikon {
    width: 36px;
    height: 36px;
    background: rgba(255,255,255,0.07);
    border-radius: 9px;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
    border: 1px solid rgba(255,255,255,0.06);
}

.ozellik-ikon svg {
    width: 18px;
    height: 18px;
    stroke-width: 1.75;
    color: rgba(255,255,255,0.75);
}

/* ── Panel Switcher ── */
.giris-panel-secici {
    display: flex;
    gap: 0.5rem;
    margin-top: 2.5rem;
    position: relative;
    z-index: 2;
    background: rgba(0,0,0,0.2);
    padding: 4px;
    border-radius: 10px;
    border: 1px solid rgba(255,255,255,0.06);
}

.panel-secici-btn {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.5rem 1rem;
    border-radius: 7px;
    color: rgba(255,255,255,0.5);
    text-decoration: none;
    font-size: 0.75rem;
    font-weight: 500;
    transition: all var(--gecis);
    white-space: nowrap;
}

.panel-secici-btn svg {
    width: 15px;
    height: 15px;
    flex-shrink: 0;
}

.panel-secici-btn:hover {
    color: rgba(255,255,255,0.8);
    background: rgba(255,255,255,0.06);
}

.panel-secici-btn.aktif {
    background: rgba(255,255,255,0.12);
    color: #fff;
    box-shadow: 0 2px 8px rgba(0,0,0,0.15);
}

/* ── Registration Steps ── */
.kayit-adimlar {
    margin-top: 1.25rem;
    position: relative;
    z-index: 2;
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
    width: 100%;
    max-width: 300px;
}

.kayit-adim {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    color: rgba(255,255,255,0.55);
    font-size: 0.8125rem;
}

.adim-numara {
    width: 28px;
    height: 28px;
    border-radius: 50%;
    background: rgba(99, 102, 241, 0.2);
    border: 1px solid rgba(99, 102, 241, 0.3);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 0.75rem;
    font-weight: 600;
    color: rgba(255,255,255,0.8);
    flex-shrink: 0;
}

/* ── Admin Badge ── */
.yonetici-rozet {
    display: inline-flex;
    align-items: center;
    gap: 0.375rem;
    padding: 0.25rem 0.75rem;
    background: linear-gradient(135deg, rgba(99, 102, 241, 0.08), rgba(139, 92, 246, 0.08));
    border: 1px solid rgba(99, 102, 241, 0.15);
    border-radius: 20px;
    font-size: 0.6875rem;
    font-weight: 600;
    color: var(--birincil-vurgu);
    text-transform: uppercase;
    letter-spacing: 0.05em;
    margin-bottom: 0.75rem;
}

.yonetici-rozet svg {
    width: 13px;
    height: 13px;
}

/* ── RIGHT PANEL (Form) ── */
.giris-sag {
    flex: 1;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    padding: 3rem 2.5rem;
    background: var(--zemin-2);
    position: relative;
}

/* Subtle pattern on right panel */
.giris-sag::before {
    content: '';
    position: absolute;
    inset: 0;
    background-image:
        radial-gradient(circle at 25% 25%, rgba(99, 102, 241, 0.02) 0%, transparent 50%),
        radial-gradient(circle at 75% 75%, rgba(99, 102, 241, 0.015) 0%, transparent 50%);
    pointer-events: none;
}

.kayit-sag {
    justify-content: flex-start;
    padding: 1.5rem 2.5rem;
    overflow-y: auto;
}

.giris-form-alani {
    width: 100%;
    max-width: 400px;
    position: relative;
    z-index: 1;
}

.kayit-form-alani {
    max-width: 520px;
}

.kayit-form-alani .giris-baslik {
    margin-bottom: 1rem;
}

.kayit-form-alani .form-grup {
    margin-bottom: 0.5rem;
}

.kayit-form-alani .form-bolum {
    margin-bottom: 0.75rem;
    padding-top: 0.75rem;
}

.kayit-form-alani .bolum-baslik {
    margin-bottom: 0.5rem;
    font-size: 0.8125rem;
}

.kayit-form-alani .bolum-aciklama {
    margin: -0.25rem 0 0.5rem;
}

.kayit-form-alani .onay-kutu {
    margin-bottom: 0.375rem;
}

.kayit-form-alani .giris-guvenlik {
    margin-top: 0.75rem;
    padding-top: 0.75rem;
}

.kayit-form-alani .giris-alt {
    margin-top: 0.75rem;
}

.giris-baslik {
    margin-bottom: 1.5rem;
}

.giris-baslik h1 {
    font-size: 1.5rem;
    font-weight: 700;
    letter-spacing: -0.02em;
    margin-bottom: 0.25rem;
    color: var(--metin);
}

.giris-baslik p {
    color: var(--metin-2);
    font-size: 0.8125rem;
}

/* ══════════════════════════════════════
   FORM STYLES
   ══════════════════════════════════════ */
.form-grup { margin-bottom: 0.875rem; }

.form-grup label {
    display: block;
    font-size: 0.75rem;
    font-weight: 600;
    margin-bottom: 0.3rem;
    color: var(--metin);
    letter-spacing: 0.01em;
}

.form-alan {
    width: 100%;
    padding: 0.5625rem 0.75rem;
    background: var(--zemin-3);
    border: 1.5px solid var(--sinir);
    border-radius: 8px;
    color: var(--metin);
    font-size: 0.8125rem;
    font-family: inherit;
    transition: all var(--gecis);
    outline: none;
}

.form-alan:hover { border-color: var(--sinir-2); background: var(--zemin-2); }

.form-alan:focus {
    border-color: var(--birincil-vurgu);
    background: var(--zemin-2);
    box-shadow: 0 0 0 3px rgba(99, 102, 241, 0.1);
}

.form-alan::placeholder { color: var(--metin-3); font-size: 0.8125rem; }

textarea.form-alan { resize: vertical; min-height: 54px; }

select.form-alan {
    cursor: pointer;
    appearance: none;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 12 12'%3E%3Cpath d='M6 8L1 3h10z' fill='%2394a3b8'/%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right 0.75rem center;
    padding-right: 2rem;
}

/* Password container */
.sifre-kapsayici {
    position: relative;
}

.sifre-kapsayici .form-alan {
    padding-right: 2.5rem;
}

.sifre-goster-btn {
    position: absolute;
    right: 0.5rem;
    top: 50%;
    transform: translateY(-50%);
    background: none;
    border: none;
    cursor: pointer;
    padding: 0.25rem;
    color: var(--metin-3);
    transition: color var(--gecis);
    display: flex;
    align-items: center;
    justify-content: center;
}

.sifre-goster-btn:hover { color: var(--metin-2); }

.sifre-goster-btn svg {
    width: 18px;
    height: 18px;
}

/* Remember me */
.form-ekstra {
    margin-bottom: 1.25rem;
}

.hatirlama-etiket {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-size: 0.8125rem;
    color: var(--metin-2);
    cursor: pointer;
}

.hatirlama-etiket input[type="checkbox"] {
    accent-color: var(--birincil-vurgu);
    cursor: pointer;
}

/* File Upload */
.dosya-yukle-alani {
    position: relative;
    border: 1.5px dashed var(--sinir-2);
    border-radius: 8px;
    padding: 0.75rem;
    text-align: center;
    transition: all var(--gecis);
    cursor: pointer;
    background: var(--zemin-3);
}

.dosya-yukle-alani:hover {
    border-color: var(--birincil-vurgu);
    background: rgba(99, 102, 241, 0.02);
}

.dosya-yukle-alani.dosya-secildi {
    border-color: var(--basari);
    background: var(--basari-bg);
}

.dosya-girdi {
    position: absolute;
    inset: 0;
    opacity: 0;
    cursor: pointer;
    z-index: 2;
    width: 100%;
    height: 100%;
}

.dosya-yukle-icerik {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    pointer-events: none;
}

.dosya-yukle-icerik svg {
    width: 18px;
    height: 18px;
    color: var(--metin-3);
}

.dosya-metin {
    font-size: 0.75rem;
    color: var(--metin-2);
    font-weight: 500;
}

.dosya-secildi .dosya-yukle-icerik svg { color: var(--basari); }
.dosya-secildi .dosya-metin { color: var(--basari); }

/* Form Row */
.form-satir {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 0.75rem;
}

/* Sections */
.form-bolum {
    margin-bottom: 1rem;
    padding-top: 1rem;
    border-top: 1px solid var(--sinir);
}
.form-bolum:first-of-type { border-top: none; padding-top: 0; }

.bolum-baslik {
    font-size: 0.875rem;
    font-weight: 600;
    margin-bottom: 0.875rem;
    color: var(--metin);
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.bolum-baslik svg {
    color: var(--birincil-vurgu);
    flex-shrink: 0;
}

.bolum-aciklama {
    font-size: 0.6875rem;
    color: var(--metin-3);
    margin: -0.5rem 0 0.875rem;
    padding-left: 1.625rem;
}

/* Checkboxes */
.onay-kutu { margin-bottom: 0.5rem; }

.onay-etiket {
    display: flex;
    align-items: flex-start;
    gap: 0.5rem;
    cursor: pointer;
    font-size: 0.75rem;
    line-height: 1.5;
    color: var(--metin-2);
}

.onay-etiket input[type="checkbox"] {
    width: 15px;
    height: 15px;
    margin-top: 2px;
    flex-shrink: 0;
    accent-color: var(--birincil-vurgu);
    cursor: pointer;
}

.onay-etiket a { font-weight: 500; }
.zorunlu { color: var(--tehlike); }
.opsiyonel-etiket { color: var(--metin-3); font-size: 0.6875rem; }

/* ══════════════════════════════════════
   BUTTONS
   ══════════════════════════════════════ */
.buton {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    padding: 0.625rem 1.25rem;
    border: none;
    border-radius: 9px;
    font-size: 0.8125rem;
    font-weight: 600;
    font-family: inherit;
    cursor: pointer;
    transition: all var(--gecis);
    text-decoration: none;
    line-height: 1.5;
    position: relative;
    overflow: hidden;
}

.buton::after {
    content: '';
    position: absolute;
    inset: 0;
    background: linear-gradient(180deg, rgba(255,255,255,0.1) 0%, transparent 50%);
    pointer-events: none;
}

.buton:active { transform: scale(0.97); }

.buton-birincil {
    background: linear-gradient(135deg, #4f46e5, #6366f1);
    color: #fff;
    box-shadow: 0 2px 8px rgba(99, 102, 241, 0.3), 0 1px 2px rgba(0,0,0,0.06);
}

.buton-birincil:hover {
    background: linear-gradient(135deg, #4338ca, #4f46e5);
    color: #fff;
    box-shadow: 0 4px 16px rgba(99, 102, 241, 0.35), 0 2px 4px rgba(0,0,0,0.08);
    transform: translateY(-1px);
}

.buton-birincil:active {
    transform: translateY(0) scale(0.98);
}

.buton-tam { width: 100%; }

/* ══════════════════════════════════════
   ALERTS
   ══════════════════════════════════════ */
.uyari {
    padding: 0.625rem 0.875rem;
    border-radius: 8px;
    font-size: 0.8125rem;
    margin-bottom: 1.25rem;
    border: 1px solid transparent;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.uyari::before {
    flex-shrink: 0;
}

.uyari-tehlike {
    background: var(--tehlike-bg);
    border-color: rgba(220,38,38,0.15);
    color: var(--tehlike);
}

.uyari-tehlike::before {
    content: '⚠';
    font-size: 0.875rem;
}

/* ══════════════════════════════════════
   BOTTOM LINKS & FOOTER
   ══════════════════════════════════════ */
.giris-alt {
    text-align: center;
    margin-top: 1.25rem;
    font-size: 0.8125rem;
    color: var(--metin-2);
}
.giris-alt a { font-weight: 500; }
.alt-link { margin-top: 0.25rem; }

.giris-whatsapp-btn {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    margin-top: 1rem;
    padding: 0.625rem 1rem;
    background: #25D366;
    color: #fff;
    border-radius: 8px;
    font-size: 0.8125rem;
    font-weight: 600;
    text-decoration: none;
    transition: background var(--gecis), transform var(--gecis);
}
.giris-whatsapp-btn:hover {
    background: #1DA851;
    transform: translateY(-1px);
}
.giris-whatsapp-btn svg {
    width: 18px;
    height: 18px;
    flex-shrink: 0;
}

.giris-footer {
    display: flex;
    flex-wrap: wrap;
    gap: 1.25rem;
    justify-content: center;
    padding: 1rem 1.5rem;
    font-size: 0.6875rem;
    border-top: 1px solid var(--sinir);
    background: var(--zemin-2);
}

.giris-footer a {
    color: var(--metin-3);
    transition: color var(--gecis);
}
.giris-footer a:hover { color: var(--birincil-vurgu); }

/* Security Note */
.giris-guvenlik {
    text-align: center;
    margin-top: 1.5rem;
    font-size: 0.6875rem;
    color: var(--metin-3);
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.375rem;
    padding-top: 1rem;
    border-top: 1px solid var(--sinir);
}

.giris-guvenlik svg { width: 13px; height: 13px; opacity: 0.5; }

/* Success Block */
.basari-blogu {
    text-align: center;
    padding: 2rem 0;
}

.basari-ikon {
    color: var(--basari);
    margin-bottom: 1rem;
    display: flex;
    justify-content: center;
}

.basari-ikon svg {
    width: 56px;
    height: 56px;
    animation: successPulse 0.6s ease-out;
}

@keyframes successPulse {
    0% { transform: scale(0.5); opacity: 0; }
    50% { transform: scale(1.1); }
    100% { transform: scale(1); opacity: 1; }
}

.basari-blogu h3 {
    font-size: 1.125rem;
    margin-bottom: 0.5rem;
    color: var(--basari);
    font-weight: 600;
}

.basari-blogu p {
    color: var(--metin-2);
    margin-bottom: 1.5rem;
    font-size: 0.8125rem;
    line-height: 1.6;
}

/* ══════════════════════════════════════
   OLD LAYOUT COMPAT (giris-kutu centered)
   ══════════════════════════════════════ */
.giris-kutu {
    background: var(--zemin-2);
    border: 1px solid var(--sinir);
    border-radius: 14px;
    width: 100%;
    max-width: 440px;
    padding: 2.5rem;
    box-shadow: var(--golge-buyuk);
}

.kayit-kutu {
    max-width: 580px;
    width: 100%;
}

.kayit-kutu .giris-baslik {
    text-align: center;
}

/* ══════════════════════════════════════
   RESPONSIVE
   ══════════════════════════════════════ */
@media (max-width: 900px) {
    .giris-sol { display: none; }
    .giris-sag, .kayit-sag { padding: 2rem 1.5rem; }
    .giris-form-alani { max-width: 100%; }
}

@media (max-width: 640px) {
    .giris-sag, .kayit-sag { padding: 1.5rem 1rem; }
    .giris-form-alani, .kayit-form-alani { max-width: 100%; }
    .form-satir { grid-template-columns: 1fr; gap: 0; }
    .giris-baslik h1 { font-size: 1.25rem; }
    .giris-kutu { padding: 1.5rem; }
}

/* ══════════════════════════════════════
   LOADING ANIMATION ON FORM SUBMIT
   ══════════════════════════════════════ */
.buton-yukleniyor {
    pointer-events: none;
    opacity: 0.8;
}

.buton-yukleniyor::before {
    content: '';
    width: 16px;
    height: 16px;
    border: 2px solid rgba(255,255,255,0.3);
    border-top-color: #fff;
    border-radius: 50%;
    animation: spin 0.6s linear infinite;
    margin-right: 0.5rem;
}

@keyframes spin {
    to { transform: rotate(360deg); }
}

/* ── Focus Visible for Accessibility ── */
:focus-visible {
    outline: 2px solid var(--birincil-vurgu);
    outline-offset: 2px;
}

input:focus-visible, textarea:focus-visible, select:focus-visible, button:focus-visible {
    outline: none;
}

/* ── Smooth entry animation ── */
.giris-form-alani {
    animation: fadeSlideUp 0.5s ease-out;
}

@keyframes fadeSlideUp {
    from {
        opacity: 0;
        transform: translateY(12px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.ozellik-listesi .ozellik-oge {
    animation: fadeSlideRight 0.5s ease-out backwards;
}

.ozellik-listesi .ozellik-oge:nth-child(1) { animation-delay: 0.1s; }
.ozellik-listesi .ozellik-oge:nth-child(2) { animation-delay: 0.2s; }
.ozellik-listesi .ozellik-oge:nth-child(3) { animation-delay: 0.3s; }

@keyframes fadeSlideRight {
    from {
        opacity: 0;
        transform: translateX(-12px);
    }
    to {
        opacity: 1;
        transform: translateX(0);
    }
}