/* =========================
   AUTH PAGES (Login & Register)
========================= */

.auth-page {
    display: flex;
    justify-content: center;
    align-items: flex-start;
    padding: 0; 
    position: relative;
    z-index: 1;
}

.auth-card {
    width: 100%;
    max-width: 640px;
    /* Y/X Padding değerleri dinamiğe bağlandı, üstten-alttan ortalama için 40px bırakıldı */
    padding: 40px var(--padding-x-desktop, 32px);
    background: linear-gradient(145deg, var(--color-surface), var(--color-surface-2));
    box-shadow: var(--shadow-soft);
    position: relative;
    overflow: hidden;
    text-align: center;
    margin: 0 auto;
}

.auth-card::before {
    content: '';
    position: absolute;
    top: 0; left: 0; right: 0; height: 100%;
    background: radial-gradient(circle at top, var(--color-primary-soft), transparent 50%);
    pointer-events: none;
    z-index: 0;
}

.auth-card > * {
    position: relative;
    z-index: 1;
}

.auth-header {
    margin-bottom: 32px;
}

.auth-icon {
    width: 64px;
    height: 64px;
    margin: 0 auto 20px;
    display: grid;
    place-items: center;
    font-size: 1.8rem;
    border-radius: 20px;
    background: var(--color-primary-soft);
    color: var(--color-primary);
    box-shadow: inset 0 2px 10px rgba(0, 0, 0, 0.05);
}

.auth-icon.success-icon {
    color: #10b981;
    background: rgba(16, 185, 129, 0.1);
}

.auth-card h1 {
    margin: 0 0 12px;
    /* Akışkan (Fluid) ve Dinamik H1 Büyüklüğü */
    font-size: clamp(1.8rem, 4vw, var(--h1-scale, 2.4rem));
    font-weight: 800;
    letter-spacing: -0.02em;
    color: var(--color-text);
}

.auth-subtitle {
    margin: 0;
    color: var(--color-muted);
    font-size: 1.05rem;
    line-height: 1.6;
}

.auth-form {
    display: grid;
    gap: 20px;
    text-align: left;
}

.auth-row, .form-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 16px;
}

/* =========================
   YENİ EKLENDİ: GENDER SELECTION CARDS
========================= */
.gender-selection-group {
    display: flex;
    gap: 12px;
    width: 100%;
}

.gender-radio-card {
    flex: 1;
    position: relative;
    cursor: pointer;
}

.gender-radio-card input[type="radio"] {
    position: absolute;
    opacity: 0;
    width: 0;
    height: 0;
}

.gender-radio-content {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 8px;
    padding: 16px 8px;
    background: var(--color-surface-2);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-input);
    color: var(--color-muted);
    font-weight: 600;
    font-size: 0.9rem;
    transition: all var(--transition-fast);
}

.gender-radio-content i {
    font-size: 1.4rem;
}

.gender-radio-card:hover .gender-radio-content {
    background: var(--color-surface-hover);
    border-color: var(--border-color-strong);
    color: var(--color-text);
}

.gender-radio-card input[type="radio"]:checked + .gender-radio-content {
    background: color-mix(in srgb, var(--color-primary) 10%, transparent);
    border-color: var(--color-primary);
    color: var(--color-primary);
    box-shadow: inset 0 0 0 1px var(--color-primary);
}

.gender-radio-card input[type="radio"]:focus-visible + .gender-radio-content {
    outline: none;
    box-shadow: var(--shadow-focus);
}

.auth-alt {
    margin: 32px 0 0;
    text-align: center;
    color: var(--color-muted);
    font-size: 1rem;
    padding-top: 24px;
    border-top: 1px solid var(--border-color);
}

.auth-alt a {
    color: var(--color-text);
    font-weight: 700;
    margin-left: 6px;
}

.auth-alt a:hover {
    color: var(--color-primary);
    text-decoration: underline;
}

.auth-actions {
    display: flex;
    gap: 16px;
    justify-content: center;
    flex-wrap: wrap;
    margin-top: 24px;
}

/* Ortak Utility Sınıfları */
.w-100 { width: 100% !important; }
.mt-3 { margin-top: 1rem !important; }
.ms-2 { margin-left: 0.5rem !important; }

/* Alert Animasyonu İçin Utility Sınıf */
.alert.fade-out {
    opacity: 0;
    transition: opacity 0.5s ease-out;
}

[data-theme="light"] .auth-card {
    background: var(--color-surface);
    box-shadow: 0 24px 64px rgba(15, 23, 42, 0.08);
}

@media (max-width: 640px) {
    .auth-page {
        padding: 0;
        align-items: flex-start;
    }
    .auth-card {
        /* Mobilde Dinamik X/Y Boşluğu */
        padding: calc(var(--padding-y-mobile, 16px) * 1.5) var(--padding-x-mobile, 16px);
    }
    .auth-header {
        margin-bottom: 24px;
    }
    .auth-icon {
        width: 56px;
        height: 56px;
        font-size: 1.5rem;
    }
    .auth-row, .form-grid {
        grid-template-columns: 1fr;
    }
    .gender-radio-content {
        padding: 12px 4px;
        font-size: 0.85rem;
    }
}