/**
 * Auth Popup - Kullanıcı Giriş / Kayıt (Modern Tasarım)
 */

.auth-popup-overlay {
    display: none;
    position: fixed;
    inset: 0;
    z-index: 2000;
    background: rgba(15, 23, 42, 0.6);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    align-items: center;
    justify-content: center;
    padding: 24px;
    opacity: 0;
    transition: opacity 0.3s ease;
}

.auth-popup-overlay.aktif {
    display: flex;
    opacity: 1;
    animation: authOverlayIn 0.3s ease;
}

@keyframes authOverlayIn {
    from { opacity: 0; }
    to { opacity: 1; }
}

.auth-popup {
    position: relative;
    background: var(--neutral-50);
    border-radius: 20px;
    width: 100%;
    max-width: 440px;
    max-height: calc(100vh - 48px);
    max-height: calc(100dvh - 48px);
    display: flex;
    flex-direction: column;
    box-shadow: 0 25px 50px -12px rgba(0, 0, 0, 0.25), 0 0 0 1px rgba(255, 255, 255, 0.05);
    overflow: hidden;
    transform: scale(0.95) translateY(10px);
    transition: transform 0.35s cubic-bezier(0.34, 1.56, 0.64, 1);
}

.auth-popup-overlay.aktif .auth-popup {
    transform: scale(1) translateY(0);
}

.auth-popup-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 24px 24px 0;
    flex-shrink: 0;
}

.auth-popup-logo {
    width: 48px;
    height: 48px;
}

.auth-popup-logo img {
    width: 100%;
    height: 100%;
    object-fit: contain;
}

.auth-popup-close {
    width: 40px;
    height: 40px;
    border: none;
    background: var(--neutral-100);
    color: var(--neutral-600);
    font-size: 20px;
    cursor: pointer;
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: var(--transition);
}

.auth-popup-close:hover {
    background: var(--neutral-200);
    color: var(--neutral-900);
}

.auth-popup-tabs {
    display: flex;
    gap: 4px;
    margin: 24px 24px 0;
    padding: 4px;
    flex-shrink: 0;
    background: var(--neutral-100);
    border-radius: 14px;
}

.auth-tab {
    flex: 1;
    padding: 12px 16px;
    border: none;
    background: transparent;
    font-family: inherit;
    font-size: 14px;
    font-weight: 600;
    color: var(--neutral-500);
    cursor: pointer;
    transition: var(--transition);
    border-radius: 10px;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
}

.auth-tab i {
    font-size: 16px;
}

.auth-tab:hover {
    color: var(--neutral-700);
}

.auth-tab.active {
    background: var(--neutral-50);
    color: var(--primary-500);
    box-shadow: var(--shadow-sm);
}

.auth-popup-content {
    padding: 28px 24px 32px;
    overflow-y: auto;
    -webkit-overflow-scrolling: touch;
    flex: 1 1 auto;
}

.auth-pane {
    display: none;
    animation: authPaneIn 0.3s ease;
}

.auth-pane.active {
    display: block;
}

@keyframes authPaneIn {
    from {
        opacity: 0;
        transform: translateY(-8px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.auth-form-message {
    padding: 12px 16px;
    border-radius: 12px;
    font-size: 14px;
    margin-bottom: 20px;
    display: none;
}

.auth-form-message.uyari {
    display: block;
    background: var(--surface-yellow);
    color: #92400e;
}

.auth-form-message.hata {
    display: block;
    background: #fef2f2;
    color: #b91c1c;
}

.auth-form-message.basarili {
    display: block;
    background: var(--surface-green);
    color: #166534;
}

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

.auth-form-group {
    margin-bottom: 18px;
}

.auth-form-group label {
    display: block;
    font-size: 13px;
    font-weight: 600;
    color: var(--neutral-700);
    margin-bottom: 8px;
}

.auth-form-group label .optional {
    font-weight: 400;
    color: var(--neutral-500);
}

.auth-form-group input {
    width: 100%;
    padding: 14px 16px;
    border: 1px solid var(--neutral-200);
    border-radius: 12px;
    font-size: 15px;
    font-family: inherit;
    transition: var(--transition);
}

.auth-form-group input::placeholder {
    color: var(--neutral-400, #a3a3a3);
}

.auth-form-group input:hover {
    border-color: var(--neutral-300);
}

.auth-form-group input:focus {
    outline: none;
    border-color: var(--primary-500);
    box-shadow: 0 0 0 3px rgba(243, 18, 61, 0.15);
}

.auth-submit-btn {
    width: 100%;
    padding: 16px;
    background: linear-gradient(135deg, var(--primary-500) 0%, var(--primary-600) 100%);
    color: var(--neutral-50);
    border: none;
    border-radius: 12px;
    font-size: 16px;
    font-weight: 600;
    cursor: pointer;
    transition: var(--transition);
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
    margin-top: 8px;
}

.auth-submit-btn:hover {
    transform: translateY(-1px);
    box-shadow: 0 8px 20px rgba(243, 18, 61, 0.35);
}

.auth-submit-btn:active {
    transform: translateY(0);
}

.auth-submit-btn:disabled {
    opacity: 0.7;
    cursor: not-allowed;
    transform: none;
}

.auth-form-hint {
    margin-top: 20px;
    text-align: center;
    font-size: 14px;
    color: var(--neutral-600);
}

.auth-form-hint a {
    color: var(--primary-500);
    text-decoration: none;
    font-weight: 600;
}

.auth-form-hint a:hover {
    text-decoration: underline;
}

.auth-vet-giris-wrap {
    margin-top: 20px;
    padding-top: 18px;
    border-top: 1px solid var(--neutral-200);
    text-align: center;
}

.auth-vet-giris-ayrac {
    display: block;
    font-size: 11px;
    font-weight: 600;
    color: var(--neutral-500);
    margin-bottom: 12px;
    text-transform: uppercase;
    letter-spacing: 0.08em;
}

.auth-vet-giris-btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    width: 100%;
    padding: 12px 16px;
    border-radius: 12px;
    border: 1px solid var(--neutral-200);
    background: var(--neutral-50);
    color: var(--neutral-800);
    font-size: 14px;
    font-weight: 600;
    text-decoration: none;
    transition: var(--transition);
    box-sizing: border-box;
}

.auth-vet-giris-btn i {
    font-size: 16px;
    color: var(--primary-500);
}

.auth-vet-giris-btn:hover {
    border-color: var(--primary-500);
    color: var(--primary-500);
    background: #fff;
}

/* Sözleşme / izin onay kutuları */
.auth-form-check {
    display: flex;
    align-items: flex-start;
    gap: 10px;
    margin-bottom: 16px;
    font-size: 13px;
    line-height: 1.5;
    color: var(--neutral-600);
    cursor: pointer;
}

.auth-form-check input[type="checkbox"] {
    flex-shrink: 0;
    width: 18px;
    height: 18px;
    margin: 1px 0 0;
    accent-color: var(--primary-500);
    cursor: pointer;
}

.auth-form-check a {
    color: var(--primary-500);
    font-weight: 600;
    text-decoration: none;
}

.auth-form-check a:hover {
    text-decoration: underline;
}

.auth-check-optional {
    color: var(--neutral-500);
    font-weight: 400;
}

@media (max-width: 480px) {
    .auth-form-row {
        grid-template-columns: 1fr;
    }
    .auth-popup-overlay {
        padding: 12px;
    }
    .auth-popup {
        max-height: calc(100vh - 24px);
        max-height: calc(100dvh - 24px);
    }
    .auth-popup-content {
        padding: 22px 20px 24px;
    }
    .auth-popup-tabs {
        margin: 18px 20px 0;
    }
    .auth-popup-header {
        padding: 18px 20px 0;
    }
}

/* Google ile giriş / kayıt */
.auth-google-wrap {
    margin-top: 20px;
    padding-top: 18px;
    border-top: 1px solid var(--neutral-200);
    text-align: center;
}

.auth-google-ayrac {
    display: block;
    font-size: 11px;
    font-weight: 600;
    color: var(--neutral-500);
    margin-bottom: 12px;
    text-transform: uppercase;
    letter-spacing: 0.08em;
}

.auth-google-btn {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
    width: 100%;
    padding: 11px 16px;
    background: #fff;
    border: 1px solid var(--neutral-200);
    border-radius: 10px;
    font-size: 14px;
    font-weight: 600;
    color: var(--neutral-900, #222);
    text-decoration: none;
    transition: all 0.2s ease;
}

.auth-google-btn:hover {
    border-color: #4285F4;
    box-shadow: 0 2px 10px rgba(66, 133, 244, 0.18);
    color: var(--neutral-900, #222);
}

.auth-google-logo {
    width: 18px;
    height: 18px;
    flex-shrink: 0;
}