/* ═══════════════════════════════════════════════════════
   MERGEN Ödeme Sistemi — v2.0 Styles
   ═══════════════════════════════════════════════════════ */

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

/* ── Kapsayıcı ── */
.mergen-odeme-wrapper {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    max-width: 520px;
    margin: 0 auto;
    padding: 8px;
    box-sizing: border-box;
    color: #1a1a2e;
}

/* ── Adım Geçişi ── */
.mergen-step {
    animation: mergenFadeIn 0.35s ease;
}

@keyframes mergenFadeIn {
    from {
        opacity: 0;
        transform: translateY(12px);
    }

    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* ══════════════════════════════════════
   ADIM 1: Tutar Giriş Ekranı
══════════════════════════════════════ */

.mergen-step-header {
    text-align: center;
    margin-bottom: 28px;
}

.mergen-step-icon {
    font-size: 48px;
    margin-bottom: 12px;
    display: block;
    filter: drop-shadow(0 4px 8px rgba(99, 102, 241, 0.3));
}

.mergen-step-title {
    font-size: 26px;
    font-weight: 700;
    margin: 0 0 6px;
    background: linear-gradient(135deg, #6366f1, #8b5cf6);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.mergen-step-desc {
    font-size: 14px;
    color: #64748b;
    margin: 0;
}

/* ── Form Kart ── */
.mergen-form {
    background: #ffffff;
    border: 1px solid #e2e8f0;
    border-radius: 20px;
    padding: 32px;
    box-shadow: 0 4px 24px rgba(99, 102, 241, 0.08), 0 1px 4px rgba(0, 0, 0, 0.04);
}

/* ── Alan Grubu ── */
.mergen-field-group {
    margin-bottom: 20px;
}

/* ── İsim / Soyisim yan yana ── */
.mergen-field-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 12px;
}

.mergen-field-row .mergen-field-group {
    margin-bottom: 0;
}

/* ── Ayırıcı ── */
.mergen-divider {
    height: 1px;
    background: linear-gradient(90deg, transparent, #e2e8f0, transparent);
    margin: 8px 0 20px;
}

/* ── Zorunlu / Opsiyonel etiket ── */
.mergen-required {
    color: #ef4444;
    margin-left: 2px;
}

.mergen-optional {
    font-size: 11px;
    font-weight: 400;
    color: #94a3b8;
    text-transform: none;
    letter-spacing: 0;
    margin-left: 4px;
}

.mergen-label {
    display: block;
    font-size: 13px;
    font-weight: 600;
    color: #374151;
    margin-bottom: 8px;
    letter-spacing: 0.02em;
    text-transform: uppercase;
}

/* ── Input ── */
.mergen-input-wrap {
    position: relative;
}

.tutar-wrap .mergen-input-prefix {
    position: absolute;
    left: 16px;
    top: 50%;
    transform: translateY(-50%);
    font-size: 20px;
    font-weight: 700;
    color: #6366f1;
    pointer-events: none;
}

.tutar-wrap .mergen-input {
    padding-left: 40px;
    font-size: 28px;
    font-weight: 700;
    color: #1a1a2e;
    letter-spacing: -0.5px;
}

.mergen-input {
    width: 100%;
    padding: 14px 16px;
    border: 2px solid #e2e8f0;
    border-radius: 12px;
    font-size: 15px;
    font-family: inherit;
    color: #1a1a2e;
    background: #f8fafc;
    transition: border-color 0.2s, box-shadow 0.2s, background 0.2s;
    box-sizing: border-box;
    outline: none;
    -moz-appearance: textfield;
}

.mergen-input::-webkit-outer-spin-button,
.mergen-input::-webkit-inner-spin-button {
    -webkit-appearance: none;
}

.mergen-input:focus {
    border-color: #6366f1;
    background: #ffffff;
    box-shadow: 0 0 0 4px rgba(99, 102, 241, 0.1);
}

.mergen-field-hint {
    display: block;
    font-size: 12px;
    color: #94a3b8;
    margin-top: 6px;
}

/* ── Hızlı Tutar Butonları ── */
.mergen-quick-amounts {
    display: flex;
    align-items: center;
    gap: 8px;
    flex-wrap: wrap;
    margin-bottom: 24px;
}

.mergen-quick-label {
    font-size: 12px;
    color: #94a3b8;
    font-weight: 500;
    white-space: nowrap;
}

.mergen-quick-btn {
    padding: 6px 14px;
    border: 1.5px solid #e2e8f0;
    border-radius: 20px;
    background: #f8fafc;
    color: #475569;
    font-size: 13px;
    font-weight: 600;
    font-family: inherit;
    cursor: pointer;
    transition: all 0.2s;
}

.mergen-quick-btn:hover {
    border-color: #6366f1;
    color: #6366f1;
    background: #eef2ff;
}

.mergen-quick-btn.active {
    border-color: #6366f1;
    background: #6366f1;
    color: #ffffff;
}

/* ── Hata Kutusu ── */
.mergen-error {
    background: #fef2f2;
    border: 1px solid #fecaca;
    border-radius: 10px;
    padding: 12px 16px;
    font-size: 14px;
    color: #dc2626;
    margin-bottom: 16px;
    display: flex;
    align-items: center;
    gap: 8px;
}

.mergen-error::before {
    content: '⚠️';
    flex-shrink: 0;
}

/* ── Ana Buton ── */
.mergen-btn-primary {
    width: 100%;
    padding: 16px 24px;
    background: linear-gradient(135deg, #6366f1 0%, #8b5cf6 100%);
    color: #ffffff;
    border: none;
    border-radius: 14px;
    font-size: 16px;
    font-weight: 700;
    font-family: inherit;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
    transition: all 0.25s;
    box-shadow: 0 4px 16px rgba(99, 102, 241, 0.35);
    letter-spacing: 0.01em;
    margin-bottom: 20px;
}

.mergen-btn-primary:hover:not(:disabled) {
    transform: translateY(-2px);
    box-shadow: 0 8px 24px rgba(99, 102, 241, 0.45);
}

.mergen-btn-primary:active:not(:disabled) {
    transform: translateY(0);
}

.mergen-btn-primary:disabled {
    opacity: 0.7;
    cursor: not-allowed;
    transform: none;
}

.btn-icon {
    font-size: 18px;
    transition: transform 0.2s;
}

.mergen-btn-primary:hover:not(:disabled) .btn-icon {
    transform: translateX(4px);
}

/* Spinner animasyonu */
@keyframes spin {
    to {
        transform: rotate(360deg);
    }
}

.spin {
    animation: spin 0.8s linear infinite;
    vertical-align: middle;
}

/* ── Güvenlik Satırı ── */
.mergen-security-row {
    display: flex;
    justify-content: center;
    gap: 16px;
    font-size: 12px;
    color: #94a3b8;
    flex-wrap: wrap;
}

.mergen-security-row span {
    display: flex;
    align-items: center;
    gap: 4px;
}

/* ══════════════════════════════════════
   ADIM 2: iyzico Ödeme Formu
══════════════════════════════════════ */

.mergen-odeme-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 20px;
    gap: 12px;
}

/* ── Geri Butonu ── */
.mergen-back-btn {
    background: none;
    border: 1.5px solid #e2e8f0;
    border-radius: 10px;
    padding: 8px 16px;
    font-size: 14px;
    font-weight: 600;
    font-family: inherit;
    color: #475569;
    cursor: pointer;
    transition: all 0.2s;
}

.mergen-back-btn:hover {
    border-color: #6366f1;
    color: #6366f1;
    background: #eef2ff;
}

/* ── Tutar Badge ── */
.mergen-tutar-badge {
    display: flex;
    flex-direction: column;
    align-items: flex-end;
    gap: 2px;
}

.badge-aciklama {
    font-size: 12px;
    color: #94a3b8;
    max-width: 200px;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.badge-tutar {
    font-size: 22px;
    font-weight: 800;
    color: #6366f1;
    letter-spacing: -0.5px;
}

/* ── iyzico Container ── */
#mergen-iyzico-container {
    border-radius: 16px;
    overflow: hidden;
    background: #ffffff;
    border: 1px solid #e2e8f0;
    box-shadow: 0 2px 16px rgba(99, 102, 241, 0.06);
    min-height: 100px;
}

/* iyzico'nun kendi iframe'i */
#mergen-iyzico-container iframe {
    width: 100% !important;
    border: none !important;
    display: block;
}

/* iyzico form içindeki öğeleri sıfırla (tema çakışmalarını önler) */
#iyzipay-checkout-form {
    width: 100% !important;
    max-width: 100% !important;
}

/* ══════════════════════════════════════
   Responsive
══════════════════════════════════════ */
@media (max-width: 540px) {
    .mergen-form {
        padding: 20px 16px;
        border-radius: 16px;
    }

    .tutar-wrap .mergen-input {
        font-size: 22px;
    }

    .mergen-step-title {
        font-size: 22px;
    }

    .mergen-quick-amounts {
        gap: 6px;
    }

    .mergen-security-row {
        gap: 10px;
        font-size: 11px;
    }

    .mergen-field-row {
        grid-template-columns: 1fr;
    }
}