/* 
* Ödeme Alma Yazılımı v4.1
* Yapımcı: x6.com.tr 
* Yazar: x6.com.tr
*/
        :root {
            --primary: #2563eb;
            --primary-dark: #1d4ed8;
            --primary-light: #eff6ff;
            --border: #e2e8f0;
            --text: #0f172a;
            --text-muted: #64748b;
            --text-light: #94a3b8;
            --error: #ef4444;
            --success: #10b981;
            --white: #ffffff;
            --radius: 14px;
            --shadow: 0 4px 24px -6px rgba(15, 23, 42, 0.06);
            --transition: all 0.2s ease;
        }

        * {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
            font-family: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
            -webkit-tap-highlight-color: transparent;
        }

        body {
            background: #f5f7fa;
            min-height: 100vh;
            line-height: 1.5;
            -webkit-font-smoothing: antialiased;
        }

        .header {
            background: var(--white);
            padding: 16px 20px;
            box-shadow: 0 1px 3px rgba(15, 23, 42, 0.08);
            position: relative;
            z-index: 2;
        }

        .logo-area img {
            height: 34px;
            width: auto;
        }

        .main-container {
            max-width: 480px;
            margin: 24px auto;
            padding: 0 16px;
        }

        .payment-steps {
            display: flex;
            justify-content: space-between;
            align-items: center;
            position: relative;
            margin: 0 auto 32px;
            padding: 20px;
            max-width: 440px;
        }

        .payment-steps::before {
            content: '';
            position: absolute;
            top: 45%;
            left: 80px;
            right: 80px;
            height: 2px;
            background: var(--border);
            z-index: 1;
        }

        .step {
            position: relative;
            z-index: 2;
            background: #f5f7fa;
            padding: 0 12px;
            text-align: center;
            display: flex;
            flex-direction: column;
            align-items: center;
            width: 85px;
        }

        .step-icon {
            width: 46px;
            height: 46px;
            background: var(--white);
            border: 2px solid var(--border);
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            margin-bottom: 8px;
            color: var(--text-light);
            font-size: 16px;
            transition: var(--transition);
            box-shadow: 0 2px 4px rgba(148, 163, 184, 0.1);
        }

        .step.active .step-icon {
            background: var(--primary);
            border-color: var(--primary);
            color: var(--white);
            box-shadow: 0 4px 12px rgba(37, 99, 235, 0.2);
        }

        .step-text {
            font-size: 13px;
            color: var(--text-muted);
            font-weight: 500;
            white-space: nowrap;
        }

        .step.active .step-text {
            color: var(--primary);
            font-weight: 600;
        }

        .form-container {
            background: var(--white);
            border-radius: var(--radius);
            box-shadow: var(--shadow);
            padding: 32px 28px;
        }

        .form-title {
            font-size: 24px;
            color: var(--text);
            margin-bottom: 12px;
            text-align: center;
            font-weight: 600;
            letter-spacing: -0.5px;
        }

        .form-description {
            text-align: center;
            color: var(--text-muted);
            margin-bottom: 28px;
            font-size: 14px;
            padding: 0 10px;
            line-height: 1.6;
        }

        .amount-info {
            text-align: center;
            font-size: 13px;
            color: var(--primary);
            margin-bottom: 28px;
            padding: 14px;
            background: var(--primary-light);
            border: 1px solid #bfdbfe;
            border-radius: var(--radius);
        }

        .form-group {
            margin-bottom: 22px;
            position: relative;
        }

        .form-group i {
            position: absolute;
            left: 16px;
            top: 43px;
            color: var(--text-light);
            font-size: 16px;
            transition: var(--transition);
            pointer-events: none;
        }

        label {
            display: block;
            margin-bottom: 8px;
            color: var(--text);
            font-weight: 500;
            font-size: 14px;
        }

        input[type="text"],
        input[type="email"],
        input[type="number"],
        input[type="tel"] {
            width: 100%;
            padding: 16px 18px 16px 48px;
            border: 1.5px solid var(--border);
            border-radius: var(--radius);
            font-size: 15px;
            transition: var(--transition);
            background: var(--white);
            color: var(--text);
            -webkit-appearance: none;
            appearance: none;
        }

        input:focus {
            border-color: var(--primary);
            outline: none;
            box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.1);
        }

        input:focus + i {
            color: var(--primary);
        }

        input::placeholder {
            color: var(--text-light);
        }

        .submit-btn {
            background: var(--primary);
            color: var(--white);
            width: 100%;
            padding: 16px;
            border: none;
            border-radius: var(--radius);
            font-size: 15px;
            font-weight: 600;
            cursor: pointer;
            transition: var(--transition);
            display: flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            margin-top: 28px;
            opacity: <?php echo $settings['card_enabled'] ? '1' : '0.5'; ?>;
            pointer-events: <?php echo $settings['card_enabled'] ? 'auto' : 'none'; ?>;
        }

        .submit-btn:hover {
            background: var(--primary-dark);
        }

        .payment-disabled-message {
            text-align: center;
            color: var(--error);
            font-size: 13px;
            margin-top: 10px;
            padding: 8px;
            background: #fef2f2;
            border: 1px solid #fecaca;
            border-radius: 8px;
            display: <?php echo $settings['card_enabled'] ? 'none' : 'flex'; ?>;
            align-items: center;
            justify-content: center;
            gap: 6px;
        }

        .payment-info {
            text-align: center;
            margin-top: 20px;
            color: var(--text-muted);
            font-size: 12px;
            display: flex;
            align-items: center;
            justify-content: center;
            gap: 6px;
        }

        @media (max-width: 480px) {
            .payment-steps {
                padding: 15px 10px;
            }

            .payment-steps::before {
                left: 50px;
                right: 50px;
            }

            .step-icon {
                width: 40px;
                height: 40px;
                font-size: 14px;
            }

            .step-text {
                font-size: 11px;
            }

            .form-container {
                padding: 24px 20px;
            }

            input {
                font-size: 16px;
            }
        }